Full Stack Software Developer in Sheffield

Overview

Contract: Full-time, permanent

Team: Global Development Lab

Office Location: UK Remote

The role

Full Stack Software Developer will be responsible for supporting and maintaining backend services for our Angular based frontend. The product you will be supporting is developed with a .NET backend, and relies heavily on integrations with MS Dynamics 365; however, as part of this role you will be working with the lead developer to refactor much of the solution into a cloud native application. You’ll participate in the problem definition and solution process with a diverse group of developers, designers and business owners from around the world.

What your day will look like

• Design, build, and maintain cloud-native backend services using .NET 8/9
• Develop and maintain React-based micro front-ends, integrating with shared platform services
• Implement and consume RESTful APIs (internal and external), following versioning and security best practices
• Contribute to a microservices architecture, including service decomposition and domain ownership
• Build asynchronous, event-driven workflows using message-based integration (e.g., MassTransit, SQS / Azure Service Bus)
• Work with NoSQL and cloud-native data stores (e.g., MongoDB-style databases)
• Participate in architecture discussions and contribute to TOGAF-aligned documentation, ADRs, and service designs
• Write high-quality, testable code with meaningful unit and integration tests
• Support CI/CD pipelines and deployment workflows using GitLab
• Practical experience using AI-assisted development tools (e.g., IDE-integrated copilots, design assistants, or similar) in a professional engineering workflow
• Ability to critically evaluate AI-generated outputs and ensure correctness, security, maintainability, and architectural alignment

The team

The Fragomen Global Development Lab (GDL) is an innovation group within Fragomen focused on developing and supporting technology solutions targeting business travel, mobility, and cross border employment compliance.

What we are looking for

Essential criteria:

• Experience in developing in a remote agile team
• Experience with .NET REST API development, including experience with OData
• Ability to develop using FAST principles and with robust unit testing
• Experience with Microsoft Dynamics 365, plugin development and XRM Toolbox

Note: Some overtime will be required, and the candidate must be available to work off hours on evenings and weekends as needed.

What we offer

A career at Fragomen will provide you with the opportunity to work in an exciting environment for a broad range of clients, where no two days will be the same. You will face interesting challenges, and will work with dedicated, friendly and ambitious people, where providing exceptional client service is at the core of what we do. We are extremely proud of our workforce at Fragomen, and we are fully committed to providing equal opportunities.

At Fragomen, we value our employees and are committed to providing a comprehensive benefits package that supports your well-being and professional growth. Our UK offerings include:

• Competitive Salary: We offer salaries that reflect your skills and experience
• Health and Wellness: A comprehensive employee assistance programme, gym discounts, medical insurance, Headspace membership and wellbeing platforms
• Lifestyle and Savings: Discount platforms, cycle to work scheme, electric car lease scheme, season ticket loans and family support resources
• Protection and Security: Life assurance, group income protection and a workplace pension scheme including a 5% employer contribution
• Time Away from Work: 25 days annual leave, + bank holidays and 3 personal leave days. Enhanced family leave policies, volunteering days and birthday leave
• Professional Development: Access to our e-learning platform, mentoring schemes and training bursaries (where applicable)

What to expect

Once you have submitted your application, our Talent Acquisition team will review your skills and experience. If these match the requirements of the position, a member of our team will contact you to schedule an initial phone call. If shortlisted, you will be invited to participate in our interview process, which will consist of at least two stages, one of which will be conducted in-person. Depending on the role, you may also be required to complete a written assessment. After the interviews, we will carefully evaluate all candidates and make our final decision. You will be notified of the outcome and feedback will be provided.

At Fragomen, we are committed to fostering an inclusive and accessible workplace for all applicants and employees. If you require any specific accommodations or support during the interview process, please let us know, and we will consider what reasonable adjustments are possible to meet your needs.

Who we are

At Fragomen, we are more than a global immigration services provider – we are pioneers shaping the future of mobility. With a passion for navigating the complexities of immigration, we help individuals and businesses transcend borders, unlocking opportunities around the world. As a forward-thinking, global business, we combine deep expertise with innovative technology to craft solutions that not only simplify the immigration process but also drive strategic success for our clients. Whether it is assisting multinational companies or helping people start new chapters in their lives, we are driven by the belief that global movement is the key to unlocking a world of possibilities.

We are proud of our team spirit, and we like to reflect this in the way that we work and everything we do. Our Responsible Business Practices (RBP) prioritize Fragomen's social responsibility through a cohesive strategy covering five key focus areas: Corporate Social Responsibility, Culture and Inclusion, Sustainability, Well-Being and Pro Bono. Our RBP initiatives offer great opportunities for everyone at Fragomen to feel included, get involved and shape thoughtful initiatives and activities.

Fragomen is committed to promoting equal opportunities for all employees and applicants, regardless of race, ethnicity, heritage, gender, age, religion, disability, sexual orientation, gender identity or intersex status.

All offers and/or employment contracts are contingent upon the successful completion of the Firm’s pre-employment screening process. This process may include verifying the candidate’s identity, confirming legal authorization to work in the offered position's location, and conducting a comprehensive background check, where permitted by local regulations.