Principal Software Engineer (Java Full stack)

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Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely on, Eurofins laboratories work with the biggest companies in the world to ensure the products they supply are safe, their ingredients are authentic and labelling is accurate. The Eurofins network of companies believes that it is a global leader in food, environment, pharmaceutical and cosmetic product testing and in discovery pharmacology, forensics, advanced material sciences and AgroScience contract research services. It is also one of the market leaders in certain testing and laboratory services for genomics, and in the support of clinical studies, as well as in biopharma contract development and manufacturing. It also has a rapidly developing presence in highly specialised and molecular clinical diagnostic testing and in-vitro diagnostic products. In over 37 years, Eurofins has grown from one laboratory in Nantes, France to over 65,000 staff across a decentralised and entrepreneurial network of more than 950 laboratories in over 1,000 companies across 59 countries. Eurofins companies offer a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin, traceability and purity of biological substances and products. In 2024, Eurofins generated total revenues of EUR 6.95 billion; and has been among the best performing stocks in Europe over the past 20 years. Senior Software Engineer - Java Eurofins IT Solutions, Bengaluru, Karnataka, India With facilities in Europe, the United States, and Asia, Eurofins Genomics is an internationally leading provider of DNA sequencing services, genotyping services, DNA synthesis products, and bioinformatics services for pharmaceutical, diagnostics, food, agriculture, biotechnology, and research markets. The Genomics business is powered by global engineering teams building and evolving next-generation applications, Laboratory Information Management Systems (LIMS), customer portals, and enterprise platforms. As a Principal Software Engineer - Java, you will play a critical hands-on role in designing, developing, and modernizing these platforms, ensuring they are scalable, performant, and reliable. This role requires deep Java expertise, strong design and problem-solving skills, and the ability to influence engineering direction through code, architecture contributions, and technical mentoring. You will work closely with engineering, architecture, DevOps, QA, and product teams to deliver high-quality solutions aligned with business and technology goals. This role reports to a Project Manager / Senior Manager. Primary Responsibilities Own and drive hands-on design and development of complex, enterprise-scale Java applications. Lead technical direction for modules or subsystems while remaining actively involved in implementation. Support modernization initiatives, including migration from legacy or monolithic systems to modern architectures. Act as a technical mentor and role model for engineers across teams. Ensure solutions meet performance, scalability, security, and maintainability expectations. Collaborate closely with product, QA, DevOps, and architecture teams to deliver end-to-end solutions. Specific Assignments: Software Engineering & Development Design, develop, and maintain backend and full-stack features using Java, Spring Boot, REST APIs, and relational databases. Support modernization of legacy Java applications to modern, cloud-ready architectures. Build modular services and support microservices-based designs where applicable. Design and integrate RESTful APIs, backend services, and data models. Support UI teams building Angular or React frontends by providing robust backend APIs. Implement high-performance data processing and integration logic for analytical workflows. Design Apply object-oriented design principles and design patterns (SOLID, OOP, layered / hexagonal architecture). Contribute to application and solution architecture discussions. Perform technical trade-off analysis and guide design decisions. Ensure clean, extensible, and maintainable codebases. Quality, Performance & Reliability Ensure high code quality through unit testing, mocking frameworks, and static code analysis. Perform performance profiling, memory analysis, and JVM tuning to resolve bottlenecks. Support performance tuning and stability improvements in production environments. Work closely with QA teams to ensure strong test coverage and release quality. Collaboration & Agile Delivery Work within Agile / Scrum teams, contributing to sprint planning, reviews, and retrospectives. Support end-to-end product development, including development, deployment, and maintenance. Collaborate with global teams and stakeholders across r

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