Senior Software Engineer (Typescript/Node.js) at VC-backed fintech SaaS

Jack and Jill AI; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading fintech company in London is seeking a Senior Software Engineer to drive the development of robust backend systems. The role involves leveraging expertise in Typescript and Node.js to build scalable solutions and optimize relational databases like PostgreSQL. Suitable candidates will have extensive experience in backend development and prior work in a SaaS environment, engaging in a high-impact role within a dynamic team that contributes to critical financial infrastructure.

Benefits

Opportunity to build critical financial infrastructure

Work in a fast-growing, well-funded fintech environment

Significant ownership over key backend systems

Qualifications

• Extensive experience with Typescript and Node.js for backend development.
• Proven expertise in relational databases (e.g., PostgreSQL, MySQL, MariaDB).
• Prior experience working within a SaaS company environment.

Responsibilities

• Design and implement scalable backend services using Typescript and Node.js.
• Optimize and manage relational databases such as PostgreSQL, MySQL, or MariaDB.
• Collaborate with cross-functional teams to deliver high-quality software solutions and features.

Skills

Typescript

Node.js

Relational databases

Job description

Senior Software Engineer

Company Description

VC-backed fintech SaaS platform

Job Description

Join a dynamic team as a Senior Software Engineer, driving the development of robust backend systems. You'll leverage your expertise in Typescript and Node.js to build scalable solutions, working with relational databases like PostgreSQL. This role offers the chance to make a significant impact within a fast-paced SaaS environment, contributing to critical financial infrastructure.

Location

London, UK

Why this role is remarkable

• Opportunity to build critical financial infrastructure within a rapidly evolving sector.
• Work in a fast-growing, well-funded fintech environment backed by top-tier VCs.
• High-impact role with significant ownership over key backend systems on a cutting-edge SaaS platform.

What you will do

• Design and implement scalable backend services using Typescript and Node.js.
• Optimize and manage relational databases such as PostgreSQL, MySQL, or MariaDB.
• Collaborate with cross-functional teams to deliver high-quality software solutions and features.

The ideal candidate

• Extensive experience with Typescript and Node.js for backend development.
• Proven expertise in relational databases (e.g., PostgreSQL, MySQL, MariaDB).
• Prior experience working within a SaaS company environment.