Senior Software Engineer - St. Louis London Stock Exchange Group PlcSenior Software Engineer - St. LouisSt. Louis, MOOur problems are complex from building AI-powered analytics that are constantly evolving, to challenges that define modern finance, giving engineers the opportunity to stretch their craft and shape solutions that matter. With over 40,000 customers and 400,000 end users across approximately 190 markets, we are an essential partner to the global financial community and redefining the future of data in financial services.
Staff Software Engineer / Architect Echo IT Solutions, IncStaff Software Engineer / ArchitectSt. Louis, MOThis role is hands on and focused on rewriting and re architecting existing systems using modern Java, Spring Boot, and cloud native patterns on AWS. We are looking for a staff level software engineer / architect to lead the modernization of a largescale, mission critical Java platform.
Junior Software Engineer CACI International IncJunior Software EngineerSt. Louis, MO$69,100–$141,500 / 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).
Senior Software Engineer Equifax IncSenior Software EngineerSt. Louis, MOExperience designing and developing big data processing solutions using Dataflow/Apache Beam, Bigtable, BigQuery, PubSub, GCS, Composer/Airflow, and others. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you.
Senior Software Engineer Trinity Global ConsultingSenior Software EngineerSt. Louis, MODocument and demonstrating solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code. At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes: Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP.
Software Engineer (Full-Stack Web) (Remote) Computer Information ConceptsSoftware Engineer (Full-Stack Web) (Remote)St. Louis, MORemote$100,000–$140,000 / yearYou will work across a React and TypeScript frontend, C#/.NET APIs, and SQL Server data to understand business workflows, collaborate on design, implement the user experience and supporting APIs, test your work, and follow it into production. Success in this role means delivering reliable, maintainable features, collaborating effectively across product design and engineering, and developing a strong understanding of both the customer workflow and the technology supporting it.
Senior Software Engineer Armanino McKenna Certified Public Accountants & ConsultantsSenior Software EngineerSaint Louis, MO$125,900–$148,100 / yearArmanino LLP is a licensed independent CPA firm that provides attest services, and Armanino Advisory LLC and its subsidiary entities provide tax, advisory, and business consulting services. Any referrals, resumes, or candidates submitted to Armanino or any employee or owner of Armanino without a pre-existing agreement signed by both parties covering the submission will be considered the property of Armanino and not subject to any fees or charges.
Embedded Software Engineer Illinois Tool Works IncEmbedded Software EngineerMO$78,400–$130,000 / yearJob Description: Objective of role: The Embedded Software Engineer is responsible for the design, development, testing, and support of embedded software solutions for both existing and new products, including new hardware bring-up, low-level hardware/software integration, and support of microcontroller-based embedded systems. The ideal candidate is comfortable working close to the hardware and can efficiently diagnose and resolve low-level issues involving microcontrollers, memory, interfaces, sensors, and communication devices.
Software Engineer (Desktop.NET) (Remote) Computer Information ConceptsSoftware Engineer (Desktop.NET) (Remote)St. Louis, MORemote$100,000–$140,000 / yearSuccess in this role means taking ownership of product changes from diagnosis through release, improving reliability and maintainability, and making thoughtful modernization investments that reduce risk and improve the customer experience. Software Engineering owns product fixes, shared releases, and the long-term health of the codebase while Customer Engineering leads frontline customer support and implementation.
Senior Software Engineer (Modern .NET) (Remote) Computer Information ConceptsSenior Software Engineer (Modern .NET) (Remote)St. Louis, MORemote$120,000–$160,000 / yearSuccess in this role means taking ownership, making sound technical tradeoffs, and delivering reliable, maintainable software that the team can build on over time. You will work closely with platform, frontend, product, design, and domain experts to turn complex government workflows into reliable, maintainable software.
Engineering - Software Engineer AlineopsEngineering - Software Engineero'fallon, MOjs a plus but not required • Doctrine Entity Framework experience a plus • Written communication skills including ability to: format, proof-read, and edit • Professionalism, self-motivation, and confidentiality are essential • Detail-oriented with strong analytical and problem-solving skills • Ability to clearly communicate with co-workers • Occasional Travel may be requiredThis job description is intended as a summary of the primary responsibilities of and qualifications for this position. • Experience with Git version control • Familiar with Agile methodology • Amazon Web Services • Vagrant or Docker • jQuery • Less Bootstrap • CSS • HTML 5 • Linux Ubuntu servers • Familiar with C# and the.
Software Engineer/Data Science Librarian LeidosSoftware Engineer/Data Science LibrarianSaint Louis, Missouri$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 R&D Engineer - Backend Software Development Cardinal HealthSenior R&D Engineer - Backend Software DevelopmentHazelwood, Missouri$80,500–$103,410 / yearResearch and Development Engineering is responsible for developing and implementing new products through adherence to established design control processes and good engineering and documentation practices. Pay at Cardinal Health is determined by multiple factors including, but not limited to, a candidate's geographical location, relevant education, experience and skills and an evaluation of internal pay equity.
Software Development Engineer II- Back End EsriSoftware Development Engineer II- Back EndSaint Louis, MissouriFrom building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, you'll be exposed to the full development lifecycle and cutting-edge GIS solutions. In this position, you will build software leveraging Esri's products and APIs to build core backend services that solve complex problems at a global scale.
NewSoftware Development Engineer II – Back-End (Mission-Focused | ArcGIS) EsriSoftware Development Engineer II – Back-End (Mission-Focused | ArcGIS)Saint Louis, MissouriAs a Software Development Engineer II, you will design and develop scalable backend services and APIs that enable complex data processing, system integration, and real time analytics. Join Esri`s team and build backend systems that power mission critical geospatial applications supporting Defense and Intelligence operations.
Software Developer - Entry Level CGI IncSoftware Developer - Entry LevelSt. Louis, MO$68,000–$78,000 / yearHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
Software Developer | Military Veterans INflow FederalSoftware Developer | Military VeteransSt. Louis, MOUSMC (United States Marine Corps): 0600, 0631, 0633, 0639, 0651, 0639, 0681, 0699, 0630, 0605, 0601, 2800, 2813, 2847, 2862, 5900, 5939, 5948, 5970, 5974, 5993. As we progress, our focus remains steadfast on developing our people so they can lead our customers into the future of mission systems and operations, adeptly navigating the ever-evolving landscape of the Department of Defense with innovative solutions and strategic insights.
Senior Software Developer RapsodoSenior Software DeveloperSt. Louis, MOThe company currently collaborates with partners such as The PGA of America, Golf Digest, Troon, various Major League Baseball teams, USA Baseball, and over 1000 NCAA athletic departments. With its headquarters in Singapore and strategically placed offices across the United States, Turkey, Japan, and Malaysia, Rapsodo represents more than just sports technology and data analytics.
Engineering Manager - Software Engineering (Apparel eCommerce) LaunchCode FoundationEngineering Manager - Software Engineering (Apparel eCommerce)St. Louis, MOExperience with modern web technologies including JavaScript, Node.js, NET/C#, Java, PHP, HTML, CSS, REST APIs, microservices, message queues, and relational databases. Experience designing and delivering enterprise applications supporting eCommerce, ERP, CRM, Order Management, or similar business platforms.
Hybrid Data Integration Engineer (Junior or Senior) - Secret Clearance LaunchCode FoundationHybrid Data Integration Engineer (Junior or Senior) - Secret ClearanceSaint Louis, MO$60,000–$100,000 / yearThe team works closely with technical developers, source system owners, data engineering teams, finance stakeholders, and program management to ensure data moves accurately, securely, and reliably from source systems through transformation pipelines to downstream reporting platforms. Position Overview: Our partner is seeking Data Integration Engineers at the Junior and Senior levels to support enterprise data integration, financial systems, cloud data platforms, and modernization initiatives for Defense sector clients.