Senior Full Stack Engineer

Senior Full Stack Engineer Node.js & SQL Data Heavy FinTech Platform

You’ll join a 50 person, London/US SaaS scale up serving top tier investment firms with a market leading, data analytics platform for global credit investors (think Reuters and Bloomberg)

The engineering org is London based (circa 13–14 people across DevOps, Frontend, AI/ML, Backend, and QA). Everything is the latest and greatest tech in the cloud, serverless etc.

The office is based in Victoria and the team go in twice a week (Mondays & Wednesdays) for collaboration meetings.

The Role

In this role, 80% of your time will be spent on development (Node.js) and 20% of your time leading projects. When you're developing, 90% of this time will be working on Node.js code with a light 10% frontend touch, designing and delivering features end to end while helping re architect a platform that processes billions of rows of financial data. You’ll drive architectural decisions, own services to production, and contribute to how massive datasets are modelled, partitioned, and served to customers.

Non Negotiables:

8–10 years’ software engineering experience across multiple environments

Node.js backend development

SQL mastery with experience of working with large scale, data heavy systems (our client has billions of rows)

Architectural design experience and comfort with frequent releases/peer review

Product mindset and ownership from build to deploy in an agile environment

What You’ll Work With

Backend: Node.js (plus some Python, C++)

Frontend: JavaScript (Vue.js) & TypeScript

Data: PostgreSQL & DynamoDB

Cloud & CI/CD: AWS Lambda, GitHub Actions

Nice to Haves

Financial services or large scale market data experience

Python & C++ Development experience

Database partitioning/re architecture exposure

Mentoring/tech lead experience (or appetite to step up)

Modern software engineering/development practices, including micro-services, agile, TDD, etc. and common system integration patterns

Knowledge of AWS services and IaC

Why Join / Projects

Re architect and scale core services powering a must have analytics product

Get the product ready for some serious scale & growth

Shape data models and access patterns for huge datasets and new product lines (beyond bonds & credit into new systems like loans, etc.)

High trust engineering culture: own your code to production with you personally making 10–12 deploys per day

Direct impact on customers who analyse and ingest your data via APIs at a serious scale

Clear growth path with potential to move into team leadership

Employee Benefits

Salary: £100,000–120,000 circa

Hybrid: 2 days in office (Mondays & Wednesdays, non negotiable) in Victoria area, London

Pension scheme; private medical; basic on site gym access

25 days’ holiday plus bank holidays; learning & development; team events; cycle to work; choice of quality hardware

A great role here and the chance to work with an awesome team. Apply ASAP!

Senior Full Stack Engineer Node.js & SQL Data Heavy FinTech Platform