151 to 175 of 246 Developer Jobs in Belfast

Java Developer (Contract) – Fintech Scale-Up | Outside IR35 Location: London (Hybrid – 3 days in office) Duration: 6 months Rate: £400–£500/day (Outside IR35) Tech Stack: Java, PostgreSQL, AWS, React About the Company We’re supporting a fast-growing Fintech scale-up building a next-generation digital cash savings … and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you'll contribute to More ❯

Role: React Developer Contract Length: 12 months Location: Hybrid – Croydon (Once Bi-weekly) IR35 Status: Inside Industry: Public Sector Interview Process: 1 Stage, Ms Teams Clearance: SC/NPPV3 Urgently hiring a Frontend Developer to support development and maintenance of a high availability system in a containerized environment. This client More ❯

Senior Ruby on Rails Developer (Remote - UK) | £60,000–£70,000+ DOE I am working with a client in the Ecommerce/SaaS space who is rapidly scaling and growing, who is looking for a Senior Ruby Developer who is passionate about working with the latest Rails frontend. About the … client: They are a growing startup looking for a Senior Ruby Developer who’s excited to wear multiple hats and grow with them. You’ll play a key role in shaping their product, working closely with end users, and delivering features that make a real impact. What You’ll Be More ❯

Senior Salesforce Developer £60,000 per annum Central London (2 days/week onsite, remainder remote) Full time hours, permanent contract Professional/Membership Body Key Responsibilities: Lead the development, improvement, and support of a major organisation's Salesforce platform Drive adoption and optimise the use of Salesforce across teams … the in-house Salesforce technical expert, overseeing implementation, integration, and support Define and design Salesforce application and data architecture Line manage the Junior Salesforce Developer and Salesforce Administrator Collaborate with Membership, Exams, Events, and third parties to ensure smooth CRM operations Lead on system upgrades, enhancements, and testing to maintain … and Digital planning and resource allocation Champion collaborative working across internal teams for seamless delivery of systems and services Key requirements: Salesforce Administrator and Developer certifications (essential) 2+ years' experience in Salesforce project development Strong experience with Apex, Lightning Web Components, SOQL, Flows, and Salesforce APIs Proven ability to lead More ❯

Senior Full Stack Ruby/React developer Location: Central London (2 times a month) Salary: £70-85k + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an low turnover rate within the … tech team, with a stable and strong team culture! Role: We are looking for a talented Mid-Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain More ❯

Mid Level Front End Developer - Javascript -Next.js (essential) 📍London/Hybrid Office x3 week 💷up to £55k 🧑‍💻FTSE 100 company based in London who are Glassdoor Winners are looking for a Front End Javascript Developer. Position offers numerous greenfield development opportunities leveraging state-of-the-art technologies, with a focus More ❯

global commodity trading organisation that is investing heavily in technology to support its growing trading operations are offering the opportunity for a Senior OutSystems Developer to join their growing OutSystems team. This is a fantastic opportunity for an experienced developer to take ownership of critical application development within the trading … performance, and scalability across the platform Play a key role in the ongoing digital transformation of trading workflows The Requirements: Proven experience as a developer working with OutSystems, ideally within financial services, trading, or energy sectors Strong hands-on knowledge of SQL, particularly around stored procedures, performance tuning, and database … with flexibility to £90k for the right candidate. The wider package includes bonus, pension, Bupa healthcare and more. If you’re a Senior OutSystems Developer seeking a technically challenging role with real business impact, this is an outstanding opportunity to work in a front-office aligned position at the heart More ❯

International Investment Bank seeks a C# Software Developer to join the Commodity/Market Data trading business in 6 months rolling contract. Technical skills — required : ( min 5 years ): .net C#, .Net Core, Entity Framework, WPF Microservices ANGULAR/ANGULAR JS Databases SQL Server, Oracle, MongoDB Visual Studio (Microsoft)RMDS, Bloomberg More ❯

Senior Frontend Developer Ready to solve a $600B problem affecting millions of lives across Africa? I'm partnering with a rapidly scaling fintech startup that's revolutionizing cross-border payments for African businesses. They're tackling the massive challenge of expensive, slow international transactions that currently cost merchants up to More ❯

AWS Python Developer - Outside IR35 Fully Remote 6 Months Up to £550 per day Join a high-performing team building a semantic search solution powering intelligent, context-aware search across the business. Embracing a culture of fail early, learn fast—iterating quickly and deploying often. Skillset: Python, TypeScript AWS, Lambda More ❯

Full Stack Magento Developer - Long Term Contract - Remote My client is looking for a talented Magento Developer with to join their dynamic dev team. If you enjoy building custom ecommerce solutions, integrating complex systems, and collaborating in a supportive tech environment, this could be the role for you. This role More ❯

Python Developer - Python, AWS, TypeScript, AI + Bonus/Benefits - Remote in UK Do you want to join one of the global dropshipping tech leaders working with some of the biggest global brands and next to a team of incredible people? We're bringing out tech in house and shaping More ❯

Job Description: Join us as a front-end developer to help develop our product. You’ll work closely with our smart contract and back-end teams to bring listings, booking flows, and user dashboards to life. This is a contract-based, remote-first role with token equity for contributions. Responsibilities More ❯

welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for an experienced Senior Full-Stack Developer (Rails) to join our dynamic team at Homeflow. As a Senior Full-Stack Developer, you will be expected to work independently developing key features and More ❯

Who we are looking for A Senior Security Software Developer, who will safeguard the Business by uncovering exploits, architecting robust defences, and collaborating with teams to thwart sophisticated reverse engineers. Within the fraud site defence team, you will be a key defender at the forefront of our security drive. You More ❯

recruiting on behalf of a systematic macro fund running 2.5 billion in AUM who are actively looking to bring on board a Python software Developer to support the development of their trading platform. This is a unique opportunity for someone in their early career to leverage strong Python capabilities in More ❯

working closely with the Project Management & Design team - ultimately creating brilliant functional experiences that help save the end-user/customers money! Role: PHP Developer - Laravel Location: Fully Remote in the UK Salary: £45,000 - £50,000 The successful candidate will have at least 2 years of commercial experience in … the following skills: Demonstrated experience as a full-stack developer, with 4+ years of hands-on work in PHP and Laravel Proficient in Vue 3, with experience building applications using both Inertia.js and API-first architecture Deep understanding of Clean Code principles and best practices Strong front-end development skills More ❯

working closely with the Project Management & Design team - ultimately creating brilliant functional experiences that help save the end-user/customers money! Role: PHP Developer - Laravel Location: Fully Remote in the UK Salary: £45,000 - £50,000 The successful candidate will have at least 2 years of commercial experience in … the following skills: Demonstrated experience as a full-stack developer, with 4+ years of hands-on work in PHP and Laravel Proficient in Vue 3, with experience building applications using both Inertia.js and API-first architecture Deep understanding of Clean Code principles and best practices Strong front-end development skills More ❯

Leeds HQ - Remote First (Must be UK based) £40,000 - £50,000pa + Benefits WRK digital are delighted to be shortlisting for a Shopify Developer to work for a market-leading digital agency that provide ecommerce services for clients across the UK and Europe. They are a Leeds based team More ❯

features with impact, and thrives in a cross-functional product team. You are not afraid to challenge the surrounding structure to bring the entire developer experience/product up to the next level. What you’ll bring as the Senior Front End Engineer: 6+ years in software development (mostly frontend More ❯

industry. Customers include passenger/freight operators and rail manufacturers in the UK, Europe and Australia. Denova is looking for a self motivated Software Developer to join our training simulation team. The ideal candidate will preferably be experienced in object-oriented programming techniques and developing interactive 3D applications, especially those … Participate in code reviews, sprint planning, and user acceptance testing with trainers and stakeholders. Skills and Experience: We are looking for a self motivated developer, capable of researching and exploring solutions to solve the wide range of technical challenges our customers raise. Our preference is for the following skill set More ❯

the company is going through an exciting digital transformation programme over the coming years, and they are looking to add an experienced D365 CE developer to their established technical department. This role is fully remote, working within a knowledgeable team on a host of excellent projects, and offering structured career More ❯

compromising standards, integrity, or culture. You will collaborate with talented digital professionals across disciplines to innovate and create solutions for iconic brands. An Android developer at Deloitte Digital plays a key role in designing, developing, and maintaining high-quality Android applications. Responsibilities include: Contributing to the overall architectural design of More ❯

Role Title: Salesforce Developer Location: Milton Keynes, UK(Hybrid) Role Description: · Salesforce Certification (Salesforce Platform Developer II) · Strong technical understanding of Flows, Trigger & Apex logic · Strategize Tech Debt reduction. · Understanding of Salesforce security best practices, including role hierarchy, sharing rules, and field-level security. · Experience with Salesforce Lightning Component Framework … MuleSoft is required. · Experience of development outside the Salesforce platform, i.e., React/Angular/Java projects. Person Description: · Comfortable and effective in leading developer, ensuring project success and team cohesion. · Financial Services industry experience · Clear and concise communication skills are important as this is a client-facing role. · Should More ❯

Ruby Developer - Remote - UK based - Up to £85 K - SaaS Christopher Ali have partnered up with an innovative UK based SaaS start- up who are at a watershed in its growth and require a Senior Ruby Developer to join the team. They have already developed industry leading software for a More ❯