- Company Name
- YEO Messaging
- Job Title
- Back End Developer
- Job Description
-
Job title: Back End Developer
Role Summary: Design, develop, and maintain secure, scalable backend services using Node.js, TypeScript, Nest.js, and Express.js. Build and expose high‑performance RESTful and GraphQL APIs, implement real‑time communication, database modeling (PostgreSQL, MongoDB), secure authentication, and continuous delivery pipelines. Collaborate with cross‑functional teams to deliver production‑ready infrastructure on cloud platforms (AWS, GCP, Azure).
Expactations: Deliver clean, testable code that meets security and performance standards. Document design decisions and API contracts. Participate in code reviews and sprint planning. Ensure high availability, fault tolerance, and compliance with data protection regulations.
Key Responsibilities:
- Develop and maintain backend services in Node.js + TypeScript
- Build scalable APIs with Nest.js and Express.js
- Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases using Prisma ORM
- Create RESTful and GraphQL (Apollo) endpoints with high performance and proper versioning
- Implement WebSocket solutions for real‑time features
- Secure APIs with JWT, OAuth, and other authentication mechanisms
- Write unit tests (Jest/Mocha) and perform API testing (Postman)
- Apply caching and messaging patterns using Redis Pub/Sub
- Containerize services with Docker and orchestrate using Kubernetes (K8s/K3s)
- Automate infrastructure with Terraform and manage IaC pipelines
- Maintain CI/CD pipelines and GitHub workflows for seamless deployments
- Deploy and scale applications on AWS, GCP, or Azure, managing S3 object storage as needed
Required Skills:
- Strong proficiency in Node.js, TypeScript, Nest.js, Express.js
- Experience with PostgreSQL, MongoDB, and Prisma ORM
- Development of RESTful and GraphQL APIs (Apollo)
- Real‑time communication via WebSockets
- API security best practices (JWT, OAuth)
- Testing frameworks: Jest, Mocha, Postman
- Redis (caching, Pub/Sub)
- Docker & Kubernetes (containerization, orchestration)
- Terraform (IaC)
- CI/CD tooling and GitHub Actions
- Cloud services: AWS, GCP, Azure (compute, storage, networking)
- Strong understanding of version control (Git) and code review processes
- Familiarity with security standards and data protection regulations
Required Education & Certifications:
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field
- Certifications such as AWS Certified Developer – Associate, GCP Associate Cloud Engineer, or Azure Developer Associate are advantageous.