Senior Full Stack Engineer (Java / Node.js / AWS)

Mphasis Ltd; Bengaluru; On-site; INR 3,200,000 - 4,600,000; Full time

Job summary

Mphasis Ltd in Bengaluru seeks a Senior Full Stack Engineer with strong hands‑on expertise in Java, Node.js, and AWS to design, develop, and operate scalable applications across frontend, backend, and cloud infrastructure.

The role emphasizes building microservices and SOA‑based systems, delivering REST APIs, and applying modern frontend frameworks such as React, Angular, or Vue, with a focus on production‑grade code and end‑to‑end ownership.

Qualifications

• Strong hands‑on experience in Java, Node.js, and AWS cloud technologies.
• Experience building microservices, REST APIs, and SOA‑based systems.
• Proficiency with modern frontend frameworks (React/Angular/Vue).
• Experience with AWS CDK, CloudFormation, Lambda, and Docker in production.
• Experience with MongoDB in AWS environments and CI/CD pipelines.

Responsibilities

• Develop amazingly efficient software using Java, Node.js, and microservices.
• Enhance on‑prem and PAAS apps and rework to AWS within project timelines.
• Design and implement serverless patterns from containerized apps.
• Create APIs and manage connectivity, routing, and policy.
• Design architecture patterns for SLA, reliability, and cost.
• Lead code reviews and promote TDD/BDD and test automation.
• Drive performance, monitoring, and cost optimization.
• Ensure security standards and privacy compliance early in development.
• Collaborate in Agile ceremonies and maintain clear communication.
• Provide on‑call support and assist team members as needed.

Skills

Java

Spring Boot

Node.js

REST APIs

Microservices

React

Angular

Vue

AWS CDK

CloudFormation

Lambda

Docker

CI/CD

MongoDB

AWS Architecture

Bedrock AI

Job description

Delivery Module Lead JD Senior Full Stack Engineer (Java / Node.js / AWS ) Key Skills Required: Strong coding in Java (Spring Boot) and Node.js, REST APIs, SOA/microservices, frontend frameworks (React/Angular/Vue), AWS CDK, CloudFormation, Lambda, Docker, CI/CD, MongoDB, AWS architecture, and basic experience with Bedrock/AI integration.

We are looking for a highly skilled Senior Full Stack Engineer with strong hands‑on experience in Java, Node.js, and AWS cloud technologies. The ideal candidate must be an excellent coder and capable of designing, developing, and managing end‑to‑end scalable applications across frontend, backend, and cloud infrastructure. The role requires strong expertise in building microservices and SOA‑based systems, developing REST APIs, and working with modern frontend frameworks like React, Angular, or Vue. On the backend, the candidate should have deep experience with Java (Spring Boot) and Node.js, with strong focus on clean, efficient, and production‑grade code. You must have solid real‑world AWS experience, including designing and deploying cloud‑native applications using AWS CDK (must‑have), CloudFormation (CFT), Lambda, API Gateway, ECS/EKS, and other core AWS services. Strong experience in building and managing Docker containers and images (including Java‑based images) is required, along with CI/CD pipeline implementation. The candidate should also have experience working with MongoDB in AWS environments and be comfortable with microservices, event‑driven architectures, and system integration. Exposure to AWS Bedrock and integrating AI capabilities into applications is highly preferred. We are looking for someone who is not just a developer but also strong in AWS handling, system design, and problem‑solving, with the ability to own and deliver complete solutions independently.

Responsibilities

• Develop amazingly efficient and effective software using Java, C#, Python, .Net, Spring Boot, Microservices, APIs
• Enhance and maintain on prem and internal PAAS applications, and actively rework these to AWS along project timelines
• Help to design and implement serverless patterns from containerized applications
• Build industry standard APIs and help with establishing, consuming & routing calls, connectivity protocols and policy
• Design, develop and implement architecture patterns that are optimized for SLAs, reliability, and cost
• Look upstream and downstream to see around corners and anticipate future consequences for immediate technical choices
• Help to establish and grow a culture of software craftsmanship best practices, including TDD/BDD and Test Automation (both Unit and Integration), Continuous Integration, and Continuous Deployment
• Drive performance improvements including monitoring, detailed metrics, problems, trends, and costs, in order to determine solutions, required process changes, etc. that will make the function more efficient
• Ensure adherence to security standards and compliance with privacy rules and regulations early in the development
• Be aggressive to resolve and prevent technical debt
• Actively engage in Agile software development activities, including sprint planning, daily standups, and retrospectives, with an aim to continuously improve
• Collaborate frequently to share ideas and gain perspective. Communicate critical information in a clear and timely manner, listen to others, and seek clarification to confirm shared understanding
• Initiate and lead code reviews and continuous improvement efforts
• Create usable documentation/playbook(s)
• Effectively analyze tradeoffs between usability and performance needs – communicate these across the team
• Optimize pace and meet deadlines
• Administer product upgrades and patches
• Provide assistance and support other team members where required, including troubleshooting and maintenance of production systems/programs/applications
• 24/7 On-call support rotation function is a component of this role

About Mphasis

Mphasis applies next‑generation technology to help enterprises transform businesses globally. Customer centricity is foundational to Mphasis and is reflected in the Mphasis’ Front2Back Transformation approach. Front2Back Transformation approach uses the exponential power of cloud and cognitive to provide hyper‑personalized (C=X2C2TM=1) digital experience to clients and their end customers. Mphasis’ Service Transformation approach helps ‘shrink the core’ through the application of digital technologies across legacy environments within an enterprise, enabling businesses to stay ahead in a changing world. Mphasis’ core reference architectures and tools, speed and innovation with domain expertise and specialization are key to building strong relationships with marquee clients.

Equal Opportunity Employer

Equal opportunity Employer: Mphasis is an equal opportunity/affirmative action employer. We provide equal employment opportunities to applicants and existing associates and evaluate qualified candidates without regard to race, gender, national origin, ancestry, age, color, religious creed, marital status, genetic information, sexual orientation, gender identity, gender expression, sex (including pregnancy, breast feeding and related medical conditions), mental or physical disability, medical conditions military and veteran status or any other status or condition protected by applicable federal, state, or local laws, governmental regulations and executive orders.