At a Glance
- Tasks: Build innovative customer-facing products in a dynamic AI-first environment.
- Company: Join a high-growth fintech scale-up transforming financial engagement.
- Benefits: Earn up to £85,000 with great benefits and hybrid work options.
- Other info: Collaborative Agile teams with excellent career growth opportunities.
- Why this job: Make a real impact using cutting-edge technology and AI tools.
- Qualifications: Experience in Java, Kotlin, React, and AI-assisted development.
The predicted salary is between 56250 - 68750 £ per year.
- FULL STACK ENGINEER (AI-NATIVE)
- Up to £85,000 + Benefits
- London (Hybrid, 2 Days per Week)
This is a great opportunity to join a high-growth fintech scale-up where you can take ownership of customer-facing products whilst working in an AI-first engineering environment.
You'll help build technology that combines financial data, analytics, and behavioural insights to deliver meaningful outcomes for end users.
THE COMPANY
This rapidly growing Wealth Tech business is transforming how individuals engage with their financial lives through innovative technology, sophisticated analytics, and exceptional user experience.
Backed by leading investors and operating in a scale-up environment, the business is building a platform that provides users with a complete view of their financial world alongside personalised insights and recommendations.
The engineering function operates through cross-functional Agile squads and is heavily focused on leveraging AI to increase engineering productivity and innovation.
THE ROLE
You will take ownership of software within one of the engineering squads, contributing across both front-end and back-end development while working alongside product, engineering, and technical operations teams.
Key responsibilities include
- Building and enhancing customer-facing web applications.
- Developing scalable features using React, Java Script and Type Script.
- Contributing to backend services built with Kotlin and Spring.
- Leveraging AI tools and agentic development workflows as part of your day-to-day engineering process.
- Working within Agile Scrum teams to plan, develop, test and release software.
- Collaborating on APIs, microservices and event-driven architectures.
- Driving software quality, performance, security and scalability.
YOUR SKILLS AND EXPERIENCE
You will bring strong capability in
- Java and Kotlin backend development on the Spring stack.
- React, Java Script and Type Script.
- AI-assisted development, particularly using Claude and agentic engineering workflows.
- CI/CD pipelines, automated testing and API integrations.
- AWS, Docker and/or Kubernetes.
- Jira, Agile methodologies and collaborative software delivery.
THE BENEFITS
You will receive a salary of up to £85,000 depending on experience, along with a comprehensive benefits package.
Please note
Sponsorship is not available for this position.
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Full Stack Engineer (AI Native) employer: Harnham
As a leading specialist data consultancy, we pride ourselves on fostering a collaborative and innovative work culture that empowers our Analytics Engineering Consultants to thrive. With a focus on professional development, we offer extensive growth opportunities and the chance to work on high-impact projects across diverse industries, all while enjoying the flexibility of remote work in the UK. Join us to be part of a team that values your expertise and encourages you to influence strategy and drive meaningful change for our clients.
StudySmarter Expert Advice🤫
We think this is how you could land Full Stack Engineer (AI Native)
✨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 Harnham 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 Harnham.
✨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 Harnham.
✨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 Harnham 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 Engineer (AI Native)
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 Harnham.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Harnham 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 Harnham
✨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 Harnham 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.
