Full Stack Developer

Quest Global

India · Full-time · Not Applicable

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Summary

We are seeking a highly skilled Full Stack Developer to design, develop, and maintain scalable, high-performance web applications and real-time data systems. The role involves building end-to-end solutions across frontend, backend, and streaming pipelines, with a focus on reliability, security, low-latency performance, and technical ownership.

Key Responsibilities

Design, develop, and maintain scalable web applications and services
Build responsive, high-performance frontend applications using modern frameworks
Develop robust backend APIs and services (REST/GraphQL)
Integrate frontend and backend systems to deliver seamless user experiences
Design and optimize database schemas, queries, and indexing strategies
Implement authentication and authorization (JWT, OAuth2, RBAC)
Build real-time data pipelines for ingesting, processing, and visualizing streaming data
Develop event-driven architectures using message brokers and async processing
Integrate third-party APIs, IoT devices, and external services
Ensure application performance, security, and cross-platform compatibility
Implement observability using logging, metrics, and distributed tracing
Optimize systems for latency, throughput, and scalability
Apply fault-tolerance patterns (retry, circuit breaker, graceful degradation)
Write clean, maintainable, and well-documented code
Conduct code reviews, testing, debugging, and troubleshooting
Collaborate with cross-functional teams (UI/UX, product, DevOps)
Deploy applications using CI/CD pipelines to cloud or on-prem environments

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Work Experience

Technical Skills

Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript
Experience with modern frontend frameworks (React / Angular / Vue.js) and state management (Redux, Zustand, Context API)
Knowledge of frontend performance optimization (lazy loading, code splitting, memoization) and browser internals (event loop, rendering lifecycle)
Experience with responsive design, accessibility (a11y), and cross-browser compatibility
Strong backend development experience with Node.js (Express/NestJS), Python (Django/FastAPI/Flask), Java (Spring Boot), or .NET
Expertise in API design (REST/GraphQL), including pagination, filtering, versioning, and rate limiting
Experience with asynchronous programming, concurrency, and event-driven systems
Experience with microservices architecture and service-to-service communication
Hands-on experience with message brokers and streaming platforms (Kafka, RabbitMQ, AWS Kinesis, Pub/Sub)
Understanding of real-time data processing (Kafka Streams, Spark Streaming, Flink) and WebSockets/SSE
Strong experience with relational (PostgreSQL/MySQL) and NoSQL databases (MongoDB/Redis), including data modeling, indexing, and query optimization
Knowledge of caching strategies (Redis, CDN), transactions (ACID), and data partitioning/sharding
Proficiency with Git and version control workflows
Experience with Docker and containerization
Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)
Experience with cloud platforms (AWS, Azure, GCP) and web servers (Nginx)
Knowledge of observability tools (Prometheus, Grafana, ELK, OpenTelemetry)
Understanding of distributed systems concepts (event-driven architecture, CAP theorem, eventual consistency)
Knowledge of scalability techniques (horizontal scaling, load balancing)
Strong understanding of security best practices (OWASP Top 10, JWT, OAuth2, encryption, secure coding)
Experience with testing frameworks (Jest, Mocha, PyTest, Cypress, Playwright) and code quality tools (ESLint, Prettier, SonarQube)
Preferred Qualifications
Experience with Kubernetes and container orchestration
Experience with real-time dashboards and monitoring systems
Familiarity with AI/ML integration (model APIs, inference pipelines)
Experience with IoT or embedded systems integration
Knowledge of time-series and high-frequency data systems

Education & Experience

Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience
Proven experience building and deploying production-grade applications

Key Skills

Ranked by relevance

responsive kafka cloud cicd aws responsive design embedded systems microservices spring boot javascript kubernetes prometheus gitlab ci rabbitmq embedded angular grafana python docker gitlab react nosql redis mocha owasp spark java css git gcp elk

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