Full Stack Developer

Job Title: Full Stack Developer (React & Java)

Location: Austin, TX / Hybrid

Department: Engineering / Software Development

Employment Type: Full-time

Reports To: Director Engineering

Job Summary

We are looking for a skilled Full Stack Developer with strong expertise in React and Java to build and maintain modern, scalable web applications. You will work across the entire technology stack - designing responsive frontends, developing robust backend services, and ensuring seamless integration. This role is ideal for someone who enjoys owning features end-to-end and delivering high-quality user experiences.

Key Responsibilities

• Develop responsive and performant user interfaces using React.js, Redux, TypeScript, and modern CSS frameworks (Tailwind, Material-UI, etc.).


• Design, build, and maintain backend services and RESTful/GraphQL APIs using Java (Spring Boot preferred).


• Implement and optimize database interactions with SQL (PostgreSQL/MySQL) and/or NoSQL databases.


• Integrate frontend and backend systems, handle authentication (JWT, OAuth), and ensure secure data flow.


• Write clean, maintainable, and well-tested code (unit, integration, and end-to-end tests).


• Collaborate with designers, product managers, and other engineers to translate requirements into scalable solutions.


• Participate in code reviews, architecture discussions, and agile ceremonies.


• Troubleshoot, debug, and optimize application performance across the full stack.


• Contribute to CI/CD pipelines and cloud deployments (AWS, Azure, or Google Cloud Platform).

Required Qualifications

• 4+ years of professional experience as a Full Stack Developer.


• Strong proficiency in React.js (including hooks, state management, and component architecture).


• Solid experience with Java and Spring Boot (or Spring Framework).


• Experience with relational databases and ORM tools (JPA/Hibernate).


• Proficiency with RESTful APIs, JSON, and modern JavaScript/TypeScript.


• Understanding of web fundamentals (HTTP, security, performance, accessibility).


• Experience with Git and agile development workflows.

Preferred Qualifications

• Experience with Next.js or other React frameworks.


• Knowledge of microservices architecture and event-driven systems (Kafka, RabbitMQ).


• Cloud platform experience (AWS preferred) and containerization (Docker, Kubernetes).


• Familiarity with testing tools (Jest, JUnit, Cypress).


• Knowledge of CI/CD tools (Jenkins, GitHub Actions) and monitoring tools.

Oscar Associates Limited (US) is acting as an Employment Agency in relation to this vacancy.