As a rapidly growing, industry-leading tech consultancy, we transform how businesses operate by turning data and AI into key strategic resources.

A technology partnership with us sees our team draw on real-world expertise in scaling some of the most globally recognised brands such as Just Eat, Moonpig, PayPoint and Allica Bank.

Our expertise lies in turning ideas into real product solutions with our collective experience and thought leadership, positioning us at the forefront of the market in attracting and maintaining top-tier talent.

We know great products start with great people.

Meet the team_

Founder

Tom Harris

A proven technology leader, Tom has experience with seed startups through to IPO and FTSE 100 companies. He initially developed experience of high growth startups at unicorn Just Eat before moving to Fintech startup ClearBank.  

As CTO at ClearBank, Tom oversaw an average 3-year growth of over 21% and helped secure £175 million in funding. ClearBank also took first place in Deloitte’s UK Technology Fast 50 Awards 2021.

Co-founder & CTO

Henry Keen

A highly experienced technology leader and expert, Henry has over 16 years of experience delivering pivotal projects across e-commerce, retail and media.

Henry has worked with some of the UK’s biggest brands including Tesco and NewsUK. He gained extensive experience with startups working at unicorns, Just Eat, and Moonpig, where he built and led teams, contributing to their success pre and post-IPO.

Managing Director

Rory Seabrook

A highly skilled and proven commercial and business leader with over 10 years of experience in the technology sector. Rory has supported numerous startups, scaleups and enterprises to realise their ambitions by defining flexible, long-term solutions through enhanced client engagement.

Rory spearheaded Arrows Group’s move into technical consulting, before joining Build Circle, where he has driven 5x revenue growth in his first 18 months.

Director of Engineering

Chris Sewell

Chris began his career at Accenture before moving to unicorn Just Eat. Leveraging his knowledge of high-growth startups, he has since fulfilled interim Engineering VP roles at multiple early-stage companies.  

Chris has amassed significant experience building high-performing teams centred around lean product development principles. He is experienced across regulated banking, logistics, e-commerce and retail.

Technical Director

Marco De Bortoli

Marco, Technical Director, brings decades of diverse engineering experience to leadership roles. From automation and embedded systems to scaling e-commerce platforms for fashion giants like Kurt Geiger and Boohoo, his expertise spans many industries.

Marco's technical expertise and proven success at Just Eat, Cable & Wireless, Schroders and Skyscanner building reliable systems make him a trusted technical leader for scaling businesses.

Principal Engineer

Tom Day

Tom began his career in the North of England, working on automation and business improvement projects for various companies. As a technical leader, he helped scale Cera Care, a HealthTech startup, to national coverage.

Tom is a certified AWS cloud specialist with a passion for scaling startups and fostering continuous growth. He effectively communicates complex ideas to diverse audiences, aiding in talent and team development.

Senior Software Engineer

Eduardo Solanas

Eduardo, a full-stack developer with 18+ years of experience, has driven impactful solutions for clients like Sky, Kingfisher, Volkswagen, Wayfair, HMRC, and HMPO. He prioritises clean, testable code for long-term reliability.

As a senior member of the team, his technical expertise and infectious positivity make him a valued leader, sought after for team training on specific technologies and scalable, reliable architecture design.

Associate Software Engineer

Klaudia Bartkowska

Klaudia's software engineering journey began at 01 Founders Coding School, where she gained a strong foundation in Golang and JavaScript through collaborative projects.

Joining Build Circle, she's launched projects for clients like BPP, KLEKT, and EngageQI. A full-stack developer committed to continuous improvement, Klaudia is also a passionate advocate for promoting Women In Tech and community-building for women in tech spaces.

Software Engineer

Brunel Johnson

Brunel, an accomplished software engineer and product developer, specialises in Typescript, AWS, Node.js, React, Jest, and Python.

Brunel excels in backend and frontend development, CI/CD pipeline creation, and has significantly improved processes and deployment success at Lloyds Bank, CRUK, Telegraph, and Hauser & Wirth. A dedicated mentor, he guides associate developers and collaborates on Python applications.

Software Engineer

Alex Marriott

Psychology graduate turned software engineer, Alex brings a unique problem-solving mindset to software engineering. Since 2021, he's delivered solutions for clients like Infonetica, RTGS, and BPP.

Alex played a key role in developing a Chrome extension for LinkedIn and designing unified Edtech component libraries. A skilled engineer, he now mentors others, sharing his expertise with teams and associate engineers.

Software Engineer

Yoan Poulmarc'k

Yoan is a globally experienced software engineer who has honed his skills in Sydney, Montreal, Berlin, and London informing his diverse approach to coding practices, company culture, and team dynamics.

Yoan has set new standards in development, notably through a greenfield micro-frontend integration project that established benchmarks for future projects. Committed to open communication and high coding standards, he has achieved significant results at BPP, Klekt, Broadsign, and Ayuda.

Software Engineer

Jacob Cummings

Full-stack engineer Jake brings 3+ years of experience, specialising in React, Node, Kotlin, .NET, and Python. He's delivered powerful engineering solutions for companies like Motorway, Floom, RTGS, and other scaleup enterprises.

Jake's integration of LLM solutions into apps boosts productivity, proving his adaptability and technical insight. His passion for emerging technologies keeps him at the forefront of development and growth as a talented engineer.

Marketing & Content Manager

Stevie Watson

Stevie is a results-driven marketing leader in the Tech, Fintech/SaaS, Branding, and Talent Acquisition landscapes. They specialise in content marketing, brand engagement, lead generation, and data-driven strategies to engage audiences and establish thought leadership.

Stevie combines creativity with human-centred marketing to enhance customer experiences and drive ROI. Their work significantly shapes Build Circle's vision, positioning it as a leader in tech consultancy.

EOM

Josephine Baptist

Josephine is an accomplished Executive Operations Manager with proven expertise in organisational efficiency, project management, and stakeholder communication. With her ability to build positive relationships she thrives in fast-paced environments, proactively anticipating needs and driving operational excellence.

Josephine's exceptional communication skills and collaborative approach foster cross-department alignment, empowering executives to focus on strategic initiatives.

Talent & Community Manager

Billy Stewart

With a strong background in technical recruitment from agency work to embedded talent roles, Billy specialises in sourcing AI specialists and building focused engineering, design, and data teams. His experience at scaleups like Luno and ComplyAdvantage has refined his ability to connect organisations with transformative talent.

Passionate about creating excellent tech teams, Billy champions outstanding candidate experiences and DE&I initiatives.

We're always looking to meet great people_

See our current opportunities
Our Vision

To build a better future with top flight technology that doesn’t cost the earth

Contact us_

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