Software Engineer

Swap; Greater London; On-site; GBP 50,000 - 75,000; Full time

Job summary

A leading tech company in the UK is seeking a Full Stack Engineer to join their rapidly growing team. This role involves writing scalable, maintainable code and closely collaborating with product and design teams. Ideal candidates should have experience with eCommerce systems, cloud deployment, and a strong background in software development. The position offers stock options, competitive PTO, and a diverse workplace culture committed to equality.

Benefits

Stock options

Competitive PTO

Private Health

Pension

Wellness benefits

Breakfast Mondays

Qualifications

• Experience working as a Full Stack Engineer.
• Familiarity with cloud infrastructure deployment.
• Passion for writing clean, testable and robust code.

Responsibilities

• Writing scalable and maintainable code.
• Translating software requirements into high-performance software.
• Collaborating with cross-functional teams on requirements.

Skills

Full Stack Engineering

eCommerce systems

Git and Git workflows

SQL queries

CI/CD workflows

Clean code

Teamwork and communication

Education

BSc in Computer Science or Mathematics

Tools

AWS

Relational databases

NoSQL databases

Job description

Swap is the infrastructure behind modern agentic commerce. The only AI-native platform connecting backend operations with a forward-thinking storefront experience.

Built for brands that want to sell anything - anywhere, Swap centralizes global operations, powers intelligent workflows, and unlocks margin-protecting decisions with real-time data and capability. Our products span cross-border, tax, returns, demand planning, and our next-generation agentic storefront, giving merchants full transparency and the ability to act with confidence.

At Swap, we’re building a culture that values clarity, creativity, and shared ownership as we redefine how global commerce works.

About the role

We are looking for a Full Stack Engineer to join our ever growing engineering team. You will be joining us in an exciting phase of hyper growth where you will help shape the future of Swap and build our products from the ground up. The ideal candidate would be someone who has a genuine passion for designing and implementing elegant software solutions. You will also be intimately familiar and up to date with the development ecosystem for making solid decisions when it comes to choosing the right tool or library for the role. We expect our engineers to be able to contribute across the entire product stack, as well as collectively oversee the integrity of the codebase. You will also partner very closely with our product and design team as well as other internal teams when needed.

Responsibilities

• Writing scalable, robust, testable, efficient, and easily maintainable code.
• Translating software requirements into working, high-performance software.
• Playing a key role in architectural and design decisions, building toward efficient architecture.
• Writing design documents and estimates.
• Writing test units.
• Work with cloud service AWS for deployment, monitoring, and scaling of applications.
• Collaborate with cross-functional teams; work closely with product managers, designers, and other engineers to gather requirements and translate them into technical specifications.

Requirements

• Experience working as a Full Stack Engineer.
• Preferred experience working with eCommerce systems and platforms.
• Good understanding of and experience with git & git workflows.
• Experience with relational DBs, data modelling and writing SQL queries, and familiarity with NoSQL databases.
• Familiarity with CI/CD workflows and the deployment of workloads to cloud infrastructure.
• Passion for writing clean, testable and robust code.
• A BSc in Computer Science or Mathematics (or equivalent experience).
• Enjoy working in a fast paced, high-growth environment.
• A team player mindset with excellent communication skills and the ability to work independently.
• Stock options in a high-growth startup.
• Competitive PTO with public holidays additional.
• Private Health.
• Pension.
• Wellness benefits.
• Breakfast Mondays.

Diversity & Equal Opportunities

We embrace diversity and equality in a serious way. We are committed to building a team with a variety of backgrounds, skills, and views. The more inclusive we are, the better our work will be. Creating a culture of equality isn't just the right thing to do; it's also the smart thing.

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