Full Stack Software Engineer (£80k-£100k + Equity) at Caribou

Full Stack Software Engineer (£80k-£100k + Equity) at Caribou

Full-Time 80000 - 100000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Transform complex tax rules into intuitive data visualisations for finance leaders.
  • Company: Join Caribou, a YC-backed startup revolutionising international tax compliance.
  • Benefits: Competitive salary, equity options, and the chance to work with elite investors.
  • Other info: Dynamic team environment with opportunities for growth and innovation.
  • Why this job: Make a real impact by simplifying global tax data for CFOs using cutting-edge tech.
  • Qualifications: 3+ years in web applications, strong UI skills, and proficiency in React and SQL.

The predicted salary is between 80000 - 100000 £ per year.

Caribou is a YC-backed London startup, funded by Accel and Lakestar, building an autonomous tax platform to simplify complex international compliance. By automating Transfer Pricing, Caribou makes Big Four expertise accessible to global businesses, replacing manual translation of dense jurisdiction-specific data with elegant, actionable software for finance leaders.

You will lead the evolution of Caribou's user interface, transforming complex international tax rules into intuitive data visualizations for CFOs. In practice, you'll own features end-to-end—from Postgres migrations to building data-dense entity graphs—ensuring high UI craft while leveraging AI tools to ship at a scale that shouldn't be possible for a small team.

Location: London, UK

Why this role is remarkable:

  • Join a YC W19 batch company backed by elite investors including Accel and Lakestar, working directly with the founder and CTO.
  • Solve a high-value information design problem where you turn dense, interlinked global tax data into legible, actionable insights for finance leaders.
  • Work in a high-leverage environment that embraces AI-driven development and rewards engineers who balance product judgement with technical craft.

What You Will Do:

  • Translate complex tax concepts into obvious-at-a-glance interfaces like entity graphs, intercompany flow diagrams, and compliance documentation.
  • Evolve and own the design system and component library using Tailwind and shadcn/ui to ensure visual quality compounds.
  • Build data-dense product views and manage the full feature lifecycle from TypeScript frontends to Postgres migrations and Go backend services.

The ideal candidate:

  • Has 3+ years of experience building production web applications with a distinct focus on UI craft, hierarchy, and data visualization.
  • Is proficient in the modern React ecosystem (Next.js, Tailwind) and comfortable working across the full stack with SQL and Postgres.
  • Demonstrates excellent communication skills, capable of translating CFO requirements and tax specialist insights into technical specifications.

Full Stack Software Engineer (£80k-£100k + Equity) at Caribou employer: Jack & Jill

Phanes Neurotechnology is an exceptional employer, offering a unique opportunity to shape the future of neurotechnology research in a vibrant London setting. With a commitment to rigorous scientific standards and a culture that values integrity and collaboration, employees are encouraged to grow professionally while contributing to meaningful advancements in healthcare. The company fosters an environment where innovative thinking thrives, providing access to cutting-edge resources and partnerships with leading clinical experts.

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Contact Details:

Jack & Jill Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Full Stack Software Engineer (£80k-£100k + Equity) at Caribou

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 Jack & Jill 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 Jack & Jill.

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 Jack & Jill.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Jack & Jill that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Full Stack Software Engineer (£80k-£100k + Equity) at Caribou

UI Design
Data Visualization
Postgres
TypeScript
React
Next.js
Tailwind

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 Jack & Jill.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Jack & Jill 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 Jack & Jill

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 Jack & Jill 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.