Full Stack Engineer - TS/Next.js (Hybrid UK)

Sagacity Solutions; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Sagacity is seeking a frontend/full-stack engineer to join our close-knit, hybrid London team. You will work across the stack—TypeScript, Next.js front end, Node APIs, SQL, and Databricks—driving tickets from design to live deployment and helping shape engineering standards.

You’ll collaborate with a tech lead and mentor, own platform areas over time, and contribute to client data solutions. UK travel may be required.

Qualifications

• Two to four years building production web applications in TypeScript and React.
• Experience with API design and consumption; solid SQL skills.
• Experience maintaining code and standing behind shipped work.
• Strong ownership mindset and problem-solving能力.

Responsibilities

• Build and release features across the Dot stack from Next.js/React to Node APIs and SQL.
• Own one or two platform areas, including bugs, support queries and documentation.
• Take refined tickets through to live deployment with code reviews.
• Update documentation as part of every ticket and test thoroughly before review.
• Support the area you own in the support queue and mitigate blockers.

Skills

TypeScript

React

APIs

SQL

Databricks

Testing/QA

Communication

Collaboration

Problem solving

Travel UK

Tools

Next.js

Node.js

Databricks

Job description

Sagacity is seeking a frontend/full-stack engineer to join our close-knit, hybrid London team. You will work across the stack—TypeScript, Next.js front end, Node APIs, SQL, and Databricks—driving tickets from design to live deployment and helping shape engineering standards.

You’ll collaborate with a tech lead and mentor, own platform areas over time, and contribute to client data solutions. UK travel may be required.