Senior Level Software Developer DCS CorpSenior Level Software DeveloperSt. Louis, MissouriOr, a Bachelor of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information Systems or equivalent technical degree and a minimum of 10 years of experience in full stack development to include Java, Web services, Database, and micro-service development software, engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work. These may include, but are not limited to: Tools - Boundless Spatial suite, Remote View, PostGRES/PostGIS, Oracle Spatial and/or other geospatial databases, ArcGIS Desktop, ArcGIS Server, Image Server, and File Geodatabases.
Senior DevOps Engineer LeidosSenior DevOps EngineerChesterfield, MO$107,900–$195,050The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.
Software Engineer Design System Jack Henry & Associates IncSoftware Engineer Design SystemMonett, MORemoteDesigner/Developer Experience (DX): Design predictable and robust APIs, write clear documentation, create component playground environments, and provide support to product teams adopting the system. Strong attention to detail and able to create pixel accurate code from Figma design specs, execute integration tests, visual tests, and unit tests to produce consistent and bug free assets.
Software Engineer III Jack Henry & Associates IncSoftware Engineer IIIMORemote$78,400–$123,450 / yearThis team is about to embark on building the next generation of our Teller product-a cloud-first solution with responsive web design and microservices architecture. Learning and understanding the Teller product with the goal of serving as a subject matter expert for the product and its functions both for individuals inside and outside of the team.
Software Engineer Reinventing Geospatial, Inc. (RGi)Software EngineerSt. Louis, MORGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. A strong working knowledge of: AWS, Azure, or similar cloud platforms, MySQL, PostgreSQL, or SQL Server.
Software Engineer II Jack Henry & Associates IncSoftware Engineer IISpringfield, MO$60,000–$77,000 / yearEnsures timely, effective, and quality delivery of software into production works with QA team to ensure timely delivery of high-quality products. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.
Staff Software Engineer Jack Henry & Associates IncStaff Software EngineerMOThis position may be working remotely, but you must reside within 70 miles of one of our office locations in Allen, TX; Birmingham, AL; Cedar Falls, IA; Charlotte, NC; Lenexa, KS; Louisville, KY; Monett, MO; Springfield, MO. Conducts & may lead system analysis and programming activities which may require research and timely, effective, and quality delivery of software into production.
Senior Software Engineer Jack Henry & Associates IncSenior Software EngineerMOWhat you'll be responsible for: Performs and may lead system analysis and programming activities which may require research and timely, effective, and quality delivery of software into production. This position may be working remotely, but you must reside within 70 miles of one of our office locations in Allen, TX; Birmingham, AL; Cedar Falls, IA; Charlotte, NC; Lenexa, KS; Louisville, KY; Monett, MO; Springfield, MO.
Senior Solutions Software Engineer The Opportunity Hub UKSenior Solutions Software EngineerMissouri, MO£70,000–£100,000 / yearBuilt around their groundbreaking operating system that delivers mathematically-proven security, they're revolutionising how we protect critical national infrastructure, industrial control systems, defence networks, healthcare devices, and AI infrastructure. Deep passion for secure systems design, implementation, testing, and real-world deployment Outstanding collaboration and communication skills for international, multi-disciplinary teamwork.
Sr. Software Engineer Yantran LLCSr. Software EngineerOFALLON, MOThe ideal candidate will have 5 7 years of experience in software development, demonstrating a solid understanding of Java programming and its applications in building robust, scalable software solutions. This role requires a proactive individual who can work collaboratively in a fast paced environment and contribute to the development of high quality software products.
Mid-Level Software Engineer Leidos Holdings IncMid-Level Software EngineerSt. Louis, MO$87,100–$157,450 / yearIf you're passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.
Software Engineer-Developer 3 (Development) LancesoftSoftware Engineer-Developer 3 (Development)Maryland Heights, MO$60Preferred Qualifications (Desired Skills/Experience): •Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members.
6J7DI2 (6J1)-Software Engineer-Developer 2 (Development) Lancesoft6J7DI2 (6J1)-Software Engineer-Developer 2 (Development)Maryland Heights, MORemotePreferred Qualifications (Desired Skills/Experience): Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 2+ years of related work experience OR Bachelor s Degree and 6+ years of directly related work experience OR 10+ years of related, relevant experience. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members.
Lead Software Engineer Reply SpALead Software EngineerKansas City, MOReply is a network of highly specialized companies supporting global industrial groups operating in the telecom and media, industry and services, banking, insurance and public administration sectors in the definition and development of business models enabled for the new paradigms of AI, cloud computing, digital media and the Internet of Things. Valorem Reply is an award-winning digital transformation firm focused on delivering solutions around data-driven enterprise, IT modernization, customer experience, product transformation and digital workplace by leveraging the power of Microsoft technologies.
C#.net Software Engineer - Mid-Level Perceptive RecruitingC#.net Software Engineer - Mid-LevelSt. Louis, MO3-5 years of hands-on experience with relational database technology, preferably Microsoft SQL Server. Perceptive Recruiting, LLC , headquartered in Greenville, SC, has 27+ years of technology recruitment experience.
Software Engineer - Unifier and OPPM Envision, LLCSoftware Engineer - Unifier and OPPMSt. Louis, MOWorks closely with business analysts to gain understanding of basic requirements and translates into one or more API-led connectivity solutions (integrations, interfaces, proxies, objects, shared code library, etc.); reviews options to identify best solution and provides design for selected solution. Understands and is familiar with relevant technologies in order to design, develop, document, and support simple to moderately complex integration solutions utilizing design patterns, reference architectures and best practices.
Senior Software Engineer - Small Business Technologies H&R Block IncSenior Software Engineer - Small Business TechnologiesMO$101,200–$161,900 / yearLeverage AI-assisted and agentic development workflows to increase engineering productivity, code quality, testing coverage, and knowledge sharing. Leveraging AI-assisted development tools and agentic engineering workflows to improve productivity, testing, code quality, and documentation.
Senior Software Engineer Eastman Chemical CoSenior Software EngineerSt. Louis, MOThe company's innovation-driven growth model takes advantage of world-class technology platforms, deep customer engagement, and differentiated application development to grow its leading positions in attractive end markets such as transportation, building and construction, and consumables. This role is primarily focused on full-stack software engineering, with additional responsibility for improving the observability, stability, and operational excellence of our platforms in cloud environments.
NewJava Software Engineer TriCom Technical Services LLCJava Software EngineerKansas City, MOThis remote role involves attending daily standups and working independently and collaboratively as needed. Our client is seeking a Java Software Developer to join a team performing software development assignments.
Staff Software Engineer / Architect Java Modernization (AWS / Kubernetes) Yantran LLCStaff Software Engineer / Architect Java Modernization (AWS / Kubernetes)OFALLON, MOPosition Title: Staff Software Engineer / Architect – Java Modernization (AWS / Kubernetes). to lead the modernization of a largescale, mission critical Java platform.
NewSoftware Engineer II Primary Talent PartnersSoftware Engineer IIO Fallon, MO$60–$70 / hourThe Software Development Engineer is a hands-on developer specializing in Java development with a particular focus producing micro services that then integrate with other services to enable high throughput, low latency financial transaction processing. You have experience in building AI assisted application, autonomous and semi-autonomous agents and agentic workflow systems that coordinate multi-step tasks.
Lead C/C++ Software Engineer Shiftcode Analytics, IncLead C/C++ Software EngineerO Fallon, MO, MOFrom an interview perspective, the Hiring Manager provided some great feedback to what they are looking for in the interviews: Looking for someone that is eager to learn, lean into the conversation and will be conversational. Approach to getting feedback (this team leans into peer reviews and providing each other feedback/thoughts the candidate needs to be able to receive and apply the feedback).
Senior Software Engineer Mastercard IncSenior Software EngineerO'Fallon, MO$115,000–$184,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
*Software Engineer H&R Block*Software EngineerKANSAS CITY, MissouriFull timeNET services and SQL Server data models that support H&R Block’s Retail, DIY (Online), and Mobile tax preparation workflows, including writing and executing unit tests to validate workflow/business rules, data validations, and API behavior. Develop scalable full-stack features using Angular and TypeScript, which implement new customer-facing screens and UI + API integration, improve usability, validation, and secure data handling while maintaining platform stability across releases.
Lead Developer Platforms Software Engineer BoeingLead Developer Platforms Software EngineerBerkeley, MissouriBachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 14+ years of related work experience OR Bachelor’s Degree and 18+ years of directly related work experience OR 22+ years of related, relevant experience. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
Software Engineer (TS/SCI Clearance Required) North Point TechnologySoftware Engineer (TS/SCI Clearance Required)St. Louis, MODuties will include writing validation tests against existing baselines to ensure code integrity throughout Agile development efforts, assisting with unit testing, programming, and developing in Python, Java Spring, and other modern frameworks. The qualified candidate must have an active TS/SCI security clearance, and will help collect the sciences, technology, and tradecraft used to measure and model the globe, providing three-dimensional accuracy of every point in, on, or above the Earth.
Software Engineer Specialist CAE IncSoftware Engineer SpecialistMOSoftware Engineers support computational systems architecture and system software for real-time simulation applications; create new and modified simulation models using established modeling techniques; and work closely with other engineering disciplines. Who We Are: CAE Vision: Our vision is to be the worldwide partner of choice in defense and security, and civil aviation by revolutionizing our customers' training and critical operations with digitally immersive solutions to elevate safety, efficiency and readiness.
AI/ML Software Engineer GE Aerospace.AI/ML Software EngineerMORemote$95,000–$140,000 / yearThe work involves using AWS tools to design and build AI-driven systems - not just training or fine-tuning models, but also crafting effective prompts, validating model performance through data analysis, and managing risks like hallucinations or bias. Healthcare benefits include medical, dental, vision, and prescription drug coverage; access to a Health Coach from GE Aerospace; and the Employee Assistance Program, which provides 24/7 confidential assessment, counseling and referral services.
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required) North Point TechnologySoftware Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)St. Louis, MOThe ideal candidate has an excellent understanding of the full software development lifecycle and exceptional coding skills across front-end interfaces, backend services, and secure cloud integrations in support of the mission. The qualified candidate must have an active Top Secret/SCI security clearance and will design, develop, and deliver modern, cloud-native software solutions that enable national security missions.
Software Engineer Sr. Specialist American Century Investment Services IncSoftware Engineer Sr. SpecialistKansas City, MOYou will work closely with our Technical Leads, Product Owners, and Architects to identify and implement solutions that support the company's core investment management (portfolio management, trading, and compliance) operations. We're looking for an Investment Management Software Engineer Senior Specialist that is interested in software evolution and innovation within our Order, Trade, and Compliance (OTC) Technology Team.
Lead Software Engineer SS&C Technologies Holdings IncLead Software EngineerKansas City, MOThis role requires strong technical expertise, the ability to independently drive projects from concept to completion, and a focus on delivering high-quality, scalable, and maintainable systems. Unless explicitly requested or approached by SS&C Technologies, Inc. or any of its affiliated companies, the company will not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services.
6J7MI3 (6J9)-Software Engineer-Test & Verification 3 (Test & Verification) Lancesoft6J7MI3 (6J9)-Software Engineer-Test & Verification 3 (Test & Verification)Maryland Heights, MORemotePreferred Qualifications (Desired Skills/Experience): •Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members.
AI Software Engineer Lead Leidos Holdings IncAI Software Engineer LeadSt. Louis, MO$107,900–$195,050 / yearBasic Qualifications: Requires BS degree (Computer Science, Engineering or related field) and 10+ year's of prior relevant experience OR, MS with 7+ year's of prior relevant experience; OR 7 years of additional experience in lieu of degree. 7+ year's experience leading, designing and implementing distributed solutions and 5+ year's experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience.
Lead Software Engineer - Level 6 ICONMA, LLCLead Software Engineer - Level 6O Fallon, MO$89.67–$93.93 / hourThis job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge to drive achievement of area goals and initiatives by contributing to solution development and improvements for existing products, services, and/or processes. Guides and mentors junior team members through on-the-job experiences, reviewing work and fostering a culture of continuous improvement to grow expertise around their discipline.
NewSoftware Engineer II ICONMA, LLCSoftware Engineer IIO Fallon, MO$64.85–$67.93 / hourYou have experience in building AI assisted application, autonomous and semi-autonomous agents and agentic workflow systems that coordinate multi-step tasks. Research new frameworks and technologies, assist with prototyping and proof-of-concepts, participate in code reviews.
Senior Software Engineer Armanino McKenna LLPSenior Software EngineerMO$125,900–$148,100 / yearDevelop and maintain a secure, reliable, and scalable, and efficient platform spanning back-end persistence and compute, APIs, and web applications • Collaborate with cross-functional teams to design and implement software solutions that meet business requirements • Conduct code reviews and provide constructive feedback to ensure quality and adherence to best practices • Mentor and guide engineers, fostering technical growth and development • Participate in the full software development lifecycle, from requirements gathering through deployment and maintenance • Troubleshoot and resolve complex technical issues • Drive continuous improvement of development processes, tools, and engineering practices. Experience with GraphQL Knowledge of serverless architectures, event-driven systems, and microservices Familiarity with Infrastructure as Code (IaC), including AWS CDK Experience building agentic AI solutions Experience developing software for tax, accounting, or compliance-driven industries such as healthcare or finance Experience building multi-tenant SaaS applications Experience in a technical leadership role.
Software Engineer CACI International IncSoftware EngineerSt. Louis, MO$98,500–$206,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The Opportunity: Join a fast-paced Agile team developing mission-critical geospatial intelligence (GEOINT) applications supporting the National Geospatial-Intelligence Agency (NGA).
Software Engineer - Intermediate Equifax IncSoftware Engineer - IntermediateSt. Louis, MOAI-Augmented Developer: Proven track record of using generative AI tools to safely accelerate code generation, automate documentation, and optimize legacy refactoring while maintaining strict data security and code integrity guidelines. Cloud & Innovation Forward: Cloud-ready professional (GCP/AWS/Azure Certification preferred) with a passion for staying ahead of emerging tech trends and modernizing software delivery models.
Technical Lead Software Engineer (Java, React, Spring boot) Medica Health Plans IncTechnical Lead Software Engineer (Java, React, Spring boot)MO$100,300–$150,465 / yearThe IT Engineer IV will work with a team of developers and interact closely with business subject matter experts to design and build solutions that help Medica members, providers and brokers do business with us using our portals. This role is responsible for developing and supporting technology solutions to advance the Digital applications by using the latest technology, integrating with multiple data sources, and solving complex problems.
NewFlight Simulation Software Engineers (Associate, Experienced, and Senior) BoeingFlight Simulation Software Engineers (Associate, Experienced, and Senior)Berkeley, MissouriThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Selected candidates will be aligned to a statement of work that best suits their interests and skillset, some of which could include: Creating core simulation infrastructure to serve as a jumping-off point for programs developing flight simulation capabilities.
Senior Software Engineer-Oracle EPM AmerenSenior Software Engineer-Oracle EPMSaint Louis, MissouriAssists in performing root cause analysis and interprets the results; provides input into action plan (e.g., provides input into prioritization of offensive/customer-facing issues and defensive/internally focused backlogs). Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologies and development methodologies.
BackEnd Software Engineer (Experienced or Senior) BoeingBackEnd Software Engineer (Experienced or Senior)Berkeley, MissouriExperienced Level : Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. Senior Level: Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9+ years of related work experience OR Bachelor’s Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience.
Lead Software Engineer Mastercard IncLead Software EngineerO'Fallon, MO$140,000–$231,000 / yearThe Developer Workbench brings together five core MSBX products - BuildersHub, DevFlow, TestFlow, DevInsights, and Cloud DevEx - alongside cross-cutting tools including GitHub Copilot, Claude Code, and Docker Desktop. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and.
Senior Software Engineer Quantitative Developer, Information Technology NISA Investment Advisors LLCSenior Software Engineer Quantitative Developer, Information TechnologySt. Louis, MOWorking closely with portfolio analysts, traders, and quant researchers, you will develop the tooling behind feature engineering frameworks, backtesting infrastructure, and model deployment - enabling the research team to move faster and with greater confidence. As a senior member of the Investment Risk and Analytics team within NISA's IT department, you will lead development efforts, participate in design and code reviews, collaborate with other teams, and mentor junior teammates.
Senior Software Engineer- Quantitative Developer, Information Technology NISA Investment Advisors, LLCSenior Software Engineer- Quantitative Developer, Information TechnologySt. Louis, MissouriWith $482 billion assets under management ($299 billion in physical assets and $184 billion in derivatives notional value), NISA actively manages risk for institutional investors, providing clarity to complicated challenges and stability in ever-evolving markets. Working closely with portfolio analysts, traders, and quant researchers, you will develop the tooling behind feature engineering frameworks, backtesting infrastructure, and model deployment - enabling the research team to move faster and with greater confidence.
Sr Software Engineer (remote) Hallmark Cards IncSr Software Engineer (remote)Kansas City, MORemoteEngage in self-directed learning, attend training sessions, and actively participate in professional development activities to enhance skills and stay ahead in a rapidly evolving industry. Employment by Hallmark is contingent upon the signing of the Employment Agreement, signing of an agreement to arbitrate in connection with the Hallmark Dispute Resolution Program, completing Form I-9 Employment Eligibility Verification, passing the urinalysis drug screen, education verification and satisfactory reference and background checks.
Software Engineer–Developer, Phantom Works Weapons (Associate or Experienced) BoeingSoftware Engineer–Developer, Phantom Works Weapons (Associate or Experienced)Saint Charles, MissouriExperienced Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. Associate Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 2+ years of related work experience OR Bachelor’s Degree and 6+ years of directly related work experience OR 10+ years of related, relevant experience.
Software Engineer–Developer, Phantom Works Weapons (Experienced or Senior) BoeingSoftware Engineer–Developer, Phantom Works Weapons (Experienced or Senior)Saint Charles, MissouriExperienced Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. Senior Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9+ years of related work experience OR Bachelor’s Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience.
NewSenior Software Engineer Ascensus LLCSenior Software EngineerKansas City, MOAscensus is the leading independent technology and service platform powering savings plans across America, providing products and expertise that help nearly 16 million people save for a better today and tomorrow. As a Software Engineer in the Ascensus AI Program, you will help turn modern LLM capabilities into reliable, observable, production-grade software used by real business teams every day.
TriZetto/ TZ Software Engineer ApolisTriZetto/ TZ Software EngineerSt. Louis, MORemote$50–$55 / hourThe ideal candidate will support Medicare enrollment operations, develop and configure EAM solutions, build integrations with enterprise systems, and ensure reliable enrollment transaction processing. We are seeking an experienced Software Engineer with 12+ years of experience in TriZetto Elements EAM , FACETS , and .NET development.