Salary
≈ $24k – $64k per year (Estimated)
Location
In office (Bengaluru)
Seniority
Senior · 6+ years exp
Overview
Company
Impact
Profile match
Wissen is a global technology consulting and software engineering firm specializing in digital transformation and custom software development. Founded in 2000, the company delivers end-to-end technology solutions across key sectors, including banking and financial services, healthcare, telecommunications, and retail. Its core offerings span application modernization, cloud architecture, artificial intelligence and machine learning, big data analytics, DevOps, and quality assurance.
We are looking for a Senior Java Developer with strong Python experience to design, develop, and maintain scalable backend services and applications. The role requires hands-on development in Java and Python, with ownership of APIs, automation, performance, and production support across cloud-based environments. Python is expected to be a strong working language, not just a scripting add-on.
Responsibilities:
- Design, develop, and maintain backend services using Java and Python.
- Build and integrate RESTful APIs and microservices.
- Write clean, scalable, testable, and maintainable code.
- Participate in architecture discussions, code reviews, and technical design decisions.
- Develop automation, utility scripts, and service components in Python where needed.
- Work on performance tuning, debugging, root cause analysis, and production support.
- Collaborate with QA, DevOps, Product, and other engineering teams.
- Contribute to CI/CD pipelines, deployment readiness, and release support.
- Ensure code quality through unit, integration, and regression testing.
- Follow Agile/Scrum practices and take ownership of deliverables end to end.
Requirements:
- 6+ years of experience in software development.
- Strong hands-on experience in Java, preferably Java 8+ or later.
- Strong experience in Python for backend development, scripting, automation, or service development.
- Experience with Spring Boot, Spring MVC, or similar Java frameworks.
- Good understanding of REST APIs, microservices, and distributed systems.
- Experience with relational databases such as MySQL, PostgreSQL, or Oracle.
- Knowledge of Git, Maven/Gradle, and CI/CD tools.
- Strong debugging, analytical, and problem-solving skills.
- Experience with unit testing frameworks such as JUnit, Mockito, or Python test frameworks.
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