At a Glance
- Tasks: Build and maintain innovative software across mobile, cloud, and connected devices.
- Company: Join a pioneering tech startup making real-world impact with cutting-edge products.
- Benefits: Competitive salary, equity, and significant ownership from day one.
- Other info: Dynamic startup environment with clear paths for career growth and leadership opportunities.
- Why this job: Shape the future of technology while influencing product direction and engineering culture.
- Qualifications: Experience in software development, mobile apps, and cloud infrastructure.
The predicted salary is between 65250 - 79750 £ per year.
- Full Stack Engineer (Founding Engineer)
- Hybrid London | £100,000+ Equity
This is a rare opportunity to join an early-stage technology business as a foundational software hire.
You will have significant ownership from day one, working across mobile, cloud, and connected device technologies while helping shape the long-term software strategy and engineering function.
The Company
They are an innovative technology business developing connected products that combine hardware, software, and data to deliver meaningful real-world impact.
Their product is already in market with a growing user base and a clear roadmap for future growth.
The team is highly collaborative, technically strong, and focused on building solutions that genuinely improve customer outcomes.
You will join at a pivotal stage, with the opportunity to influence both product direction and technical decisions.
The Role
You will take ownership of key software systems across mobile applications, cloud infrastructure, and device connectivity, working closely with senior stakeholders and technical teams.
Responsibilities include
- Building and maintaining mobile applications across i OS and Android platforms.
- Developing and optimising Bluetooth Low Energy (BLE) connectivity between devices and applications.
- Designing and managing AWS-based cloud infrastructure and backend services.
- Creating scalable data ingestion and processing pipelines.
- Supporting the integration of AI-driven functionality into customer-facing products.
- Owning software quality, observability, deployment, and release processes.
- Collaborating with product and engineering teams to translate requirements into production-ready solutions.
- Contributing to the growth and development of the software function as the business scales.
- Your Skills & Experience
- Strong commercial experience building and shipping production software.
- Proven experience developing and deploying mobile applications.
- Hands-on experience working with Bluetooth Low Energy (BLE) connected devices.
- Strong knowledge of AWS cloud services, infrastructure, authentication, and data systems.
- Full stack development capability across frontend, backend, and infrastructure.
- Experience leveraging AI tools and understanding how AI can enhance product experiences.
- Comfortable operating in fast-moving environments with high levels of ownership.
- Strong communication skills and the ability to collaborate across technical and non-technical teams.
Desirable experience
- Health technology, regulated environments, or sensitive data applications.
- Io T platforms and connected device ecosystems.
- Time-series data, signal processing, or analytics-focused products.
- Over-the-air firmware updates.
- Mentoring engineers or contributing to technical leadership.
- Early-stage startup or scale-up environments.
- What They Offer
- Genuine ownership of a core product and technology stack.
- Significant exposure to senior leadership and strategic decision-making.
- Clear progression into technical leadership as the company grows.
- Opportunity to help shape engineering culture, processes, and future hiring plans.
How to Apply
If you're excited by the opportunity to build scalable software, work across mobile, cloud, AI, and connected technologies, and play a key role in an ambitious growth journey, please apply today.
Founding Engineer (Full Stack) in London employer: Harnham - Data & Analytics Recruitment Careers
As a leading consumer retail organisation based in London, we pride ourselves on fostering a dynamic and inclusive work culture that champions innovation and collaboration. Our commitment to employee growth is evident through tailored development programmes and the opportunity to lead transformative digital initiatives, all while enjoying a competitive salary and bonus structure. Join us to be part of a forward-thinking team that values your contributions and empowers you to drive meaningful change in a rapidly evolving market.
Contact Details:
Harnham - Data & Analytics Recruitment Careers Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Founding Engineer (Full Stack) 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 Harnham - Data & Analytics Recruitment Careers 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
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✨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 - Data & Analytics Recruitment Careers.
✨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 - Data & Analytics Recruitment Careers 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 Founding Engineer (Full Stack) 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 Harnham - Data & Analytics Recruitment Careers.
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 - Data & Analytics Recruitment Careers 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 - Data & Analytics Recruitment Careers
✨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 - Data & Analytics Recruitment Careers 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.
