Lead Java Engineer
Thermo Fisher Scientific10 hours ago
Bengaluru, IndiaStaff+
Responsibilities
- Design, develop, and maintain scalable backend applications and services using Java and Spring Boot.
- Define backend design principles, coding standards, API contracts, and engineering best practices.
- Design secure and reliable APIs, including request/response models, error handling, and versioning strategies.
- Design database models, optimize queries and indexing, and develop data-access layers.
- Integrate applications with databases, third-party services, enterprise platforms, and internal and external systems.
- Develop reusable backend components, libraries, and common services while ensuring performance, scalability, availability, security, and maintainability.
- Identify and resolve complex application, API, database, and integration issues.
- Conduct code reviews and promote secure coding and software engineering standards.
- Collaborate with frontend developers, technical leads, product owners, QA engineers, DevOps teams, and other stakeholders.
- Participate in technical design, solution reviews, estimation, and implementation planning.
- Mentor backend developers and provide technical guidance.
- Improve automated testing, build processes, CI/CD, deployment, and observability practices.
Requirements
- 4–6 years of overall software development experience with significant backend application development experience.
- Strong hands-on expertise in Java, object-oriented programming, Spring Boot, and the broader Spring ecosystem.
- Strong experience designing RESTful APIs and backend services, including HTTP standards, authentication, authorization, and error handling.
- Experience with database design, data modeling, normalization, SQL, query optimization, and relational databases such as Oracle, PostgreSQL, MySQL, or SQL Server.
- Experience with ORM and persistence frameworks such as Spring Data JPA or Hibernate.
- Understanding of backend integration patterns, enterprise application integration, concurrency, multithreading, asynchronous processing, and transaction management.
- Experience developing modular, reusable, and maintainable backend components and secure APIs.
- Familiarity with unit, integration, and automated testing frameworks and source control systems such as Git.
- Understanding of CI/CD pipelines and modern software development practices.
- Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related discipline.
- Preferred qualifications include experience with enterprise applications, distributed systems, microservices, Kafka, RabbitMQ, JMS, Redis, OpenAPI/Swagger, Docker, Kubernetes, AWS, Azure, Google Cloud, observability, JUnit, and Mockito.
- Strong problem-solving, communication, ownership, technical leadership, mentoring, and collaboration skills.
Benefits
- Standard Monday–Friday work schedule.
- Office-based work environment.
- Opportunity to contribute to software supporting scientific discovery, healthcare, environmental protection, and advanced materials.
Tech Stack
Apache KafkaAWSAzureDockerGitGoogle CloudJavaJUnitKubernetesMicrosoft SQL ServerMySQLPostgreSQLRabbitMQRedisSpring BootSQL
Categories
About Thermo Fisher Scientific
Thermo Fisher Scientific builds analytical instruments, lab equipment and consumables, specialty diagnostics, and provides pharma services (CDMO and clinical research) for biotech, pharma, academic, and healthcare customers. It earns revenue through product sales, e-commerce distribution (Fisher Scientific), and contract services under brands such as Thermo Scientific, Applied Biosystems, Invitrogen, Patheon, and PPD. Headquartered in Waltham, MA, it is publicly traded on the NYSE (TMO) and was created by the 2006 merger of Thermo Electron and Fisher Scientific.