Contract Software Engineer jobs in Belfast

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

Senior Software Engineer - Java/Kotlin (Developer Enablement) - Vice President - Citi Discover your future at Citi: We are a global bank with more than 230,000 employees and are looking for talented engineers to join our Developer Enablement team within the CTO organization. The goal is to create tools and platforms that save tens of minutes for engineers each day, delivering significant value to...

Are you a technical leader who thrives on solving complex front-end problems? Do you want to guide engineering standards, shape architectural decisions, and elevate a high-performing product team? Are you ready to take ownership of large-scale React applications at an organisation building modern, user-centric platforms? Principal TypeScript Engineer (React Focus) Location: Northern Ireland...

Purpose of the Role Senior Software Engineer will play a crucial role in the development and implementation of cutting‐edge artificial intelligence products. The responsibilities of this role will involve designing and developing artificial intelligence systems that will be integrated into existing processes. Candidate should be a strong software engineer with AI & Gen AI experience, building...

Highways Lighting Design Engineer – National Highways SDF Rate: £40–£50 per hour (Umbrella) – negotiable based on experience Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required. Location: UK-wide (Flexible – offices in London, Birmingham, Manchester, Leeds, and others) Contract: Long-term (aligned...

Job Title: AI Product Engineer (KTP Associate) Ulster University and The Odyssey Trust Company Limited (OTC) School: School of Computing Location: The Odyssey Trust Company Limited (OTC), 2 Queens Quay, Belfast BT3 9QQ Salary: £37,000 to £42,000 per annum Closing Date: 8th February 2026 Full-time, Fixed-term for two years Reference Number: 040487 - THE BUSINESS - At The Odyssey Trust, we...

Job Description To ensure that all equipment within NovoGen's control is correctly maintained and repaired, maximising plant efficiency and the safety of all personnel at all times. To maintain and improve standards of Health and Safety, Quality and housekeeping and to report any short comings promptly. To maintain site HVAC, AHU, CHP and Sprinkler Pump assets within a multi-site client...

Salary: DOE Location: Dublin, Ireland; Cork, Ireland; Belfast, Northern Ireland; Newry, Northern Ireland Contract Type: Full Time Permanent The Vacancy About the Role We are seeking a Project Engineer Wastewater to support the technical delivery of wastewater infrastructure projects across Ireland, with a particular focus on Uisce ireann and other Irish utility projects with opportunities...

Get your weekends started early with a 2pm Friday finish. Scotts Electrical Services is looking for a 2391-qualified Electrical Testing & Inspection Engineer to join our expanding team. We offer a competitive salary, a company van with fuel card and life insurance equivalent to 3x annual salary. If you're a time-served electrician who takes pride in high-quality commercial and industrial work, we...

You will work within a diverse and highly skilled team, where your efforts will directly support critical infrastructure from treatment works and pumping stations to essential pipelines.

You will gain a Level 6 BEng Civil Engineering degree in conjunction with the following Training Provider, Queens University Belfast (day release).

THIS IS A TEMPORARY POSITION FOR 12 MONTHS Condition Monitoring Analytics Engineer will be part of the global Expert Services team, who provide specialist knowledge, experience and expertise on high voltage (HV) assets and condition monitoring to internal and external customers. All training and information will be made available. The applicant will gain knowledge of: The functioning and...

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

Civil Engineering Assistant CPL have partnered with Northern Ireland Civil Service (NICS) to recruit for Civil Engineering Assistants (PTO Grade) to join their team on a temporary contract, with possibility of extension. · Pay Rate - £17.43 per/hr · Location – DfI TRAM – Multiple Locations · Benefits – 37 days holiday per annum · Hours – 37 hours per week Multiple locations...

Lead Electrical Protection Engineer 6 month contract initially Inside IR35 – Remote working 40 hours per week Job Summary: The preferred candidate is responsible for design preparation based on customer specification, conduct engineering activities from design stage until site commissioning and acts as a technical interface between customer and technical community. In-depth hands-on...

Machine Learning Engineer - Contract (Financial Services, Outside IR35) Duration: 6 months Rate: £650 - £750 per day IR35: Outside Location: UK / Remote We’re seeking an experienced Machine Learning Engineer to support a Financial Services organisation on an initial 6-month contract, working on production-grade ML systems that operate in regulated, high-volume environments. This role is...

First Point Group is recruiting for a Core Network Engineer (Ericsson/Nokia) with specific previous experience working on Virgin Media / VMO2 and/or BT/EE networks and projects. The successful candidate will have extensive experience within operational support, optimisation, and evolution of a next-generation IMS and 5G core network. This is a fully remote role based on a daily rate...

Detail Design Engineer – Marine Projects Location: UK Remote Employment Type: Permanent or Contract Are you passionate about delivering precision engineering solutions? Belcan is looking for a Detail Design Engineer with expertise in either Outfit, Structural, Piping, or Electrical design to join our Naval team. Belcan then has the role for you! Key Responsibilities Detailed Engineering...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Staff Software Engineer Location: Belfast, UK (Remote / Hybrid options available) Contract Type: Permanent Level: Staff (Individual Contributor - technical leadership) The Opportunity We're looking for a Staff Backend Engineer to join a growing engineering hub in Belfast. This is a hands-on, high-impact role at a company in a period of renewed investment and growth . You'll work on large-scale,...