Lead Software Engineer - #26-17214 US Tech Solutions, Inc.Lead Software Engineer - #26-17214O Fallon, MOThis 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. About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions.
NewSenior Level Software Developer DCS CorporationSenior Level Software DeveloperSt. Louis, MOOr, 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.
Software Development Engineer II - CI/CD & Platform Automation Engineer (DevOps) EsriSoftware Development Engineer II - CI/CD & Platform Automation Engineer (DevOps)St. Louis, MO$97,240–$162,240 / yearDesign, implement, and maintain high-speed CI/CD pipelines using GitHub Actions/Azure DevOps for cloud-native workflows and Jenkins for complex, cross-platform on-premises build automation. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Software Development Engineer II - Back End EsriSoftware Development Engineer II - Back EndSt. Louis, MO$97,240–$162,240 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, youll be exposed to the full development lifecycle and cutting-edge GIS solutions.
Exploitation Specialist/GDAT Software Engineer LeidosExploitation Specialist/GDAT Software EngineerSaint Louis, MO$73,450–$132,775If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. January 13, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Sr. Mechanical Engineer P.E. JobotSr. Mechanical Engineer P.E.St. Louis, MO$125,000–$155,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Represent the Firm in Client Meeting; Supervise Projects from Concept through Completion; Serve as the Technical Lead Delegating work and Mentoring Staff; Provide Design Review and QA/QC.
NewProject Engineer JobotProject EngineerSt. Louis, MO$60,000–$85,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
PCB Layout Engineer JobotPCB Layout EngineerHazelwood, MO$90,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Preconstruction Engineer JobotPreconstruction EngineerSt. Louis, MO$80,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With deep roots in the Midwest construction community, we focus on building long-term partnerships—with clients, subcontractors, and our employees.
NewMechanical Service Engineer JobotMechanical Service EngineerFenton, MO$67,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Installation & Commissioning: Install and commission press systems at customer sites, ensuring proper operation and compliance with specifications.
NewControls Service Engineer JobotControls Service EngineerFenton, MO$67,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Retrofits & Upgrades: Assist in modernizing hydraulic press controls, upgrading outdated PLCs, HMIs, motion controllers, and hydraulic servo systems for improved performance and automation.
IT GoLang Developer / Data Engineer- #26-17359 US Tech Solutions, Inc.IT GoLang Developer / Data Engineer- #26-17359St Louis, MOWe approach agriculture holistically, looking across a broad range of solutions from using biotechnology and plant breeding to produce the best possible seeds, to advanced predictive and prescriptive analytics designed to select the best possible crop system for every acre. We need great people to help transform these complex scientific datasets into innovative software that is deployed across the pipeline, accelerating the pace and quality of all crop system development decisions to unbelievable levels.
AI-Application Security Engineer StifelAI-Application Security EngineerSaint Louis, MOThe role requires strong hands-on technical depth in secure software development, application security testing, vulnerability management, and emerging AI security risks, including prompt injection, model abuse, insecure integrations, and data leakage. Implement, integrate, tune, and scale security tooling across application and AI environments, including runtime monitoring, governance controls, testing platforms, and posture management capabilities, with a focus on coverage, signal quality, and operational effectiveness.
NewInformation Systems Security Engineer (ISSE) with DoD Clearance - mid-level VETS, IncInformation Systems Security Engineer (ISSE) with DoD Clearance - mid-levelScott Air Force Base, ILDCWF Intermediate tier certification — one of: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP-A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+. VETS, Inc., is looking to add a mid-level (3-5 year’s experience) Information Systems Security Engineer (ISSE) to our growing team at Scott AFB, IL.
Sr. Site Reliability Engineer - AWS Geospatial Technology EsriSr. Site Reliability Engineer - AWS Geospatial TechnologySt. Louis, MO$84,240–$142,480 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.
NewPlatform Engineer Kforce Inc.Platform EngineerSaint Louis, MO$55–$65Observability & Reliability Practices: Experience with reliability practices, including Metrics, logs, traces, alerting, dashboards, and service health monitoring; Incident response, root cause analysis, corrective action tracking, and runbooks; SLOs, SLIs, production readiness, resilience, and reliability improvement. Use approved AI-assisted engineering tools such as GitHub Copilot and OpenAI Codex responsibly in day-to-day delivery, and share practical patterns that accelerate reliability improvements, troubleshooting, documentation, and automation.
System Engineer - ArcGIS EsriSystem Engineer - ArcGISSt. Louis, MO$120,640–$197,600 / yearDeploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Sr. System Engineer - ArcGIS EsriSr. System Engineer - ArcGISSt. Louis, MO$156,000–$239,200 / yearDeploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Engineer IV, Client Products and Services Portfolio Edward Jones InvestmentsEngineer IV, Client Products and Services PortfolioSaint Louis, MOProvide guidance, training and mentorship to other associates, including performing code peer reviews, suggesting best practices and following SDLC processesTeam Overview: As an Engineer IV in the Client Products and Services Portfolio, this exciting opportunity will be responsible for applying business and technical knowledge to enhance, modernize and provide quality solutions for our Internal and External Transfers systems. Team Overview: As an Engineer IV in the Client Products and Services Portfolio, this exciting opportunity will be responsible for applying business and technical knowledge to enhance, modernize and provide quality solutions for our Internal and External Transfers systems.
System Engineer - Cyber Security Engineering Focus EsriSystem Engineer - Cyber Security Engineering FocusSt. Louis, MO$120,640–$197,600 / yearYoull work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
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 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 Developer III - Distributed Engineering Workstation Power Flow Software Affinegy Inc. (Inactive)Software Developer III - Distributed Engineering Workstation Power Flow SoftwareILThey maintain cutting edge algorithms for power flow in electrical systems used by electrical and power system engineers to assess their electrical grid''s status and plan future load needs to support renewable energy technology like solar and electric vehicles. Our Members have over 18 million end customers (residential and businesses who receive power, internet, television and/or telephone services) that our enterprise software solution enables our Members to compete effectively in the industry, while excelling in customer service.
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.
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 C# H&R Block IncSenior Software Engineer C#MORemote$101,200–$161,900 / yearThis is a hands-on technical leadership role requiring deep engineering expertise, strong architectural judgment, and the ability to mentor and influence others while delivering high-impact solutions. Our Data Platforms team is building scalable, secure, and intelligent infrastructure to support advanced analytics, real-time insights, and seamless data integration.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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 III Agile DefenseSoftware Engineer IIISt Louis, MissouriRequisition #: 1520 Job Tittle: Software Engineer III Location: St. Louis, MO Clearance: Secret Required Certification: CompTIA Security+ certification or a degree in Computer Science Job Description. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Software Engineer/Data Science Librarian Leidos Holdings IncSoftware Engineer/Data Science LibrarianArnold, MO$107,900–$195,050 / yearLeidos is seeking a Software Engineer / Data Science Librarian to manage and optimize databases supporting GEOINT product dissemination and to process expurgation requests for distributing discrete geospatial product packages to internal and foreign partners. This position requires a highly collaborative professional capable of working across multiple offices, maintaining and enhancing ingest and validation scripts, and supporting end‑to‑end software operations related to GEOINT product dissemination.
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.
NewSenior Software Engineer Ascensus LLCSenior Software EngineerMOAscensus 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.
Backend Software Engineer Leidos Holdings IncBackend Software EngineerSt. Louis, MO$107,900–$195,050 / yearIf you've spent the last few years building your expertise in backend engineering, Java or Python development, and mission‑driven systems, and you're ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want real impact. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
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.