Software Development Engineer III - Java/Python
First seen by Alion on Oct 22, 2026.
We are looking for an experienced Backend Developer to design, develop, and maintain scalable, secure, and high-performance backend systems at ZOOP.
The ideal candidate will have strong software engineering fundamentals, expertise in backend development, and the ability to contribute to system design and technical decision-making.
Key Responsibilities :
- Design, develop, and maintain scalable, reliable, and efficient backend services.
- Collaborate with product and engineering teams to translate business requirements into robust technical solutions.
- Design and optimise databases, data models, and queries to support performance and scalability.
- Develop and maintain APIs, ensuring consistency, security, versioning, and integration reliability.
- Implement appropriate security measures, authentication, authorisation, and data protection practices.
- Participate in system design discussions, code reviews, and architectural improvements.
- Identify and resolve complex technical issues, troubleshoot production problems, and optimise system performance.
- Develop automated unit and integration tests and follow engineering best practices.
- Mentor junior engineers and contribute to improving code quality, maintainability, and development standards.
Requirements :
- 5 - 8 years of professional software development experience, with strong expertise in backend engineering.
- Proficiency in Java or Python, with experience in frameworks such as Spring Boot or Django.
- Strong understanding of RESTful API design, microservices, and backend system architecture.
- Hands-on experience with relational databases such as PostgreSQL or MySQL, including data modelling and query optimisation.
- Understanding of application security, authentication, authorisation, and secure coding practices.
- Experience with automated testing frameworks such as JUnit or Pytest.
- Strong problem-solving, debugging, and analytical skills.
- Experience with Git, code reviews, and collaborative software development practices.
- Ability to take ownership of technical deliverables and work effectively with cross-functional teams.
Skills
Backend Architecture, System Design, System Architecture, Java, Python, Django, Spring Boot, RESTful API, PostgreSQL