Senior Software Engineer/Senior AI Developer (Node.js, Typescript)

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:

The Integrations Team is expanding and seeking a Senior AI Developer to focus on managing and building high-level integrations across our platform. This role involves working at the intersection of core product functionality and advanced AI services, specifically focusing on integrating cutting-edge AI features into our existing 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:

• Advanced TypeScript knowledge and proven NodeJS experience
• Proven experience with CI/CD and Docker
• Proven experience with relational and non-relational databases
• Experience with observability and monitoring
• 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

Nice to Have:

• Experience with Rust or Python
• Data Integration: Snowflake/SQL, Text2SQL tools
• Experience working in both high volatility (startup) and bigger organization environments
• AI System Observability: Debugging non-deterministic behavior, agent tracing
• LLM Orchestration: Tool/API integration, streaming responses

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

Sauce Labs is proud to be an Equal Opportunity employee 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.

The compensation range provided below represents the base salary only for a Full-time Employment contract (umowa o pracę) and excludes fringe benefits, potential bonuses, or stock-based compensation (equity). Your individual offer will be determined based on factors such as skills, education, professional experience, and internal equity (alignment with similarly situated team members at Sauce Labs).

Benefits and Perks that we offer include but are not limited to: wellness benefit, commuter benefit, WFH stipend, professional development budget, pension Program (PPK). There is no collective agreement in force at the workplace.  To see more about benefits and perks at Sauce Labs, please check out our careers page at saucelabs.com/company/careers.

Poland Compensation Range

28 500 zł—32 800 zł PLN