Fullstack Engineering Intern

[Employer hidden — view at passion-project.co.uk] Accelerator – Fullstack Engineering Intern

Build AI-powered products that impact millions of small businesses.

At [Employer hidden], we build fintech solutions that empower over 4 million merchants across 37 markets to run and grow their businesses. Every day, this generates rich payments and business data, and [Employer hidden]'s next-gen AI tools turn that data into practical insights and intelligent tools that create real merchant value.

This is not a traditional internship. From day one, you'll join a product squad, contribute to shared codebases, and ship production code used by merchants every day.

Location: Central London Duration: 3 months, starting 15th June (full time) Starting Salary: £32,500

Curious what that actually looks like? Watch how our Accelerator participantsOpens in new window become contributors to real-world features at [Employer hidden].

What You'll Work On

You'll contribute to greenfield products, significant internal tools, and groundbreaking new technologies being integrated into the [Employer hidden] ecosystem — with a focus on:

• Backend & Fullstack engineering (APIs, services, dashboards)
• AI-enabled backend systems and data pipelines
• User-facing services and UI/UX

Your Impact

Working alongside experienced engineers, data scientists, and product managers, you will:

• Build end-to-end product features for [Employer hidden]'s AI Initiative, from backend APIs and data pipelines to user-facing services
• Integrate with core [Employer hidden] systems, databases, and internal tooling
• Write clean, testable, well-documented code following team standards
• Participate fully in team rituals: planning, technical discussions, code reviews, and knowledge-sharing sessions
• Take ownership, iterate quickly on ideas and prototypes, and learn by shipping real features

You Might Be a Great Fit If You…

• Are a recent graduate (Bachelor's or Master's), final year student, or early-career professional (0–2 years' experience) in Computer Science, Software Engineering, or a related field
• Understand data structures, algorithms, and object-oriented programming
• Have hands-on experience with at least one modern language,  Python, Go, Java, Kotlin, or JavaScript preferred
• Are familiar with Git and collaborative workflows (branches, pull requests)
• Understand client-server architecture and HTTP fundamentals
• Can write simple SQL queries and understand how data is structured and accessed
• Are curious about AI, data, and how technology creates real merchant value
• Learn fast, welcome feedback, and enjoy working in collaborative cross-functional teams

Why Join [Employer hidden]?

Impact with Purpose - Ship products used by millions of small businesses while building next-gen AI tools. This isn't a sandbox.

Come As You Are — A workplace that celebrates diversity and fosters an inclusion-first culture.

Office Perks — Complimentary breakfast every Wednesday and lunch on Thursdays.

Team Culture — Regular social events to connect and unwind.