Developer startup jobs in Belfast

 ...generate ideas and options and know how to decide which things can ship now and what things need time Focus. We’re a high-growth startup with a busy, remote team. You know how and when to engage or be heads down Collaboration. You know how to inspire, play, and negotiate... 

 ...Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own...  ...to complete them within 1 week. What Yo u' ll Do Design, develop, and maintain robust APIs including public TTS API, internal APIs... 

 ...backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies What You'll Do Lead the design, architecture, and... 

 ...backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking to hire for our Data side of our AI... 

 ...backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview With the growth of our Android app, being the... 

 ...Salary: £? - ? per year Requirements: Proven experience as a MuleSoft Developer with hands-on development in MuleSoft, Java, and Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments... 

 ...the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages...  .... With the opportunity to shape a fast-growing Series B startup (and beyond). Regular (monthly-ish) travel may be required... 

 ...grade security, lineage tracking, and access controls Internal tooling and automation that improves reliability, observability, and developer experience Unit, integration, and performance tests to maintain confidence in a zero-downtime product MCP/AI workflows that... 

 ...technology team focused on modern backend development, automation, and scalable enterprise technology delivery. The Role Design, develop, test, and maintain backend services and microservices Build and enhance RESTful APIs aligned with engineering standards and best... 

 ...APIs and infrastructure that powers our whole platform catalogue, including brand new integrations you help design from scratch. Develop in TypeScript on Node and deploy to AWS, primarily with serverless tech like Lambda, DynamoDB and API Gateway. Design event-driven... 

 ...penultimate year of university , with a graduation date of summer 2029 . As a Placement Software Engineer in Visa, you will: Help develop the next generation of Visa enterprise class solutions for our global client base. Gain first hand exposure to the multiple facets... 

Notes: We accept online applications only. “A waiting list may be created for similar posts that may arise while the waiting list is live, this may include temporary or part-time posts. This will be managed in line with the updated HSC waiting list principles effective ...

 ...close daily collaboration with our Streaming API teams across New York, Los Angeles, and Colorado. We are looking for a skilled React developer who is comfortable leveraging API and UI mocks to build seamless front-end experiences. You should be a team player who takes pride... 

 ...Job description Senior Software Developer About the Role We are seeking an experienced Senior Software Developer to join our engineering team developing scalable insurance technology platforms used by global clients in the insurance sector. This is an opportunity... 

 ...about leading edge technologies. If you love technology and gadgets then you’ll love this job! You will be given the time to continue to develop your skills surrounded by a team of incredibly smart and experienced engineers. You’ll learn on the job about 5G technologies, C/... 

 ...Development function creates and maintains applications, frameworks and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high quality software solutions.... 

 ...remote-first model. The Role Design and build high-performance front-end applications Work with a modern Angular stack (v15+) Develop cross-platform solutions for web, mobile, and desktop environments Integrate with APIs and real-time data streams Implement... 

A dynamic, licensed, and regulated fintech leader offering cost-effective, end-to-end payment solutions for businesses, merchants, and consumers is seeking a skilled DevOps Engineer. This company boasts over 20 years of experience in online payments, with a highly secure technology...

 ...from OpenAI and Anthropic. Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs. Developing and testing agentic architectures through our own Genie Platform – enabling AI agents that reason, retrieve, and act across systems.... 

 ...the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages...  .... With the opportunity to shape a fast-growing Series B startup (and beyond). Regular (monthly-ish) travel may be required... 

 ...opportunities to travel. You will receive comprehensive training on a specialised trade surveillance product stack, enabling you to quickly develop deep expertise while working directly on client systems. The role combines data engineering depth with client-facing responsibility,... 

 ...Job description Python Developer (FinTech) - Belfast (Hybrid) - Contract We are looking for an experienced Python Developer with a strong FinTech or Financial Services background to join a Belfast-based team on an initial 3-6 month contract . Location:... 

 ...in AWS Lead or contribute to migration projects, helping move legacy, customer hosted systems into cloud-native architectures Develop and maintain infrastructure-as-code using Terraform Guide improvements to system architecture, focusing on reliability, observability... 

 ...Salary: £30,000 - 60,000 per year Requirements: ~ I am looking for a Java Developer with at least 5 years of hands-on experience in Java development. You should have strong expertise in multi-threading, web application development, and testing frameworks. Familiarity with...