Job Description – Senior Full Stack Engineer (Node.js + React)

Position

Experience

Location

Employment Type

Role Overview

Key Responsibilities

Full Stack Development

• Design, develop and maintain enterprise-grade web applications using:
  • Node.js
  • React.js
  • TypeScript / JavaScript
• Develop scalable and maintainable frontend and backend components.
• Participate in the complete software development lifecycle from requirements analysis through production deployment.
• Translate business requirements into technical designs and high-quality implementations.
• Perform code reviews and enforce development standards and best practices.

Backend Development – Node.js

• Design and develop scalable backend services using Node.js.
• Strong experience with frameworks such as:
  • NestJS
  • Express.js
• Develop secure and scalable RESTful APIs.
• Implement authentication and authorisation mechanisms.
• Design appropriate service and API layers.
• Implement:
  • Error handling
  • Logging
  • Validation
  • Exception handling
  • API security
• Develop asynchronous and event-driven backend services.
• Integrate backend services with databases, third-party APIs and enterprise systems.
• Optimise backend services for performance and scalability.

Frontend Development – React.js

• Develop responsive and reusable user interfaces using React.js.
• Build reusable React components and frontend libraries.
• Implement state management using appropriate frameworks/libraries such as:
  • Redux / Redux Toolkit
  • Context API
• Integrate React applications with REST APIs.
• Implement client-side routing, form validation and error handling.
• Optimise frontend performance and page load times.
• Ensure responsive design and cross-browser compatibility.
• Work closely with UI/UX teams to implement designs accurately.
• Follow accessibility and frontend development best practices.

TypeScript / JavaScript

• Strong hands-on experience with JavaScript ES6+ and TypeScript.
• Apply modern JavaScript/TypeScript development practices.
• Implement strongly typed interfaces and reusable modules.
• Understand asynchronous programming, Promises, async/await and event-driven programming.
• Apply clean-code and SOLID principles.

API & Microservices

• Design and develop RESTful APIs.
• Define API contracts and integration standards.
• Implement API versioning and backward compatibility.
• Develop microservices where appropriate.
• Implement service-to-service communication.
• Handle API authentication, authorisation, validation and error management.
• Implement API documentation using Swagger / OpenAPI.
• Design APIs for scalability, reliability and maintainability.

Database

• Strong experience with relational databases such as:
  • PostgreSQL
  • MySQL
  • SQL Server
• Write complex SQL queries and stored procedures where required.
• Design tables, relationships and indexes.
• Analyse and optimise database performance.
• Understand transactions, isolation levels and concurrency.
• Experience with ORM frameworks such as:
  • TypeORM
  • Sequelize
  • Prisma
• Experience with NoSQL databases such as MongoDB is an advantage.

Caching & Messaging

• Experience with caching technologies such as Redis.
• Understand cache-aside and other caching patterns.
• Experience with messaging/event-driven systems such as:
  • Kafka
  • RabbitMQ
  • AWS SQS/SNS
• Design asynchronous processing and event-driven workflows.

Testing & Quality

• Develop unit, integration and API tests.
• Experience with:
  • Jest
  • React Testing Library
  • Supertest
  • Postman/Newman
• Follow Test-Driven Development (TDD) where applicable.
• Participate in code reviews and quality improvement initiatives.
• Ensure appropriate test coverage for critical business functionality.
• Identify and resolve performance, security and reliability issues.

CI/CD & DevOps

• Work with CI/CD pipelines for automated build, test and deployment.
• Experience with:
  • GitHub Actions
  • Jenkins
  • Azure DevOps
• Work with Git-based source control.
• Experience with Docker/containerisation.
• Support deployments across:

• Implement automated quality gates and deployment checks.

Cloud – Preferred

• AWS Lambda
• API Gateway
• S3
• EC2
• RDS
• CloudWatch
• IAM

Security

• Implement secure coding practices.
• Strong understanding of:
  • OAuth2
  • JWT
  • RBAC
  • Authentication and authorisation
  • OWASP principles
• Protect APIs against common vulnerabilities.
• Implement secure handling of credentials, tokens and sensitive data.
• Follow enterprise security and compliance standards.

Performance & Scalability

• Identify and resolve application performance bottlenecks.
• Optimise Node.js APIs and React applications.
• Analyse database and API performance.
• Implement caching and asynchronous processing where appropriate.
• Design applications for horizontal scalability.
• Participate in performance testing and capacity planning.

Production Support

• Provide L2/L3 production support for applications.
• Troubleshoot application and API issues.
• Perform root-cause analysis and implement permanent fixes.
• Monitor application health and performance.
• Participate in incident management and production deployments.
• Maintain technical documentation and operational runbooks.

Required Technical Skills

Must Have

• 6+ years of software development experience.
• Strong hands-on experience with Node.js and React.js.
• Strong proficiency in TypeScript / JavaScript.
• Strong experience developing REST APIs.
• Experience with NestJS / Express.js.
• Strong React component development experience.
• Experience with Redux / Redux Toolkit or equivalent state management.
• Strong SQL and relational database experience.
• Experience with PostgreSQL / MySQL / SQL Server.
• Experience with Git and CI/CD.
• Experience with automated testing.
• Strong understanding of software design principles and clean code.
• Experience working in Agile/Scrum teams.

Good to Have

• AWS cloud experience.
• Docker and Kubernetes.
• Kafka / RabbitMQ.
• Redis.
• Microservices architecture.
• GraphQL.
• Terraform.
• Serverless architecture.
• Event-driven architecture.
• Experience with FinTech / Banking / Financial Services.
• Experience working with high-volume transactional applications.

Preferred Technology Stack:

Key Deliverables

• Deliver high-quality full-stack features within agreed timelines.
• Build scalable Node.js backend services and REST APIs.
• Develop reusable and maintainable React components.
• Improve application performance and reliability.
• Maintain high unit and integration test coverage.
• Participate actively in code reviews and technical design discussions.
• Follow engineering and coding standards.
• Contribute to CI/CD automation and release quality.
• Troubleshoot and resolve production issues.
• Collaborate effectively with cross-functional teams.

Senior-Level Expectations

• Take ownership of complex features from design through production.
• Participate in architecture and technical design discussions.
• Identify technical risks and propose appropriate solutions.
• Mentor junior and mid-level engineers.
• Conduct effective code reviews.
• Drive improvements in code quality, performance and engineering practices.
• Work independently on complex technical problems.
• Communicate technical concepts effectively with both technical and non-technical stakeholders.

Soft Skills

• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills.
• Strong ownership and accountability.
• Ability to work effectively in a distributed Agile team.
• Good stakeholder-management skills.
• Strong focus on quality and continuous improvement.
• Ability to mentor and guide other engineers.

Education

Location

Notice Period