Mid Developer jobs in Belfast

If you like building the tools that other engineers actually use every day, this is that kind of role. This company builds infrastructure that sits right in the middle of how software gets delivered. Not the UI layer. Not dashboards. The actual plumbing that engineers rely on to ship, store, and sec

Basic information Location Belfast, Manchester, Newcastle Business Line Technology & Transformation Job Type Permanent / FTC Date published 01-Apr-2026 Req # 21857 Job description Connect to your Industry Part Business. Part Creative. Part Technology. One hundred per cent Digital. At Deloitte Di

Wipro

€60,000 - €75,000 /year

Requirements Must have: - Experience in programming languages like Python, Java, SQL - Knowledge in AI development tools or frameworks - Knowledge of data processing, ETL patterns, or analytics pipelines - 4-6 years of relevant experience in ETL, low-code/no-code platforms, BI solutions, data-wrangl

Ocho

€55,000 - €55,000 /year

Requirements Must have: - 1 years of experience in a technical engineering role - Bachelors or postgraduate degree in a relevant field from a strong university - Solid Computer Science fundamentals - Experience working in cloud environments (AWS or other major platforms) - Extensive Java experience,

Ocho

€55,000 - €55,000 /year

Requirements Must have: - 3 years experience in backend engineering, ideally within a Fintech or high-availability environment - Experience in Java / Spring Boot development, including design patterns, OO design, and refactoring - Strong understanding of REST API design - Experience building fault-t

Ocho

Requirements Must have: - Degree in Computer Science, Software Engineering, or similar - 1-3 years commercial backend engineering experience - Strong experience with Golang and/or Java (other languages welcome) - Hands-on experience with cloud platforms (AWS, GCP, Azure) - Experience building data-i

MCS Group

£90,000 - £100,000 /year

MCS Group is looking for an experienced Microsoft Dynamics 365 Developer for a 6 month contract in Belfast. You will support the enhancement and ongoing development of a Dynamics 365 CRM platform. This Dynamics 365 Developer will focus on designing, developing and improving solutions within Dynamics

MCS Group

£35,000 - £48,000 /year

.Net Software Developers (Mid-Level) Location: Belfast (Hybrid) | Type: Full-Time | Permanent MCS Group is delighted to be working with a global market leader in financial services technology that is building one of the largest and most advanced engineering hubs in Belfast. MCS have helped this comp

MCS Group

£35,000 - £45,000 /year

Software Developer - Mid-Level | Ballymena (Hybrid) MCS Group is delighted to be partnering with an established and forward-thinking technology company as they continue to expand their development team with the addition of a talented Software Developer. This is a fantastic opportunity to join a busi

MCS Group

£55,000 - £65,000 /year

Senior .Net Developer Location: Belfast (Hybrid) | Type: Full-Time | Permanent A leading global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical trading systems. This role involves building scalable systems that directly impact market access on a

MCS Group

£40,000 - £50,000 /year

Company Overview MCS Group are delighted to be partnering with a well-established, profitable software company based in Northern Ireland is building cloud platforms used across regulated industries including animal health. Their products replace legacy systems with modern, scalable solutions and are

MCS Group

£55,000 - £65,000 /year

MCS Group is delighted to be working with a well-established, Belfast based financial services organisation as they look to appoint a senior software developer to join their in-house development function. This role will be based in Belfast, allowing for hybrid working (flexible 2 in offfice, 3 from

MCS Group

£60,000 - £60,000 /year

Software Engineer - Front-End Focus We're looking for a hands-on Software Developer who genuinely enjoys building great user interfaces. You'll join a cross-functional engineering pod in a growing Insurtech business, shaping the web applications and customer journeys that power a growing portfolio o

Ocho

€30,000 - €60,000 /year

Requirements Must have: - 3+ years experience in full stack software development - Strong JavaScript or TypeScript experience - Experience with Vue.js or similar frontend frameworks - Backend development experience with PHP and Laravel or similar frameworks - Solid understanding of relational databa

Ocho

€30,000 - €60,000 /year

Requirements Must have: - 5-10 years of experience in backend engineering roles - Proven track record of building scalable services in Java (preferably 11+) - Hands-on experience with microservices architecture, REST APIs, and message queues (Kafka, SQS or similar) - Deep understanding of AWS and ho

Ilir Sela started Slice with the belief that local pizzerias deserve all of the advantages of major franchises without compromising their independence. Starting with his family’s pizzerias, we now empower over tens of thousands of restaurants with the technology, services, and collective power that

TTC Group (Tech Talent Consulting)

Gen AI Developer (LLMs | Python | AI Solutions) Location: Belfast | (Hybrid 3-day onsite) Job Type: Permanent TTC Group is seeking a Gen AI Developer who will work at the forefront of innovation, building cutting-edge solutions using Large Language Models (LLMs) and AI-driven architectures. This is

The Role As a Gen AI developer you are responsible to work with Large Language Models, prompt engineering, and AI‑driven architectures, turning emerging Gen AI capabilities into production‑ready solutions. You also need to integrate Gen AI into complex enterprise systems, APIs, and data platforms th

Work Location Belfast, United Kingdom Hours 35 Line Of Business Technology Solutions Pay Details We’re committed to providing fair and equitable compensation to all our colleagues. As a candidate, we encourage you to have an open dialogue with a member of our HR Team and ask compensation related que

Experience in programming languages like Python, Java, SQL Knowledge in AI development tools or frameworks Knowledge of data processing, ETL patterns, or analytics pipelines 4-6 years of relevant experience in ETL, low-code-no code platforms, BI solutions, data- wrangling fields with interest toward