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Member of Technical Staff (Platform Leaning)

TesslLondon OfficeR&D
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
21 Sept 2026
Status
Open · checked 7d ago

About this role

Role Overview

The Member of Technical Staff (Platform Leaning) position at Tessl involves building real-time AI native workflows, tooling, and interfaces that change how developers create and maintain software. This is primarily a product engineering role with a strong platform component, based out of the London office with remote flexibility.

Key Responsibilities

Design and implement new functionality end to end, from initial prototypes to fully scoped production implementations.
Rapidly prototype capabilities to prove or disprove ideas before planning scalable implementations.
Collaborate with designers and engineers to create intuitive experiences and integrate third-party services.
Engage with platform and infrastructure work across AWS, infrastructure-as-code, CI/CD with GitHub Actions, and observability stacks.
Contribute to complex networking and deployment scenarios, such as private connectivity and multi-region setups.
Build or deploy agentic tooling that autonomously manages alerts, diagnostics, and routine system health checks.
Partner with the Infosec team to maintain compliance with ISO 27001 and SOC 2 standards.

Requirements

Proven experience as a Software Engineer, with a preference for TypeScript and Node.
Hands-on experience with platform and infrastructure operations, including Kubernetes, cloud environments, infrastructure-as-code, and CI/CD.
Solid systems and networking fundamentals, including DNS, TLS, VPCs, and firewalls.
Demonstrated use of AI coding tools and agents to accelerate personal workflow and engineering processes.
Ability to thrive in a fast-paced, high-autonomy environment by turning loose requirements into shipped work.

Nice to Have

A habit of self-hosting services, running a homelab, or managing an unprompted Kubernetes cluster.
Production AWS and EKS experience, alongside hands-on work with private connectivity, VPNs, or multi-region architectures.
Experience generating infrastructure evidence for certifications such as ISO 27001 or SOC 2.
Prior success thriving in an early-stage startup environment.

Skills and Tools

AWS and EKS
Kubernetes
TypeScript and Node
Infrastructure-as-Code
GitHub Actions
Observability tools including Dash0, OpenTelemetry, Sentry, and PostHog
Networking fundamentals including DNS, TLS, VPCs, and firewalls

Salary and Benefits

Competitive salary commensurate with experience and skills, alongside employee share options.
25 days of holiday per year.
Comprehensive health insurance covering dental and vision, extending to partners and dependents.
Company-matched pension scheme.
Commuting stipend for those residing outside of London and a cycle-to-work scheme.
Office perks at the Kings Cross London location including catered meals, team lunches, and social events.

About the Company

Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny, who previously founded Snyk. The company has raised over $100 million from prominent investors including Index Ventures, Accel, GV, and Boldstart. Recognized in the tech community, Tessl ranked #2 in Sifted’s B2B SaaS Rising 100 and #20 in its AI 100 in 2025. The organization is building the context layer for AI coding agents and a platform dedicated to AI-native software development.

How to Apply

To apply for this role, please visit the official Tessl careers page to submit your application and view further details regarding the interview process.

Skills and tech stack

AWSKubernetesTypeScript

Questions candidates ask

Where is the Tessl office located?

Tessl's office is located in the AI hub of Kings Cross, London.

What are the in-office requirements for this role?

Staff are required to be in the London headquarters at least 3 days a week on anchor days, which are Monday, Tuesday, and Thursday.

What programming language is preferred for this position?

TypeScript and Node are preferred for this role.

What benefits are included with the position?

Benefits include 25 days of holiday, health insurance covering dental and vision for employees and their dependents, a company-matched pension, a commuting stipend for those living outside London, and a cycle-to-work scheme.

Who founded Tessl?

Tessl was founded by Guy Podjarny, who previously founded Snyk.

Ready to apply?

The application is on the official Tessl careers page.

Apply on company site