Senior Database Developer (MongoDB)

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 Database Engineer

Eurofins IT Solutions, Bengaluru, Karnataka, India

With 36 facilities worldwide, Eurofins BioPharma Product Testing (BPT) is the largest network of bio/pharmaceutical GMP product testing laboratories providing comprehensive laboratory services for the world's largest pharmaceutical, biopharmaceutical, and medical device companies.

BPT is enabled by global engineering teams working on next-generation applications and Laboratory Information Management Systems (LIMS). As a Senior Software Engineer with specialized knowledge in Azure Cosmos DB and MongoDB, you will be a crucial part of our delivery team, ensuring the product features are completely automated and reducing the idea to live time to Business. This is a database-focused engineering role, ideal for someone who excels at designing, managing, and optimizing document-based, distributed databases in large-scale, cloud-native systems. As a technology leader, BPT wants to give you the opportunity not just to accept new challenges and opportunities but to impress with your ingenuity, focus, attention to detail and collaboration with a global team of professionals.

This role reports to a Manager.

Required Experience and Skills

Experience:

• 5-8 years in database engineering, architecture, or backend data systems.
• 3+ years of hands-on experience managing Azure Cosmos DB and MongoDB in production.
• Deep understanding of:
  • Cosmos DB: Partition key design, RU/s provisioning, indexing, consistency models, TTL, and multi-region replication.
  • MongoDB: Replica sets, sharding, indexing strategies, aggregation pipelines, schema optimization, and tuning.
• Proven ability to design for high concurrency, low latency, and multi-tenant SaaS systems.
• Experience with query profiling, performance benchmarking, and monitoring dashboards.

Specific skills required

• Design & Architecture:
  • Architect and implement distributed data models using Cosmos DB (Core SQL or Mongo API) and MongoDB to support large-scale, high-throughput applications.
  • Define partitioning, indexing, and data distribution strategies for optimal scalability and performance.
• Performance Engineering:
  • Conduct deep query analysis, index optimization, and RU/cost optimization in Cosmos DB.
  • Implement profiling, query tuning, and aggregation optimization in MongoDB.
• Automation & Operations:
  • Build automation scripts (Python, PowerShell, Bash) for deployment, monitoring, and scaling.
  • Integrate database monitoring and alerting using Azure Monitor, MongoDB Ops Manager, or similar tools.
• Data Lifecycle Management:
  • Implement and optimize backup/restore, TTL policies, and Change Feed or CDC pipelines.
  • Design and validate disaster recovery, replication, and geo-distribution strategies.
• Collaboration:
  • Partner with development and DevOps teams to design data access layers, API integrations, and IaC templates (Terraform, Bicep, ARM).
  • Contribute to performance reviews, code walkthroughs, and system design discussions.

Desirable Experience

• Experience with data migrations (e.g., Oracle/SQL → MongoDB or Cosmos DB).
• Knowledge of event-driven architectures, microservices, and API-based integrations.
• Familiarity with data security and compliance (encryption, GDPR, HIPAA).
• Exposure to Azure infrastructure, Terraform, or CI/CD data pipelines.
• Awareness of frontend and application integration points (understanding how data models serve APIs/UI layers, Angular).

Additional Skills (Preferred)

• Strong SQL foundation; ability to work with RDBMS systems (SQL Server, PostgreSQL, MySQL) and evaluate relational vs. document model trade-offs.
• Familiarity with backend stacks (.NET, Java, Node.js) for integration and troubleshooting.
• Experience with Infrastructure as Code (Terraform, Bicep, ARM templates).
• Scripting proficiency in Python, PowerShell, or Bash for automation.
• Certifications (preferred):
  • Microsoft Certified: Azure Cosmos DB Developer Associate
  • MongoDB Certified Developer/DBA
• Exposure to data lakes, analytical processing, or data warehousing concepts is a plus.

Required Qualifications:

• Bachelors in Engineering, Computer Science or equivalent.
• Demonstrated experience with Cosmos DB and/or MongoDB at scale
• Strong foundation in distributed systems, NoSQL principles, and data architecture

Personal Skills:

• Excellent analytical and problem solving skills
• Excellent verbal and written communication skills
• Ability to articulate and present different points-of-views on various topics related to project and otherwise.
• Eager to learn and continuously develop personal and technical capabilities.

Required Qualifications:

• MCA or Bachelors in Engineering, Computer Science or equivalent.

PERFORMANCE APPRAISAL CRITERIA: Eurofins has a strong focus on Performance Management system. This includes quarterly calibrations, half-yearly reviews and annual reviews. The KPIs shall be set and may vary slightly between projects. These will be clearly communicated, documented during the first 30 days of your joining.