R3
Software Developer in Test (SDET) Engineering · R3 Mumbai · Hybrid
Posted on Apr 28, 2026 Apply now Engineering · R3 Mumbai · Hybrid Software Developer in Test (SDET) Join R3 as a Software Developer in Test: lead automated testing across APIs, UI, and microservices; mentor peers; shape quality in a cloud-native DeFi fintech.
At R3, we are building the on-ramp for the next trillion dollars of assets to move on-chain, bridging the worlds of traditional finance (TradFi) and decentralized finance (DeFi). We are launching institutional-grade RWA yield vaults, fully composable and integrated into Solana DeFi.
We are seeking a Senior QA SDET to take a technical leadership role in shaping the quality of R3’s product suite. As part of an agile, cross-functional engineering team, you’ll design and implement robust automated testing solutions across APIs, UI, and backend components. You'll contribute to our automation frameworks, mentor junior team members, and advocate for testability and quality throughout the development lifecycle.
The ideal candidate will bring solid experience in test engineering, a deep understanding of automation best practices, and a proactive mindset when collaborating across teams. Experience working with distributed systems in a cloud-native environment is key whilst financial services experience is a plus.
Lead the design, development, and maintenance of automated test cases and frameworks for functional and non-functional testing
Champion quality practices within the team by advising on testability during design and implementation phases
Drive testing strategies across services, microservices, and UIs for large-scale distributed systems
Collaborate with developers, product managers, and DevOps engineers in Agile ceremonies to ensure test coverage aligns with business needs
Contribute to the test planning and own the execution for assigned features or product areas, ensuring timely and high-quality releases
Log, prioritize, and manage defects using tracking tools like JIRA
Analyse test results, generate quality metrics, and clearly communicate risks and issues
Mentor junior QA engineers and help drive automation best practices across teams
Strong coding skills in Java, Kotlin, or similar languages, with demonstrated experience building maintainable test automation code
4-6 years of hands-on experience in test automation and manual QA roles, ideally in Agile environments
Solid experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions)
Familiarity with cloud-native architectures and container technologies like Docker and Kubernetes
Experience testing in distributed systems and microservice architectures
Strong analytical and problem-solving abilities
Excellent communication and collaboration skills
Exposure to financial services, fintech, or trading system technologies
Experience leading test strategy for medium-to-large projects or components
Familiarity with tools like XRAY, TestRail, Grafana, Kibana, or Prometheus for test management and observability
Understanding of performance, reliability, or security testing approaches
ISTQB/CSTE certification
Opportunities to contribute and shape the test strategy for key product components
The chance to help shape test frameworks and tooling direction
Opportunities to mentor junior team members and contribute to QA best practices
A fast-paced, collaborative team environment with modern DevOps and agile workflows
Department Engineering Role Software Developer In Test (SDET) Locations R3 Mumbai Remote status Hybrid Contact Rhea Beattie Global Talent Acquisition Lead – Operations About R3
Building digital financial markets of tomorrow
R3 leads the world in tokenizing real-world assets and delivering interoperability that bridges $10bn+ in regulated assets with the scale of public blockchains - unlocking compliant, real-world DeFi.
Our solutions are foundational to the evolution of global markets, driving network effects that create lasting value.
Founded in 2014 Co-workers 80+ Engineering · R3 Mumbai · Hybrid Software Developer in Test (SDET) Join R3 as a Software Developer in Test: lead automated testing across APIs, UI, and microservices; mentor peers; shape quality in a cloud-native DeFi fintech. Apply now See more open positions at R3