Member of Technical Staff - Software Engineer

About the role

Tessl is building the context layer for AI coding agents and a platform for AI-native software development. As a Software Engineer, you will join the engineering team to build real-time AI-native workflows, tooling, and interfaces that reshape how developers create and maintain software. You will be a versatile and independent contributor working in a fast-paced, high-trust environment.

Responsibilities

• Design and implement new functionality in collaboration with the product team
• Develop proof of concepts to showcase innovative ideas
• Rapidly prototype new language integrations for code generation pipelines
• Collaborate with designers to refine UI and CLI interactions
• Integrate third-party services to support core capabilities
• Plan architecture to support platform-wide collaboration
• Establish end-to-end testing strategies for production deployments
• Share technical vision for new product capabilities with the engineering team

Required skills

• Software Engineering
• AI coding tools
• Prototyping
• CI/CD
• System architecture

Nice to have

• AI products
• Developer tools
• JavaScript
• TypeScript
• Python
• C
• C++
• Haskell
• REST APIs
• Kubernetes

Qualifications

• 5+ years of experience as a Software Engineer or equivalent practical experience

Benefits

• 25 days holiday
• Health insurance
• Dental insurance
• Vision insurance
• Company-matched pension
• Commuting stipend
• Cycle to work scheme
• Catering
• Social events

About the Company

Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny. The company is building the context layer for AI coding agents and a platform for AI-native software development.