Full Stack Enginer

White Swan Data; Greater London; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Salary based on experience

Annual discretionary performance bonus

Career growth opportunities

Flexible working hours

25 days holiday per annum + bank hols

Private health & dental insurance

Optical cover

Pension plan

Gympass membership to over 1900 gyms

Breakfast and lunch budget

Free coffee & snacks at the office

Regular team events

Job summary

White Swan Data is seeking a skilled Full Stack Engineer to join our London-based Engineering team. You will contribute to UI development with React, backend microservices in Node.js/Python, and data workloads on GCP, BigQuery and Pub/Sub.

The role covers the full stack from scoping to deployment, with a focus on reliability, performance and maintainability. You will own features end-to-end, collaborate with cross-functional teams, and help optimise cloud costs while delivering high-quality

Qualifications

• Strong experience in web UI development and backend microservices.
• Ability to own features from scoping to deployment.
• Experience collaborating across multiple teams and stacks.

Responsibilities

• Take ownership of GCP-hosted systems, including infrastructure decisions, resource usage and cloud costs.
• Translate high-level business requirements into reliable systems from initial scoping through development, deployment and ongoing support.
• Balance business priorities and delivery deadlines with technical debt and maintainability.
• Build and maintain microservice APIs, event-driven services and scheduled background tasks.
• Develop reusable, extensible React components to support a maintainable front-end architecture.
• Write and optimise complex PostgreSQL queries focusing on performance and database load.
• Communicate clearly with non-technical stakeholders to understand requirements and explain technical decisions.
• Maintain system reliability through automated testing, logging and monitoring.
• Use AI development tools to improve delivery speed while reviewing and validating generated code.

Skills

TypeScript

JavaScript

Node.js

React

Python

PostgreSQL

Education

Computer Science degree or equivalent

Tools

Cloud Run

BigQuery

Pub/Sub

Airflow

SCSS

Docker

CI/CD pipelines

React Native

Job description

Full Stack Enginer

Department: Engineering

Employment Type: Full Time

Location: London, UK

Description

The ideal candidate will have good experience in web application UI development, developing backend microservices, and event-based architecture. We are happy to meet developers with a particular interest in a subset of the whole stack but as a cross-functional team we need you to have working knowledge of the whole stack.

We have a microservice web application we use to manage an array of our front and middle office systems. This application is at the heart of our whole operation. Our engineering team works on a full development and operation model, we are seeking an experienced full stack developer to join that team.

Key Responsibilities

• Take ownership of GCP-hosted systems, including infrastructure decisions, resource usage and cloud costs.
• Translate high-level business requirements into reliable systems, taking projects from initial scoping through development, deployment and ongoing support.
• Balance business priorities and delivery deadlines with technical debt and long-term maintainability.
• Build and maintain microservice APIs, event-driven services and scheduled background tasks.
• Develop reusable, extensible React components to support a maintainable front-end architecture.
• Write and optimise complex PostgreSQL queries, focusing on performance, efficiency and database load.
• Communicate clearly with non-technical stakeholders to understand requirements and explain technical decisions.
• Maintain system reliability through automated testing, logging and monitoring.
• Use AI development tools to improve delivery speed while reviewing and validating generated code.

Skills, Knowledge and Expertise

• Strong development experience with TypeScript, JavaScript, Node.js, React and Python.
• Hands-on GCP experience, particularly with Cloud Run, BigQuery and Pub/Sub, alongside experience using Airflow for workflow orchestration.
• Strong PostgreSQL skills, including complex queries, query optimisation and database performance.
• Experience delivering reliable applications independently from limited initial requirements.
• A proactive, solutions-oriented approach, with sound judgement when balancing business needs and technical trade-offs.
• Experience with version control, collaborative development and reliable deployment practices.
• A Computer Science degree, a related technical qualification or equivalent practical experience.

Desirable Skills

• Experience with SCSS.
• Familiarity with Docker and containerised applications.
• Experience building and maintaining CI/CD pipelines.
• Experience developing mobile applications using React Native.

Benefits

• Salary depending on experience.
• Annual discretionary performance bonus.
• Opportunities for career growth in a dynamic and exciting industry.
• Flexible working hours, particularly during the football calendar.
• 25 days holiday per annum, plus UK bank holidays.
• Private health & dental insurance.
• Optical cover through Aviva.
• Pension plan.
• Gympass membership to over 1900 gyms and wellness businesses.
• Breakfast bought in everyday and lunch bought in twice a week
• Free coffee & snacks at the office.
• Regular team events & socials.