Develop, test, deploy, and maintain Java/Spring backend services and React frontends for traffic management and mobility platforms. Collaborate with cross-functional teams, participate in code reviews, troubleshoot production issues, and improve platform scalability, performance, and maintainability within Agile processes.
Our client is a global leader in intelligent transportation systems that help improve traffic flow, road safety, and air quality around the world. With solutions spanning traffic management, tolling, and mobility platforms, and partners with transportation agencies and organizations across the globe to modernize infrastructure and solve complex mobility challenges.
They are seeking a Software Engineer (contract to hire) to join its engineering team supporting next-generation traffic management and mobility platforms.
This role will contribute across the software development lifecycle, including designing, developing, testing, deploying, and maintaining software solutions used by transportation agencies and roadway operators. Engineers work closely with cross-functional teams to deliver scalable, reliable applications while supporting ongoing platform improvements and customer-facing initiatives.
The ideal candidate enjoys solving complex technical problems, writing maintainable code, collaborating with teammates, and contributing to products that have real-world impact.
- Java
- Spring Boot / Spring Framework
- React
- TypeScript or modern JavaScript
- REST APIs
- SQL databases
- Git-based development workflows
- Kubernetes
- AWS
- GraphQL
- Microservices architecture
- CI/CD pipelines
- Modern web application development
- GIS or mapping technologies
- Mapbox, DeckGL, Turf.js, or similar tools
- Transportation, logistics, smart city, or real-time operational systems experience
Responsibilities
- Design, develop, test, and maintain software applications
- Build and enhance backend services using Java and Spring technologies
- Contribute to modern frontend development using React and TypeScript
- Participate in code reviews and technical discussions
- Troubleshoot production issues and support software releases
- Collaborate with engineering, product, and customer-facing teams
- Help improve platform performance, scalability, and maintainability
- Contribute to Agile development processes and best practices
Qualifications
- 3-7+ years of professional software engineering experience
- Strong object-oriented programming fundamentals
- Experience building and consuming APIs
- Experience working with relational databases
- Ability to independently solve problems and deliver features
- Strong communication and collaboration skills
Additional Requirements
- Must be a U.S. Citizen or Green Card holder
- Contract-to-hire opportunity
- Candidates with a history of long-term impact and stable career progression are strongly preferred
- This is a 6 month contract to hire opportunity. During the contract portion, candidates will be engaged as 1099 (independent) contractors.
The base pay range for this role is $90,000 – $120,000 per year.
Similar Jobs
Information Technology • Software
Design, build, and maintain TypeScript/NestJS backend services and scalable APIs. Implement event-driven, asynchronous processing with queues and workers, integrate third-party APIs and webhooks, and improve platform reliability through observability, performance optimization, and production troubleshooting. Collaborate cross-functionally, own projects end-to-end, and influence long-term architecture and developer experience.
Top Skills:
NestjsNode.jsTypescript
Information Technology • Software
Design, build, and maintain scalable backend services and APIs using TypeScript and NestJS. Implement event-driven, high-throughput workflows, integrations, queues/workers, and observability; collaborate across teams and own projects from design to deployment.
Top Skills:
Alerting)APIsBackground JobsEvent-Driven ArchitectureMetricsMonitoringNestjsNode.jsObservability (LoggingQueuesTracingTypescriptWebhooksWorkers
Healthtech
As a Software Engineer, you will develop and maintain Python and C# API services, mentor junior developers, and collaborate in Agile teams to deliver software solutions in healthcare communication.
Top Skills:
.Net Core.Net FrameworkAdo.NetAsp.Net Web ApiAWSAzureC#DapperDjangoEntity FrameworkGitGitlabJenkinsMssqlPythonRabbitMQReactRestful Web ApiTypescript
What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering


