Software Developer (.NET)

Cognibox; Bath; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A technology firm in Bath is seeking a Software Developer (.NET) to build high-quality applications in a collaborative Agile environment. The role includes mentoring, driving improvements, and contributing to innovative solutions within the organization. You will work closely with cross-functional teams and utilize a variety of technologies including .NET Framework and Azure services. Enjoy a hybrid workplace policy with generous perks and a commitment to diversity.

Benefits

Enhanced Parental Leave

Generous annual leave

Healthcare Plan

Annual Giving Day

Cycle-to-work Scheme

Pension scheme with employer contributions

Life Assurance

Rewards Program

LinkedIn Learning License

Qualifications

• Strong hands-on experience with .NET Framework and .NET Core.
• Ability to clearly communicate complex technical ideas to non-technical audiences.
• Self-motivated, adaptable, and thrive in a fast-paced environment.

Responsibilities

• Be a key contributor to our development team, delivering secure, scalable, and maintainable software solutions.
• Collaborate with product managers, designers, and stakeholders to transform user requirements into functional, efficient software.
• Participate in shaping our product roadmap and help define the features and services of the future.

Skills

.NET Framework

.NET Core

ASP.NET MVC

Web Forms

HTML

CSS

SASS

JavaScript/TypeScript

RESTful APIs

Entity Framework

SQL Server

Agile development

DevOps

CI/CD

Azure

Windows Services

Job description

Software Developer (.NET)

Department: Technology & Product

Employment Type: Permanent

Location: Bath, UK

Reporting To: Development Manager

Description

Building innovative solutions; enabling safer workplaces for everyone.

We’ll create a safer working world, building software to support a global network of responsible buyers, suppliers and partners. At Alcumus we take the pain out of compliance for over 50,000 organisations globally, helping them protect their people, their operations, and the planet. The tech we build today, will create a better tomorrow.

We're on the lookout for a skilled Software Developer (.NET) who thrives in a collaborative, Agile environment and is passionate about building high-quality applications that solve real-world problems.

As a Developer on our growing team, you’ll play a vital role in shaping the tools, services, and platforms that power our business. You won’t just write code - you’ll help shape how we work, mentor others, and contribute to a culture of innovation and excellence.

What that means day to day

• Be a key contributor to our development team, delivering secure, scalable, and maintainable software solutions.
• Build, test, and maintain high-quality code for web, mobile, and desktop business applications using modern technologies and frameworks.
• Collaborate with product managers, designers, and stakeholders to transform user requirements into functional, efficient software.
• Contribute to technical discussions, peer-reviews, and the ongoing improvement of development practices and team workflow.
• Drive improvements across services and platforms through automation, best practices, and clean coding principles.
• Support and troubleshoot issues as part of third-level support, taking ownership and driving resolution.
• Act as a technical resource and mentor for junior developers, fostering learning and collaboration.
• Translate technical concepts into plain language, bridging the gap between development and business teams.
• Participate in shaping our product roadmap and help define the features and services of the future.
• Stay up to date with emerging technologies and bring innovative solutions to the table.

What you’ll need to be successful

• Strong hands-on experience with .NET Framework and .NET Core
• Proficient in ASP.NET MVC and Web Forms
• Skilled in HTML, CSS, SASS, JavaScript/TypeScript
• Solid understanding of RESTful APIs, Entity Framework, and SQL Server
• Experience working in an Agile development environment
• Ability to clearly communicate complex technical ideas to non-technical audiences
• Strong problem-solving skills and a continuous improvement mindset
• Proven track record of collaborating across teams and managing stakeholder expectations
• Familiarity with DevOps practices and CI/CD pipelines
• Exposure to Azure services and environments
• Experience with Windows Services
• Knowledge of asynchronous programming, caching, and logging techniques
• You're self-motivated, adaptable, and thrive in a fast-paced environment.
• You care about quality - not just in code, but in how we work as a team.
• You enjoy mentoring others and contributing to a positive, inclusive work culture.
• You bring energy, curiosity, and a desire to learn and grow with the team.

What you'll get in return

Alcumus has a hybrid workplace policy, where you will work from the office 3 days per week. We want you to be able to do your best work here. We emphasize providing many ways to support our team to do their best work and below are some of the perks and benefits we offer:

Personal Health & Wellbeing / Benefits

• 🍼 Enhanced Parental Leave
• 🌴Generous annual leave
• 🏥 Healthcare Plan
• 💟 Annual Giving Day – an extra day to give back to yourself or your community
• 🚲 Cycle-to-work Scheme

Future Planning

• 💰 Pension scheme with employer contributions
• 🧬 Life Assurance – 3X base salary
• 💸 Rewards Program – access to discounts and cashback
• 🏫 LinkedIn Learning License for upskilling & development

Interested but don’t feel you meet all the requirements?

Our recruitment team assesses and reviews all applications against the role and business needs. We believe in people having transferable and soft skills and want you to know that we do consider where an individual might not meet all the criteria, but have the aptitude and capability, nonetheless. Our priority is to ensure we set people up for success. We will make a final call based on our determining whether we can offer the necessary support to upskill or provide the developmental support needed for you to get the best out of this opportunity with us!

Bring Your Whole Self to Work.

Alcumus is proudly an equal‑opportunity employer. We are committed to ensuring that no candidate is discriminated against because of gender identity and expression, race, disability, ethnicity, sexual orientation, age, colour, region, creed, national origin, or sex. We are dedicated to growing a diverse team while continuing to create an inclusive environment where everyone feels safe and empowered to be themselves.

What you can expect if you apply:

• A response to your application within 15 working days
• An interview process consisting of:
  • An initial discovery call with the recruiter
  • A first stage interview via Microsoft Teams
  • Additional interview (likely face to face) with the stakeholders you’ll be working with closely in the role

We’re keen to ensure our hiring process allows you to be at your best, so if you need us to make any adjustments, please just let us know.