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44 API jobs in County Antrim + 5 miles
Design and lead strategic technical initiatives across platform, API, and payments infrastructure
Design and lead strategic technical initiatives across platform, API, and payments infrastructure
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DailyPay is transforming the way people get paid. As a worktech company and the industry's leading on demand pay solution, DailyPay uses an award-winning technology platform to help America's top employers build stronger relationships with their employees. This voluntary employee benefit enables workers everywhere to feel more motivated to work harder and stay longer on the job while supporting their financial well-being outside of the workplace. DailyPay is headquartered in New York City, with operations throughout the United States as well as in Belfast. For more information, visit DailyPay's Press Center. You'll work alongside a supportive, high-impact team of skilled backend developers to improve how other teams deploy and access their services, how we move data across our platform, and how we automate operations to enable future scale.
DailyPay is transforming the way people get paid. As a worktech company and the industry's leading on demand pay solution, DailyPay uses an award-winning technology platform to help America's top employers build stronger relationships with their employees. This voluntary employee benefit enables workers everywhere to feel more motivated to work harder and stay longer on the job while supporting their financial well-being outside of the workplace. DailyPay is headquartered in New York City, with operations throughout the United States as well as in Belfast. For more information, visit DailyPay's Press Center. You'll work alongside a supportive, high-impact team of skilled backend developers to improve how other teams deploy and access their services, how we move data across our platform, and how we automate operations to enable future scale.
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Experience on : SFDX,LWC, Aura, Apex, Visual Force, SOQL, SOSL, Apex Triggers, Workflows, Approvals, Email Templates, Formulas, Validation Rules, AppExchange, IDE, Data Loader, SOAP API, REST API, Bulk API, and Streaming API
Experience on : SFDX,LWC, Aura, Apex, Visual Force, SOQL, SOSL, Apex Triggers, Workflows, Approvals, Email Templates, Formulas, Validation Rules, AppExchange, IDE, Data Loader, SOAP API, REST API, Bulk API, and Streaming API
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Technical Ability - Proficiency in React (including Hooks, Context API, and modern best practices). * Experience with RESTful API integration and data fetching * Experience with state management solutions (e.g., Redux, Zustand, Context API)
Technical Ability - Proficiency in React (including Hooks, Context API, and modern best practices). * Experience with RESTful API integration and data fetching * Experience with state management solutions (e.g., Redux, Zustand, Context API)
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Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
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Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
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API Driven Architecture (REST or SOAP).
API Driven Architecture (REST or SOAP).
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A working knowledge of API's and their use within a DMS a benefit
A working knowledge of API's and their use within a DMS a benefit
Proven experience building robust front-end applications using React, including Hooks, Context API, and component architecture. * Strong understanding of AWS, particularly with serverless stacks (Lambda, API Gateway, DynamoDB).
Proven experience building robust front-end applications using React, including Hooks, Context API, and component architecture. * Strong understanding of AWS, particularly with serverless stacks (Lambda, API Gateway, DynamoDB).
API Development: Develop APIs and web services (.NET/C) to support secure data exchange and third party connectivity. Hands on with modern API development (REST, SOAP) and data formats (JSON, XML).
API Development: Develop APIs and web services (.NET/C) to support secure data exchange and third party connectivity. Hands on with modern API development (REST, SOAP) and data formats (JSON, XML).
As Software Architect, you will lead the design and development strategy across critical API, gateway, and switching platforms within a nationwide payment processing ecosystem. * Proven success designing scalable SaaS platforms and API-based architectures
As Software Architect, you will lead the design and development strategy across critical API, gateway, and switching platforms within a nationwide payment processing ecosystem. * Proven success designing scalable SaaS platforms and API-based architectures
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IT Business Analyst (Technology Solution Analyst)
IT Business Analyst (Technology Solution Analyst)
CME Technology Support Services Ltd
Belfast, County Antrim
£ Not Disclosed
The CME Markets Technology team is looking for a Technology Solution Analyst to join the global Technology solutions and architecture team. The team is responsible for providing technical analysis that drives the evolution and growth of CME's core trade execution systems that power our electronic trading platforms CME Globex, EBS Direct and BrokerTec Stream. Our systems need to be both low latency and have high reliability while continuously delivering new features. The role will initially be focused on CME's Trade Dissemination and related systems, working in concert with the business, operations, development, and testing teams to provide creative solutions that meet the needs of our business and maintain our performance profile. The analyst will perform execution delivery activities like impact analysis, requirements discovery, scenario creation, test distillation,
The CME Markets Technology team is looking for a Technology Solution Analyst to join the global Technology solutions and architecture team. The team is responsible for providing technical analysis that drives the evolution and growth of CME's core trade execution systems that power our electronic trading platforms CME Globex, EBS Direct and BrokerTec Stream. Our systems need to be both low latency and have high reliability while continuously delivering new features. The role will initially be focused on CME's Trade Dissemination and related systems, working in concert with the business, operations, development, and testing teams to provide creative solutions that meet the needs of our business and maintain our performance profile. The analyst will perform execution delivery activities like impact analysis, requirements discovery, scenario creation, test distillation,
The Opportunity - Ocho is partnering with a fast-scaling, product-led Client to find a Software Engineer to help lead the design and evolution of their new platform. You'll help design, build, and deploy the next generation of back-end systems that power their modern software ecosystem. Key Responsibilities * Collaborate closely with team members to deliver high-quality, testable, and valuable software * Take ownership of back-end services and APIs, with a focus on user-visible behaviour * Participate in deployments, support CI/CD pipelines, and assist with planning and delivery * Contribute ideas for improving processes, tooling, and architecture - Essential Experience * 3+ years .Net experience * Experience in server-side development * Familiarity with full-stack development and database systems * Strong communication and problem-solving skills - What you'll get?
The Opportunity - Ocho is partnering with a fast-scaling, product-led Client to find a Software Engineer to help lead the design and evolution of their new platform. You'll help design, build, and deploy the next generation of back-end systems that power their modern software ecosystem. Key Responsibilities * Collaborate closely with team members to deliver high-quality, testable, and valuable software * Take ownership of back-end services and APIs, with a focus on user-visible behaviour * Participate in deployments, support CI/CD pipelines, and assist with planning and delivery * Contribute ideas for improving processes, tooling, and architecture - Essential Experience * 3+ years .Net experience * Experience in server-side development * Familiarity with full-stack development and database systems * Strong communication and problem-solving skills - What you'll get?
One of the fastest-growing software-led companies in the US is building out a new engineering hub in Belfast and is looking to hire a Principal TypeScript Engineer as one of their foundational local hires. The company operates in a high-impact, real-world domain and is scaling fast off the back of major investment and a successful product-market fit. This is a chance to shape technical direction, influence architecture across multiple products, and grow with a company building modern, high-scale systems. You'll collaborate with teams across the US and Europe, and play a key leadership role within a brand-new Belfast engineering group. * Leading the development of scalable applications using modern TypeScript across both backend (Node.js) and frontend (React) * Influencing architectural decisions across multiple product streams
One of the fastest-growing software-led companies in the US is building out a new engineering hub in Belfast and is looking to hire a Principal TypeScript Engineer as one of their foundational local hires. The company operates in a high-impact, real-world domain and is scaling fast off the back of major investment and a successful product-market fit. This is a chance to shape technical direction, influence architecture across multiple products, and grow with a company building modern, high-scale systems. You'll collaborate with teams across the US and Europe, and play a key leadership role within a brand-new Belfast engineering group. * Leading the development of scalable applications using modern TypeScript across both backend (Node.js) and frontend (React) * Influencing architectural decisions across multiple product streams
.NET, Azure PaaS, SQL/Oracle, API architecture, DevOps pipelines, SaaS, IaaS
.NET, Azure PaaS, SQL/Oracle, API architecture, DevOps pipelines, SaaS, IaaS
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Lead Data Engineer - Enterprise Data Warehouse (Fully Remote) VANRATH is proud to be working with a global leader in the payments industry to recruit a Lead Data Engineer for a fully remote, permanent role. This is a unique opportunity to design and build a centralised enterprise data warehouse, creating a single source of truth that will drive business-critical insights and enable strategic decision-making across the organisation. This is an ideal role for someone passionate about building data platforms from the ground up - with full autonomy to architect, implement, and evolve solutions that will shape the future of data within a dynamic, fast-paced business environment. Key Responsibilities - Design and develop a comprehensive, cloud-based enterprise data warehouse using industry best practices (Kimball, Data Vault, Data Mesh methodologies)
Lead Data Engineer - Enterprise Data Warehouse (Fully Remote) VANRATH is proud to be working with a global leader in the payments industry to recruit a Lead Data Engineer for a fully remote, permanent role. This is a unique opportunity to design and build a centralised enterprise data warehouse, creating a single source of truth that will drive business-critical insights and enable strategic decision-making across the organisation. This is an ideal role for someone passionate about building data platforms from the ground up - with full autonomy to architect, implement, and evolve solutions that will shape the future of data within a dynamic, fast-paced business environment. Key Responsibilities - Design and develop a comprehensive, cloud-based enterprise data warehouse using industry best practices (Kimball, Data Vault, Data Mesh methodologies)
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Intermediate Java Developer - Hybrid (Ballymena)
Intermediate Java Developer - Hybrid (Ballymena)
Ocho
Ballymena, County Antrim
£30,000 - £40,000 per annum
My client, a forward-thinking digital consultancy based in Ballymena, is looking for an Intermediate Java Developer to join their growing team. You'll be part of a tight-knit, tech-driven crew working on a wide range of impactful projects, from intelligent data platforms and mobile applications to custom software solutions that solve real business problems. If you're someone who thrives in a collaborative environment and wants to write clean, scalable Java code that makes a difference, keep reading. * Building and maintaining Java applications using Spring Boot, Spring MVC, and the wider Spring ecosystem. * Working closely with talented designers, analysts, and developers to bring ideas to life. * Designing and fine-tuning databases (PostgreSQL, MySQL, etc.) to ensure performance and reliability.
My client, a forward-thinking digital consultancy based in Ballymena, is looking for an Intermediate Java Developer to join their growing team. You'll be part of a tight-knit, tech-driven crew working on a wide range of impactful projects, from intelligent data platforms and mobile applications to custom software solutions that solve real business problems. If you're someone who thrives in a collaborative environment and wants to write clean, scalable Java code that makes a difference, keep reading. * Building and maintaining Java applications using Spring Boot, Spring MVC, and the wider Spring ecosystem. * Working closely with talented designers, analysts, and developers to bring ideas to life. * Designing and fine-tuning databases (PostgreSQL, MySQL, etc.) to ensure performance and reliability.
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Our client is a global firm that thrives on innovation and creating positive change. They work with some of the biggest names across a range of thriving industries and offer fantastic growth opportunities. They are heavily investing in their data team here in Belfast - hiring from Junior right up to Lead positions, working on a hybrid basis from some of city's newest and most modern offices. As part of the clients Digital team, youll work alongside colleagues from across the company delivering transformative digital solutions to todays most complex business challenges. What's in it for you? * Great salaries and annual bonus * Flexible hybrid working options * Private medical insurance, critical illness and life/income protection insurance * Generous pension scheme * Cutting-edge projects using AWS and other modern technologies - What are we looking for?
Our client is a global firm that thrives on innovation and creating positive change. They work with some of the biggest names across a range of thriving industries and offer fantastic growth opportunities. They are heavily investing in their data team here in Belfast - hiring from Junior right up to Lead positions, working on a hybrid basis from some of city's newest and most modern offices. As part of the clients Digital team, youll work alongside colleagues from across the company delivering transformative digital solutions to todays most complex business challenges. What's in it for you? * Great salaries and annual bonus * Flexible hybrid working options * Private medical insurance, critical illness and life/income protection insurance * Generous pension scheme * Cutting-edge projects using AWS and other modern technologies - What are we looking for?
Hands-on with API integrations (REST, SOAP)
Hands-on with API integrations (REST, SOAP)
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Are you a talented and experienced Embedded Software Engineer looking to make an impact within a forward-thinking team? MCS Group is looking for a motivated individual to design, develop, and optimise software solutions tailored to client needs and hardware platforms. * Develop and modify software for embedded systems to enhance performance and efficiency * Analyse user requirements and create tailored software solutions * Debug and resolve complex technical issues * Collaborate across teams to define specifications, requirements, and solutions * Write clean, well-documented, and testable code * Prioritise tasks and manage project deadlines with minimal supervision * Bachelor's degree in Computer Science, Engineering or a related field * You will have been working in a commercial software engineering position for a few years now, and will have spent a proportion of th
Are you a talented and experienced Embedded Software Engineer looking to make an impact within a forward-thinking team? MCS Group is looking for a motivated individual to design, develop, and optimise software solutions tailored to client needs and hardware platforms. * Develop and modify software for embedded systems to enhance performance and efficiency * Analyse user requirements and create tailored software solutions * Debug and resolve complex technical issues * Collaborate across teams to define specifications, requirements, and solutions * Write clean, well-documented, and testable code * Prioritise tasks and manage project deadlines with minimal supervision * Bachelor's degree in Computer Science, Engineering or a related field * You will have been working in a commercial software engineering position for a few years now, and will have spent a proportion of th
Ocho is working on behalf of a well-regarded digital consultancy that delivers bespoke Salesforce solutions for clients across a range of industries. This organisation is known for its innovative projects, collaborative culture, and commitment to technical excellence. Due to continued growth, they are looking for an experienced Salesforce Developer to join their team. This is an excellent opportunity for a mid-level Salesforce Developer to work on cutting-edge solutions, contribute to technical design, and shape end-to-end implementations that have real business impact. You will be responsible for developing, customising, and integrating Salesforce solutions that support client business objectives. * Design and develop Salesforce applications using Apex, Lightning Web Components, Visualforce, and Flows * Integrate Salesforce with third-party APIs and legacy systems
Ocho is working on behalf of a well-regarded digital consultancy that delivers bespoke Salesforce solutions for clients across a range of industries. This organisation is known for its innovative projects, collaborative culture, and commitment to technical excellence. Due to continued growth, they are looking for an experienced Salesforce Developer to join their team. This is an excellent opportunity for a mid-level Salesforce Developer to work on cutting-edge solutions, contribute to technical design, and shape end-to-end implementations that have real business impact. You will be responsible for developing, customising, and integrating Salesforce solutions that support client business objectives. * Design and develop Salesforce applications using Apex, Lightning Web Components, Visualforce, and Flows * Integrate Salesforce with third-party APIs and legacy systems
Deep knowledge of REST APIs, data formats (JSON, XML, Avro), and API integrations
Deep knowledge of REST APIs, data formats (JSON, XML, Avro), and API integrations
Strong technical background across API, front-end, and full-stack environments
Strong technical background across API, front-end, and full-stack environments
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Are you an AI Engineer ready to design and deploy cutting-edge AI systems in a secure, regulated, cloud-first environment? My client is expanding with a multi-million-pound investment in new infrastructure and a significant recruitment drive. As part of this growth, they're looking for a skilled AI Engineer to take the lead in building secure, compliant, and high-performing AI solutions-particularly around Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and responsible AI deployment. This is an excellent opportunity to work in a modern, Microsoft-based tech stack, tackling greenfield projects that make a real impact in a highly regulated industry. What's in it for you? * Competitive Salary: £60-80k * 30 days of annual leave (rising to 35 over time) * Employer pension contributions * Employee Benefits Program (after probation)
Are you an AI Engineer ready to design and deploy cutting-edge AI systems in a secure, regulated, cloud-first environment? My client is expanding with a multi-million-pound investment in new infrastructure and a significant recruitment drive. As part of this growth, they're looking for a skilled AI Engineer to take the lead in building secure, compliant, and high-performing AI solutions-particularly around Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and responsible AI deployment. This is an excellent opportunity to work in a modern, Microsoft-based tech stack, tackling greenfield projects that make a real impact in a highly regulated industry. What's in it for you? * Competitive Salary: £60-80k * 30 days of annual leave (rising to 35 over time) * Employer pension contributions * Employee Benefits Program (after probation)
Senior Backend Engineer Kotlin / JVM | Cloud-Native Platform - Location: UK (Remote-first) Building Teams OCHO - Were working with a product-led scaleup building the next generation of marketplace infrastructurebringing together deep domain complexity, cloud-native scale, and a culture that values clean architecture, engineering maturity, and collaborative delivery. This client is growing their backend capability and hiring a Senior Backend Engineer who can balance systems thinking with code quality, fast iteration, and product ownership. This is a team where youll influence not just what gets builtbut how. What Youll Be Doing * Designing and building performant, secure, and scalable backend services using Kotlin within a Spring Boot and GCP ecosystem. * Contributing to the evolution of a distributed, service-oriented architecture, including ownership of core product
Senior Backend Engineer Kotlin / JVM | Cloud-Native Platform - Location: UK (Remote-first) Building Teams OCHO - Were working with a product-led scaleup building the next generation of marketplace infrastructurebringing together deep domain complexity, cloud-native scale, and a culture that values clean architecture, engineering maturity, and collaborative delivery. This client is growing their backend capability and hiring a Senior Backend Engineer who can balance systems thinking with code quality, fast iteration, and product ownership. This is a team where youll influence not just what gets builtbut how. What Youll Be Doing * Designing and building performant, secure, and scalable backend services using Kotlin within a Spring Boot and GCP ecosystem. * Contributing to the evolution of a distributed, service-oriented architecture, including ownership of core product
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