11 of 11 Permanent API Development Jobs in Northern Ireland

developing, and deploying integration solutions that connect multiple enterprise systems, applications, and data sources. This is an exciting opportunity to work on cutting-edge API-led connectivity, enhancing agility and scalability. CGI was recognised in the Sunday Times Best Places to Work list 2024 and has been named one … MuleSoft APIs and integrations to support digital transformation initiatives. • Collaborate with business and technology teams to understand integration requirements and deliver scalable solutions. • Develop API-led connectivity solutions using MuleSoft Anypoint Platform. • Create and maintain RAML and OpenAPI specifications for RESTful APIs. • Ensure best practices in API security … governance, and performance optimization. • Perform unit testing and integration testing to validate API functionality and reliability. • Troubleshoot and resolve technical issues in integration services. • Work with CI/CD pipelines and DevOps practices to automate API deployments. • Provide technical expertise and guidance to junior developers and stakeholders. • Stay More ❯

demand performance, resilience, and zero downtime What You'll Bring Commercial experience with Java, Spring Boot, Spring MVC , and related frameworks Understanding of REST API development , SQL/MySQL , and microservice architecture Familiarity with DevOps tools: Git, Maven, Jenkins , and containerisation (Docker/Kubernetes) Strong commitment to quality … clean code, and continuous delivery Excellent problem-solving skills and a collaborative mindset Agile development experience in a team setting Bonus Skills (nice to have) Experience with big data tools like Hadoop, Spark, or Scala Exposure to fraud, payments , or financial services platforms Understanding of cloud-native development and container orchestration Knowledge of test-driven development and modern code quality practices What's on Offer Unrivalled pension scheme that sets the benchmark in the tech industry Unheard-of bonus potential tied to performance and delivery Flexible hybrid working model - 3 days office/2 days remote More ❯

/Lead who could drive technology transformation in the team. This role involves taking ownership of key projects and components throughout the entire Software Development Life Cycle (SDLC). A primary focus will be on design, development & maintenance of components under Price Master Central systems which would require … expertise in Java, Spring, SQL, API development, Kafka, Kubernetes, and Cloud technologies. You will guide & mentor team of engineers, providing technical expertise and direction, and ensure adherence to best practices. A strong understanding of system and enterprise architecture is essential. You will collaborate with global and diverse teams … Securities & Pricing data from market vendors and internal Citi sources and providing it to downstream clients after applying client specific rules. Responsibilities : Deliver assigned development projects within agreed schedule, quality and scope expectations Participate in all stages of the SDLC within an agile Scrum environment Form partnership with technology More ❯

orchestration platform. This is a remarkable opportunity for someone with back-end skills and cloud expertise to make a significant difference in early product development at our company. Magnify needs problem solvers who like to automate and optimize, enjoy simplifying complexity and know how to experiment. Magnify will depend … related field. * 7+ years of experience working as a software engineer building applications in a high growth, startup environment. * Strong proficiency in web application development, including data modelling across relational and non-relational data stores, API development, asynchronous workflow orchestration, and development of web-based UIs More ❯

Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using … AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including … virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. ? Requirements ? Polyglot Developer : Proficiency in multiple programming languages and frameworks, with the ability to work across More ❯

Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using … AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including … virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. Requirements : Polyglot Developer : Proficiency in multiple programming languages and frameworks, with the ability to work across More ❯

technical support. Excellent client-facing skills and solid technical expertise are essential. Responsibilities Provide architectural advice and contribute to high-level architecture discussions. Lead development processes, establishing principles and robust methods across architecture, scope, code quality, infrastructure, and deployment. Model team behaviors for specifications, acceptance criteria, story estimation, sprint … and developing full stack applications using TypeScript, React, and Next.js. Strong UI engineering skills with CSS, accessibility compliance, and working with design systems. Backend API development experience with Node.js, databases, ORM patterns (e.g., Prisma), and service-oriented architectures. Experience with cloud-native applications in AWS, Azure, or GCP … preferably with serverless architectures. Relevant cloud certifications or equivalent experience. Knowledge of software testing approaches (TDD, BDD) and frameworks. Experience with agile development, including sprints, estimation, and acceptance criteria. Experience with infrastructure-as-code, CI/CD, and release management strategies. Additional Information We value diversity and inclusion, fostering More ❯

across delivery, product and operations teams Develop robust integrations, custom APIs, and maintain business-critical automated processes Provide strategic guidance, frameworks, and standards for development and automation solutions Stay abreast of emerging technologies and tools, introducing innovations that enhance operational performance Collaborate with stakeholders across all levels, translating technical … tools (Git, Azure DevOps, GitHub/GitLab) Skilled in multiple programming languages, ideally including: .Net (C#) PowerShell T-SQL Deep understanding of the software development lifecycle and Agile methodologies Proven experience in DevOps/SRE practices, CI/CD pipelines and Infrastructure as Code (Terraform, Bicep, ARM) Solid understanding … of API development and modern cloud architecture principles Relevant certifications (Azure, DevOps, Cloud Adoption Framework) Salary + Location: This role is paying up to £75,000 Basic Per Annum + Discretionary Bonus Work From Home Opportunity Please note: This role does not offer sponsorship and candidates must already More ❯

to a high-feedback, asynchronous team culture Essential Criteria • 8–10+ years in software engineering, preferably in cloud-first or SaaS companies • Strong backend development experience with either: Golang , ideally with experience in Kubernetes-based systems • Proven experience in distributed systems and asynchronous architecture • Familiarity with scalable API development (REST/GraphQL) • Strong understanding of CI/CD and monitoring/logging best practices • Excellent collaboration and communication skills • Comfortable working in remote, distributed teams Bonus Points For • Experience with Snowflake, DBT, or Airflow • Background in FinOps, cloud cost tooling, or analytics products • Exposure to time More ❯

help support maturation of analytics practice within the organization. ??Write high quality python code using industry best practice for model training and deployment ??Continuous development of knowledge base and experience, including researching new techniques and technologies, communicating this back with the team Skills criteria ??Experience of data science, advanced … business insights and clearly articulate findings for target audience ??Exceptional written communications skills and effective presentation skills ??Willingness to learn best practice in software development ??Strong python programming skills ??Experience of TDD (pytest or other testing framework) Desirable skills ??Graduate or Postgraduate qualification or equivalent experience in a relevant … advantage but not required ??Experience of deployment in a cloud environment ??Experience with neural networks and Tensor Flow, CatBoost, XGBoost, SKlearn, Pandas ??Experience with API development ??SQL experience ??Software engineering experience ??DevOps/MLOps experience ??Good working understanding of CI/CD If you hold the experience and More ❯

of customer projects focused on system integrations and automation solutions. You’ll act as the subject matter expert in Power Platform, Power Automate and API integrations, and play a central role in shaping end-to-end solutions—from discovery and scoping through to delivery and support. You'll work … alongside Sales and Customer Success teams Promote innovation, continuous improvement, and technical excellence What You Bring 5+ years of hands-on experience in REST API development & design and Power Automate solutions Strong knowledge of Azure services (especially Power Platform, APIM, Event Grid ) Proven experience in s ystem integration More ❯