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 CACI International IncSoftware EngineerSt. Louis, MO$82,100–$172,400 / 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).
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.
Software 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 EngineerSt. Louis, MO$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.
Senior Software Engineer Abode Techzone LLCSenior Software EngineerSt. Louis, MOThis role is ideal for a full-stack engineer who thrives in fast-paced technical environments, enjoys solving complex engineering challenges, and has experience building cloud-native applications with modern development practices. You will play a key role in designing new capabilities, enhancing existing systems, integrating external services, and collaborating with cross-functional teams to deliver secure and reliable solutions.
Senior Software Engineer-AI H&R Block IncSenior Software Engineer-AIMORemote$101,200–$161,900 / yearWith 70,000 associates and 9,000 retail tax locations across North America, Australia, Ireland, and India, we have helped millions of clients and countless communities. You will be joining an elite team of engineers charged with developing transformative GenAI capabilities to power the next generation of customer experiences.
Staff Software Engineer, Public Sector Scale AI IncStaff Software Engineer, Public SectorSt. Louis, MO$252,000–$362,000 / yearAs a Staff Software Engineer, you will orchestrate the implementation of vertical features and horizontal capabilities to include mentoring other engineers on defining requirements with stakeholders and communication tradeoffs of technical implementations on feature and capabilities until they are accepted by the stakeholders. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training.
C#, Xamarin, Maui Developer The Timberline GroupC#, Xamarin, Maui DeveloperSaint Louis, MissouriReview and approve work such as design, code, code walkthroughs, and test results for completeness and defect tracking for others such as less experienced Software Engineers. Maintains knowledge and skills in development and support of B2B web service, enterprise data exchange, and file transfer.
IT Manager - Software Engineering - Oracle Financial Systems The Timberline GroupIT Manager - Software Engineering - Oracle Financial SystemsSaint Louis, MissouriThe Manager, Software Engineering, will work on design, development and delivery of innovative solutions that drive value and productivity across the enterprise, solve unique and complex problems that have a broad impact on the business, and develop and execute technical software development strategy focusing on modern application architecture. Work closely with agile teams to prioritize the implementation of user stories while balancing the tradeoffs, ensuring continuous delivery of business value.
NewCloud Solutions Architect / Database Engineer / AI Platform Architect Bic# 1854Cloud Solutions Architect / Database Engineer / AI Platform ArchitectSaint Louis, MissouriThe ideal candidate will have hands-on experience building production AI applications using OpenAI, Azure OpenAI, Anthropic, Google AI, or comparable LLM technologies, including designing workflows that enable AI to execute complex business processes through structured instructions, examples, retrieval strategies, orchestration, and enterprise data integration. Design and implement AI workflow architectures that enable Large Language Models to perform complex business functions by defining process sequences, system instructions, prompt strategies, retrieval mechanisms, examples, evaluation methods, tool interactions, and orchestration workflows.
IT Endpoint Engineer Stifel Financial CorpIT Endpoint EngineerSaint Louis, MOStifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more. Create documentation for new procedures and manual steps to complete tasks for soft handoffs and cross-training of support personnel and implementation teams.
ITSM Platform Engineer II Stifel Financial CorpITSM Platform Engineer IISaint Louis, MOStifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more. The ITSM Platform Engineer II serves as the primary technical escalation point for ITSM Analysts, resolving complex platforms, integration, and data issues before engaging vendors.
System Integration Engineer - Project Senior Consultant Managed Services Deloitte Touche Tohmatsu LtdSystem Integration Engineer - Project Senior Consultant Managed ServicesSt. Louis, MO$91,100–$143,600 / yearThe wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and / or technical teams, including escalating any matters that require additional attention and consideration from engagement management.
Structural Analysis Engineer StratAcuity Staffing Partners IncStructural Analysis EngineerBerkeley, 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. Experience with industry CAD systems (e.g., PRO-E, SOLIDWORKS, AUTOCAD, NX/Teamcenter, CATIA/ENOVIA), FEM software (PATRAN/NASTRAN, Stresscheck, Hyperworks, Abaqus), and MS Office.
Experienced Flight Test Instrumentation Engineer StratAcuity Staffing Partners IncExperienced Flight Test Instrumentation EngineerMO$55–$75 / 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 in Engineering, Engineering Technology, Computer Science, Data Science, Mathematics, Physics, Chemistry or an equivalent qualification is required.
Data Engineer CbData EngineerSt. Louis, MissouriThe Data Engineer works within the Agile frameworks to support the team's data-driven approach to application migration, collaborating closely with other team members to ensure data integrity and accessibility throughout the transition to cloud environments. This position is responsible for creating efficient data pipelines, ensuring data quality, and implementing ETL (Extract, Transform, Load) processes to facilitate the seamless migration and deployment of data across systems.
Senior Software Engineer, Public Sector Scale AI IncSenior Software Engineer, Public SectorSt. Louis, MO$216,000–$311,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training. The Public Sector software engineers (SWEs) create the core product building blocks forward-deployed teams use to develop agentic capabilities that function across multiple domains.
Principal Software Engineer CVS Health CorpPrincipal Software EngineerMO$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.