Senior Software Engineer

Experteer Italy; City Of London; Hybrid; GBP 57,000 - 64,000; Full time

Job summary

A leading fintech company in London is seeking a Backend Engineer to develop distributed systems and APIs. The role involves collaborating with cross-functional teams, implementing scalable solutions, and maintaining a high SLA. Candidates should have experience in Rust, Java, or similar, and strong understanding of design patterns and testing practices. This position offers competitive compensation and a hybrid work model with flexibility.

Benefits

Competitive salary

Hybrid work model

Flexible holiday policy

Generous parental leave

Annual learning & development budget

Qualifications

• Experience building distributed backend systems in Rust, .NET, Java, Go or similar.
• Deep understanding of design patterns, principles and when to apply them.
• Proficient with API design and at least one web framework.

Responsibilities

• Partner with Engineering, Product and Design to deliver features.
• Design, implement, test, and operate scalable systems.
• Drive fast, safe iteration cycles using design patterns.

Skills

Building distributed backend systems

Understanding of design patterns

API design proficiency

Hands-on knowledge of SQL and NoSQL

Familiarity with microservice architecture

Testing best practices

Experience with observability and alerting

Tools

Kubernetes

AWS

Job description

Who we are

TrueLayer is Europe’s fastest‑growing Pay by Bank network. We power smarter, safer and faster payments by combining real‑time bank payments with financial and identity data. E‑commerce, iGaming and financial services businesses use our products to onboard new users, accept money and make payouts in seconds, at scale. Live across 22 countries, we add a new user to our network every 3 seconds. We are expanding the team across London, Milan and Dublin.

Overview

We build a global open banking platform that changes how money moves. Payments and refunds are instant, account data is accessible and verification is seamless – enabling innovators to build better financial experiences for their users.

Responsibilities

• Partner with Engineering, Product and Design to size, prioritize and deliver features that serve millions of API requests.
• Design, implement, test and operate scalable, highly‑available systems that support a 99.5% SLA.
• Drive fast, safe iteration cycles using design patterns, testing and automation.
• Co‑coach teammates and elevate the engineering organization through mentorship and technical leadership.
• Own incident response, investigate and publicly communicate service recovery for the areas under your responsibility.
• Play an active role in cross‑team technology efforts by joining our engineering guilds.
• Model TrueLayer values and help keep TrueLayer exceptional, honest, genuine and human.

Requirements

• Experience building distributed backend systems in Rust, .NET, Java, Go or similar.
• Deep understanding of design patterns, principles and when to apply them.
• Proficiency with API design and at least one web framework.
• Hands‑on knowledge of SQL and NoSQL data technologies.
• Familiarity with microservice architecture and associated challenges.
• Strong testing best practices – TDD, unit, integration testing.
• Experience with observability, alerting and supporting mission‑critical distributed systems.

Preferred

• Graph database experience – Cypher, Gremlin or similar.
• Containerised service deployment and management, with Kubernetes focus.
• Protocol buffers, gRPC and message queue systems.
• Open source contributions and library building.
• Hands‑on AWS and infrastructure‑as‑code tools such as Terraform.

Benefits & Compensation

• Competitive salary: €65,750 – €73,000 + equity.
• Hybrid work: 3 days remote, 2 days in London, Milan or Dublin.
• One‑off home office contribution (200 €).
• Flexible holiday policy – 24 standard days + 12 wellbeing days, birthdays off.
• Generous parental leave, above statutory requirements.
• Meal vouchers, mental wellbeing platform (Spill).
• Annual learning & development budget.
• Volunteering days – 2 days per year.

Hiring Process

• Call with Talent Acquisition Partner.
• Take‑home software engineering challenge.
• 2‑hour video interview with TrueLayer engineers.
• 1.5‑hour final round video interviews.

Diversity & Inclusion

We strongly encourage applications from under‑represented groups (people of colour, LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers and all socio‑economic backgrounds). We are committed to creating an inclusive interview experience and will make adjustments for different needs. If you need alternative working patterns, let us know.

Equal Employment Opportunity

TrueLayer is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, age, national origin, disability, veteran status or any other protected class.