Lead Software Developer

Position Title:

Lead Software Developer

Team:
Engineering

Department:
Technology

Established in 1982, Bytes has grown rapidly and now employs over 800+ people across 6 locations in the UK and Ireland. Our turnover in Financial Year 2024 was in excess of £2bn. We work with SME’s, corporates and public sector organisations to modernise and digitally transform their IT infrastructures.

We invest in our employees through on-going support, training and advice to help them achieve their career aspirations, rewarding success both financially and personally. There is opportunity to grow and move internally which can be seen through our long-standing employees who have developed existing and new skills to move into senior positions in the organisation leaving space for new team members to begin their journey.

Your Future Starts Here

Why Bytes?

• Over 800 staff (plans to double in size over the next 5 years)
• Operating from modern, hybrid working environments with offices in Leatherhead, Reading, London, Manchester, Port Solent and Dublin.
• Winners of an array of industry awards
• Sunday Times Top 100 Best Places to Work
• Excellent training and career prospects offered
• Fantastic office with gym, canteen, open plan, smart casual dress code, regular incentives and company events
• Supporters of 85+ charities with strong commitment to diversity and sustainability

We are looking for a proactive, product-minded C# Developer to join our small, agile engineering team. The role will design, build and support secure, scalable applications across the full technology stack, with a strong focus on clean architecture, test-driven development and reliable delivery. You will be comfortable wearing multiple hats, learning new technologies and collaborating closely with product managers, designers and engineers to deliver user-centred solutions and drive technical excellence.

Design & Develop: Build and maintain backend services in C# using .NET Core/.NET 9, with a focus on clean architecture, scalability and maintainability.

Full-Stack Delivery: Implement responsive, performant front-end components in React and Next.js, integrating seamlessly with C# APIs.

Dev Ops & Deployment: Containerise applications with Docker, orchestrate with Kubernetes and manage Git Ops deployments using ArgoCD.

Cloud Infrastructure: Use Microsoft Azure services, including App Services, Functions, AKS and SQL Database, to host, scale and secure applications.

CI/CD & Security: Configure and maintain automated pipelines in Git Hub Actions or equivalent, integrate Snyk security scanning and manage delivery activity through JIRA.

INDIVIDUAL RESPONSIBILITIES:

Observability: Instrument applications using the LGTM stack, or equivalent logging, metrics and tracing tools, to support reliability and rapid incident response.

Database Management: Design and optimise PostgreSQL and Microsoft SQL Server schemas, queries and migrations, and manage database connections securely.

Collaboration & Mentorship: Work closely with product managers, designers and engineers, contributing to code reviews, pair programming, mentoring and knowledge sharing.

Quality & Testing: Champion Test-Driven Development and create effective unit, integration and end-to-end tests to maintain confidence in releases.

WIDER TEAM NETWORK

Internal: Product Managers, Designers, Engineering colleagues, Dev Ops/Cloud teams, Information Security and wider business stakeholders.

External: Technology partners, cloud and tooling providers, and other specialist suppliers where required.

Educational

Qualifications:

Relevant degree, apprenticeship or equivalent practical experience in software engineering or a…