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- ...throughput production environment. Core Technologies: Deep background in Backend or Full Stack technologies, operating within modern environments (like our core stack of Ruby on Rails, TypeScript/JavaScript, and PostgreSQL ). System Design: Expertise in...RubyFullstackRailFull timeTemporary workWork experience placementRemote workLong distanceFlexible hours
- ...and other stakeholders to identify and understand the API requirements. Design and develop the API interface and documentation using programming languages like Java, Python, or Ruby on Rails. Implement RESTful APIs to enable seamless communication between front end and...RubyRail
- ...accomplished by closely partnering with developers to design, build, implement, and support... ...production event thru the various technology stack that makes up the platform, to optimize... ...preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designing, analyzing and...RubyShift work
Samprasoft
O Fallon, MO4 days ago - ...Title: Full Stack Java Developer Location: Ofallon, MO 63368 Type: Contract Duration: Long Term Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected candidate will...FullstackContract work
NR Consulting
O Fallon, MO6 days ago - ...the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover... ...of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designing, analyzing and troubleshooting large-scale...RubyImmediate start
Dynamic Yield
O Fallon, MO3 days ago - ...fraudsters across the globe? Interested in creating Thats the stuff! software for combating scammers? The Transaction Security team develops new products for Mastercard's fraud prevention platform. We protect cardholders / card issuers and aim to eradicate credit card...Fullstack
Samprasoft
O Fallon, MO4 days ago - Sr. Software Engineer Backend Developer, Java Spring Boot, event driven architecture (Kafka) Knowledge / Experience: Experience with large... ..., C/C++, C#, Objective C, Node.js, .NET, Python, PHP or Ruby Experience working with Spring Boot Experience working directly...Ruby
- ...with 'Scale @ Speed' as our guiding principle. Location: Day -1 Onsite Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected candidate will have to write scalable, robust, and easy-to-maintain...Fullstack
Procyon TS
O Fallon, MO3 days ago $40 - $80 per hour
...Artifactory, Chef, or similar technologies. Experience or academic exposure to programming languages such as Java, Python, C++, Go, Ruby, Perl, or related technologies. Strong troubleshooting, analytical, and problem-solving abilities. Interest in...RubyHourly payContract workSmart IMS Inc
O Fallon, MO3 days ago- ...Position Overview Seeking a Lead Software Engineer with strong full-stack development experience and expertise in Agentic AI frameworks.... ..., and enhancement of a Qlik Sense environment while helping develop next-generation Agentic products and data solutions. Key...FullstackTemporary work
Delan Associates, Inc
O Fallon, MOmore than 2 months ago - ...Job Title: Senior Software Engineer- Sr Java Full Stack Developer Work Location: O'Fallon, MO Work Mode: Hybrid Work Auth: All Visas accepted (No H1 and No Fake Profiles) Experience: 8–12+ Years Education: Bachelor's Degree or equivalent professional experience...FullstackWork visa
Xcelo Group
O Fallon, MO6 days ago $96k - $163k
...programming language such as C, C++, Java, Python, Go, Perl, or Ruby is preferred. Keen interest in designing, analyzing, and resolving... ...production events across various components of the technology stack to optimize recovery times. Collaborate with a global team...RubyFull timeMastercard
O Fallon, MO6 days ago- ...researching new technologies/tools that can be incorporated to improve the current system. Roles and Responsibilities: Ideally full stack experienced developer with strong/expert level Java development/architecture experience with Spring/Hibernate expertise. Proven experience...FullstackWork experience placement
- ...Program Overview: Sustainability and Innovations Program aims to develop Mastercard sustainability solutions and innovative products for... ...innovative solutions for a new product enabling Mastercard Multi-rail strategy. Role: Software Engineer at MasterCard is a high...RailLocal area
$140k - $231k
...modular design, and maintainability • Build and enhance internal developer platforms using Backstage or similar frameworks, leveraging... ...Code Qualifications • Proven ability to coach teams on full-stack development and end-to-end service ownership • Strong communicator...FullstackFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO6 days ago$115k - $184k
...As a Senior Software Engineer, you will develop software while also contributing to reliability... ...solutions. • Contribute across the full software development lifecycle, from... ...backend services while contributing to full-stack functionality using modern front-end frameworks...FullstackFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MOa month ago- ...Scale @ Speed' as our guiding principle. Role Overview: As a Software Engineer in Corporate Solutions at you'll work with modern full-stack development practices with a focus on microservice and database development. We're building a global business-to-business (B2B) technology...Fullstack
$92k - $147k
...their greatest potential. Title and Summary Software Engineer II - Full Stack & AI Overview The Decision Services Technology team within Mastercard's Business & Market Insights organization develops analytics, reporting, and intelligence solutions that help...FullstackFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO8 days ago- ...Experience: 7+ Years Work Auth All Visas Accepted (No H1 and No Fake profiles) We are looking for an experienced Senior Java Full Stack Developer to design, develop, and enhance a next-generation Decision Management Platform that processes and scores billions of payment...FullstackWork experience placementLocal areaWork visa
Xcelo Group
O Fallon, MO23 days ago $55 - $65 per hour
DescriptionKforce has a client in Chesterfield, MO that is seeking a Full Stack Engineer.Key Responsibilities:* Partner with Finance,... ...engineer gross-to-net and margin reporting processes* Design and develop scalable data models that standardize margin and financial...FullstackKForce
Chesterfield, MO2 days ago$63 - $90 per hour
Location:Chesterfield, MissouriRemote:RemoteType:ContractJob#46650Technology Partners is currently seeking a talented Full-Stack Developer (Contract). Do you have experience modernizing legacy systems or building election/government software? Let us help you make your...FullstackContract workTechnology Partners
Chesterfield, MO4 days ago$115k - $184k
...greatest potential. Title and Summary Senior Software Engineer - Java Full Stack & AI Overview The Decision Services Technology team within Mastercard's Business & Market Insights organization develops analytics, reporting, and intelligence solutions that help...FullstackFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO8 days ago$115k - $184k
...ECR) team is seeking a talented Senior Software Engineer – Java Full Stack to design, build, and modernize applications that power credit... ..., requiring three days per week onsite. Role: • Design, develop, test, deploy, and maintain scalable full-stack applications...FullstackFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO24 days ago- ...customer outcomes. Key Responsibilities Lead, coach, and develop a high-performing engineering team while actively contributing... ...Drive end-to-end delivery of complex integration and full-stack engineering initiatives through hands-on development, technical...FullstackFull timePart timeWorldwideFlexible hours
Mastercard
O Fallon, MO15 days ago - ...frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The Senior... ..., or a related technical or scientific field7+ years of full stack development experience, including Java and modern web development...Fullstack
Planet Pharma
Hazelwood, MO2 days ago $57 - $72 per hour
DescriptionKforce has a client in Maryland Heights, MO seeking a Full Stack Developer (Python/React) to help produce and expand a custom enterprise application that enables users to gather, transform, and manage data through a modern ETL platform.Summary:This is a backend...FullstackKForce
Maryland Heights, MO3 days ago- ...development lifecycle and DevOps principles.Essential Responsibilities:- Responsible for designing, developing, testing, operating and maintaining products - Takes full stack ownership by consistently writing production-ready and testable code - Consistently creates...FullstackFull timeWork experience placementLocal area3 days per week
US Bank
Earth City, MO2 days ago $63 - $90 per hour
Location:Chesterfield, MOType:ContractJob#46727Technology Partners is currently seeking a talented Senior .NET Full-Stack Developer. Do you have experience building large-scale distributed applications using .NET, ASP.NET Core, AWS services, and modern JavaScript frameworks...FullstackTechnology Partners
Chesterfield, MO4 days ago$86.36k - $101.6k
...development lifecycle and DevOps principles.Essential Responsibilities:- Responsible for designing, developing, testing, operating and maintaining products - Takes full stack ownership by consistently writing production-ready and testable code - Consistently creates...FullstackWork experience placementLocal area3 days per weekUS Bank
Earth City, MO4 days ago- Location:St. Louis, MOType:ContractJob#47142Technology Partners is currently seeking a talented Full Stack Typescript Developer (Node/React). Do you have experience developing systems using Typescript, Node.js, and React?Let us help you make your next big career move a...FullstackFull time
Technology Partners
Chesterfield, MO4 days ago
