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Onsite  (7)
citi
03 Mar, 2026
Full Time
Technology - Application Development, Placement Analyst, Belfast, 2026
citi Belfast, UK
You are the brains behind our work … At Citi, we do not just adapt to change – we drive it. Our Technology Placement Programme is where forward thinking talents meet unparalleled opportunities. This is your chance to innovate, influence, and make an impact in the most global financial institution! Citi Technology partners to ensure that Citi’s platforms can “Be the Best” for clients globally, with a diverse and ethical workforce that applies innovation and automation to deliver a world class client experience and strengthen our reputation. We have over 30,000 technologists globally who are dedicated to serving our clients’ needs across the firm. By utilising a broad range of technologies, we are at the forefront of innovation. We seek to drive our systems and processes towards scalable, low-latency, high frequency enterprise systems to support Citi’s strategic priorities. We provide you with the knowledge and skills you need to succeed… We are committed to teaching you...
citi
28 Feb, 2026
Full Time
Full Stack Lead Developer (Java/ReactJS), Vice President
citi Belfast, UK
We are seeking an experienced and highly motivated Lead Full Stack Developer to join our dynamic engineering team. The ideal candidate will possess deep expertise in Java and ReactJS, coupled with a strong understanding of both relational (RDBMS) and NoSQL databases. This role is critical for driving the design, development, and deployment of robust, scalable, and high-performance applications. The Lead Developer will also play a key role in advocating for and implementing best practices in CI/CD application delivery and will have the opportunity to explore and integrate AI technologies into our solutions. Key Responsibilities Lead the design, development, and implementation of complex enterprise-level applications using Java for backend services and ReactJS for intuitive and responsive front-end user interfaces. Architect and manage data storage solutions, demonstrating proficiency with relational databases (e.g. Oracle, MySQL) and NoSQL databases (e.g., MongoDB,...
citi
28 Feb, 2026
Full Time
Lead Java Engineer, Assistant Vice President
citi Belfast, UK
We are looking for a highly skilled and experienced Lead Java Engineer to drive the design, development, and implementation of robust and scalable enterprise applications. The successful candidate will possess exceptional expertise in Java development and a profound understanding of database systems, including both relational (RDBMS) and NoSQL technologies. This role involves technical leadership, architectural contributions, and mentoring junior team members, ensuring the delivery of high-quality, high-performance software solutions. Key Responsibilities Lead the architectural design, development, and implementation of mission-critical backend systems and services using Java and its ecosystem (e.g., Spring Boot, Spring Framework). Serve as a subject matter expert in database technologies, including advanced schema design, query optimization, performance tuning, and data migration strategies for both relational databases (e.g., PostgreSQL, Oracle, MySQL, SQL Server) and...
citi
28 Feb, 2026
Full Time
Lead Frontend Developer (ReactJS), Assistant Vice President
citi Belfast, UK
We are seeking a talented and passionate Lead Frontend Developer with deep expertise in ReactJS to spearhead the development of our cutting-edge user interfaces. The ideal candidate will be a technical leader, responsible for guiding the frontend team, defining architectural patterns, and ensuring the delivery of high-quality, performant, and intuitive web applications. This role requires a strong command of modern JavaScript, React ecosystem, and a commitment to best practices in UI/UX development. Key Responsibilities Lead the design, development, and implementation of complex, scalable, and responsive web applications using ReactJS and its ecosystem. Define and enforce frontend architectural patterns, coding standards, and best practices to ensure consistency, maintainability, and performance across all frontend projects. Provide technical leadership, mentorship, and guidance to a team of frontend developers, fostering their growth and ensuring high-quality code...
citi
28 Feb, 2026
Full Time
Java Developer, Officer
citi Belfast, UK
We are looking for a highly skilled and experienced Senior Java Developer to join our engineering team. The ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable, and resilient applications using modern Java technologies. This role requires strong technical expertise, a passion for problem-solving, and the ability to contribute significantly to our product development lifecycle, from concept to deployment. The Senior Java Developer will also mentor junior team members and contribute to architectural discussions. Key Responsibilities Design, develop, and maintain robust, scalable, and high-performance backend applications and services using Java and the Spring ecosystem (Spring Boot, Spring Framework). Write clean, efficient, well-documented, and testable code following best practices and design patterns. Collaborate with product owners, architects, and other developers to understand requirements, define technical...
Adecco
23 Feb, 2026
Contract
Business Reporting Analyst
£300 - £400 daily
Adecco Belfast, UK
Business Reporting Analyst Contract Daily Rate: Up to 400 (inside IR35 via umbrella) Contract Length: 9 months Hybrid working - 3 days in Belfast per week and 2 days remote per week Are you a motivated self-starter with a passion for process improvement and data analytics? Our client is seeking a Business Reporting Analyst to join their Markets Controls & Reg team. This is an exciting opportunity to play a pivotal role in implementing innovation and automation within the organisation, contributing to the delivery of high-quality reporting and insights. Key Responsibilities: Translate data into actionable consumer insights to drive targeting and segmentation strategies. Communicate findings clearly and effectively to business partners and senior leaders. Continuously evaluate and improve processes by exploring new data sources and tools. Perform monthly reporting tasks, including data collection, preparation, and distribution of manual reports, while automation is in...
Thales
14 Feb, 2026
Full Time
Senior Software Engineer
Thales Belfast, UK
Location: Belfast, United Kingdom Thales 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 that’s why we offer you the...
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