Midlevel Backend Engineer at PiggyTech Global Limited ("PiggyVest”)

Job Summary

• We’re looking for a skilled and motivated Mid-Level Backend Engineer to join our growing engineering team. In this role, you will be responsible for developing and maintaining scalable backend services that support our core applications.
• You’ll work closely with product managers, frontend engineers, and DevOps to deliver high-performance features and help improve our systems' overall architecture and reliability.
• This is an excellent opportunity for an engineer who is confident in building APIs, enjoys solving complex problems, and is eager to grow into a senior or leadership role over time.

Job Details

• Backend Development: Build and maintain robust backend services using Node.js and TypeScript.
• API Implementation: Develop and maintain RESTful and GraphQL APIs that are scalable and secure.
• Database Integration: Work with MySQL/PostgreSQL, including writing efficient queries and basic optimization.
• Code Quality: Write clean, maintainable, and well-documented code following established engineering best practices.
• Testing: Implement unit and integration tests to ensure system reliability.
• Collaboration: Work closely with product, design, frontend, and DevOps teams to deliver end-to-end solutions.
• Issue Resolution: Troubleshoot bugs and production issues to ensure application stability and performance.
• Version Control & Reviews: Use Git for version control and participate in peer code reviews.
• Continuous Improvement: Participate in regular refactoring and system performance reviews.

Technical Stack

• Programming Languages: Node.js, TypeScript
• Databases: MySQL, PostgreSQL
• API Protocols: RESTful, GraphQL (preferred)
• Version Control: Git, GitHub/GitLab
• Testing Tools: Jest, Mocha, Supertest
• Infrastructure Tools: Docker, basic Kubernetes knowledge (preferred)
• CI/CD: GitHub Actions, Bitbucket Pipelines, GitLab CI/CD
• Cloud Platforms: GCP (preferred), AWS
• Messaging Systems: Google Pub/Sub (preferred), RabbitMQ, Kafka (bonus)

Requirements

• Strong experience with Node.js and TypeScript in production environments.
• Solid understanding of API development, request/response lifecycle, and versioning.
• Working knowledge of SQL databases, including schema design and query performance basics.
• Experience writing unit/integration tests and ensuring code coverage.
• Familiarity with Git and collaborative development workflows.
• Understanding of CI/CD pipelines and deployment automation basics.
• Good grasp of authentication/authorization practices (JWT, OAuth).
• Ability to work independently and in a cross-functional team environment.
• Experience integrating with GraphQL APIs using Apollo Server or similar frameworks.
• Exposure to Pub/Sub, RabbitMQ, or other message brokers.
• Familiarity with Docker and containerized deployments.
• Awareness of monitoring and alerting tools (e.g., Firebase, Prometheus, Sentry).
• Basic understanding of Kubernetes, microservices, or distributed systems.