At a Glance
- Tasks: Build impactful full-stack features for Juniper and new product lines.
- Company: Join Eucalyptus, a leader in digital healthcare innovation.
- Benefits: Flexible hybrid work, competitive salary, and professional development support.
- Other info: Collaborative culture with opportunities for growth and mentorship.
- Why this job: Shape the future of healthcare while making a real difference for patients.
- Qualifications: Strong skills in React and backend development; experience with distributed systems.
The predicted salary is between 60000 - 80000 £ per year.
About Eucalyptus
We're on a mission to make good health last a lifetime. More than 1 billion people live with obesity worldwide, driving preventable chronic conditions. We're here to build better long-term care. Eucalyptus is now part of Hims & Hers, the global leader in personalised health and wellness. Euc is the company behind Juniper, one of the world's largest weight-management programs combining GLP-1 medication with personalised nutrition, movement support, and clinician-led care from prescribers, nurses, health coaches, pharmacists, and dietitians. Our published clinical research shows that our combined clinical and behavioural approach helps patients lose significantly more weight during their treatment with Juniper by four times.
Our Growth Story:
- 130% YoY revenue growth and a 90% reduction in cash burn - culminating in our $1.15bn acquisition by Hims & Hers in 2026, giving us the platform to take long-term care global
- Supported over 350k patients living with obesity across our 5 markets
- Received selective NICE endorsement to provide services to the NHS
- Tailored our offering to thousands of patients in Australia, the UK, Germany, Japan and Canada.
Shape Juniper and our expanding product ecosystem with fullstack impact. The Shop/Ecosystem squad is focused on expanding Juniper into new product lines and areas of care, helping patients discover the right products and services at the right time. One of the squad’s most exciting initiatives will be a recommendations tool, working in close collaboration with Data Science, to shape how patients interact with Juniper and other product lines across web and mobile.
Our stack: React, React Native, GraphQL Federation, Go, TypeScript, gRPC, Pub/Sub, Kubernetes, GCP
The impact you will have:
- Build fullstack features using React + Go/Node.js for Juniper and new product lines, shaping how these features work across web and mobile
- Collaborate with cross-functional teams, including Data Science, to design product-facing solutions and make decisions on trade-offs and integration
- Implement scalable, maintainable solutions across frontend and backend, including features for the mobile app
- Contribute to engineering best practices and help mentor other squad members
- Partner with product, design, and other teams to prioritize what drives real impact
Who succeeds here:
You’ll likely succeed if you:
- Have strong React or frontend framework skills
- Are experienced with backend development in Go, Node.js, or other languages
- Have experience with distributed systems and a balanced fullstack skillset
- Thrive in fast-paced, iterative environments
- Can work on complex systems and collaborate effectively across multiple teams
You don’t need to tick every box — if this role excites you, we’d still love to hear from you.
Nice to haves:
- Experience with React Native and mobile app development
This is a senior, high-autonomy role where engineers get to own the lifecycle of features from design through delivery, working in a team that values experimentation, collaboration, and delivering real impact for patients. You’ll have the chance to work on Juniper and its expanding ecosystem, helping define engineering practices that will scale as the company grows. If shaping the future of digital healthcare and influencing high-impact product experiences sounds exciting, we’d love to hear from you.
Why join Eucalyptus?
- Euc is also behind a growing family of digital healthcare clinics (Pilot, Kin, Software, Compound) across men’s health and well-being, fertility, skincare, and preventative health.
Here’s what makes joining Euc unique:
- What’s next - Our goal for the next three years is to support 1 million patients globally to live better for longer. We’re launching into new conditions, demographics, and geographies as we build a truly preventive healthcare ecosystem.
- Build something world-changing - We’re on the path to becoming the world’s largest international digital healthcare company. It will be challenging, fast-paced, and deeply rewarding.
- Make real impact - You will deliver work that directly shapes patient outcomes and scales evidence-based care across markets.
- Accelerate your growth - You will have high ownership, continuous feedback, and dedicated development support.
- Join a motivated team - You will collaborate with talented peers to solve complex clinical and operational problems at scale.
What’s ahead in the UK:
- Be an owner – Your own stake in the business with our employee options program
- Invest in your growth – Annual development budget plus 3 days of professional development leave
- Work flexibly – Hybrid setup with 3 days a week in our Old Street office, designed for focus and collaboration
- Support your well-being – Private health insurance through Vitality or opt for a monthly wellness allowance to spend on what matters most to you
- Take time off – 25 days of holiday, enhanced parental leave and work from anywhere 3 weeks out of the year
- Join a connected team – A vibrant office culture with regular socials, clubs, after-school sport, and seasonal events
At Eucalyptus, we value individuals from all backgrounds, experiences, and perspectives, and we embrace the unique qualities each person brings. When you apply, please let us know of any reasonable adjustments you may need during the interview process. We use AI-assisted tools across our business to help our teams work more efficiently, including within our recruitment process. These tools support our team — all hiring decisions are made by real people, and every application is reviewed by a member of our recruitment team.
Senior Full-Stack Engineer - Shop/Ecosystem employer: Careers at Eucalyptus
Eucalyptus is an exceptional employer that prioritises employee growth and well-being, offering a dynamic work culture in the heart of London. With a focus on innovation in digital health, team members benefit from hands-on experience in product management while collaborating with cross-functional squads to make a meaningful impact on patient health. The company fosters a supportive environment that encourages professional development and values diverse perspectives, making it an ideal place for those looking to thrive in their careers.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full-Stack Engineer - Shop/Ecosystem
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Careers at Eucalyptus or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Careers at Eucalyptus.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Careers at Eucalyptus.
✨Explore Job Boards Specifically for Tech Roles
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We think you need these skills to ace Senior Full-Stack Engineer - Shop/Ecosystem
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Careers at Eucalyptus.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Careers at Eucalyptus and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Careers at Eucalyptus
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Careers at Eucalyptus uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
