Software Engineer Jobs in Missouri, United States

Software Engineering Manager (Software Engineering Mgmt) at Boeing leads the MQ-25 Mission Management System Computer (MMSC) Operational Flight Program (OFP) Software team in Hazelwood, MO. The role oversees a software engineering team through the full development life cycle, building and maintaining relationships with internal and external stakeholders, and driving process improvements. Responsibilities include managing project and process plans, participating in Program Increment (PI) planning

Senior Software Engineer/Data Engineer at Mastercard will design and build secure, high‑performance data pipelines in a cloud‑native environment. Working with Java, Snowflake, Azure Data Factory, and CI/CD tools, the role focuses on ETL/ELT processes, data modeling, and real‑time analytics for merchants, issuers, and partners.

News Engineering at LSEG builds real‑time news delivery systems that power global information flow. As a senior software engineer, you will lead a scrum team to design, develop, and maintain high‑performance Java and Python services, focusing on low‑latency, observability, and cloud‑native deployment.

DPaAS team within Finance IT builds modern data platforms in AWS and Databricks to deliver reliable, production-ready data solutions. The role designs scalable pipelines, monitors performance, troubleshoots incidents, partners with stakeholders, and automates processes in a hybrid environment across Austin, Denver, St. Louis, Bloomington, Morris Plains, Plano, and Bloomfield, CT.

Mastercard seeks a Software Engineer II specializing in Kubernetes DevOps to join the Builders Enablement Program. The role focuses on day‑2 operations of a globally distributed Kubernetes platform, driving operational excellence, cost efficiency, and reliability.

Senior Software Engineer, Site Reliability Engineering at Mastercard. Lead release engineering, DevOps, and automation for Java-based platforms across AWS, Azure, on-prem VMs, and PCF. Design CI/CD pipelines, performance testing, monitoring, and scaling.

Real-Time Software Engineer, News Engineering at LSEG is responsible for evolving the real‑time news collection and distribution platform. The role targets mid‑level engineers who thrive as individual contributors and want to deepen expertise in real‑time systems, C++ and cloud‑native development.

Senior Software Engineer in St. Louis, LSEG, building and improving internal tools for finance teams. Drives DevOps adoption, leads code reviews, and develops scalable solutions with architecture team.

Senior Software Engineer, Site Reliability Engineering at Mastercard Digital Enablement Services (MDES) focuses on building and maintaining the next‑generation digital payment platform. The role bridges software engineering, operations, and partner teams to accelerate feature delivery, reduce latency, and increase system availability.

DEW team at NISC builds an integrated platform for electric system engineers to aggregate and analyze grid data, enabling power flow analysis and renewable integration. The role designs responsive desktop apps, collaborates with product, QA, and support to deliver new features, and troubleshoots complex engineering bugs.

Lead Software Engineer on Mastercard’s Azure Platform Engineering team, building automated cloud infrastructure for application teams. Designs and deploys scalable platform solutions, manages Azure resources via code, and drives reliability through automation and incident response.

Lead production support for enterprise RPA and automation platforms, owning incident triage, root‑cause analysis, and remediation. Drive reliability, observability, and proactive improvements.

Professional Services Platform Automation team at Esri builds secure, high‑performance CI/CD pipelines and automation infrastructure for cloud and on‑premises GIS solutions. The role designs and maintains GitHub Actions/Azure DevOps pipelines, architects Docker environments, automates build infrastructure, and implements security gatekeeping such as SBOM generation and vulnerability scanning.

MasterCard B&MI Technology team builds enterprise analytics and reporting solutions. Senior Software Engineer designs and develops Java back‑end services and Angular/React front‑ends, ensuring alignment with enterprise architecture and PCI/GLBA compliance.

Software Engineering team at Sirsi Corporation builds and maintains enterprise software solutions. The role designs, develops, and tests Java applications using Spring Boot, REST APIs, and databases while collaborating with architects and product managers.

aiR Services team at Relativity builds the shared backend platform powering the company’s generative AI suite. As a Software Engineer you design and operate scalable, secure backend services that route AI traffic across regions, ensuring reliability and fairness for high‑throughput workloads.

Software Engineer role at RGi focuses on designing, developing, testing, and integrating geospatial software solutions for defense and intelligence clients. The position requires strong coding skills, Agile experience, and a background in modern programming languages and cloud technologies.

Software Engineer on a distributed team building a variable data printing platform for Highmark Health. Designs and writes scalable code, participates in agile ceremonies, mentors peers, and ensures performance and reliability.

Software Engineer role at Boeing’s Tapestry Solutions in Hazelwood, MO focuses on supporting the Department of Navy Tomahawk Land‑Attack Missile program. The position requires a strong background in VB.NET or C#.NET, relational database skills, and unit testing frameworks.