Senior Software Engineer - Microservices

BT Group; Bengaluru; On-site; INR 2,800,000 - 4,800,000; Full time

Job summary

BT Group is seeking a Senior Software Engineer in Bengaluru to define and drive enterprise microservice strategy while developing and maintaining Spring Boot-based microservices. You will lead a small team, ensure code quality, and collaborate with design, business owners, and infrastructure teams to deliver scalable solutions.

The role emphasizes cloud deployment, modern development practices, and strong API knowledge.

Qualifications

• 8+ years hands-on experience with Java-based applications, preferably Spring/Spring Boot microservices.
• Strong OOAD and design pattern knowledge.
• Experience deploying microservices on prem, hybrid and cloud.
• REST/SOAP/GraphQL, JSON marshalling/unmarshalling with Jackson/GSON.
• CI/CD pipelines with Jenkins/GitLab-CI; monitoring and security fundamentals.

Responsibilities

• Define enterprise microservice strategy and drive best practices.
• Mentor a small team to deliver technical solutions.
• Develop and maintain Spring Boot microservices and cloud deployments.
• Ensure code quality, performance, security, and scalability.
• Collaborate with design, infra, and business stakeholders.

Skills

Java

Spring Boot

Microservices

Cloud AWS

Docker

Kubernetes

REST

JSON / Jackson

Education

Bachelor's degree in Computer Science or equivalent

Tools

Jira

GitLab-CI

Jenkins

Maven

Postman

SonarQube

Job description

Software Engineering Professional Recruiter: Seema Shivakumar Hiring Manager: Arup Sinha Career Grade: E

About the role

The successful candidate will be responsible for defining enterprise level Micro Service strategy. Candidate will also be supporting design, development, and maintaining the code quality. Candidate should be able to manage a small team to manage technical delivery. This includes, but is not limited to, providing designs and development of spring boot based microservices, core Java with sound understanding of multi-threading. Providing expert troubleshooting of application issues, interfacing effectively with E2E Designers, business owners, and infrastructure engineers, following and enforcing policy, and creating documentation for changes

What you’ll be doing

• Defining the enterprise level Micro Service build and maintenance strategy, implement best practices, drive adoption.
• Hands on maintenance of enterprise level Micro Service platform infrastructure and manage operational efficiency.
• work with stake holder and understand business requirement.
• Perform Enterprise level Micro Service design and deployment on cloud platforms.
• Work in Agile development, application design, software development, and testing.
• Work on with Docker, Kubernetes for software development & deployment
• take up responsibility and drive the assignments.
• Actively define solution, which includes evaluation, selection, and integration of necessary technical components to create solution designs that support the defined functional and non-functional requirements.
• Ensure that the designed/reviewed solutions conform to architectural requirements such as scalability, maintainability, reliability, extensibility, usability and security.
• Ability to communicate with the business owners, understand business requirement and converting those to technical specification.
• Analyse and solve problems and test a wide array of application changes.
• Analyse the impact of decisions before execution.
• Debugging of the code

Essential Skills / Experience

• Min 8+ Years of hands-on experience on java-based application, preferably spring / spring boot based micro service.
• Experience on micro service development using spring boot, core java.
• Should have sound understanding of OOAD (Object Oriented Analysis & Design) & Design patterns.
• Strong experience in setting and running spring boot based micro services on prem, hybrid and cloud
• Micro Services using REST, SOAP, GraphQL methodology.
• Must be good in JSON marshalling, unmarshalling and manipulation using various libraries like GSON, Jackson.
• Should understand usage of maven for building the code.
• Have sound understanding in monitoring, scalability, performance.
• Good understanding about security policies and Authentication and authorization.
• Good understanding of protocols and transport layer security, MTLS, OAuth.
• Good in using design tools for writing HLD & LLDs like Plant UML, graph.io etc.
• Cloud experience on AWS is good to have.
• Have sound knowledge of event driven architecture using SQS, Kafka, Rabit MQ etc.
• Hands-on experience in automated unit testing and related tools, e.g.: Junit, Mockito, postman etc.
• Hands on experience JIRA tool for planning and tracking of the work.
• Knowledge of CI / CD and awareness of tools like Jenkins, Gitlab-CI, SonarQube etc.
• Should be able to learn and pick-up the market trending technologies quickly.
• Thorough understanding of the Software Development Life Cycle and Agile.
• Should be able to adapt AI tools like amazon Q or copilot

Desirable Skills / Experience

• Certification in Core Java
• Good understanding of AWS services
• API catalogue tools Swagger, Open API

BT Group is the UK's leading communications group and the holding company behind some of the country's most recognised brands - including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers. BT Group's role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive. Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next - simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best. We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country's most important companies.

Experience Level Senior Level