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37 Permanent API jobs in County Antrim + 5 miles
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Integration Developer API's REST SOAP
Integration Developer API's REST SOAP
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Extensive experience in enterprise-level Java development with deep REST API and microservice expertise.
Extensive experience in enterprise-level Java development with deep REST API and microservice expertise.
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Extensive experience in enterprise-level Java development with deep REST API and microservice expertise.
Extensive experience in enterprise-level Java development with deep REST API and microservice expertise.
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Commercial experience delivering applications in .NET Core (C#), including experience with Entity Framework and Web API
Commercial experience delivering applications in .NET Core (C#), including experience with Entity Framework and Web API
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Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync)
Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync)
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Proven experience with API design and collaboration with backend teams
Proven experience with API design and collaboration with backend teams
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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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Senior Software Developer (Greenfield Project)
Senior Software Developer (Greenfield Project)
VANRATH
Lisburn, County Antrim
£50,000 - £60,000 per annum
Vanrath are delighted to be working with an established, growing company in the professional services sector who are seeking a talented Full Stack Developer to join their small, agile development team. This is a fantastic opportunity to work in a fast-paced environment where your input genuinely shapes both internal business systems and innovative new product development. You will have the opportunity to work on a Greenfield project later on in the year too! This is a hands-on development role for a mid to senior-level developer who thrives in an environment where code quality, performance, and maintainability are key. You'll be working across the full stack, with a strong emphasis on the .NET ecosystem and modern front-end frameworks like Angular. Key Responsibilities * Design, develop, and maintain internal and client-facing applications using C#, .NET, and Angular
Vanrath are delighted to be working with an established, growing company in the professional services sector who are seeking a talented Full Stack Developer to join their small, agile development team. This is a fantastic opportunity to work in a fast-paced environment where your input genuinely shapes both internal business systems and innovative new product development. You will have the opportunity to work on a Greenfield project later on in the year too! This is a hands-on development role for a mid to senior-level developer who thrives in an environment where code quality, performance, and maintainability are key. You'll be working across the full stack, with a strong emphasis on the .NET ecosystem and modern front-end frameworks like Angular. Key Responsibilities * Design, develop, and maintain internal and client-facing applications using C#, .NET, and Angular
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Role: We are looking for a driven, technically strong tech lead who thrives in a modern SaaS environment. You will be a key contributor to the architecture, development, and continuous improvement of Aryzas platforms. This role suits someone who values clean code, scalable design, cloud-first architecture, and the ability to deploy to production frequently and safely. The successful candidate will be build and lead a team of world class engineers fostering best practice and the Aryza way. As part of an agile development team you will work closely with our development and product teams and play a key role in defining and shaping new features and products. This is an exciting opportunity for highly motivated individuals to work in a rapidly expanding company. Reporting to the Engineering Manager, this is a hybrid permanent position based in our Lisburn office.
Role: We are looking for a driven, technically strong tech lead who thrives in a modern SaaS environment. You will be a key contributor to the architecture, development, and continuous improvement of Aryzas platforms. This role suits someone who values clean code, scalable design, cloud-first architecture, and the ability to deploy to production frequently and safely. The successful candidate will be build and lead a team of world class engineers fostering best practice and the Aryza way. As part of an agile development team you will work closely with our development and product teams and play a key role in defining and shaping new features and products. This is an exciting opportunity for highly motivated individuals to work in a rapidly expanding company. Reporting to the Engineering Manager, this is a hybrid permanent position based in our Lisburn office.
Senior Java Engineer - Belfast (Hybrid) Up to £80,000 + Exceptional Benefits | Backend Java | Global Impact | Flexible Working - MCS are delighted to be partnering with a forward-thinking global tech leader. This company is hiring for a Senior Software Engineer to join a highly collaborative engineering team tackling critical backend challenges. This is your chance to work on services used by some of the most recognisable global brands. What You'll Be Doing * Designing and implementing backend microservices using Java and Spring Boot * Building and refining RESTful APIs that power secure, real-time payment flows * Writing clean, testable code with a focus on quality, performance, and reliability * Leading on feature analysis, architecture decisions, and release planning * Contributing to peer reviews, automated testing, and continuous integration * Mentoring Junior De
Senior Java Engineer - Belfast (Hybrid) Up to £80,000 + Exceptional Benefits | Backend Java | Global Impact | Flexible Working - MCS are delighted to be partnering with a forward-thinking global tech leader. This company is hiring for a Senior Software Engineer to join a highly collaborative engineering team tackling critical backend challenges. This is your chance to work on services used by some of the most recognisable global brands. What You'll Be Doing * Designing and implementing backend microservices using Java and Spring Boot * Building and refining RESTful APIs that power secure, real-time payment flows * Writing clean, testable code with a focus on quality, performance, and reliability * Leading on feature analysis, architecture decisions, and release planning * Contributing to peer reviews, automated testing, and continuous integration * Mentoring Junior De
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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
NEWFEATURED
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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Knowledge of secure coding practices and API architecture.
Knowledge of secure coding practices and API architecture.
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Multiple Software Engineers - .Net (Mid - Senior Level)
Multiple Software Engineers - .Net (Mid - Senior Level)
VANRATH
Belfast, County Antrim
£40,000 - £65,000 per annum
Secure coding and API architecture knowledge
Secure coding and API architecture knowledge
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Contribute to development across API backends, web interfaces, and mobile applications.
Contribute to development across API backends, web interfaces, and mobile applications.
Proven experience with API design and collaboration with backend teams
Proven experience with API design and collaboration with backend teams
Comfortable collaborating closely with backend teams to align API design with mobile constraints
Comfortable collaborating closely with backend teams to align API design with mobile constraints
Comfortable collaborating closely with backend teams to align API design with mobile constraints
Comfortable collaborating closely with backend teams to align API design with mobile constraints
Ruby on Rails Team Lead - Location: Remote (NI ) Permanent - Competitive salary + equity options available - Contact: Ryan Quinn on LinkedIN - OCHO - Building Teams - The Company - Join a global software business with over 300 staff across 9 countries, building beautifully engineered platforms used by some of the world's most recognisable brands. Their product suite powers scheduling, communication, and team coordination at scale - simplifying operations and boosting engagement across industries. They're scaling one of their core engineering teams and looking for a hands-on Ruby on Rails leader to take the reins. The Role - This isn't a "steer-from-the-sidelines" kind of job. You'll lead a small, high-performing team while remaining technically sharp - delivering production code, mentoring engineers, and guiding product direction.
Ruby on Rails Team Lead - Location: Remote (NI ) Permanent - Competitive salary + equity options available - Contact: Ryan Quinn on LinkedIN - OCHO - Building Teams - The Company - Join a global software business with over 300 staff across 9 countries, building beautifully engineered platforms used by some of the world's most recognisable brands. Their product suite powers scheduling, communication, and team coordination at scale - simplifying operations and boosting engagement across industries. They're scaling one of their core engineering teams and looking for a hands-on Ruby on Rails leader to take the reins. The Role - This isn't a "steer-from-the-sidelines" kind of job. You'll lead a small, high-performing team while remaining technically sharp - delivering production code, mentoring engineers, and guiding product direction.
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Malware Analyst / Reverse Engineer (Hybrid)
Malware Analyst / Reverse Engineer (Hybrid)
Allstate Northern Ireland
Belfast, County Antrim
£50,000 - £70,000 per annum
At Allstate, great things happen when our people work together to protect families and their belongings from lifes uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Your role in the team - The Allstate Information Security (AIS) department is responsible for managing cyber security at Allstate. This includes Governance/Risk/Compliance, Access Management, Network Security, and Threat Response Services. The department is responsible for ensuring confidentiality, integrity, and availability of Allstate systems. We are seeking an experienced Malware Analyst/Reverse Engineer to perform malware analysis and reverse engi
At Allstate, great things happen when our people work together to protect families and their belongings from lifes uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Your role in the team - The Allstate Information Security (AIS) department is responsible for managing cyber security at Allstate. This includes Governance/Risk/Compliance, Access Management, Network Security, and Threat Response Services. The department is responsible for ensuring confidentiality, integrity, and availability of Allstate systems. We are seeking an experienced Malware Analyst/Reverse Engineer to perform malware analysis and reverse engi
Ruby on Rails Team Lead - Location: Remote (NI ) Permanent - Competitive salary + equity options available - Contact: Ryan Quinn on LinkedIN - OCHO - Building Teams - The Company - Join a global software business with over 300 staff across 9 countries, building beautifully engineered platforms used by some of the world's most recognisable brands. Their product suite powers scheduling, communication, and team coordination at scale - simplifying operations and boosting engagement across industries. They're scaling one of their core engineering teams and looking for a hands-on Ruby on Rails leader to take the reins. The Role - This isn't a "steer-from-the-sidelines" kind of job. You'll lead a small, high-performing team while remaining technically sharp - delivering production code, mentoring engineers, and guiding product direction.
Ruby on Rails Team Lead - Location: Remote (NI ) Permanent - Competitive salary + equity options available - Contact: Ryan Quinn on LinkedIN - OCHO - Building Teams - The Company - Join a global software business with over 300 staff across 9 countries, building beautifully engineered platforms used by some of the world's most recognisable brands. Their product suite powers scheduling, communication, and team coordination at scale - simplifying operations and boosting engagement across industries. They're scaling one of their core engineering teams and looking for a hands-on Ruby on Rails leader to take the reins. The Role - This isn't a "steer-from-the-sidelines" kind of job. You'll lead a small, high-performing team while remaining technically sharp - delivering production code, mentoring engineers, and guiding product direction.
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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. This role may be suitable for an experienced Technical Analyst who has been working in a Quality Assurance role and is considering a move i
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. This role may be suitable for an experienced Technical Analyst who has been working in a Quality Assurance role and is considering a move i
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Job Title: Digital Senior Consultant - Location: Belfast, Hybrid - OutForm Consulting is a dynamic consulting team focused on delivering business - performance improvements, sustainable results, and creating an environment for our team and our clients to Thrive. We are passionate about building long-lasting relationships with our clients and our team. As a Digital Senior Consultant, you will lead digital consulting engagements for our clients, contributing to the development of client relationships and shaping the future direction of OutForm. * Lead business improvement consulting engagements for clients. * Shape and implement complex business change and transformational programs. * Effectively lead and manage sub-workstreams and collaborate with senior stakeholders. * Contribute to business development activities, supporting referrals and new business opportunities.
Job Title: Digital Senior Consultant - Location: Belfast, Hybrid - OutForm Consulting is a dynamic consulting team focused on delivering business - performance improvements, sustainable results, and creating an environment for our team and our clients to Thrive. We are passionate about building long-lasting relationships with our clients and our team. As a Digital Senior Consultant, you will lead digital consulting engagements for our clients, contributing to the development of client relationships and shaping the future direction of OutForm. * Lead business improvement consulting engagements for clients. * Shape and implement complex business change and transformational programs. * Effectively lead and manage sub-workstreams and collaborate with senior stakeholders. * Contribute to business development activities, supporting referrals and new business opportunities.
Principal Java Engineer - NI 100% remote * Salary: up to £80k + bonus+ benefits - Our client is a leading global payments business with a strong engineering presence in Northern Ireland. Their mission is to radically and responsibly deliver value to merchants by building a next-gen, merchant-first ecosystem. With a product-centric culture and a focus on technical excellence, they empower small teams to deliver big outcomesfree from red tape and bureaucracy. They're looking for a Principal Java Engineer to help shape the architecture, lead development efforts, and mentor other engineers across high-impact initiatives. As a Principal Java Engineer, you'll drive backend development across complex distributed systems, helping to define and deliver merchant-focused products. You'll be trusted to lead design discussions, introduce best practices, and work closely with Produ
Principal Java Engineer - NI 100% remote * Salary: up to £80k + bonus+ benefits - Our client is a leading global payments business with a strong engineering presence in Northern Ireland. Their mission is to radically and responsibly deliver value to merchants by building a next-gen, merchant-first ecosystem. With a product-centric culture and a focus on technical excellence, they empower small teams to deliver big outcomesfree from red tape and bureaucracy. They're looking for a Principal Java Engineer to help shape the architecture, lead development efforts, and mentor other engineers across high-impact initiatives. As a Principal Java Engineer, you'll drive backend development across complex distributed systems, helping to define and deliver merchant-focused products. You'll be trusted to lead design discussions, introduce best practices, and work closely with Produ
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NET Core , ASP.NET Core Web API
NET Core , ASP.NET Core Web API