Lead – Full Stack Web Applications

Mastercard · Pune · 8+ yrs experience · Posted 2026-04-30

Tech stack: AWS, Azure, Django, Docker, Java, JavaScript, Jenkins, Kubernetes, Next.js, Python, React, SQL, Spring Boot, TypeScript

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About the role

Lead – Full Stack Web Applications Role Title: Lead – Full Stack Web Applications
Responsibilities:
- Technical Leadership & Architecture
- Lead end to end solution design, architecture, and implementation of web applications and platform services using Java (Spring Boot) and/or Python (Django / Django REST Framework), along with modern front end frameworks (React, Next.js, TypeScript).
- Define and own system boundaries, API contracts, data models, and non functional requirements, including availability, latency, scalability, resilience, and security.
- Establish and enforce engineering standards across the team, including code quality, branching strategies, peer reviews, documentation, observability, and secure coding practices.
- Full Stack Engineering Delivery
- Design, build, and maintain high quality backend services covering authentication/authorisation, business logic, data access, and third party integrations.
- Develop responsive, high performance front end applications using React/Next.js, modern UI patterns, state management (Redux), and component driven development.
- Design and integrate RESTful APIs, ensuring proper versioning, backward compatibility, and robust error handling.
- Performance, Reliability & Security
- Drive performance optimisation through profiling, caching strategies, database/query optimisation, and efficient rendering techniques.
- Apply secure by design principles, including input validation, dependency hygiene, secrets management, and threat aware development.
- Build and operate production grade observability using logging, metrics, tracing, alerting, and runbooks, improving system reliability and mean time to recovery (MTTR).
- DevOps & Cloud Enablement
- Drive CI/CD automation using Git, Jenkins, and containerised workloads with Docker and Kubernetes.
- Support cloud-native deployments on Azure and/or AWS, including environment configuration, release governance, and operational readiness.
- Quality Engineering & Accessibility
- Ensure strong automated testing practices, including unit and integration testing, with shift left quality and automated quality gates.
- Champion accessibility and responsive design, ensuring compliance with WCAG 2.1 standards (semantic HTML, ARIA, keyboard navigation, contrast, and screen reader compatibility).
- People Leadership & Collaboration
- Mentor and coach engineers through design reviews, code reviews, pairing, and structured growth plans.
- Partner closely with Product, UX, and DevOps/SRE stakeholders to influence roadmaps, plan releases, and manage delivery trade offs.
- Communicate effectively with leadership on delivery progress, risks, technical debt, and investment requirements.
- Required Skills & Technical Proficiency
- Backend & Core Engineering
- Java – Expert
- Spring Boot – Expert
- Python – Good to have
- Django / Django REST Framework – Good to have
- RESTful API design – Strong
- SQL & Relational Databases – Proficient
- Frontend Engineering
- React.js / Next.js – Advanced
- Redux – Strong
- JavaScript – Expert
- TypeScript – Strong
- HTML / CSS – Expert
- DevOps & Platform
- Git & Version Control – Expert
- Docker – Strong
- Kubernetes – Strong
- Jenkins (CI/CD) – Strong
- Azure – Strong
- AWS – Strong
- Quality & Standards
- Unit Testing & Debugging – Proficient
- Accessibility (WCAG 2.1) – Proven experience building responsive, accessible applications
- Gen-AI / AI for Faster, High-Quality Web Platform Delivery
- AI-assisted coding: accelerate feature delivery via code generation, refactoring, and rapid API/UI scaffolding with human review.
- AI-assisted test creation: generate/expand unit, integration, and UI tests; improve edge-case coverage and reduce regression defects.
- AI-driven quality checks: use AI to support PR reviews (readability, security smells, standards), and strengthen CI quality gates.
- Performance optimisation support: assist with profiling insights, query/rendering bottleneck identification, and caching/latency improvements.
Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
- 8+ years of professional software engineering experience with full stack delivery ownership.
- 2+ years in a technical leadership role (Tech Lead, Lead Engineer, or equivalent), mentoring engineers and driving engineering standards.
- Experience with microservices architectures, API governance, schema and versioning strategies, and event driven systems.
- Hands on exposure to security engineering practices, including OWASP principles and dependency management.
- Experience implementing observability and operating production systems at scale.
- Prior experience in payments, financial services, or other highly regulated domains.

Qualifications

- Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
- 8+ years of professional software engineering experience with full stack delivery ownership.
- 2+ years in a technical leadership role (Tech Lead Lead Engineer, or equivalent), mentoring engineers and driving engineering standards.
- Experience with microservices architectures, API governance, schema and versioning strategies, and event driven systems.
- Hands on exposure to security engineering practices, including OWASP principles and dependency management.
- Experience implementing observability and operating production systems at scale.
- Prior experience in payments, financial services, or other highly regulated domains.

Responsibilities

- Technical Leadership & Architecture
- Lead end to end solution design, architecture, and implementation of web applications and platform services using Java (Spring Boot) and/or Python (Django / Django REST Framework), along with modern front end frameworks (React, Next.js, TypeScript).
- Define and own system boundaries, API contracts, data models, and non functional requirements, including availability, latency, scalability, resilience, and security.
- Establish and enforce engineering standards across the team, including code quality, branching strategies, peer reviews, documentation, observability, and secure coding practices.
- Full Stack Engineering Delivery
- Design, build, and maintain high quality backend services covering authentication/authorisation, business logic, data access, and third party integrations.
- Develop responsive, high performance front end applications using React/Next.js, modern UI patterns, state management (Redux), and component driven development.
- Design and integrate RESTful APIs, ensuring proper versioning, backward compatibility, and robust error handling.
- Performance, Reliability & Security
- Drive performance optimisation through profiling, caching strategies, database/query optimisation, and efficient rendering techniques.
- Apply secure by design principles, including input validation, dependency hygiene, secrets management, and threat aware development.
- Build and operate production grade observability using logging, metrics, tracing, alerting, and runbooks, improving system reliability and mean time to recovery (MTTR).
- DevOps & Cloud Enablement
- Drive CI/CD automation using Git, Jenkins, and containerised workloads with Docker and Kubernetes.
- Support cloud-native deployments on Azure and/or AWS, including environment configuration, release governance, and operational readiness.
- Quality Engineering & Accessibility
- Ensure strong automated testing practices, including unit and integration testing, with shift left quality and automated quality gates.
- Champion accessibility and responsive design, ensuring compliance with WCAG 2.1 standards (semantic HTML, ARIA, keyboard navigation, contrast, and screen reader compatibility).
- People Leadership & Collaboration
- Mentor and coach engineers through design reviews, code reviews, pairing, and structured growth plans.
- Partner closely with Product, UX, and DevOps/SRE stakeholders to influence roadmaps, plan releases, and manage delivery trade offs.
- Communicate effectively with leadership on delivery progress, risks, technical debt, and investment requirements.
- Required Skills & Technical Proficiency
- Backend & Core Engineering Java Expert Spring Boot Expert Python
- Good to have
- Django / Django REST Framework
- RESTful API design Strong
- SQL & Relational Databases Proficient Frontend Engineering
- React.js / Next.js Advanced Redux Strong JavaScript Expert TypeScript Strong
- HTML / CSS Expert
- DevOps & Platform
- Git & Version Control Expert Docker Strong Kubernetes Strong Jenkins (CI/CD)
- Strong Azure Strong Strong
- Quality & Standards
- Unit Testing & Debugging Proficient
- Accessibility (WCAG 2.1)
- Proven experience building responsive, accessible applications
- Gen-AI / AI for Faster, High-Quality Web Platform Delivery
- AI-assisted coding: accelerate feature delivery via code generation, refactoring, and rapid API/UI scaffolding with human review.
- AI-assisted test creation: generate/expand unit, integration, and UI tests; improve edge-case coverage and reduce regression defects.
- AI-driven quality checks: use AI to support PR reviews (readability, security smells, standards), and strengthen CI quality gates.
- Performance optimisation support: assist with profiling insights, query/rendering bottleneck identification, and caching/latency improvements.

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