React UI/UX Software Developer

R-00190320 Description Join Us in Shaping the Future of Mission-Critical User Experiences Ready to turn complex mission requirements into intuitive, high-impact user experiences? Join Leidos on the Chinook Program, supporting an Intelligence Community customer, and help design and deliver modern user interfaces that enable mission users to interact with...

Job Title: Principal Software Architect Location: Remote (United States) Employment Type: Full-Time About the Opportunity We are seeking a Software Architect to lead the design and evolution of scalable, secure, and high-performance enterprise applications. This role will define architecture standards, drive technical strategy, mentor engineering...

This job is with Encode, Inc a fully owned subsidiary of Lancesoft Job Details: Title : Software Developer AWS Location : St Louis, MO Clearance : Top secret Type : Full Time This is 100% onsite job This position involves software development activities that support building and delivering new and innovative software solutions to Aeronautical based

Position Summary We are looking for a highly hands-on Ecommerce Experience & Growth Designer to own the day-to-day performance, optimization and evolution of our ecommerce websites. This is an execution-focused role for someone who combines strong ecommerce instincts with UX and design sensibility, conversion optimization, SEO, AEO/GEO and emerging AI...

Leidos is seeking a software engineer with strong AWS, web tech, and API skills to design, develop, and modify core services and web applications. You will work in an Agile team, using GitLab, Jira and Confluence to track progress and deliver features.The role requires proficiency in Python, C#, Java, JavaScript/TypeScript, React, and REST/GraphQL APIs, plus

R-00192534 Description The Leidos FS2 Aero team has an opening for a junior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office.  The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition...

CEdge Inc | Full time Jr Software Developer Saint Louis, United States | Posted on 08/31/2026 Share this job with your network * * * * * * * Job listing * Job details Job Information * Date Opened 08/31/2026 * Job Type Full time * Work Experience 1-3 years * Industry Government/Military * Salary 115,000 * City Saint Louis * State/Province Missouri * Country...

Salary: $150,000 - 200,000 per year Requirements: Active Secret security clearance (minimum). Bachelors degree in Computer Science, Software Engineering, Information Systems, or a related technical field, or equivalent professional experience. Strong programming skills in Python, Java, JavaScript, or similar languages. Experience building web applications,...

Senior UI/UX DesignerAre you an experienced senior designer skilled in both UX and UI? Come join the leading UX/web design and development agency based in the historic Tivoli Theatre off Delmar in the Loop in St. Louis. We are seeking a passionate, creative Senior Digital Designer to join our growing team.Flexible work from anywhere model with a strong...