Senior Developer

Lane Clark & Peacock; Winchester; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Lane Clark & Peacock seeks an experienced senior developer to own major features on the Pulse platform. You will design, build and maintain secure APIs and services in C#/.NET, mentor teammates and drive high-quality software through to release and live support.

You will work closely with product stakeholders, maintain data-access layers with EF and SQL Server/Azure SQL, and help improve performance, reliability and security while contributing to CI/CD and testing practices.

Qualifications

• Strong development experience in C# / .NET and API design.
• Ability to mentor teammates and provide constructive code reviews.
• Proven testing, security awareness and clean-code practices.
• Experience with EF, SQL Server/Azure SQL and Azure services.
• Ability to contribute to CI/CD and release processes.

Responsibilities

• Take technical ownership of substantial features from design to live support.
• Design, develop and maintain secure, scalable APIs and services using C#/.NET.
• Develop and maintain data-access solutions with EF and SQL Server/Azure SQL; optimize performance.
• Mentor colleagues through code reviews and knowledge sharing; remove blockers.
• Support CI/CD pipelines and release management with proper testing and monitoring.
• Collaborate with Digital Services to align with internal standards.
• Proactively monitor reliability, performance and security; drive improvements.

Skills

C#

.NET

ASP.NET Core

API design

Unit testing

Mentoring

CI/CD

Security practices

Code reviews

Tools

Entity Framework

SQL Server

Azure SQL

Azure Functions

WebJobs

Blob Storage

Application Insights

Azure services

Job description

What will you be doing?

You will take ownership of significant pieces of work within the Pulse platform, helping to turn business needs into secure, scalable and maintainable technical solutions. You will work closely with developers, product stakeholders and colleagues across LCP to shape designs, make sound technical decisions and deliver high-quality functionality through to release and ongoing support.

As a senior member of the team, you will set a positive example in the quality of your work and the way you collaborate. You will support colleagues through mentoring, constructive code reviews and knowledge sharing, while helping to remove blockers and maintain progress towards the team’s priorities.

Your responsibilities will include:

• Taking technical ownership of substantial features and improvements, from initial design through development, testing, release and live support
• Designing, developing and maintaining secure, scalable APIs, services and application functionality, primarily using C# and .NET
• Developing and maintaining data-access solutions, including Entity Framework and SQL Server / Azure SQL, and improving application and database performance where needed
• Maintaining and evolving the Pulse platform by identifying technical debt, reliability concerns, performance issues and process inefficiencies, and helping the team prioritise proportionate improvements
• Planning and contributing to more substantial refactoring or re-architecture work where this is needed to support the platform’s longer-term health and direction
• Building and maintaining appropriate monitoring, logging and alerting — including through Application Insights and related Azure services — to support proactive issue detection and reliable operation
• Supporting CI/CD pipelines and release management, helping to ensure releases are appropriately planned, tested, deployed and monitored
• Working collaboratively with Digital Services and other colleagues to ensure solutions align with internal engineering standards, architecture and good practice
• Supporting the development of the wider team through mentoring, knowledge sharing and constructive, timely code reviews
• Helping to remove blockers affecting your own work and the wider team, while maintaining focus on the team’s agreed priorities
• Using AI-assisted development tools effectively and responsibly, while retaining accountability for code quality, security and a clear understanding of the solutions delivered

What skills and experience are we looking for?

• Strong development experience in C# and .NET, ideally .NET 8 or later
• Experience building web applications, APIs and back-end services using ASP.NET / ASP.NET Core
• The ability to design and deliver secure, scalable and maintainable API-based solutions
• Strong practical experience of Entity Framework / Entity Framework Core and relational databases, including SQL Server and/or Azure SQL
• The ability to investigate and improve application and database performance, including C# code, SQL queries and data-access patterns
• Experience writing clean, maintainable and well-tested code, with a practical understanding of SOLID principles, appropriate design patterns and clean-code practices
• Experience developing and maintaining automated tests, including unit, integration and regression tests
• Working knowledge of Azure services, including Azure Functions, WebJobs and Blob Storage
• Experience working with source control, CI/CD pipelines and automated build and deployment processes
• Experience supporting software in live environments, including release management, incident investigation and resolving production issues
• A sound understanding of secure software-development practices, including the importance of protecting sensitive data
• The ability to mentor and support other developers, providing constructive technical feedback and code reviews
• A pragmatic and proactive approach to problem-solving, with good judgement about priorities, delivery pace, effort and value

What’s in it for you?

Take a look at our and Career stories pages to see why our people love being here! As well as joining a certified B-Corp, multi-award winning, fun, collaborative, people first organisation where your personal and professional skills will be developed to make you the best you can be, we offer an attractive benefits package designed to promote your overall wellbeing so that you are able to perform to your full potential both in and out of work. Currently our core benefits package includes:

For you:

• Hybrid working (see top of the advert for details)
• Professional study support (where applicable)
• Access to our internal Wellbeing, LGBTQ+, Multicultural and Women’s networks
• For your family:
• Life assurance
• Income protection
• Enhanced maternity/paternity/adoption and shared parental leave

For your health:

• 26 days annual leave (pro-rata for part-time working) plus bank holidays (most of which can be taken flexibly!) with options to buy & sell holiday
• Private medical insurance
• Discounted gym memberships, critical illness and dental insurance through our flexible benefits
• Eye care vouchers
• Cycle to work scheme
• Digital GP services

For your wealth:

• Competitive pension scheme
• Discretionary bonus scheme
• High street discounts
• Season ticket loans

For others:

• Volunteering opportunities

For the environment:

• Electric vehicle salary sacrifice scheme (qualifying period applies)