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10 Contract API jobs in Northern Ireland + 20 miles
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EIS Service and Support G7 Platform Operations Manager
EIS Service and Support G7 Platform Operations Manager
H M Revenue & Customs (HMRC)
UK
From £56,344 to £62,590 per annum
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
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System Architect (Belfast) – Financial Services Technology
System Architect (Belfast) – Financial Services Technology
VantagePoint
Belfast, County Antrim
Competitive
API and system integration expertise (REST, GraphQL, messaging middleware, data integration).
API and system integration expertise (REST, GraphQL, messaging middleware, data integration).
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We are seeking innovative Frontend/API Developers proficient in React, TypeScript, GraphQL, to build user-friendly interfaces and efficient APIs for engagement with our AWS Data Lake. * Develop intuitive, scalable front-end applications using React and Typescript, integrated with API frameworks * Design and build efficient API solutions using GraphQL, ensuring seamless access to data lake resources * Optimize API performance for efficient real-time querying * Strong knowledge of GraphQL API development and query optimization
We are seeking innovative Frontend/API Developers proficient in React, TypeScript, GraphQL, to build user-friendly interfaces and efficient APIs for engagement with our AWS Data Lake. * Develop intuitive, scalable front-end applications using React and Typescript, integrated with API frameworks * Design and build efficient API solutions using GraphQL, ensuring seamless access to data lake resources * Optimize API performance for efficient real-time querying * Strong knowledge of GraphQL API development and query optimization
You will be a quality advocate and will drive automation-first practices, with a strong focus on API testing . Lead API, UI, and performance testing within CI/CD pipelines.
You will be a quality advocate and will drive automation-first practices, with a strong focus on API testing . Lead API, UI, and performance testing within CI/CD pipelines.
Top Skills: BrazeSmsTwilioWhatsappWhatsapp Business Api Join Kainos and Shape the Future
Top Skills: BrazeSmsTwilioWhatsappWhatsapp Business Api Join Kainos and Shape the Future
Software Engineer (Belfast) – Financial Services Technology
Software Engineer (Belfast) – Financial Services Technology
VantagePoint
Belfast, County Antrim
Competitive
Software Engineer Financial Services Technology - Are you an ambitious software engineer eager to work with cutting-edge technologies in financial services? Do you thrive in collaborative teams where learning, innovation, and delivery go hand in hand? If so, this role could be the perfect next step for you. About the Role - Our client, a leading global financial services institution, is building a new platform using the latest technologies and modern architecture. As a Software Engineer , you will join a newly formed team working closely with AWS experts and senior engineers. Youll contribute to the design, development, and testing of software, while gaining exposure to cloud-native practices and engineering excellence. This is a fantastic opportunity to grow your skills while helping shape the next generation of the organisations technology landscape. Key Responsibil
Software Engineer Financial Services Technology - Are you an ambitious software engineer eager to work with cutting-edge technologies in financial services? Do you thrive in collaborative teams where learning, innovation, and delivery go hand in hand? If so, this role could be the perfect next step for you. About the Role - Our client, a leading global financial services institution, is building a new platform using the latest technologies and modern architecture. As a Software Engineer , you will join a newly formed team working closely with AWS experts and senior engineers. Youll contribute to the design, development, and testing of software, while gaining exposure to cloud-native practices and engineering excellence. This is a fantastic opportunity to grow your skills while helping shape the next generation of the organisations technology landscape. Key Responsibil
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The selected candidate will join the Data Services Domain within Technology in Belfast as a Staff Software Engineer, initially supporting the CME Benchmark Administration Business. You will be part of the Benchmark & Indices Pod. This role will be instrumental in designing, developing, and maintaining the systems and tools used for the accurate calculation, administration, and governance of CME Group's proprietary financial benchmarks as administered by CME Benchmark Administration. The successful candidate will leverage their technical expertise to enhance operational efficiency, ensure data integrity, and support compliance with regulatory requirements and industry best practices. Essential Criteria * Bachelor's degree (with honors) or equivalent/better strongly preferred, but substantial relevant experience could substitute
The selected candidate will join the Data Services Domain within Technology in Belfast as a Staff Software Engineer, initially supporting the CME Benchmark Administration Business. You will be part of the Benchmark & Indices Pod. This role will be instrumental in designing, developing, and maintaining the systems and tools used for the accurate calculation, administration, and governance of CME Group's proprietary financial benchmarks as administered by CME Benchmark Administration. The successful candidate will leverage their technical expertise to enhance operational efficiency, ensure data integrity, and support compliance with regulatory requirements and industry best practices. Essential Criteria * Bachelor's degree (with honors) or equivalent/better strongly preferred, but substantial relevant experience could substitute
About Behavox - Behavox is shaping the future for how businesses harness their most important raw material - data. Our mission is bold: Organize enterprise data into actionable information that protects and promotes the business growth of multinational companies around the world. From managing enterprise risk and compliance to maximizing revenue and value, our data operating platform presents a widespread opportunity to build multilingual, AI/ML-based solutions that activate data for every function within a global enterprise. Our approach is unique, and it's validated by our customers who tell us to keep forging ahead because no one else is aggregating, analyzing, and acting on data to uncover opportunities or solve problems quite the way we are. We are looking for fearless innovators who have an insatiable appetite for building what no one has built before. About the
About Behavox - Behavox is shaping the future for how businesses harness their most important raw material - data. Our mission is bold: Organize enterprise data into actionable information that protects and promotes the business growth of multinational companies around the world. From managing enterprise risk and compliance to maximizing revenue and value, our data operating platform presents a widespread opportunity to build multilingual, AI/ML-based solutions that activate data for every function within a global enterprise. Our approach is unique, and it's validated by our customers who tell us to keep forging ahead because no one else is aggregating, analyzing, and acting on data to uncover opportunities or solve problems quite the way we are. We are looking for fearless innovators who have an insatiable appetite for building what no one has built before. About the
As a Salesforce Solutions Architect, you will lead design and delivery of scalable Salesforce solutions, ensuring alignment with customer needs. Responsibilities include overseeing integrations, defining best practices, and providing technical guidance to teams. As a Lead Solutions Architect, you'll design Salesforce solutions, oversee integrations, define best practices, and lead cross-functional collaboration. Top Skills: Data Privacy RegulationsIntegration SystemsSalesforceArtificial Intelligence Marketing Tech Software ConsultingThe Salesforce B2B Solution Architect leads technical teams to develop enterprise Salesforce solutions, manages client engagements, and ensures project success. Top Skills: CSSExperience CloudHTMLLightning FrameworkOmsRest ApisSalesforceSalesforce B2B CommerceSalesforce Data ToolsSoap Apis Join Kainos and Shape the Future
As a Salesforce Solutions Architect, you will lead design and delivery of scalable Salesforce solutions, ensuring alignment with customer needs. Responsibilities include overseeing integrations, defining best practices, and providing technical guidance to teams. As a Lead Solutions Architect, you'll design Salesforce solutions, oversee integrations, define best practices, and lead cross-functional collaboration. Top Skills: Data Privacy RegulationsIntegration SystemsSalesforceArtificial Intelligence Marketing Tech Software ConsultingThe Salesforce B2B Solution Architect leads technical teams to develop enterprise Salesforce solutions, manages client engagements, and ensures project success. Top Skills: CSSExperience CloudHTMLLightning FrameworkOmsRest ApisSalesforceSalesforce B2B CommerceSalesforce Data ToolsSoap Apis Join Kainos and Shape the Future
Principal Software Engineer (Belfast) – Financial Services Technology
Principal Software Engineer (Belfast) – Financial Services Technology
VantagePoint
Belfast, County Antrim
Competitive
Proficiency in API design and development (REST, GraphQL).
Proficiency in API design and development (REST, GraphQL).
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64 exact matches jobs are outside your preferred location
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IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
InfinityQuest Ltd,
Europe
Unspecified
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
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Experience with API integrations.
Experience with API integrations.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Create and manage REST/SOAP API integrations with third-party systems.
Create and manage REST/SOAP API integrations with third-party systems.
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A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
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Senior PHP Developer - Location: Home-based - Remote - UK Based applicants only - Duration: Contract until 31 st December 2025 Expected extension - Rate: £350 - £370 Inside IR35 - Are you an experienced Senior PHP Developer with a passion for building secure, scalable, and business-critical applications? Were looking for a Senior PHP Developer to join our transformation team someone who can drive technical excellence, mentor others, and deliver innovative solutions. What Youll Do * Develop and maintain business systems, applications, and integrations. * Write secure, scalable, and maintainable code following best practices (MVC standards). * Design and build intuitive user interfaces using HTML, CSS, JavaScript (Vue.js or similar). * Review code and ensure high-quality, defect-free releases. * Document system architecture, design iterations, and processes.
Senior PHP Developer - Location: Home-based - Remote - UK Based applicants only - Duration: Contract until 31 st December 2025 Expected extension - Rate: £350 - £370 Inside IR35 - Are you an experienced Senior PHP Developer with a passion for building secure, scalable, and business-critical applications? Were looking for a Senior PHP Developer to join our transformation team someone who can drive technical excellence, mentor others, and deliver innovative solutions. What Youll Do * Develop and maintain business systems, applications, and integrations. * Write secure, scalable, and maintainable code following best practices (MVC standards). * Design and build intuitive user interfaces using HTML, CSS, JavaScript (Vue.js or similar). * Review code and ensure high-quality, defect-free releases. * Document system architecture, design iterations, and processes.
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Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
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Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
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HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
TypeScript | React | Go | Python | Mission-Driven Start-up - Weve partnered with a mission-driven, remote-first start-up thats transforming a global industry worth billions. Their platform is tackling long-standing inefficiencies, unlocking fairness, transparency, and faster payments for creators and rights-holders worldwide. Theyre looking for a Full Stack Software Engineer who wants to build technology that makes a real impact. You wont just write code - youll solve real-world problems that improve how people get paid and recognized. Youll build end-to-end features across UI, APIs, and infrastructure, helping the team deliver meaningful products. * Salary:Up to £100,000 (DOE) * Location:Fully remote (UK only) * Key Technologies:TypeScript, React, Next.js, Go or Python, AWS or GCP - Senior Software Engineer Requirements * 5+ years experience as a Software Engineer (F
TypeScript | React | Go | Python | Mission-Driven Start-up - Weve partnered with a mission-driven, remote-first start-up thats transforming a global industry worth billions. Their platform is tackling long-standing inefficiencies, unlocking fairness, transparency, and faster payments for creators and rights-holders worldwide. Theyre looking for a Full Stack Software Engineer who wants to build technology that makes a real impact. You wont just write code - youll solve real-world problems that improve how people get paid and recognized. Youll build end-to-end features across UI, APIs, and infrastructure, helping the team deliver meaningful products. * Salary:Up to £100,000 (DOE) * Location:Fully remote (UK only) * Key Technologies:TypeScript, React, Next.js, Go or Python, AWS or GCP - Senior Software Engineer Requirements * 5+ years experience as a Software Engineer (F
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Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
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Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
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UKIC Cleared Senior Front-end JavaScript Developer
UKIC Cleared Senior Front-end JavaScript Developer
Damia Group Ltd
UK
£40000 - £80000 per annum + and bonus
Familiarity with microservices architecture and API development (REST, GraphQL).
Familiarity with microservices architecture and API development (REST, GraphQL).
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