Software Developer in Test (SDET)

R Three; Mumbai; On-site; INR 1,000,000 - 1,500,000; Full time

Benefits offered by this job

Opportunities to mentor junior team members

Fast-paced collaborative environment

Chance to shape QA best practices

Job summary

A dynamic tech firm in Mumbai is seeking a Senior QA SDET who will lead the design and implementation of automated testing solutions across APIs, UI, and backend components. The ideal candidate should have 4-6 years of experience in test automation, solid coding skills in Java or Kotlin, and proficiency in tools like Selenium and Jenkins. This role involves mentoring junior engineers and collaborating within an Agile team to ensure quality and timely releases.

Qualifications

• 4-6 years of hands-on experience in test automation and manual QA roles.
• Experience with cloud-native architectures and microservices.
• Strong analytical and problem-solving abilities.

Responsibilities

• Lead the design and maintenance of automated test cases and frameworks.
• Champion quality practices within the team.
• Drive testing strategies across services and microservices.

Skills

Test automation

Problem-solving capabilities

Communication skills

Collaboration

Coding in Java or Kotlin

Tools

Selenium

REST Assured

CI/CD (Jenkins, GitHub Actions)

Docker

Kubernetes

Job description

At R3, we are building the on-ramp for the next trillion dollars of assets to moveon-chain, bridging the worlds of traditional finance (TradFi) and decentralized finance (DeFi). We arelaunching 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.

Responsibilities

• 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

Required Skills & Experience

• 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
• Proficient in using test automation frameworks and tools such as:
• UI Testing: Selenium, Cypress, Appium
• API Testing: REST Assured, Postman, SoapUI
• BDD Tools: Cucumber, Serenity
• Database Testing
• 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

Nice to Haves

• 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

What You'll Gain

• A chance to work with a challenging product in the DLT domain
• 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