Senior Software Engineer at Tunic Pay

Jack & Jill/External ATS; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

A fintech startup in London is looking for a Senior Software Engineer to build backend services targeting the reduction of financial scams. You will rearchitect payments infrastructure, ensuring security and scalability while having significant influence on technical decisions. The ideal candidate will have over 7 years of experience and expertise in modern backend languages and cloud technologies. This role offers an opportunity for high autonomy and impact in a dynamic environment.

Qualifications

• 7+ years of experience architecting and maintaining fault-tolerant, large-scale distributed systems.
• Experience in sensitive data contexts and understanding data governance.
• Ability to thrive in early-stage, iterative environments.

Responsibilities

• Build robust, well-tested, and performant backend services that integrate with customer systems to reduce scams.
• Design intuitive APIs for seamless integration and scalability.
• Understand and drive adherence to best practices for security, data management, and privacy.

Skills

Backend languages (Java/Scala/Go/Python/Rust)

Cloud technologies (Docker, Kubernetes, AWS/GCP)

Data governance

Job description

Senior Software Engineer

Company Description

Tunic Pay - VC‑backed fintech startup fighting scams

Job Description

Join Tunic Pay, a seed‑funded fintech startup in London, as a Senior Software Engineer. You'll build robust backend services to combat financial crime, rearchitecting payments infrastructure for unprecedented transaction insight. This role offers significant independence and impact, tackling complex challenges from user experiences to next‑gen security protocols in a 24/7/365 uptime environment.

Location

London, UK

Why this role is remarkable

• Drive significant impact by building core infrastructure to eliminate financial scams and crime globally.
• Join a seed‑funded fintech startup with strong traction, already partnering with major UK banks.
• Enjoy high autonomy and influence in shaping technical architecture and strategic decisions from the ground floor.

What you will do

• Build robust, well‑tested, and performant backend services that integrate with customer systems to reduce scams.
• Design intuitive APIs for seamless integration and scalability, contributing to crucial early technical decisions.
• Understand and drive adherence to best practices for security, data management, and privacy across the stack.

The ideal candidate

• Possesses 7+ years of experience architecting and maintaining fault‑tolerant, large‑scale distributed systems.
• Proficient in modern backend languages (Java/Scala/Go/Python/Rust) and cloud technologies (Docker, Kubernetes, AWS/GCP).
• Has experience in sensitive data contexts, understanding data governance, and thrives in early‑stage, iterative environments.

How to Apply

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.