At a Glance
- Tasks: Build and scale innovative AI systems for tax advisory teams.
- Company: Join REVAX, a cutting-edge London startup transforming the tax advisory industry.
- Benefits: Earn £80k plus equity, with opportunities for professional growth.
- Other info: Be part of a high-velocity environment with excellent career advancement potential.
- Why this job: Make a real impact in AI while working with a dynamic founding team.
- Qualifications: 2-3 years of software development experience, especially in fast-paced startups.
The predicted salary is between 80000 - 100000 £ per year.
Salary: £80,000 + Meaningful EMI Equity
Location: London, UK
Company Description: REVAX is a seed‑stage London startup backed by leading institutions and angels, building a new class of AI‑native software for tax advisory teams.
Job Description: As a Software Engineer at REVAX, you will work directly with founders to build and scale multi‑agent AI systems. You will own features end‑to‑end, from prototyping LangGraph‑based agents to production hardening on GCP. This role is central to transforming how major tax advisory firms research and draft complex deliverables using structured, transparent AI.
Why this role is remarkable:
- Work at the cutting edge of agentic AI, building production‑grade multi‑agent systems using LangGraph and knowledge graphs for highly regulated domains.
- Join a high‑velocity, technical founding team at the seed stage, backed by top‑tier institutions and already delivering value to major professional services firms.
- High‑impact ownership where you define the engineering standards and security patterns required to sell sophisticated AI products to enterprise clients.
What You Will Do:
- Architect and implement multi‑agent systems using LangGraph, incorporating retrieval pipelines, vector search, and Neo4j knowledge graphs for complex data modelling.
- Design and scale performant FastAPI services on Google Cloud Platform, ensuring high reliability, observability, and cost‑efficiency for AI‑driven workflows.
- Build enterprise‑grade features including IAM, multi‑tenant isolation, and audit trails to meet the rigorous security requirements of major advisory firms.
The Ideal Candidate:
- Has 2–3 years of experience building production software, including at least one year within a fast‑paced startup environment.
- Demonstrates deep technical proficiency with modern Python, FastAPI, and AI technologies like RAG pipelines, vector databases, or LangGraph systems.
- Exhibits a high‑ownership mindset and leverages modern AI coding tools like Cursor or Claude Code to ship high‑quality code at speed.
Software Engineer (£80k + Equity) at REVAX in London employer: Jack & Jill
REVAX is an exceptional employer for Software Engineers, offering a unique opportunity to work at the forefront of AI technology in a dynamic startup environment. With competitive compensation including meaningful equity, a culture that fosters high-impact ownership, and direct collaboration with founders, employees are empowered to shape the future of tax advisory software. Located in London, REVAX provides a vibrant setting for professional growth and innovation, making it an attractive choice for those seeking meaningful and rewarding employment.
StudySmarter Expert Advice🤫
We think this is how you could land Software Engineer (£80k + Equity) at REVAX in London
✨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 Software Engineer (£80k + Equity) at REVAX in London
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.
