👨🏻‍💻 postech.work

Java Developer (Python, Kotlin)

Saransh Inc • 🌐 In Person

In Person Posted 2 days, 19 hours ago

Job Description

Job Summary

Strong Backend Developer with deep expertise in Java-based backend systems

Design, build, and maintain scalable, high-performance applications

Apply critical thinking and problem-solving to analyze complex systems and deliver sustainable solutions

Contribute to technical documentation for knowledge sharing and long-term maintainability

Good-to-have experience in Python, Kotlin, and basic frontend technologies

Key Responsibilities

Design, develop, and maintain scalable backend services using Java (Spring / Spring Boot)

Analyze and troubleshoot complex issues; optimize system performance

Build and maintain RESTful APIs and microservices with reliability and scalability focus

Write clean, efficient, well-tested, and maintainable code following best practices

Create and maintain technical documentation (design docs, API contracts, runbooks)

Participate in code reviews, architecture discussions, and technical decisions

Collaborate with frontend engineers, QA, and product stakeholders for end-to-end delivery

Support production systems, perform root cause analysis, and drive preventive fixes

Required Skills \& Qualifications

Strong hands-on experience in Java (Core Java, Collections, Concurrency)

Experience with Spring / Spring Boot and backend service development

Strong critical thinking, system analysis, and structured problem-solving skills

Solid understanding of backend architecture, microservices, and API design

Experience with relational databases and basic NoSQL concepts

Knowledge of unit and integration testing (JUnit, Mockito)

Familiarity with Git, CI/CD pipelines, and agile development methodologies

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