Senior Software Engineer (node.js)

Saucelabs

Gurgaon, India (India) permanent

Posted: February 12, 2026

Job Description

Location Preference: National Capital Region, New Delhi

This is an in office position 5 days a week.

About Us:

At Sauce Labs, we empower the world's top enterprises - like Walmart, Bank of America, and Indeed - to deliver quality web and mobile applications at speed. Our industry-leading platform ensures continuous quality across the SDLC, using AI-powered analytics to identify key quality signals from development through production. With our unified solution, teams can release and innovate with confidence, knowing their apps will always look, function, and perform exactly as they should. Backed by TPG and Riverwood Capital, we are shaping the future of digital confidence - join us!

The Role:

BuildIQ is seeking a Senior NodeJS Engineer with expert-level TypeScript skills to build and scale modern, high-performance services. You will be responsible for the development of Visual and AI for Authoring, ensuring it meets the highest standards and architectural integrity. In this role, you will bridge complex backend logic with seamless performance to drive the next generation of our product ecosystem.

Responsibilities:

• Maintain applications written in high-level programming languages such as NodeJS in TypeScript.

• Strive for constant improvement and contribute to the power of our agile development culture

• Collaborate with other teams on building our platform

• Participate in on-call rotations to help teams troubleshoot urgent customer-facing problems and other engineering issues

Required Skills:

• Good Experience with TypeScript (NodeJS)

• Experience with CI/CD and Docker

• Experience with relational or non-relational databases

• Experience with observability and monitoring

Nice to Have:

• Experience with Rust or Go

• Experience with other high level programming languages like Java or C#

• Experience working in both high volatility (startup) and bigger organization environments

• LLM Agent Development: LangChain/similar frameworks + tool development (MCP, function calling)

• Agent Communication Protocols: MCP and/or A2A patterns

• Prompt Engineering: System prompt design, optimization, output validation

• Managed LLM Services: GCP Vertex AI, AWS Bedrock, or Azure OpenAI

Please note our privacy terms when applying for a job at Sauce Labs.

Sauce Labs is proud to be an Equal Opportunity employer and values diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender identity/expression/status, sexual orientation, age, marital status, veteran status or disability status.

Security responsibilities at Sauce

At Sauce, we will commit to supporting the health and safety of employees and properties, partnering with internal stakeholders to learn and act on ever-evolving security protocols and procedures. You’ll be expected to fully comply with all policies and procedures related to security at the department and org wide level and exercise a ‘security first’ approach to how we design, build & run our products and services.

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