Senior Frontend Engineer (Typescript) in Bristol

digiLab is a formative AI company with world‑leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest. Our customers are among the largest and most advanced engineering and science‑led organisations in the world, and they're using our technology to tackle some of society's biggest challenges. At the heart of our work is the Uncertainty Engine, digiLab's trustworthy and explainable AI platform, enabling our customers to accelerate innovation, reduce risk, and deliver real value through more confident decisions.

We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript to design and build the user‑centric interfaces that make trustworthy AI usable. This is a hands‑on technical role that combines deep frontend expertise with a collaborative, product‑minded approach.

Responsibilities

• Collaborating with a cross‑functional team to develop and maintain high‑quality frontend software solutions.
• Contributing to the architectural design, development, testing, and deployment of frontend applications.
• Developing applications with React and TypeScript, ensuring a high‑quality, scalable, and secure codebase.
• Applying security best practices throughout the software development lifecycle.
• Mentoring and guiding junior engineers, fostering a collaborative and learning‑oriented environment.
• Demonstrating a deep understanding of React and TypeScript, and ability to communicate technical expertise.
• Solid understanding of CI/CD pipelines and ensuring efficient deployment processes for frontend code.
• Championing “Scrum” and making strong contributions to team‑process improvements.
• Collaborating with product management to understand and translate business requirements into technical frontend solutions.
• Providing technical support to internal customer‑facing engineers and leading diagnosis and mitigation in incident management investigations.

Qualifications

• Degree‑level qualification in computer science or related field.
• Sufficient industry experience in software development.
• Expertise in React, and React’s functional component paradigm, hooks, and custom hook patterns.
• Strong proficiency with TypeScript.
• Expertise in CSS, and experience with a variety of modern CSS approaches.
• Ability to write logical, self‑explanatory, and consistent code.
• Experience with user‑account management and secure frontend development.
• Professional experience with RESTful API design and best practices.
• Strong understanding of frontend software design patterns, SOLID, DRY principles, and architectural patterns.
• Experience with Git/GitHub and best practices.
• Familiarity with CI/CD pipelines and deployment automation.
• Knowledge of the software testing pyramid and automated testing (smoke, component, unit, performance, load, end‑to‑end).
• Understanding of UI/UX design principles and a keen eye for detail.
• Proven ability to collaborate in a fast‑paced “Agile” team, preferably using “Scrum.”
• Excellent communication and interpersonal skills.
• Proven ability to lead and mentor junior engineers.

Nice to Have

• Master’s degree in a related field.
• Experience with AWS: IAM, Lambda, S3, CloudWatch, CloudFormation, API Gateway, ECR, EC2, Cognito.
• Experience with canvas/diagram libraries (like Reactflow, FlowChart.js, etc.).
• Experience with popular state management libraries, for client and server state.
• Knowledge of deployment‑reliability engineering and reliability best practices.
• Experience with security best practices and frontend security concerns.

Location

This role is on‑site at our Exeter or Bristol office. Our standard working hours are 9.00–5.30pm, Monday to Thursday, though some flexibility outside these hours may be required to meet business needs.

Culture and Values

At digiLab, we’re building something we truly believe in, and we're looking for like‑minded people. We foster a culture of innovation, trust, and collaboration. Our values include:

• Creativity & Agility: Encouraging innovation and flexibility in goal achievement.
• Trust & Responsibility: Supporting each other in taking calculated risks for bold innovation.
• Open & Honest Collaboration: Ensuring transparent communication and alignment.
• High‑Performance Standards: Continuously challenging ourselves to excel in delivery.
• Value‑Driven Work: Regularly assessing our contributions toward company goals.

Benefits

• Competitive Salary
• Personal & professional development
• BUPA private health care (via salary sacrifice)
• Company Cashplan
• Cycle to work scheme
• Referral Program
• Regular social events such as pizza nights, kayaking, bouldering and bake offs

Equal Opportunity

digiLab is an equal opportunity employer. We welcome applications from candidates of all backgrounds and are committed to ensuring our recruitment processes are fair, inclusive, and legally compliant. We take equality, dignity, and non‑discrimination seriously.

Privacy Notice

The information you provide will be stored and used in line with our Privacy Notice.