Backend Developer

MCS Group; Belfast City District; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid work model

Exposure to international projects

Competitive salary

Career development opportunities

Collaborative engineering environment

Job summary

MCS Group is partnering with a leading technology organisation in Belfast to appoint a Senior Backend Developer. You will join a collaborative engineering team working on a major finance systems integration project and then help evolve a wider platform.

The role combines hands-on development in C# and .NET with regular stakeholder engagement and client interaction, and offers a hybrid working model (3 days in office / 2 days from home) and a competitive salary with excellent benefits.

Qualifications

• 4+ years’ commercial experience with C# and .NET.
• Experience building and consuming RESTful APIs and system integrations.
• Knowledge of modern and legacy Microsoft development environments.
• Strong communication and stakeholder management skills.

Responsibilities

• Design and develop backend solutions with C# and .NET.
• Build and maintain Web API integrations between systems.
• Support Dynamics integrations with existing platforms.
• Enhance and maintain back-office applications.
• Work across modern and legacy .NET technologies.
• Participate in design discussions and solution planning.
• Collaborate with internal teams and external stakeholders.
• Serve as technical point of contact during delivery.
• Contribute to improvements in development processes and architecture.

Skills

C# & .NET

RESTful APIs

Stakeholder mgmt

Dynamics integrations

Job description

Senior Backend Developer (.NET)

Belfast - Hybrid (3 Days Office / 2 Days Home)

Competitive Salary + Excellent Benefits

The Opportunity

MCS Group are delighted to be partnering with a leading technology organisation as they seek to appoint a Senior Backend Developer to join their engineering team.

This is an exciting opportunity to join a well-established software business delivering solutions for a large international client. The successful candidate will play a key role in the delivery of a major finance systems integration project before moving on to support the continued development and enhancement of a wider business‑critical platform.

Working within a small, highly collaborative team, this role offers the opportunity to combine strong technical expertise with regular stakeholder engagement, making it ideal for an engineer who enjoys both hands‑on development and client interaction.

The Role

As a Senior Backend Developer, you will join a dedicated development team responsible for delivering backend solutions and integrations across a complex business platform.

Your initial focus will be on a major finance project involving the integration of a new Microsoft Dynamics platform with existing back-office systems. Following project delivery, you will continue contributing to the development and enhancement of the wider platform ecosystem.

Responsibilities will include:

• Designing and developing backend solutions using C# and .NET technologies
• Building and maintaining Web API integrations between business‑critical systems
• Supporting the integration of Microsoft Dynamics with existing platforms
• Enhancing and maintaining existing back‑office applications
• Working across both modern .NET technologies and legacy systems where required
• Participating in technical design discussions and solution planning
• Collaborating closely with internal teams and external stakeholders
• Acting as a technical point of contact during project delivery
• Contributing to ongoing improvements across development processes and systems architecture

What You Need

• 4+ years commercial experience developing applications using C# and .NET
• Experience building and consuming RESTful APIs and system integrations
• Knowledge of both modern .NET technologies and traditional Microsoft development environments
• Strong understanding of software development best practices
• Excellent communication and stakeholder management skills
• Ability to work closely with clients and translate business requirements into technical solutions
• Experience with Microsoft Dynamics integrations would be advantageous
• Previous exposure to finance systems would be beneficial but is not essential

Package & Benefits

• Competitive salary
• Flexibility for exceptional candidates
• Hybrid working model
• Exposure to large‑scale international projects
• Opportunity to work closely with end clients and key stakeholders
• Collaborative and supportive engineering environment
• Ongoing learning and career development opportunities

This is an excellent opportunity for a Senior Backend Developer with strong C# and .NET experience to join a growing engineering team, working on a major finance integration project before contributing to the continued evolution of a large‑scale business platform.

We are committed to providing reasonable accommodation to individuals with disabilities throughout the recruitment process. Please let us know if you require any adjustments.