Backend Engineer (Contract Basis)

Techconnect.id — Tangerang, ID — cdd

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Published on 2 September 2026 · first appeared in our records on 2 September 2026.

Stable posting: first seen on 2 September 2026, with no abnormal reposting.

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📌 EMPLOYMENT DETAILS • Employment type: through 3rd party/ vendor • Duration: 24 months fixed term (subject to change based on business needs) • Work setup: Full onsite with dedicated full office hours based in BSD, Tangerang. The Role Senior • Lead the design and development of scalable, secure, and high-performance backend systems and RESTful APIs using Golang, Java Spring Boot, or Python. • Strategize backend architecture decisions, including microservices design, data modeling, and system integration patterns. • Authorize technical standards for API development, database management, and service reliability across the engineering team. • Plan and evaluate CI/CD pipeline improvements, containerization strategies (Docker & Kubernetes), and cloud infrastructure on AWS/GCP. • Lead code reviews, establish engineering best practices, and drive a culture of quality and ownership. • Formulate data management strategies across SQL/NoSQL databases (PostgreSQL, MySQL, Oracle, MongoDB, Redis) including caching and performance tuning. • Recommend and evaluate emerging backend technologies, frameworks, and patterns to continuously improve system capabilities. • Control system reliability, availability, and security posture through proactive monitoring, incident management, and root cause analysis. • Synergize across Product, Frontend, DevOps, and QA teams to align technical delivery with business goals. • Use AI-assisted development tools thoughtfully to improve backend delivery, test coverage, debugging, and documentation without compromising quality or security. • Mentor mid and junior engineers, fostering technical growth and engineering culture within the team. • Evaluate and manage technical debt, dependency lifecycle, and long-term platform scalability. Mid • Develop and maintain backend services and RESTful APIs using Golang, Java Spring Boot, or Python, with a focus on scalability and performance. • Implement and manage SQL/NoSQL database schemas (PostgreSQL, MySQL, Oracle, MongoDB, Redis) and apply caching strategies. • Build and maintain microservices following established architecture patterns and engineering standards. • Collaborate with Product Managers, Frontend Engineers, and QA to deliver end-to-end features and seamless integrations. • Plan and contribute to CI/CD pipelines and containerized deployments using Docker & Kubernetes. • Write clean, testable, and well-documented code in alignment with team coding standards. • Participate in code reviews and recommend improvements to development processes. • Use AI-assisted coding tools where appropriate for implementation, debugging, tests, and documentation, validating all output through established engineering practices. • Troubleshoot and resolve backend performance issues, API failures, and database bottlenecks. • Evaluate and implement caching, queuing, and optimization techniques under team guidance. • Maintain technical documentation for services, APIs, and system components. • Stay current with backend ecosystem trends and contribute learnings to the team. Senior • Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience). • 5+ years of professional backend development experience with a proven record of building high-traffic, mission-critical systems. • Deep expertise in Golang, Java Spring Boot, or Python; proficiency in more than one language is a strong advantage. • Proven track record architecting and leading microservices-based backend systems at scale. • Strong command of RESTful API design principles, including versioning, security, and performance. • Expert-level experience with databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis — including query optimization and schema design. • Solid experience with cloud platforms (AWS or GCP) and containerization tools (Docker, Kubernetes). • Expertise in CI/CD pipelines, automated testing, and deployment best practices. • Familiarity with AI-assisted coding tools such as Cursor, GitHub Copilot, Claude Code, OpenAI Codex, or similar, with the judgment to review and test generated output. • Strong understanding of system reliability, observability, and security practices. • Experience leading code reviews and setting engineering standards for a team. • Excellent communication, stakeholder management, and cross-functional collaboration skills. • Prior experience in high-traffic, mission-critical production environments is required. Mid • Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience). • 2–4 years of professional backend development experience with at least one production system shipped. • Working proficiency in Golang, Java Spring Boot, or Python. • Hands-on experience with RESTful API development and basic microservices concepts. • Solid experience with relational and/or NoSQL databases (PostgreSQL, MySQL, Oracle, MongoDB, Redis). • Familiarity with cloud platforms (AWS or GCP) and containerization basics (Docker, Kubernetes). • Experience with Git and collaborative development workflows (code reviews, branching strategies). • Familiarity with AI-assisted coding tools for development, testing, debugging, or documentation is an advantage. • Understanding of CI/CD concepts and deployment pipelines. • Basic knowledge of caching strategies, queuing systems, and performance considerations. • Strong problem-solving skills, attention to detail, and eagerness to learn. • Good communication skills and ability to thrive in a collaborative, agile environment. • Prior exposure to high-traffic systems is an advantage