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For Companies At a Glance
- Tasks: Join us to tackle complex data challenges and improve our core product.
- Company: Jelly is revolutionising food business operations with a profitable SaaS solution.
- Benefits: Enjoy 33 days holiday, hybrid work, equity options, and team dinners at restaurants.
- Why this job: Be part of a growing company where your contributions directly impact users and outcomes.
- Qualifications: Proficient in TypeScript, NodeJS, and experienced with serverless infrastructure and databases.
- Other info: Visa sponsorship available; apply by sharing a real data tradeoff you've made.
The predicted salary is between 60000 - 84000 £ per year.
Profitable VC-backed SMB SaaS | 1–3 % equity | UK visa sponsor | Build core product used by 500+ restaurants
About Jelly
Jelly is rebuilding the operating system for food businesses from the ground up. Kitchens in Michelin stars, pubs, cafes and hotels still run core ops on pen & paper; we give them a modern operating system. 500 + sites use Jelly today and we’re profitable.
Why Now
Jelly’s profitable and demand is outpacing what we can ship. We’re investing in stronger foundations to unlock more velocity, but we’re stretched. This is the moment for you to help us move faster, raise the bar, and shape how we build as we grow.
The Mission
Take real ownership, work with the founder and engineering team to tackle complex data challenges at the heart of our product, improving the product and the codebase as we scale.
You’ll Work With
- Founder (product)
- Engineers (shipping code)
- Part-time Designer (UI/UX)
- Customer Success Manager (Insight)
You might be a fit if
- You’ve shipped real things and dealt with their consequences
- You’ve worked in small teams and like solving problems end to end
- You know when to refactor and when to move on
- You care about users and outcomes more than abstractions
- You want to grow with a company, not just do a tour of duty
What You’ll Get
- Real ownership from day one
- £70–90k depending on experience
- Significant equity (1–3 %) and long-term career upside
- A culture that values engineers, with protected time for cleanup and craft
- 1-on-1 with founder; access to roadmaps
- 33 days holiday, Hybrid London (Bank), Visa sponsorship available
- Fortnightly team dinners at customer restaurants
Minimum requirements:
- Proficient in TypeScript and NodeJS
- Strong experience with containerised and serverless infrastructure (e.g. ECS, Lambda)
- Confident working with GraphQL APIs, performance optimisation, and data design
- Expertise in relational databases, especially PostgreSQL, including performance tuning
- Exposure to or interest in AI technologies, including personal or side projects
Bonus preferences:
- PostgreSQL features, triggers and stored procedures.
- Experience with strictly typed languages such as GoLang.
- Experience with AWS solutions and services including ECS, Lambda and RDS.
- Experience with NoSQL and big data.
- Experience with Nexus GraphQL.
- Implementing AI APIs in an ETL pipeline or similar workflows
Interview process
- Stage 1: Quick intro call with founder (15min)
- Stage 2: Technical interview (2 hours) on a real problem
- Stage 3: Conversation with team + founder (2hrs)
Apply here or DM me (JJ) on WhatsApp +447855553652 with a real data or system tradeoff you’ve made under pressure and what you’d do differently now.
Contact Detail:
Jelly Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend Engineer - Profitable SaaS | TypeScript, NodeJS, AWS
✨Tip Number 1
Familiarise yourself with Jelly's mission and the specific challenges they face in the food industry. Understanding their product and how it impacts users will help you articulate your thoughts during the interview, showing that you're genuinely interested in contributing to their goals.
✨Tip Number 2
Prepare to discuss your past experiences with TypeScript and NodeJS, particularly any projects where you've had to make critical decisions under pressure. Be ready to share specific examples of how you've tackled complex data challenges, as this aligns closely with what Jelly is looking for.
✨Tip Number 3
Since the role involves working with AWS and containerised infrastructure, brush up on your knowledge of these technologies. Consider preparing a mini-project or case study that demonstrates your expertise in these areas, which can serve as a great talking point during your interviews.
✨Tip Number 4
Engage with the Jelly community or similar SaaS forums to gain insights into current trends and challenges in the industry. This will not only enhance your understanding but also provide you with relevant topics to discuss during your conversations with the team and founder.
We think you need these skills to ace Senior Backend Engineer - Profitable SaaS | TypeScript, NodeJS, AWS
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with TypeScript, NodeJS, and AWS. Include specific projects where you've tackled complex data challenges or worked in small teams, as these are key aspects Jelly is looking for.
Craft a Compelling Cover Letter: In your cover letter, express your passion for building products that improve user outcomes. Mention any relevant experience with containerised infrastructure and GraphQL APIs, and how you can contribute to Jelly's mission.
Showcase Relevant Projects: If you have personal or side projects related to AI technologies or performance optimisation, be sure to mention them. This will demonstrate your proactive approach and interest in the field.
Prepare for Technical Interviews: Review your past experiences with real data or system trade-offs. Be ready to discuss these during the technical interview stage, as Jelly values candidates who can reflect on their decisions and learn from them.
How to prepare for a job interview at Jelly
✨Showcase Your Technical Skills
Be prepared to discuss your proficiency in TypeScript and NodeJS. Highlight specific projects where you've used these technologies, especially in a containerised or serverless environment. This will demonstrate your hands-on experience and ability to tackle real-world problems.
✨Prepare for Technical Challenges
Since the technical interview involves solving a real problem, practice coding challenges that focus on performance optimisation and data design. Familiarise yourself with GraphQL APIs and relational databases like PostgreSQL, as these are crucial for the role.
✨Understand the Company’s Mission
Research Jelly's mission to rebuild the operating system for food businesses. Be ready to discuss how your skills can contribute to this goal and share any relevant experiences that align with their vision of improving product and codebase as they scale.
✨Engage with the Team
During the conversation with the team and founder, show genuine interest in their work and culture. Ask insightful questions about their current challenges and how you can help. This will not only demonstrate your enthusiasm but also your willingness to collaborate and grow with the company.
