Senior Java Backend Engineer — Hybrid Microservices

TOPSYSIT; Menlo Park (CA); Hybrid; USD 170,000 - 210,000; Full time

Job summary

TOPSYSIT in Menlo Park, CA is seeking a hands-on Senior Backend Java Developer with 8–10 years of experience to design, build, and scale robust backend applications and microservices powering our core financial platforms. You will craft secure, high-performance APIs and integrate complex data pipelines in a fast-paced enterprise setting.

You will design, develop and deploy scalable services using Java, Spring Boot, and RESTful APIs, while optimizing distributed microservices, DB interactions,

Qualifications

• 8–10 years of professional software development experience focusing on enterprise backend systems.
• Strong proficiency in Core Java (Java 8), multithreading, concurrency, and object-oriented design principles.
• Extensive, hands‑on experience building RESTful microservices using Spring Boot and the Spring ecosystem.
• Relational databases with SQL performance tuning and experience with event‑driven messaging tools (Kafka, RabbitMQ).
• DevOps & tooling: Git, Maven/Gradle, CI/CD automated deployment pipelines, and containerized cloud environments (Docker/Kubernetes).
• Proven track record working in Agile/Scrum delivery teams.

Responsibilities

• Design, develop, and deploy scalable backend services and RESTful APIs using Java and Spring Boot.
• Build, maintain, and optimize distributed microservices architecture.
• Write clean, maintainable code, manage database interactions, and ensure high backend performance and reliability.
• Integrate enterprise applications with messaging systems (Kafka, RabbitMQ) and distributed caching layers (Redis).
• Collaborate with product managers, system architects, and QA teams within an Agile/Scrum framework.
• Participate in thorough code reviews, enforce engineering best practices, and mentor junior developers.

Job description

TOPSYSIT in Menlo Park, CA is seeking a hands-on Senior Backend Java Developer with 8–10 years of experience to design, build, and scale robust backend applications and microservices powering our core financial platforms. You will craft secure, high-performance APIs and integrate complex data pipelines in a fast-paced enterprise setting.

You will design, develop and deploy scalable services using Java, Spring Boot, and RESTful APIs, while optimizing distributed microservices, DB interactions,