Lead Software Engineer, Modernisation Platform

MongoDB is building a world-class team in India to create tooling that helps customers verify their application and data modernizations. As companies modernize their application and data ecosystems, ensuring functional equivalence and performance is paramount. The tools developed by the Modernization Testing and Verification team are critical in this journey, helping customers with automated testing, functional equivalence, and performance validation by creating frameworks for contract testing, database state-based testing, and leveraging LLMs for unit test generation. We are looking for an experienced Lead Software Engineer with a strong background in building software testkits/frameworks, the Java ecosystem, and team leadership. You will lead a talented team building a complex product suite using a modern stack. The ideal candidate is a hands-on technical leader who can drive architectural decisions, mentor engineers, and collaborate closely with product management to deliver a product that solves our customers' most challenging modernization verification problems, ensuring that new applications have the same functionality and performance as their legacy counterparts. We are looking to speak to candidates who are based in Gurugram for our hybrid working model. The ideal candidate for this role will have 8+ years of commercial software development experience with at least one JVM language such as Java, preferably using the Spring ecosystem 2+ years of experience leading, coaching, and mentoring a team of software engineers to achieve high-impact results Solid experience in software architecture and development Deep expertise in application/database modernization with proven ability to architect and implement frameworks that ensure database state equivalence across different implementations Must understand change data capture, event-driven database interception (MongoDB listeners, RDBMS triggers), and state comparison algorithms with pattern-based exclusions. Strong Spring Boot (or equivalent Java framework), MongoDB (or equivalent), and JDBC/JPA skills required Extensive experience with relational and document data modeling and hands-on experience with at least one SQL database (Postgres, MySQL, etc) and at least one document database (e.g. MongoDB) Good understanding of algorithms, data structures and their time and space complexity Curiosity, a positive attitude, and a drive to continue learning Excellent verbal and written communication skills Position Expectations Provide technical leadership and mentorship to a team of engineers, fostering a culture of innovation, quality, and continuous improvement Drive the architectural vision and long-term technical roadmap for the Modernization Testing and Verification product suite, ensuring it is scalable, reliable, and performant Collaborate closely with Product Managers and other stakeholders to define product features and translate business requirements into robust technical designs Lead the design and implementation of complex, mission-critical components of our automated testing and code verification platform Champion and enforce engineering best practices through design reviews, code reviews, and by setting a high standard for quality and operational excellence Act as a hands-on leader, guiding the team through complex technical challenges and contributing to the codebase where necessary Success Measures Within the first three months, you will have Fully ramped up on our architecture, business domain, and team processes Established yourself as the technical leader within the team, actively driving technical discussions, design reviews, and planning for the product roadmap Begun mentoring team members and building strong collaborative relationships with your product counterparts Within six months, you will have Successfully led the team to deliver a major feature or product release Made significant contributions to the architectural roadmap and started influencing the technical direction of adjacent teams Established a clear rhythm of execution and a high-performing culture within your team Within 12 months, you will have Become recognized as the go-to technical expert for the modernization testing domain at MongoDB Delivered large-scale features across the entire tech stack that have a measurable impact on our customers and business Played a crucial role in recruiting, hiring, and growing the engineering team About MongoDB MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB.