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C# Jobs in Belfast

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Discover the best C# jobs in Belfast on Haystack, your go-to IT job board. Whether you're a junior developer or an experienced software engineer, explore exciting opportunities with top tech companies in Belfast's growing digital scene. Start your C# career today and find your perfect role with competitive salaries and career growth.
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Technical Lead
Anson McCade
Multiple locations
Hybrid
Senior
£85,000 - £100,000
RECENTLY POSTED
aws
csharp
java
£85000-100000 GBP Hybrid WORKING Location: Manchester, North West - United Kingdom Type: PermanentTechnical Lead (Engineering Manager)£85,000 - £100,000 + packageManchester - HybridWe’re hiring a Technical Lead to join a consultancy that actually builds. Not theory decks. Not PowerPoint architecture. Real engineering outcomes for enterprise scale clients across multiple sectors.This is sleeves rolled up, hands-on technical leadership. If you are a highly involved Engineering Manager, Chief Engineer or Staff Engineer with a blend of hands-on coding and technical leadership of high performing engineering teams, this is a great one for you.What you’ll do:
Technically lead squads and guide high performing engineering teams on build
Architect, problem solve and design solutions end to end, not just ship features
Modern engineering: IaC, CI/CD, secure coding, event-driven architecture, TDD etc
Drive improvement across the whole SDLC
Work with clients directly (this is consultative delivery and advisory)
Support and shape proposals during early stage bids
What you’ll bring:
Extensive engineering experience within one or more of the following languages: Java, JavaScript/TS or C#
Extensive cloud deployment experience across AWS, Azure or GCP
Experience with IaC, CI/CD, TDD
Highly communicative and consulting astuteness to be client facing
Security Clearance Eligibility (you may work on public sector projects!)
The Package:
£85,000 - £100,000 base
Company bonus
Car Allowance (paid as cash)
Pension
Medical care
Share scheme
To hear more about the Technical Lead opportunity get in touch with Connor Smyth at Anson McCade on 020 7780 6706.Reference: AMC/CSM/TL-MNCPostcode: M1 1AD#cosm
Senior Technical Lead (Project Delivery)
Codec Systems Limited
Belfast
Hybrid
Senior
Private salary
RECENTLY POSTED
dot-net
csharp
Description Job Specification Role Title : Senior Technical Lead (Project Delivery) Location : Dublin, Ireland or UK (Hybrid / Client Site) Department : Application Modernisation & Enterprise Integration About Codec Codec is an award-winning digital transformation company with big growth ambitions. We are an established full-stack IT consultancy, a local alternative to the Big 4, headquartered in Dublin with offices in Galway, Belfast, London, Poland, and Germany. We are growing rapidly and have crafted a clear vision of the future, developing our own IP to complement the Cloud stacks from Microsoft. As we continue to win large-scale government and enterprise contracts, we need strong technical leadership on the ground. The Role Codec is seeking a Senior Technical Lead to spearhead the delivery of large-scale, long-term enterprise projects (12+ months). This is a hands-on, client-facing delivery role . You will not just be an architect in an ivory tower; you will be the “Captain of the Ship” for a dedicated client engagement. You will serve as the primary technical authority on the ground, leading a squad of developers to deliver robust Azure-based solutions while remaining hands-on with the code. Key Responsibilities Project Delivery LeadershipTechnical Ownership: Act as the Lead Architect/Developer for a dedicated client project. You own the technical roadmap, architecture, and code quality for that specific engagement. Client Advisory: Serve as the primary technical point of contact for the clients internal IT and stakeholders. Explain technical decisions, manage scope creep, and build trust through competence. Hands-on Execution: This is a builder role. You will spend a significant portion of your time coding (C#, .NET, Azure, Angular/Blazor), setting the pace for the team and handling the most complex integrations yourself.Team Direction (Project Level)Squad Leadership: Direct the daily technical work of the developers assigned to your project. Assign tasks based on capability, conduct code reviews, and unblock the team when they hit technical walls. Quality Control: Ensure that what goes into the clients environment is production-ready. You are the final gatekeeper for code quality, security, and performance on your project.Solution Design & IntegrationArchitecture Implementation: Translate high-level designs into working software. Make the granular decisions on how to implement Azure Functions, Service Bus patterns, and Dataverse integrations within the clients specific constraints. Environment Management: Take responsibility for the project’s DevOps maturity, ensuring CI/CD pipelines and environments (Dev/Test/Prod) are correctly managed and secured.Skills, Knowledge and ExpertiseRequired Skills & ExperienceConsultancy Experience: Proven experience acting as a lead consultant or technical lead on long-term client projects. You understand the difference between internal development and billable client delivery. Full-Stack Seniority: 8+ years of development experience with deep expertise in the Microsoft Stack (C#, .NET, Azure). You must be capable of leading a team by example. Client Facing Communication: Excellent ability to manage client expectations, explain technical risks to non-technical project managers, and navigate complex stakeholder environments. Azure Expertise: Strong working knowledge of Azure PaaS (App Services, Functions) and integration patterns (Service Bus, Event Grid). Delivery Focus: A track record of shipping software. You are not just an architect who draws diagrams; you are a lead who pushes code to production.Location & EligibilityHybrid Working: Codec supports hybrid working; however, on-site working will be required where expected by customers, and attendance at Codec offices is expected regularly. Right to Work: Candidates must be currently located in Ireland or the UK with existing Right to Work approval.About Codec Established over 40 years ago, Codec is a multi-award-winning Microsoft Solutions Partner, trusted by public and private sector organisations to deliver impactful digital transformation. With offices in Dublin , Belfast , Cologne , and across Germany , our team of over 300 experts specialises in harnessing the full potential of Microsoft technologiesincluding Dynamics 365 , Power Platform , Azure , and Copilot to drive innovation, automation, and operational excellence. Codec combines deep industry expertise with a proven track record to help organisations unlock the power of AI and modern cloud solutionsThough originally best known as a hardware reseller, since 2010 Codec has focused on building an outstanding software consulting business with a team of experts implementing enterprise solutions using products from Microsoft and Oracle. Our customer base, revenues and average contract values have grown steadily year on year and we continue to invest in the provision of new product and service offerings.Our team is a careful mix of recent graduates and experienced professionals from a variety of diverse cultural backgrounds. We are a melting pot of seasoned consultants supported by the best talent from the local universities. We have a thriving placement student academy and graduate recruitment programme which grows year on year.This company is an equal opportunities employer
Software Architect / Engineering Manager
Ocho
Belfast
Hybrid
Senior - Leader
£90,000
RECENTLY POSTED
aws
dot-net
kubernetes
python
csharp
docker
+3
About the Role Ocho are working exclusively with a high-growth technology business undergoing major platform transformation. They are searching for a Software Architect / Engineering Manager to take ownership of large-scale modernisation, define architectural direction and lead senior engineering teams through complex technical change.This is a rare opportunity to step into a genuinely strategic leadership role where you will shape long-term platform strategy while remaining close to the technical detail.You will lead the transition from legacy systems to modern, cloud-native architecture. Working closely with senior product, infrastructure and engineering leaders, you will define technical direction, drive engineering standards and ensure high-impact delivery across performance, reliability and scalability.You will balance architectural ownership with people leadership, mentoring multiple teams and building a high-performance engineering culture.Key Responsibilities
Define and lead modern architecture strategies for large-scale platform transformation
Drive migration from monolithic systems to modular, API-led and event-driven architectures
Provide architectural oversight across multiple business-critical applications
Lead cloud migration, containerisation and automation initiatives
Champion software quality, engineering standards and best practices
Introduce AI-enabled engineering tooling to improve efficiency and quality
Manage and mentor multi-disciplinary engineering teams across multiple locations
Establish and run architecture governance and review structures
Own delivery of architectural initiatives from concept through to production
Communicate complex technical decisions clearly at senior stakeholder level
What You Will Bring
10+ years commercial engineering experience with deep expertise in .NET and cloud platforms
Strong background in enterprise system modernisation and distributed architectures
Proven leadership experience as a Principal Engineer, Architect, Engineering Manager or Site Lead
Hands-on experience modernising legacy platforms into scalable, cloud-native systems
Expertise across Azure or AWS, Kubernetes, CI/CD and automation
Excellent mentoring, coaching and stakeholder communication skills
Comfortable leading large engineering groups
Technical Stack
.NET / C#, Web Forms, .NET Core, REST APIs
Java and Python for proofs of concept
Azure or AWS, Kubernetes, Docker
SQL Server, Postgres, performance engineering and caching
Event-driven systems, messaging and distributed architectures
What’s on Offer:
Competitive salary up to £90k
Generous benefits package
Flexible Hybrid working with occasional office days
Own and shape a major platform transformation programme
Senior leadership position with long-term architectural impact
Strong investment in modern engineering culture and tooling
For more information on this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below.Skills: engineering manager architect .netBenefits: Work From Home
Project Engineer
Queens University
Belfast
In office
Junior - Mid
£40,000
RECENTLY POSTED
python
csharp
c
We are seeking to recruit a project engineer who wants to develop and support innovation through applying their knowledge to the challenges of industry and society. Project engineers will support senior colleagues in the delivery of projects in one or more of the following key technology themes within AMIC’s advanced manufacturing activities:
Automation and robotics (robotic applications, industrial automation R&D).
Digitalisation (manufacturing technology digitalisation).
Digital Manufacturing (manufacturing process simulation).
Metrology (advanced measurement and validation)
Machining (high accuracy advanced material removal).
Successful candidates will apply their knowledge and experience of methods and processes to support AMIC’s advanced manufacturing activities, developing and implementing methods and processes to meet industry need, fueling a pipeline of innovation activity for AMIC’s state-of the-art “Factory of the Future” facility, and contributing to solving wider societal challenges. In conjunction with senior engineering colleagues, you will work collaboratively with academia, technology providers, national technology centres, and industry to deliver key projects focused on Advanced Manufacturing activities. You will help monitor, develop and implement best practices in the application of your engineering discipline within advanced manufacturing, including software, hardware and delivery.About the person:
Honours degree or equivalent in a relevant engineering discipline, science, or a related discipline with significant relevant industrial experience OR minimum HND in a related engineering discipline with recent and relevant industrial experience.
Recent experience in at least one of the following:
AUTOMATION: Industrial Robotics, Collaborative Robotics, Robot Offline Programming, Industrial Automation Applications, Self-Guided Vehicles, Engineering Design, 3D CAD Modelling, PLC Programming, SCADA systems, Automation Simulation, Virtual Commissioning, Machine Vision.
DIGITALISATION: IT/OT Integration, SCADA systems, Industrial Communications, DevOps, ERP, MES, MBSE, Cyber Security, Digital Twin Technologies, Systems Integration, machine Learning/Artificial Intelligence Network, Configuration/Management, Software Development, CI/CD, SDLC, Virtualisation, Containerisation c. DIGITAL
MANUFACTURING: Discrete Event Simulation, 3D Factory Simulation, 3D CAD Modelling, Data analytics and Visualisation, Management Accounting, Robotic Simulation, Automation Simulation, Virtual Commissioning, (Programming e.g. Python, C#), Supply Chain Analytics
METROLOGY: Metrology principles (measurement, calibration, traceability), Inspection planning, Geometric Dimensioning and Tolerancing (GD&T), Measurement tools (traditional hand held, CMM, Laser scanners & trackers) and software (such as PC-DMIS / Polyworks / SA…), NDT & Machine Vision, Surface metrology, 3D CAD Design & Reverse Engineering, Measurement System Analysis, Data Analysis & reporting
MACHINING: CNC Programming (G-code, M-code), CAD/CAM Proficiency (e.g., Catia, Siemens NX, Mastercam), Fixture Design, Geometric Dimensioning & Tolerancing, Multi-axis CNC Machining (3-axis, 5axis, mill-turn), Material and tooling Selection, Root Cause Analysis & Troubleshooting, Design for Manufacturability (DFM) & Assembly, Digital Simulation (e.g., Vericut, 3rd Wave,), Vibration Analysis & Modal Testing.
Demonstrable evidence of delivering projects to agreed deadlines and within budget.
Experience of using research/industrial tools and techniques resulting in high quality projects and technical reports.
Evidence of complex problem-solving skills obtained with a proven ability to develop innovative solutions.6. Excellent written and verbal communication skills, including ability to communicate complex technical information.
Willingness to visit collaborative partners and to attend meetings and conferences nationally and internationally as requested.
To be successful at shortlisting stage, please ensure you clearly evidence in your application how you meet the essential and, where applicable, desirable criteria listed in the Candidate Information on our website.
Placement Software Engineer
Thales UK Limited
Belfast
Remote or hybrid
Graduate
Private salary
RECENTLY POSTED
c++
csharp
c
Location: Belfast, United KingdomThales people architect solutions that are relied upon to deliver operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defensive systems for land, sea, and air. From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar.Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer. We innovate across the major industries of Aerospace, Defence, Security and Space. Your health and well-being matters to us and thats why we offer you the flexibility to do whats important to you; whether thats part time hours, job sharing, home working, or the ability to flex your start and finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions.Software Placement EngineerKey responsibilities
Design and coding of software
Software requirements analysis and requirements management Software test planning and execution Conducting all aspects of the software development process in accordance with company processes and standardsSkills, qualifications and experienceEssential
A minimum of a BSc/BEng (Hons) degree in a subject with a significant computing content e.g. Computer Science, Software Engineering, Games Development, Combined Electronics and Computing
Appreciation of software requirements analysis, specification & design Understanding of the principles and levels of software testing Knowledge of software development lifecycles and methodologies
Practical experience of programming in a high level language (C, C++, C#)
Practical experience in a number of stages of the software engineering lifecycle Understanding of data communications (e.g. 1553, RS422) and networking Knowledge of Agile development methodologies Understanding of software configuration control Knowledge of real-time operating systems Knowledge of UML Experience of working as a member of a software development teamPlease note that GDP activities take place during the working week but may require the investment of some personal time for travel and follow up activities. You may have the opportunity to travel to Thales and non-Thales sites throughout the UK when participating in Graduate Development Programme activities.Connect with Fiona Tal, Talent Acquisition Partner #LI-FT1 who is eager to explore together with you this exciting opportunity.This role will require SC Clearance. It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant will undergo, achieve, and maintain SC Clearance. Please visit the UKSV website for further guidance.To be eligible for full SC, you generally need to have resided in the UK for the last 5 years. In some circumstances, a minimum of 3 years residence in the UK over the last 5 years may be accepted, with additional overseas checks.In line with Thales’ Baseline Security requirements, candidates will be asked to provide evidence of identity, eligibility to work in the UK and employment and/or education history for up to three years. Some vacancies may require full Security Clearance which can require further evidence to be provided. For further details of the evidence required to apply for Baseline and Security Clearance please refer to the Defence Business Services National Security Vetting (DBS NSV) Agency.At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working.Thales UK is committed to providing an inclusive and barrier-free recruitment process. We will provide reasonable adjustments and support to ensure neuro-diverse applicants or those with a disability or long-term condition can be their best during the recruitment process. To request an adjustment, if you need this job advert in an alternative format or if you have any questions about the recruitment process, please contact Resourcing Ops for mid to senior roles, or the Early Careers Team for graduate and apprentice roles.Great journeys start here, apply now!
Technical/Engineering Lead
EVOLVE IN RECRUITMENT LTD
Belfast
Hybrid
Senior
£95,000
RECENTLY POSTED
aws
terraform
github
csharp
java
Job Title: Technical Lead / Staff Software Engineer//Engineering Lead/Technical Director/Chief EngineerSalary: £60,000 - £97,000Location: BelfastOur client is seeking enthusiastic and proactive individuals to join their growing team. Working in a busy but dynamic environment, you will Join our clients Digital & Data team working alongside product, design and a wide range of other experts and cross-disciplinary teams to bring ideas to life through innovative software solutions. This is a hybrid role with two days in the office in Central London.Our client has over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And have a deep expertise in a number of areas not limited to but including consumer and manufacturing, defence financial services and transport. With teams that operate globally from offices across the UK, Ireland, the US, Nordics, and Netherlands.Job DescriptionWhy consider joining the Digital & Data community
Grow a flexible and unique career within a trust-based environment that values excellence, innovation, and curiosity. You have the option to progress with us on a technical career track. No need to go onto the Partner career track if this doesnt align with what you want to do.
Work on a broad variety of projects and tech stacks for clients across seven sectors - no project is ever the same
Tech stack required ideally:While we advocate for using the right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications:
Programming Languages: JavaScript/TypeScript, Java, C#
Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET
Cloud platforms: AWS, GCP, Azure
CI/CD:Jenkins, GitHub Actions, Azure DevOps
IaC: Terraform, CloudFormation, Azure Bicep
Pragmatic and safe usage of AI through the SDLC (e.g. using MCP to combine tools in interesting and effective ways)
QualificationsEssential requirements
Experience in managing and technically leading a software engineering team
Soft-skills to interact with clients, demonstrating credibility in technology and overall delivery
Proven capability in shaping the end-to-end software delivery lifecycle, driving improvements across development, testing, deployment, and operational phases.
Ability to implement infrastructure-as-code, CI/CD, and efficient release management strategies.
Enhance system performance using load testing, caching, and optimizing database queries and application logic for better scalability and response times.
Expertise in modern engineering standards such as TDD, contract testing, and secure coding, as well as architectural patterns like event-driven architecture and platform migration.
Experience providing technical subject matter expertise to shape bids and client proposals. Can present proposed approaches and discuss technical implementation with prospective clients during the sales process
You are required to be able to work in the UK full time without restriction and be eligible forSC clearance.If you feel you have the relevant skills and experience required for this role, then please apply to Evolve Recruitment, Kingston upon Thames for more information.Due to the high volume of applications we receive it is not always possible to respond to unsuccessful applicants. Therefore, if we have not responded to your application within five days please assume that on this occasion your application has not been successful.
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Frequently asked questions

What types of C# jobs are available in Belfast on Haystack?
Haystack features a wide range of C# job opportunities in Belfast, including roles such as software developer, .NET engineer, backend developer, and full-stack developer across various industries.
Do I need specific certifications to apply for C# jobs in Belfast?
While certifications like Microsoft Certified: C# Developer can enhance your profile, most employers in Belfast prioritize practical experience and portfolio work. Job listings will specify if certifications are required.
Can I find remote or hybrid C# job opportunities in Belfast on Haystack?
Yes, Haystack lists both onsite, remote, and hybrid C# positions available to candidates based in Belfast. You can filter your job search based on your preferred working arrangement.
How competitive is the C# job market in Belfast?
Belfast has a growing tech scene with steady demand for skilled C# developers. While competition exists, qualified candidates with relevant experience and skills have good chances of securing roles.
How can I improve my chances of getting hired for C# jobs in Belfast?
To increase your chances, tailor your CV and cover letter to highlight C# projects and experience, stay updated with the latest .NET technologies, and showcase any relevant contributions to open-source or tech communities.