Software Development Engineer jobs in St Louis

Cynet Systems

Job Overview: Pay Range: $60.00hr - $65.00hr Requirement/Must Have: 8-10+ years of hands-on software engineering experience. Recent experience in Java, Kotlin, Oracle, Postgres, Data handling, Spring, Spring Boot. Recent experience in Kafka, in memory caching. Experience in developing REST services.

Agile Defense

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next. Our vision is to bring adaptive innovation to suppo

Date Posted: 2026-08-19 Country: United States of America Location: US-MN-ST LOUIS PARK-5775 ~ 5775 Wayzata Blvd ~ WAYZATA, Ste 630 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active

Company Description Information Technology Job Description Senior Software Engineer – Java & Front End Location: St. Louis Information Technology - Developer Exp 2-5 years Deg Bachelors Relo Bonus Job Description We are a growing, entrepreneurial company that provides solutions to more effective

Affirm

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. As we build Affirm's advertising platform and evolve Marketplace into a best in class shopping destination, the ability to rout

Esri

Overview Are you ready to launch your career by building software that makes a real-world impact? As a developer on our team, you will build software leveraging Esri’s products and APIs for customers across a wide swathe of sectors and focused on the Midwest region. This is a unique opportunity to g

LSEG

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge

Software engineer – Java St Louis , MO-3days Sigma Aldrich Rate :: 60-65/hr on C2C Mandatory Skills Java Spring Boot Kotlin Oracle OR Potgre Kafka GCP OR AWS OR Azure Docker OR Kubernetes REST services. Unite Test Java script OR Typescript HTML OR CSS * ESSENTIAL JOB FUNCTIONS* * Work as part of an

CGI

Position Description: CGI is looking to hire a Software Engineer, offering a unique opportunity to work on a high impact project within a collaborative and innovative team. This position must be performed on-site in St Louis, MO, however a hybrid working model is acceptable one day per week. • Chall

Overview: Client: MasterCard Location: Stlouis, MO Technologies: Java, DXP/Angular, Oracle, Cloud Development, Microservices (1) Lead Software Development Engineer: • Experience leading a development team • Full stack engineering experience in a production environment • Expert programming skills in

Affirm

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The vision for the Batch Infra team @ Affirm team is to provide reliable, scalable, self-serve and Affirm-optimized compute sol

About Us: At *** (*** | Connected World, Connected Experiences), we live the philosophy of connected world and connected experiences. We thrive on change that is powered by the intelligent symphony of technology and humans designing meaningful and sustainable experiences. Consumer 'experiences' are

Midlevel Java Developer Our prestigious client has an opening for a Midlevel Java Developer for a two year + contract opportunity. This role is a hybrid role and will require onsite in two-three months. Please do not send candidates if they are not comfortable working onsite in St Louis, MO on a hyb

Midwest Software DeveloperAre you ready to launch your career by building software that makes a real-world impact? As a developer on our team, you will build software leveraging Esri's products and APIs for customers across a wide swathe of sectors and focused on the Midwest

Overview 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. This is a unique opportunity to grow your technical skills while contributing to projects that matter. You'll work alongside engineers

Midlevel Java DeveloperOur prestigious client has an opening for a Midlevel Java Developer for a two year + contract opportunity. This role is a hybrid role and will require onsite in two-three months. Please do not send candidates if they are not comfortable working onsite in St Louis, MO on a hybr

Software DeveloperIn 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. This is a unique opportunity to grow your technical skills while contributing to projects.

Job TitleInterview: Video + F2F Must do second round F2F interview Visa: All apart fro H1B and CPTTop SkillsC & C++ (experience developing while responsible for memory management/how the data is transmitted) Java is fine if they have history with working with C and C++.SAFe ExpTDD in big plusPaired

Job Title Interview: Video + F2F Must do second round F2F interview Visa: All apart fro H1B and CPT Top Skills C & C++ (experience developing while responsible for memory management/how the data is transmitted) Java is fine if they have history with working with C and C++. SAFe Exp TDD in big plus P

Job Description SDET Engineers are involved in requirements analysis, test planning, writing test cases/scripts, test case automation, and execution of all testing (which may include application integration, system, system/network integration, performance testing and acceptance testing) required to