Tessl
Member of Marketing Staff - Marketing Manager (Demand Generation)
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Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny, who previously founded Snyk. We’ve raised more than $100 million from world-class investors, including Index Ventures, Accel, GV and Boldstart. In 2025, Tessl ranked #2 in Sifted’s B2B SaaS Rising 100 and #20 in its AI 100.
We’re building the context layer for AI coding agents and a platform for AI-native software development. As an early member of the team, you’ll help shape how we build and scale a company operating at the forefront of AI and software development.
About the Role
We’re hiring a Demand Generation Manager to build and scale Tessl’s growth engine.
You’ll own pipeline creation across channels — from experimentation to execution. This is a hands-on, data-driven individual contributor role focused on building repeatable, measurable demand in a developer-first market.
You’ll work closely with Product Marketing, Content, and Sales to ensure we’re attracting the right audiences and converting attention into high-quality pipeline.
If you love testing hypotheses, building systems from scratch, and turning signal into scalable growth, this role is for you.
What You’ll Do
Pipeline Strategy & Execution
- Own demand generation strategy across paid, organic, partnerships, and community channels
- Build and optimise multi-channel campaigns aligned to product launches and GTM priorities
- Drive MQL → SQL pipeline growth with clear attribution and reporting
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Experimentation & Optimisation
- Run rapid growth experiments across paid media, landing pages, email, and content distribution
- Manage budget allocation across channels based on performance
- Improve conversion rates across the funnel
Performance & Analytics
- Define and track core growth metrics (CAC, CPL, conversion rates, pipeline contribution)
- Build dashboards and reporting frameworks
- Use data to continuously refine strategy
Cross-Functional Collaboration
- Partner with Product Marketing on launch amplification
- Align with Sales on ICP targeting and pipeline quality
- Work with Content to maximise distribution and reach
What We’re Looking For
Must have:
- 4–8+ years in demand generation or growth marketing (B2B SaaS preferred)
- Experience owning paid acquisition and multi-channel campaigns
- Strong analytical skills and comfort with attribution models
- Demonstrated success building pipeline in early-stage or high-growth environments
- Bias for action and experimentation mindset
Nice to have:
- Experience marketing to developers or technical audiences
- Familiarity with PLG + sales-assisted hybrid funnels
- Experience with marketing automation and CRM tooling (e.g. HubSpot, Salesforce)
Salary and benefits
Office: Our brand new 10,000 sq. ft office is in the AI hub of Kings Cross, London. We have generous catering and have regular social events such as team lunches, drinks and more. We require all staff to be in our London HQ at least 3 days a week on our anchor days of Monday, Tuesday and Thursday.
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Salary: We offer a competitive salary based on experience and skills, benchmarked against industry standards.
Benefits: 25 days holiday, health insurance, including dental and vision, which extends to partners and dependents, as well as a company-matched pension. We also provide a commuting stipend for those who live outside London, and a cycle to work scheme.
Application Process
- Introductory call
- Hiring manager interview
- Practical growth case discussion
- Cross-functional interviews
- Final conversation with leadership
If you’re excited about building demand for a category-defining AI product, we’d love to hear from you.
We care deeply about the warm, inclusive environment we’re building at Tessl and we value diversity – we welcome applications from those typically underrepresented in tech. If you like the sound of this role but are not totally sure whether you’re the right person, do apply anyway!
Learn how we think and work
On Tessl, The AI Native Development Startup
Announcing skills on Tessl: the package manager for agent skills
Podcast Episode: The End of Fragmented Agent Context, Guy Podjarny Tessl CEO
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