Senior Software Engineer (.NET) Fixed Term Contract (12 months)

Ascenti; United Kingdom; Remote; GBP 50,000 - 80,000; Full time

Job summary

Ascenti is seeking a Senior Software Engineer (.NET) for a full-time, 12-month fixed-term contract. In this role, you will lead software development projects, mentor junior engineers, and contribute to health tech innovation. This position offers flexible working and a people-centric culture focused on enhancing digital infrastructure.

Benefits

Flexible working

Vitality at Work membership

Exclusive discounts

Qualifications

• Strong knowledge of .NET, ASP.NET, Web API.
• Experience in Cloud technologies (Azure or AWS).
• Experience with CI/CD pipelines.

Responsibilities

• Lead the design and delivery of new software features.
• Collaborate with teams to align development with strategic goals.
• Mentor junior engineers and promote coding standards.

Skills

.NET

ASP.NET

C#

React

Cloud technologies

Agile software development

Continuous Integration and Continuous Delivery (CI/CD)

Education

Bachelor’s degree in computer science or related field

Job description

Senior Software Engineer (.NET) Fixed Term Contract (12 months)

Location: Remote, United Kingdom - with travel as required

At Ascenti, we help thousands of people every day to elevate their health and live active lives. With over 25 years of experience in the public and private sectors, we’re proud to foster a progressive, values-led workplace where our people thrive.

About the role

We’re looking for a Senior Software Engineer (.NET) to join our Ascenti Digital team on a full-time, 12-month fixed-term contract. This is a critical role that supports the delivery of scalable software solutions across our digital infrastructure, helping us improve outcomes for patients, clinicians, and partners.

You’ll take technical ownership of core platforms, developing and maintaining components built in ASP.NET, C#, and React. You’ll work closely with other engineers and stakeholders to iterate on existing features and build new applications aligned to our roadmap. You’ll also mentor junior engineers and help shape our coding standards and development practices.

This role is ideal for someone who brings strong full-stack engineering experience, a collaborative mindset, and a desire to make meaningful contributions to health tech innovation.

What you’ll be doing

As a Senior Software Engineer (.NET), you’ll:

• Lead the design, implementation, and delivery of new software features and product fixes.
• Take ownership of system components, making decisions about future improvements.
• Collaborate with stakeholders and teams across the business to align development with strategic goals.
• Contribute to product innovation and iteration, supporting the overall digital strategy.
• Mentor junior software engineers and promote a culture of quality and shared learning.
• Provide input into agile processes and promote data-driven development approaches.
• Contribute to projects that enhance user experience (UX) and business outcomes.
• Support broader digital transformation initiatives across the organisation.

Benefits & culture

We strive to live and breathe our values, underpinned by a passion for what we do and a people-centric approach. Our benefits include flexible working, Vitality at Work membership, exclusive discounts, and more. Learn more at: ascenti.co.uk/benefits

• Strong working knowledge of .NET/ ASP.NET/ Web API.
• Knowledge of Cloud technologies – Azure or Amazon Web Services (AWS).
• Building Continuous Integration and Continuous Delivery (CI/CD) pipelines.
• Solid understanding of modern architectures for developing applications and websites.
• Full stack development with experience of managing systems across the front and back ends.
• History of working in agile software development teams.
• Bachelor’s degree in computer science or other related field or equivalent professional experience.
• Proven track record delivering websites and/or windows applications.