At a Glance
- Tasks: Develop and scale innovative features using cutting-edge technologies in a fast-paced environment.
- Company: Join Humaans, a YC-backed AI platform transforming HR tech.
- Benefits: Competitive salary, equity options, top-tier healthcare, and a collaborative culture.
- Other info: Work in a dynamic team prioritising quality and craftsmanship with excellent growth opportunities.
- Why this job: Be at the forefront of AI in HR, shaping product strategy with industry leaders.
- Qualifications: Extensive experience in full-stack development, especially with Node.js and TypeScript.
The predicted salary is between 80000 - 100000 £ per year.
Company Description: Humaans - YC-backed AI platform for workplace orchestration.
Job Description: Join a high-performance team building Athena, an agentic AI layer redefining HR infrastructure. You will own features end-to-end across a modern TypeScript stack, moving beyond simple data management into intelligent orchestration. Working directly with the founders, you’ll solve complex problems for global customers like Poolside and Quantexa in a fast-scaling environment.
Location: London, UK
Why this role is remarkable:
- Work at the forefront of the AI transition in HR tech, building a differentiated platform backed by $20M from the founders of Slack, Figma, and Shopify.
- High-leverage environment where engineers aren't just handed specs; you'll partner with the CEO and Head of Engineering to shape product strategy and technical architecture.
- Exceptional engineering culture with a 5-year equity exercise window, top-tier private healthcare, and a small, elite team that prioritises quality and craftsmanship.
What you will do:
- Develop and scale end-to-end features using TypeScript, React, Node.js, and Postgres, deployed via Kubernetes on Google Cloud Platform.
- Architect and expand a public REST API and real-time WebSocket infrastructure to support a growing marketplace of third-party integrations.
- Collaborate deeply with product and design teams to translate complex workforce data models into reliable, AI-driven automation workflows for global enterprises.
The ideal candidate:
- Extensive industry experience in full-stack SaaS development with deep proficiency in Node.js and a strong appreciation for TypeScript.
- Proven track record of taking ownership of vague product problems and driving them to high-quality, customer-ready releases in a fast-paced startup.
- Strong product sense and design craftsmanship, with the ability to balance technical excellence with pragmatic business trade-offs and user impact.
Required Skills: Full Stack Development, Kubernetes, TypeScript, React, Rest API, SaaS, Google Cloud Platform, Node.js, Postgres, WebSocket.
Senior Full-Stack Engineer - AI HR Platform + Equity in London employer: Jack & Jill
Humaans is an exceptional employer, offering a unique opportunity to work at the cutting edge of AI in HR technology. With a strong focus on employee growth, you will collaborate directly with founders and have a significant impact on product strategy while enjoying top-tier private healthcare and a generous equity plan. The vibrant London location fosters a high-performance culture where quality and craftsmanship are paramount, making it an ideal environment for talented engineers seeking meaningful and rewarding work.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full-Stack Engineer - AI HR Platform + Equity in London
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can get you in the door.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those using TypeScript, Node.js, and React. We want to see what you can do beyond the CV!
✨Tip Number 3
Prepare for the interview by practising common technical questions and coding challenges. We recommend doing mock interviews with friends or using platforms that simulate real interview scenarios.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior Full-Stack Engineer - AI HR Platform + Equity in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Senior Full-Stack Engineer role. Highlight your proficiency in TypeScript, Node.js, and any relevant projects that showcase your ability to tackle complex problems.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're excited about working at Humaans and how you can contribute to our mission. Share specific examples of your past work that demonstrate your ownership of product problems and your engineering craftsmanship.
Showcase Your Projects:If you've worked on any interesting projects, especially those involving AI or SaaS, make sure to include them in your application. We love seeing real-world applications of your skills, so don't hold back!
Apply Through Our Website:We encourage you to apply directly through our website for the best chance of getting noticed. It helps us keep track of applications and ensures you’re considered for the role as quickly as possible!
How to prepare for a job interview at Jack & Jill
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript, Node.js, React, and Postgres. Brush up on your knowledge of Kubernetes and Google Cloud Platform too. Be ready to discuss how you've used these technologies in past projects and how they can be applied to the role.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've taken ownership of vague product problems and driven them to successful releases. Highlight your ability to work in a fast-paced environment and how you’ve collaborated with teams to create high-quality solutions.
✨Understand the Company’s Vision
Familiarise yourself with Humaans and their AI platform. Understand their mission to redefine HR infrastructure and think about how your skills can contribute to that vision. This will show your genuine interest in the role and the company.
✨Prepare Questions for Them
Have insightful questions ready for the interviewers. Ask about their engineering culture, how they approach product strategy, or what challenges they face in scaling their platform. This not only shows your enthusiasm but also helps you gauge if the company is the right fit for you.
