Senior Java Software Engineer

Thermo Fisher Scientific India Pvt Ltd; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Thermo Fisher Scientific India Pvt Ltd in Bengaluru is seeking an experienced Java Engineer to design, develop, test, and maintain scalable backend services. You will translate complex requirements into robust software, build RESTful APIs, and participate in architecture discussions.

The role emphasizes code quality, security, performance, and collaboration with product, QA, DevOps, and other engineering teams. Mentoring junior engineers and contributing to process improvements are expected.

Qualifications

• Strong Java development experience with Spring and REST APIs.
• Solid understanding of OOP, design patterns and SOLID.
• Experience with SQL databases and ORM frameworks.
• Proficient in unit and integration testing and Agile methods.

Responsibilities

• Design, develop, test, and maintain Java applications and services.
• Translate requirements into scalable software solutions.
• Develop RESTful APIs and backend integrations.
• Participate in architecture discussions and code reviews.
• Improve performance, security, and maintainability.
• Mentor junior engineers and contribute to documentation.

Skills

Java Development

Spring Framework

RESTful APIs

OOP & Design Patterns

SQL Databases

JPA/Hibernate

Unit/Integration Testing

Agile Methodologies

Git & Code Reviews

Security & Auth

Problem Solving

Communication & Collaboration

Independent Ownership

Education

Bachelor’s or Master’s in CS/Engineering

Job description

Engineer III, Software Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description Java Engineer Role overview

We are looking for an experienced Java Engineer with strong expertise in designing and developing scalable, high-quality software applications and backend services. The ideal candidate will bring deep technical knowledge, strong problem-solving skills, and ownership of complex engineering challenges. This role requires a collaborative mindset and a strong focus on software quality, security, performance, scalability, and maintainability, with the ability to deliver robust solutions that meet evolving business and customer needs.

Key Responsibilities

• Design, develop, test, and maintain Java-based applications and services.
• Translate business and technical requirements into scalable software solutions.
• Develop and maintain RESTful APIs and backend integrations.
• Participate in architecture and design discussions.
• Perform code reviews and promote engineering best practices.
• Troubleshoot complex technical issues and support root-cause analysis.
• Write unit, integration, and automated tests.
• Improve application performance, security, scalability, and maintainability.
• Collaborate with product, QA, DevOps, and other engineering teams.
• Mentor junior and mid-level engineers.
• Contribute to technical documentation and continuous process improvement.

Essential Skills and Experience

• Strong experience in Java development.
• Good knowledge of Spring Framework and Spring Boot.
• Experience developing RESTful APIs and backend services.
• Strong understanding of object-oriented programming, design patterns, and SOLID principles.
• Experience with SQL and relational databases such as PostgreSQL, MySQL, or Oracle.
• Experience with JPA, Hibernate, or similar ORM frameworks.
• Strong unit and integration testing experience using JUnit, Mockito, or equivalent tools.
• Good understanding of the software development life cycle and Agile methodologies.
• Experience with Git, code reviews, debugging, and static code analysis.
• Knowledge of application security, authentication, and authorization.
• Strong problem-solving, communication, and collaboration skills.
• Ability to work independently and take ownership of deliverables.

Good to Have Skills

• Experience with microservices and distributed systems.
• Knowledge of Spring Security, Spring Cloud, or reactive programming.
• Experience with Docker, Kubernetes, or cloud platforms.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with messaging systems such as Kafka or RabbitMQ.
• Knowledge of monitoring and observability tools.
• Experience with performance tuning and scalability improvements.
• Familiarity with OpenAPI, Swagger, or GraphQL.
• Working knowledge of HTML5, CSS3, and JavaScript or TypeScript.
• Experience with frontend frameworks such as Angular, React, or Vue.js.
• Experience integrating frontend applications with REST APIs.
• Knowledge of responsive design, accessibility, usability, and web performance best practices.
• Familiarity with UI testing tools such as Cypress, Playwright, or Selenium.
• Experience working in regulated or quality-focused environments.
• Experience mentoring engineers or leading technical initiatives.

Education and Experience

• Bachelor’s or master’s degree in Computer Science, Engineering, or a related field.
• Staff Engineer : Typically 12+ years of relevant software development experience, depending on internal Band 7 expectations.
• Engineer III : Typically 6+ years of relevant software development experience, depending on internal Band 7 expectations.
• Engineer II : Typically 3+ years of relevant software development experience, depending on internal Band 7 expectations.

Core Competencies

• Technical leadership Makes sound technical decisions and guides implementation of complex work.
• Quality mindset Builds reliable, testable, secure, and maintainable software.
• Ownership Drives work from requirements through delivery, support, and improvement.
• Collaboration Works effectively with engineering and cross-functional stakeholders.
• Mentoring Shares knowledge and helps others grow technically.

Experience Level

Senior Level