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Photon

Sr Java API Developer - New York

Photon · New York, New York, United States · $40K–$140K/yr

IT Services and IT Consulting · 5,001-10,000 employees

6 h ago
Senior (5-10 yrs) Full-time United States
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About the role

Design, develop, and maintain secure, scalable RESTful APIs and microservices using Java and Spring Boot. Collaborate with cross-functional teams to optimize database schemas and implement robust API security mechanisms.

What they look for

Java 11/17 Spring Boot RESTful APIs Microservices Spring Security Hibernate/JPA PostgreSQL Apache Kafka Docker Kubernetes OAuth2 JWT Git CI/CD Agile/Scrum OpenAPI/Swagger

Requirements

Requires a Bachelor's degree and 5-8+ years of experience in Java backend development with strong proficiency in the Spring ecosystem. Candidates should have experience with relational databases, messaging platforms, and modern CI/CD tools.

Benefits

Medical Vision Dental 401k Retirement Plan Variable Pay/Incentives Paid Time Off Paid Holidays

Full description

Position Summary

We are seeking a Senior Java API Developer to design, develop, and maintain secure, scalable, and high-performance RESTful APIs and microservices. The ideal candidate has extensive experience with Java, Spring Boot, API design, cloud-native development, and modern software engineering practices. You will collaborate with cross-functional teams to build enterprise-grade applications that are reliable, scalable, and maintainable.

Key Responsibilities

  • Design, develop, and maintain RESTful APIs and microservices using Java and Spring Boot.
  • Build scalable, secure, and high-performance backend services.
  • Develop reusable and maintainable code following clean architecture and coding best practices.
  • Collaborate with product owners, architects, frontend developers, QA, and DevOps teams throughout the software development lifecycle.
  • Design and optimize database schemas, queries, and data access layers.
  • Implement API security using OAuth2, JWT, OpenID Connect, and other authentication mechanisms.
  • Integrate with third-party services, messaging systems, and enterprise applications.
  • Develop unit, integration, and API tests to ensure code quality and reliability.
  • Participate in code reviews, technical design discussions, and architecture decisions.
  • Troubleshoot production issues, optimize application performance, and support deployments.
  • Contribute to CI/CD pipelines and DevSecOps practices.

Required Qualifications

  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 5–8+ years of experience in Java backend development.
  • Strong proficiency in Java 11/17 and object-oriented programming principles.
  • Extensive experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
  • Strong experience designing and developing RESTful APIs and microservices.
  • Experience with Hibernate/JPA and relational databases such as PostgreSQL, MySQL, or Oracle.
  • Knowledge of NoSQL databases such as MongoDB or Cassandra is a plus.
  • Experience with API documentation using Swagger/OpenAPI.
  • Familiarity with messaging platforms such as Kafka or RabbitMQ.
  • Experience using Git and modern CI/CD tools.
  • Strong understanding of Agile/Scrum development methodologies.

Preferred Qualifications

  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Familiarity with Docker, Kubernetes, and containerized deployments.
  • Experience implementing event-driven and distributed architectures.
  • Knowledge of caching technologies such as Redis or Hazelcast.
  • Exposure to GraphQL is a plus.
  • Understanding of observability tools such as Prometheus, Grafana, ELK Stack, or Splunk.

Technical Skills

  • Programming: Java 11/17, Core Java
  • Frameworks: Spring Boot, Spring MVC, Spring Security, Spring Data JPA
  • API Technologies: REST, OpenAPI/Swagger, JSON, GraphQL (optional)
  • Databases: PostgreSQL, MySQL, Oracle, MongoDB
  • Messaging: Apache Kafka, RabbitMQ
  • Build Tools: Maven, Gradle
  • Testing: JUnit, Mockito, REST Assured
  • CI/CD: Jenkins, GitHub Actions, GitLab CI, Azure DevOps
  • Containers: Docker, Kubernetes
  • Version Control: Git

Compensation, Benefits and Duration

Minimum Compensation: USD 40,000

Maximum Compensation: USD 140,000

Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.

Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full-time employees.

This position is not available for independent contractors

No applications will be considered if received more than 120 days after the date of this post