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 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 a small, elite team, ensuring your contributions are impactful and recognised. The company provides top-tier private healthcare, a generous equity plan, and fosters a culture of quality and craftsmanship in a fast-paced, innovative environment in London.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full-Stack Engineer - AI HR Platform + Equity
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals, which are often the best way to get your foot in the door.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using TypeScript, React, and Node.js. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by practising common technical questions and coding challenges. Use platforms like LeetCode or HackerRank to sharpen your skills. Remember, confidence is key, so don’t forget to showcase your problem-solving approach during the interview!
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Tailor your application to highlight your experience with full-stack development and AI-driven solutions, and let us know how you can contribute to our mission at Humaans.
We think you need these skills to ace Senior Full-Stack Engineer - AI HR Platform + Equity
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 take ownership of product 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 problem-solving skills and your experience in fast-paced environments.
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’s the easiest way for us to keep track of your application and ensure it reaches the right people!
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 navigate complex challenges and deliver high-quality solutions, especially in a fast-paced startup environment.
✨Understand the Company’s Vision
Familiarise yourself with Humaans and their AI-driven approach to HR tech. Be prepared to discuss how you can contribute to their mission and what excites you about working at the forefront of AI in HR.
✨Engage with the Interviewers
Don’t just answer questions; engage in a dialogue. Ask insightful questions about the product strategy and technical architecture. This shows your interest in the role and helps you assess if the company is the right fit for you.
