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.
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.
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.
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.
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.
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.
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.
NewPreconstruction 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.
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.
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.
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.
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.
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.
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.
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.
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.
6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & Analy The Fountain Group LLC6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & AnalyHazelwood, MOIn this role, you will design and develop electrical systems supporting maintenance equipment, including interfaces between aircraft subsystems, network infrastructure, computing hardware, and instrumentation systems. We are seeking an experienced System Design Electrical Engineer to support the development, integration, testing, and sustainment of advanced maintenance computing systems used throughout the lifecycle of aerospace platforms and weapon systems.
R -6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & Analysis SearchProsR -6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & AnalysisHazelwood, MO$60–$70.55 / hourUtilize Model-Based Systems Engineering (MBSE) tools such as DOORS, Cameo, and mathematical modeling and simulation to develop system definitions/architectures and perform trade studies (includes integration with interfacing engineering disciplines model based design tool sets). " 3+ years familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design between electrical system and platform, electrical hardware/software integration, coordination with vendors for part selection, and general test experience to do hardware/software testing of the system in a lab.
NewDesign and Analysis Engineer (Electronic Sys Design & Analy) BoeingDesign and Analysis Engineer (Electronic Sys Design & Analy)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. You will be joining a fast-paced Phantom Works program where you will be responsible for developing and integrating complex, highly integrated, Communications Systems, Navigation, and Core Systems.
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.
Mechanical Design Engineer The Korte CoMechanical Design EngineerSt. Louis, MOGROWTH OPPORTUNITIES This role is part of the Mechanical Management Career Path, and team members benefit from a structured Professional Development Plan (PDP) designed to support career growth. This is an excellent opportunity for an early career Mechanical professional looking to grow into a future Mechanical Design Manager role within a collaborative, nationwide design-build firm.
Electrical Engineer - Distribution Design Hanson Professional Services IncElectrical Engineer - Distribution DesignSt. Louis, MO$147,000–$175,000 / yearThe successful candidate will bring technical depth, leadership capability, and hands-on experience supporting transmission and distribution (T&D) utilities, municipal power providers, or utility engineering consultants. This senior-level role is ideal for a Professional Engineer with strong experience in utility distribution systems, including overhead and underground distribution, system upgrades, reliability improvements, and customer-driven projects.
Electrical Engineer - Substation Design Hanson Professional Services IncElectrical Engineer - Substation DesignSt. Louis, MO$147,000–$175,000 / yearThis senior-level role is ideal for a licensed Professional Engineer with extensive experience in high-voltage substations, including physical layout, protection and control coordination, and interdisciplinary design integration. Hanson Professional Services Inc. is seeking an experienced Electrical Engineer specializing in Substation Design to support power delivery projects for utility, municipal, and industrial clients.
Electronic System Design & Analysis Engineer Apollo Professional Solutions IncElectronic System Design & Analysis EngineerHazelwood, MOUtilize Model-Based Systems Engineering (MBSE) tools such as DOORS, Cameo, and mathematical modeling and simulation to develop system definitions/architectures and perform trade studies (includes integration with interfacing engineering disciplines model based design tool sets). 3+ years familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design between electrical system and platform, electrical hardware/software integration, coordination with vendors for part selection, and general test experience to do hardware/software testing of the system in a lab.
Electrical Engineer, Roadway Lighting Design (ENG Electrical Engineer 3) Atlas Technical Consultants IncElectrical Engineer, Roadway Lighting Design (ENG Electrical Engineer 3)MOTechnical Requirements: • Certifications/Licenses: PE (preferred, but is not required) • Technical specifications and report writing • Strong oral and written communication skills with the ability to maintain detailed project tracking and cost reports • Experience with MicroStation, EXCEL, WORD and AGi32 software • 5. Minimum Requirements: • BS degree in Electrical Engineering • 5+ years of experience in electrical/lighting engineering design • The ability to work as part of a team and independently manage tasks efficiently and effectively while meeting project deadlines and staying within budget.
Design & Analysis Engineer 3 The Structures Company, LLCDesign & Analysis Engineer 3Hazelwood, MO3+ years of familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design, hardware or software integration, and general test experience. Bachelor of Science degree in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science.
Senior Transportation Engineer - Highway Design Lead EFK MoenSenior Transportation Engineer - Highway Design LeadFairview Heights, IL$120,000–$150,000 / yearFull timeSufficient mobility to move to various locations in and out of the office to use various office equipment, coordinate with other staff, visit other EFK Moen and client offices/meeting locations. By combining the latest technology with diverse experience, we consistently deliver cost-effective, value-engineered solutions that reduce construction costs and improve long-term maintenance.
Design and Analysis Engineer 3 StratAcuity Staffing Partners IncDesign and Analysis Engineer 3Hazelwood, MO$55–$60 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Education: A Bachelor of Science degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science is required.
Civil Engineer - Site Design OlssonCivil Engineer - Site DesignSt. Louis, MOAs Civil Engineer on our Site Design team, you will provide basic project design through CAD drafting, instruct drafters on how to create drawings of designs, and prepare project schedules. Pursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the "CCPA"), this notice explains Olsson's practices regarding the collection, use, and disclosure of personal information for job applicants residing in California.
Design Engineer GpacDesign EngineerSt Louis, MO160000–225000We are seeking a Design Engineer working in the heavy, civil construction industry (Bridges, Locks and dams…i.e. no buildings) and ideally one who focuses on temporary works – things we build onsite as part of our construction methods for building the permanent structure. A design engineer collaborates with third party designers, our construction team, and other stakeholders to create designs which provide our team with a competitive advantage while ensuring safe construction methods and a project delivered timely and within budget.
Design and Analysis Engineer 4 - Electronic Systems The Structures Company, LLCDesign and Analysis Engineer 4 - Electronic SystemsHazelwood, MOBachelor’s degree with 9+ years, Master’s with 7+ years, or PhD with 4+ years of experience from an accredited program in Engineering, Computer Science, Mathematics, Physics, or Chemistry. As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries.
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.
Electronic Systems Design, Analysis, and Test Engineer StratAcuity Staffing Partners IncElectronic Systems Design, Analysis, and Test EngineerMO$55–$64 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Experienced Substation Design Engineer WSP Global IncExperienced Substation Design EngineerMOWork as an individual or as part of a cross-functional team of engineers, planners, scientific, and construction professionals to execute project work, assist with laying out installations, calculating costs and quantities of material/equipment/labor, and ensuring project work conforms with specifications, permit applications, compliance documentation, and regulatory and technical analysis memos. Assist with the research, design, concept development, and construction of transmission and distribution substations, power distribution, power regulation, renewable energy, as well as protection and control systems in a wide variety of contexts (utilities, transportation, building, and Federal, State, and local government projects).
Structural Design Engineer (Civil/Truss) Illinois Tool Works IncStructural Design Engineer (Civil/Truss)MOWhy This Role Matters: This Structural Design Engineer role is essential because it sits at the intersection of engineering precision, construction efficiency, and customer success-directly impacting how safely and effectively buildings are designed and constructed. As a Structural Design Engineer at Alpine, you help translate complex engineering principles into practical, buildable solutions that optimize material use, improve productivity, and ensure structural integrity.
Tool design Engineer O'Fallon CastingTool design EngineerO'Fallon, MOFull timeOur team produces world-class aluminum investment castings using best in class equipment, advanced processes all with a commitment to safety, quality, and innovation. Analyze drawings and solid models of aerospace parts to determine the tooling required to produce patterns for investment casting.
6B1BI3-Design and Analysis Engineer 3 Lancesoft6B1BI3-Design and Analysis Engineer 3Hazelwood, MO$63.94Utilize Model-Based Systems Engineering (MBSE) tools such as DOORS, Cameo, and mathematical modeling and simulation to develop system definitions/architectures and perform trade studies (includes integration with interfacing engineering disciplines model based design tool sets). •3+ years familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design between electrical system and platform, electrical hardware/software integration, coordination with vendors for part selection, and general test experience to do hardware/software testing of the system in a lab.
Software Test Engineer - Payments Yantran LLCSoftware Test Engineer - PaymentsOFALLON, MOThe ideal candidate will have extensive experience in Java 8, Spring framework, and Kafka, and will be responsible for designing, developing, and maintaining robust backend systems that support our innovative payment solutions. Job Summary: We are seeking a skilled Software test Engineer with Payment Background with a strong background in software development to join our dynamic team.
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 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.
Thermoforming Tool Design Engineer Sinclair and Rush Inc.Thermoforming Tool Design EngineerArnold, MOFull timeThis role works closely with production, engineering, and machining teams to design and develop tooling that supports efficient, high-quality manufacturing. Sinclair & Rush is a global manufacturer of plastic, rubber, and foam products, serving a wide range of industries.
Design and Analysis Engineer 3 LanceSoft IncDesign and Analysis Engineer 3Berkeley, MO$63.94–$73.07 / hourAt Electrical Engineers develop and test electronic and electrical system requirements using analytical and technical skills, translate requirements into system architectures and modify hardware and software designs for aircraft, unmanned vehicles and much more. Precision Engagement Systems (PES) including Direct Attack weapons (JDAM, SDB, MOP, HAAWC and associated derivatives) and Cruise Missiles (SLAM ER, Harpoon and development weapons).
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.
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.
Design Engineer - Transmission Line Quanta Infrastructure Solutions Group, LLCDesign Engineer - Transmission LineSt Louis, MissouriFull timeThe QISG team brings together Engineering, Safety, Quality, Material Procurement, QA/QC, Right-of-Way Acquisition, Scheduling, Environmental Planning, Permitting, Title and Land Management expertise that ensure outstanding results for our clients. This includes PLS-CADD modeling, line routing, structure analysis and loading trees, developing design criteria, sag-tension calculations, wire blowout, swing angle, damper.
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 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.
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.