Senior Developer

At ALS, we encourage you to dream big. When you join us, you’ll be part of a global team harnessing the power of scientific testing and data-driven insights to build a healthier future. Are you a skilled developer with a passion for building reliable, business-critical systems? ALS is looking for a Senior Developer to join our experienced development team. Based in the UK, you will play a key role in enhancing and supporting our Laboratory Information Management System (LIMS) and associated internal platforms. This is an exciting opportunity to contribute to innovative solutions that underpin essential laboratory operations across the country. We offer a collaborative, forward-thinking work environment, where your expertise will help shape systems that matter. Flexible working arrangements and hybrid options are available. Hours Per Week: 37 Days Per Week: Monday to Friday Contract: Full Time & Permanent Salary: Starting from £45,000 per annum Hiring Manager: Amy Jackman Location: Coventry or Wakefield (other UK locations can be discussed) Closing Date: Friday 31st October 2025 The day to day As a Senior Developer, you’ll be hands-on with a wide range of responsibilities, including:

• Designing, developing, and maintaining backend systems using C# / .NET technologies.
• Providing 3rd line support for identifying and resolving bugs in the production environment.
• Enhancing existing modules within our Laboratory Information Management System (LIMS).
• Working with MS SQL Server for database design, query optimisation, and performance improvements.
• Developing and maintaining RESTful APIs and integrations with internal and external systems.
• Participating in solution design, code reviews, and promoting best practices within the team.
• Collaborating with business analysts, system specialists, and stakeholders to understand and translate business requirements into robust technical solutions.

The Essentials We’re looking for someone who brings both technical strength and real-world experience to the table. You’ll need:

• A minimum of 5 years' professional experience in software development.
• Strong proficiency in C# and .NET (Core or newer), and sound knowledge of object-oriented principles.
• Solid experience with MS SQL Server, including stored procedures and performance tuning.
• Previous work with LIMS or similar data-driven business systems.
• Familiarity with Entity Framework Core, asynchronous programming, and API design.
• Hands-on experience with version control systems (e.g., Git) and Agile methodologies.
• A logical, analytical approach and a commitment to writing maintainable, high-quality code.

It’s a bonus if you also have:

• Experience with VB.NET, SSRS, or modern front-end frameworks such as Blazor, React, or Angular.
• Knowledge of Azure, Docker, or Kubernetes.
• Exposure to DevOps, CI/CD pipelines, or automated testing frameworks.

Our benefits include:

• Annual Leave commencing at 25 days (rising to 30) plus 8 public holidays (pro rata for part time)
• Ability to Buy annual leave.
• Enhanced Company Sick Pay Scheme
• Salary Progression Scheme based on technical and behavioural competencies.
• ‘Celebrating Success’ Recognition Awards
• Perkbox membership providing access to discount vouchers and wellness hub.
• Learning/study support
• Group Personal Pension Plan
• Car Parking on-site

Working at ALS The ALS team is a diverse and dedicated community united by our passion to make a difference in the world. Our values are important to us, and shape how we work, how we treat each other and how we recognise excellence. At ALS, you’ll be supported to develop new skills and reach your full potential. We invest in our people with programs and opportunities that help you build a diverse career with us. We want everyone to have a safe, flexible and rewarding career that makes a positive impact on our people, the planet and our communities. Everyone Matters ALS is proud to be an equal opportunity employer and is committed to fostering an inclusive work environment where the strengths and perspectives of each employee are both recognised and valued. ALS also welcomes applications from people with all levels of ability. Accommodation is available on request for candidates taking part in all aspects of the selection process.  Eligibility To be eligible to work at ALS you must be a Citizen or Permanent Resident of the country you are applying for, or either hold or be able to obtain, a valid working visa. How To Apply Please apply on-line and provide a cover letter and CV that best demonstrate your motivation and ability to meet the requirements of this role.