Marketing/Content Designer

Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny. We’ve raised over $100M from world-class investors including Index Ventures, Accel, GV, and Boldstart, and this year we were ranked #2 in Sifted EU’s B2B SaaS Rising 100 and #20 in Sifted's AI 100.

At Tessl, we believe AI is transforming software development. AI Native Developers will define features, architecture, and workflows in specs, not code, guiding the work of AI agents. We’re building the pioneering platform for this new paradigm and leading the developer movement and ecosystem around it.

Joining Tessl means becoming an early team member with the opportunity to shape the future of how software is created and maintained.

We’re looking for a Marketing Designer to support day-to-day design across Tessl and our community brand, AI Native Dev.

This is a hands-on, production-heavy role. You’ll be responsible for creating high-quality visual assets across content, social, events, and sales, helping our ideas ship consistently, on time, and at a high bar.

• Design blog thumbnails and featured images

• Create podcast thumbnails

• Support long-form content with diagrams, illustrations, and visual callouts

• Adapt assets for different platforms and formats

• Design social media assets for LinkedIn, X and community channels

• Create templates for recurring content and campaigns

• Support announcements, launches, event promotion, and community updates

• Ensure assets are consistent, clear, and optimised for each platform

• Design event collateral including: Pop-up banners and signage, presentation decks and slide templates, digital screens and on-site visuals

• Design conference booth creative and merchandise

• Design sales decks and one-pagers

• Support case studies, solution briefs, and product explainers

• Create digital assets for: Campaigns and launches, email headers and visuals, landing pages (visual design only)

• Maintain and evolve shared templates and asset libraries

• 3–5 years experience as a marketing or digital designer

• Strong portfolio showing execution across content, social, events, and marketing collateral

• Experience designing for developer or technical audiences

• Confident working within an established brand system and creative direction

• Excellent layout, typography, and visual hierarchy skills

• Comfortable juggling multiple requests and deadlines

• Strong attention to detail and production quality

• Able to take briefs and turn them into clear, effective visuals with minimal oversight

• Collaborative, communicative, and feedback-friendly

• Familiarity with B2B SaaS or product-led companies

• Experience supporting events, conferences, or community-led brands

• Light motion skills (simple animations, social motion, or video thumbnails)

• Illustration or diagramming skills for technical concepts

• Strong working knowledge of Figma (required)

• Experience with Adobe Creative Suite (Illustrator, Photoshop, InDesign)

• Comfortable working closely with marketing, community, and growth teams

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.

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.

Here’s an outline of what you can expect during our interview process:

1. Introductory call with Tessl People Team

2. Portfolio Review with Designer(s)

3. Case study / white boarding

4. Meet with Head of Marketing

5. Leadership discussion with CEO

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!

• Announcing Tessl's Products to Unlock the Power of Agents

• On the Podcast: Revolutionising Spec-Driven Development with Tessl’s Framework & Registry

• Announcing Our $125M Series A for AI Native Software Development