Sr Software Engineer Envision, LLCSr Software EngineerMOSenior Software Engineer is a technical leader responsible for architecting, developing, and delivering innovative software solutions that supports long-term vision of becoming a technology-first provider of insurance industry services. As a key contributor, the Senior Software Engineer not only builds high-impact solutions but also mentors team members, influences architectural decisions, and drives engineering best practices.
Senior Software Engineer MasterCardSenior 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.
Sr. Software Engineer Expert In Recruitment SolutionsSr. Software EngineerO Fallon, MOExperience with web services (SOAP/RESTful), servers (WebSphere, JBoss, Tomcat), HTML, JavaScript, jQuery, React or Angular, and IDEs such as Microsoft Visual Studio or Eclipse is a plus. You will work directly with senior engineers, architects, and product managers to deliver features that make the platform faster, more reliable, and more cost-efficient to run.
Sr. Software Engineer - Mastercard Shiftcode Analytics, IncSr. Software Engineer - MastercardSt louis, MOExperience with web services (SOAP/RESTful), servers (WebSphere, JBoss, Tomcat), HTML, JavaScript, jQuery, React or Angular, and IDEs such as Microsoft Visual Studio or Eclipse is a plus. You will work directly with senior engineers, architects, and product managers to deliver features that make the platform faster, more reliable, and more cost-efficient to run.
Software Architect Abode Techzone LLCSoftware ArchitectSt. Louis, MOThis role focuses on designing and guiding the implementation of scalable, secure, and modern software architectures. The position involves close collaboration with cross-functional teams to translate business and technical requirements into robust system solutions.
Cloud/Software Architect - 100% Remote Opportunity SercoCloud/Software Architect - 100% Remote OpportunitySt Thomas, VIRemoteSerco manages all aspects of the Software Delivery Life Cycle (SDLC) for the NexGen IT program including requirements definition, development, testing, upgrades, enhancements, and troubleshooting and supports all infrastructure for the installations. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations.
Senior Software Engineer-Oracle EPM AmerenSenior Software Engineer-Oracle EPMSaint Louis, Missouri$105,100–$204,400 / yearAssists 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.
Datacenter System Software Architect SiFiveDatacenter System Software ArchitectNevada, MO$231,444–$282,876 / yearSiFive's unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. Any offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.
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.
Sr. Engineer, Software Verint Systems, Inc.Sr. Engineer, SoftwareJefferson City, MOThe Senior Software Engineer works closely with a global team of engineers to build robust solutions that meet our business objectives following continuous integration and continuous deployment processes, while supporting software and associate software engineers. Subject to their specialization, this Senior Software Engineer leads the design, development, testing, publishing, and/or support of different cloud-based products and solutions and serves as subject matter expertise for customer implementation and cloud platform support.
Software Architect ( Full-Time ) St. Louis, MO - DK Central Business SolutionsSoftware Architect ( Full-Time ) St. Louis, MO - DKSaint Louis, MissouriThis role focuses on designing and guiding the implementation of scalable, secure, and modern software architectures. The position involves close collaboration with cross-functional teams to translate business and technical requirements into robust system solutions.
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.
NewSenior Software Engineer, Windows/Desktop Applications - St. Louis, MO, USA SpeechifySenior Software Engineer, Windows/Desktop Applications - St. Louis, MO, USASt. Louis, MOThese include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
Sr. Software Engineer (Data & Application Engineer) US BankSr. Software Engineer (Data & Application Engineer)Earth City, MO$111,605–$131,300 / yearIn addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures. Strong problem-solving, communication, collaboration, and ownership mindset, with a focus on quality, continuous improvement, delivery excellence, and business impact.
AI ML Software Architect - Hybrid Perceptive Recruiting, LLCAI ML Software Architect - HybridBridgeton, MORemoteThis role blends deep expertise in artificial intelligence with architectural leadership in software systems, driving innovation, scalability, and excellence in engineering practices. The Principal Artificial Intelligence (AI) Software Architect leads the design, development, and deployment of advanced AI and software engineering solutions across the enterprise.
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.
Software Engineer–Developer, Phantom Works Weapons (Experienced or Senior) BoeingSoftware Engineer–Developer, Phantom Works Weapons (Experienced or Senior)Saint Charles, Missouri$126,650–$171,350 / yearExperienced 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.
Sr. Software Engineer : Mastercard Shiftcode Analytics, IncSr. Software Engineer : MastercardO Fallon, MO$60–$65 / hourResponsible for identifying and resolving end-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components, and hybrid cloud environments (private cloud + AWS). Ideal candidates have extensive experience with high-scale, multi-region, and high-transaction platforms (e.g., financial systems, payment processing, or large enterprise SaaS) running in a Cloud environment.
NewSenior Software Engineer LRSSenior Software EngineerSt. Louis, MO$60–$70 / hourLRS Consulting Services is seeking a Senior Software Engineer who enjoys solving complex technical challenges, building modern cloud-based solutions, and making a meaningful impact through innovation and collaboration. This contract-to-hire opportunity offers the chance to design, develop, and support enterprise applications using the Microsoft technology stack while helping shape scalable, secure, and reliable solutions in a cloud-first environment.
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.