Lead backend/full-stack role building APIs and services with Java and Spring Boot. Integrate GraphQL and Kafka, implement and optimize WebSocket endpoints (Tyrus/Netty, STOMP/MQTT), design secure auth for WebSockets, use Spring Data JPA. Angular and cloud experience are a plus.
- Hands on experience in Java, Spring boot, async programming concepts
- Graphql integration, Kafka Integration and knowledge of messaging systems
- Implemented Web socket endpoints to enable Realtime bidirectional communication between client and server (Libraries like Tyrus, Netty as well as protocols like STOMP, MQTT etc.,)
- Optimized Web Sockets for performance, reliability and scalability
- Design and implemented authentication and authorization mechanism for secure WebSocket communication
- Develop APIs and backend services using Sprint Boot, Sprint Data JPA,
- Implementation web sockets
- Angular+ Cloud exp will be plus
Photon Chicago, Illinois, USA Office
11 East Adams Street Suite 1100, Chicago, IL, United States, 60603
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What you need to know about the Chicago Tech Scene
With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.
Key Facts About Chicago Tech
- Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
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- Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
- Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory



