Senior Software Engineer

Redcat Digital; Greater London; On-site; GBP 65,000 - 105,000; Full time

Benefits offered by this job

£95,000 package

Bi-annual performance bonus

Equity

Legendary corporate trips

Healthcare

5% pension match

Job summary

Redcat Digital is seeking a senior engineer to join our rapid-growing fintech team in the FX risk domain. You will lead engineering efforts, shaping architecture and best practices across the stack.

You will build tools processing billions in transactions, mentor juniors, and collaborate with top engineers to deliver scalable, reliable solutions. Strong TypeScript/AWS skills required.

Qualifications

• Extensive experience with AWS services (API Gateway, Lambda, DynamoDB, SQS, Kinesis, S3).
• Experience implementing TDD, SOLID, and clean code practices.
• Experience building REST APIs, microservices, and event-driven architectures.

Responsibilities

• Senior member of engineering team building industry-leading products in FX risk management.
• Help build tools processing large transaction volumes for high-value clients.
• Act as technical leader and help set coding standards.
• Coach and mentor junior engineers and collaborate with fast-growing B2B fintech team.

Skills

Technical leadership

TDD practices

Clean code

SOLID principles

Tools

TypeScript

AWS

NodeJS

Serverless

REST APIs

React

Microservices

DynamoDB

Job description

Salary: £65,000 - 105,000 per year

Requirements:

• We are looking for someone who enjoys working in an energetic and dynamic environment.
• We need someone who is competent and comfortable working with TypeScript and serverless technologies.
• We require extensive experience working with AWS, including API Gateway, Lambda, DynamoDB, SQS, Kinesis, S3, and ELK.
• We want strong experience implementing best practices such as TDD, SOLID, and clean code.
• We are looking for experience developing REST APIs, microservices, relational databases, and event-driven architecture.
• Our tech stack includes Node, TypeScript, AWS, REST APIs, and React.

Responsibilities:

• We will have you join our engineering team as a senior member building industry-leading products within the FX risk management domain.
• We will have you help build tools that process transactions in the region of billions of pounds for high-value corporates and institutions around the world.
• We will have you act as a technical leader and help set standards for best practices.
• We will have you coach and mentor more junior members of the team.
• We will have you work alongside talented engineers to support our fast-growing B2B fintech business.

Technologies:

• API
• AWS
• Lambda
• ELK
• Support
• REST
• React
• Serverless
• TDD
• TypeScript
• microservices
• NodeJS
• Cloud
• DevOps

More:

We are one of the fastest-growing B2B fintech companies in Europe, providing real solutions for some of the biggest names in the industry as they navigate the currency market. We offer a package of £95,000, bi-annual performance bonus, equity, legendary corporate trips, healthcare, and a 5% pension match. Our team is committed to creating a diverse and inclusive environment for ourselves and our clients.

last updated 40 week of 2026