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33 Permanent API jobs in County Down + 5 miles
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Integration Developer API's REST SOAP
Integration Developer API's REST SOAP
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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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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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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
Proven experience with API design and collaboration with backend teams
Proven experience with API design and collaboration with backend teams
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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
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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.
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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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
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SQL Database Analyst
SQL Database Analyst
Staffline Recruitment (NI) Ltd.
Downpatrick, County Down
£45,000 - £55,000 per annum
Database & Systems Analyst - Hybrid (Downpatrick) £45,000-£55,000 + Benefits | Full Time | Permanent - We are seeking an experienced SQL Database professional to join our clients team on a permanent basis. This opportunity is ideal for someone ready to take ownership of critical systems while supporting business-wide digital tools and data infrastructure. You'll be joining a collaborative internal tech team, supporting core business systems (including ERP/MES) and working across departments to drive improvements and implement change. This is a hands-on role with lots of variety, from database performance and 2nd-line application support to driving data security and reporting enhancements. You'll be empowered to make tangible impact, with flexible and hybrid working options available. * Proven experience in SQL database administration and performance optimisation
Database & Systems Analyst - Hybrid (Downpatrick) £45,000-£55,000 + Benefits | Full Time | Permanent - We are seeking an experienced SQL Database professional to join our clients team on a permanent basis. This opportunity is ideal for someone ready to take ownership of critical systems while supporting business-wide digital tools and data infrastructure. You'll be joining a collaborative internal tech team, supporting core business systems (including ERP/MES) and working across departments to drive improvements and implement change. This is a hands-on role with lots of variety, from database performance and 2nd-line application support to driving data security and reporting enhancements. You'll be empowered to make tangible impact, with flexible and hybrid working options available. * Proven experience in SQL database administration and performance optimisation
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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.
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.
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
API Development using REST and GraphQL practices.
API Development using REST and GraphQL practices.
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Experience with backend application design, API development, and systems integration
Experience with backend application design, API development, and systems integration
Defining API schemas and working closely with backend teams * Experience in API design and frontend performance optimisation
Defining API schemas and working closely with backend teams * Experience in API design and frontend performance optimisation
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