13 of 13 Remote/Hybrid API Design Jobs in Northern Ireland

Remote Lead Java Developer/Solution Architect (15-week contract)

Hiring Organisation
Gravity9
Location
Belfast, UK
description gravity9 is seeking a Technical Lead/Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data distributed across multiple independent domains … integrates with separate data storage and encryption services provided by other technology partners. Duration 15 weeks Commitment Half-time for the first 4 weeks (design phase); full-time for the remaining 11 weeks (build and integration) Working model Mostly remote with periodic onsite attendance Security clearance BPSS (Baseline Personnel ...

Remote Lead Java Developer/Solution Architect (15-week contract)

Hiring Organisation
Gravity9
Location
Londonderry, Co. Londonderry, UK
description gravity9 is seeking a Technical Lead/Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data distributed across multiple independent domains … integrates with separate data storage and encryption services provided by other technology partners. Duration 15 weeks Commitment Half-time for the first 4 weeks (design phase); full-time for the remaining 11 weeks (build and integration) Working model Mostly remote with periodic onsite attendance Security clearance BPSS (Baseline Personnel ...

Remote Senior Java Engineer (Remote)

Hiring Organisation
The Investigo Group
Location
Lisburn, Co. Antrim, UK
company that provides our Data and AI capability. A collaborative partner for designing user-centred secure data solutions to overcome operational hurdles, delivered through design thinking and agile coaching. Diversity, Equity, and Inclusion (DEI) are at the heart of The Investigo Group (TIG). We're dedicated to creating … paced environments and know how to strike the balance between delivery speed and long-term maintainability. You’re someone who: Thinks deeply about software design and architecture. Can clearly articulate your thinking to both engineers and non-engineers. Enjoys mentoring, supporting teammates, and fostering a strong engineering culture. ...

Senior Backend Developer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
people who bring something new to the team, not just technical skills. What You'll Be Doing As a Senior Backend Developer, you will design, build, and optimise high-quality server-side applications and APIs that power complex digital experiences. Working closely with front-end engineers, DevOps specialists, cloud … building scalable APIs and microservices Hands-on experience with cloud platforms (AWS, Azure, or GCP), including serverless compute Solid understanding of authentication, authorisation, and API security best practices Strong problem-solving skills and familiarity with cloud-native development patterns Desirable Experience with headless e-commerce platforms such as commercetools ...

Remote Senior, Principal Technical Solution Owner AI & Data Platforms (Remotely from Europe or UK)

Hiring Organisation
Provectus
Location
Lisburn, Co. Antrim, UK
data migration initiatives. Lead technical product discovery – evaluating emerging technologies (GenAI, Agentic AI, vector databases, streaming architectures) and assessing fit for client use cases. Design solution architectures in collaboration with data architects and engineers, making build-vs-buy decisions and technology stack selections. Develop technical roadmaps balancing innovation, scalability … product lifecycle for GenAI applications leveraging LLMs, RAG architectures, Agentic frameworks, and multi-modal AI systems. Translate business requirements into technical specifications, API contracts, data schemas, and system integration patterns. Guide model selection, evaluation criteria, and deployment strategies for ML models in production environments. Champion MLOps practices including model ...

Frontend Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
passionate frontend engineering team The Role As a Frontend Engineer, you'll be responsible for: * Leading the development of frontend software components, from design to deployment and maintenance * Contributing to technological and architectural decisions, ensuring high-quality code and user experience * Advocating for product and user experience, ensuring aesthetic … architecture alignment * Designing and reviewing APIs in collaboration with other teams * Analyzing and improving the performance, scalability, and efficiency of system components * Conducting design and code reviews to maintain best practices About You You're a great fit if you have: * 3+ years of experience in frontend engineering using ...

Remote Staff Backend Software Engineer (Remote)

Hiring Organisation
Spoke
Location
Newtownabbey, Co. Antrim, UK
courier companies, retailers, and anyone who receives a delivery! If you’re an experienced Backend Staff Software Engineer who enjoys working closely with product, design, and engineering - and you like tackling complex backend architecture challenges - we think you’ll be right at home here. Work/life at Spoke … issues are easier to spot and quicker to resolve. You’ll take the lead across multiple backend components, whether that’s shaping system design, digging into complex production behaviour, or driving longer-term improvements to workflows, deployments, and platform performance. As the stack evolves, you’ll be part ...

Remote Staff Backend Software Engineer

Hiring Organisation
Saris Ai
Location
Londonderry, Co. Londonderry, UK
stage (ambiguous) environments. You’ve seen products through from v1 to scale, and you love designing clean systems that last. Your mission is to Design, develop, test, deploy, maintain, and enhance practical AI-powered software solutions for the fintech industry. Own project timelines by managing priorities and delivering high … cloud platforms (AWS/GCP) Strong experience with designing, building and scaling distributed systems Strong background in relational + non-relational databases (PostgreSQL, Redis) API design chops (REST, GraphQL), deployment know-how Bonus Points If You Have built complex workflow orchestration systems Know your way around cloud infra ...

Remote Senior Software Engineer - Python and Data Ecosystem

Hiring Organisation
Clickhouse
Location
Lisburn, Co. Antrim, UK
landscape. Your job is to make that potential real: building the robust, production-ready connectors that make ClickHouse the natural choice when data practitioners design their next-generation AI and data systems. What you'll do Own and evolve ClickHouse's Python connector and SDK ecosystem, raising … performance, reliability, and API design Build and maintain integrations with orchestration platforms (Airflow, Dagster, Prefect) and transformation tools (dbt) to enterprise-grade quality standards Drive the AI/LLM integration strategy: designing connectors and patterns that make ClickHouse a natural fit in RAG architectures, ML feature pipelines ...

Remote Sr Engineer - Product Team, Mobile Audio

Hiring Organisation
Xperi
Location
Armagh, Co. Armagh, UK
technologies on mobile, PC and consoles. The successful candidate will have the opportunity to work with an experienced and growing Scrum team, to design and build exciting new products and integrations. The role provides a unique opportunity for the right person to guide development efforts across audio platforms … creating something easy to use and work with You’re an excellent C# and C++ developer with a good eye for UI/UX design You’re able to collaborate with a team but also comfortable as an individual contributor You’re a problem solver and can quickly find ...

Backend Developer - Node.js TLNT1 NI

Hiring Organisation
Ocho
Location
Londonderry, Co. Londonderry, UK
experience Strong Node.js and TypeScript skills as your primary development tools Solid experience with WebSockets and for real-time communication Good grasp of REST API design: authentication, error handling, and versioning Comfortable with Redis for pub/sub, caching, and queuing SQL and relational database experience, with ...

Remote.Net Full Stack Developer (React) Remote UK Only

Hiring Organisation
Arden Resourcing Limited
Location
Armagh, Co. Armagh, UK
software and that they are actioned in line with the development processes Upgrade Existing Green field projects Technical Skills: .Net React Typescript PostgreSQL Web Api design Entity Framework Core Benefits Your work will have tangible real-world impact Modern Tech Stack: Develop software using the latest technologies ...

Remote Software Engineer

Hiring Organisation
Fastino.ai
Location
Armagh, Co. Armagh, UK
velocity high. What We’re Looking For: Required: 3+ years of hands-on software engineering experience, with a track record of owning features from design to deployment. Required: Strong Python skills; comfort in TypeScript is a plus but not required. Required: You thrive in ambiguity and can balance speed … playbook. Optional: Experience building or integrating with LLM-based systems or AI infrastructure. Optional: Familiarity with high-concurrency backend systems or low-latency API design. ...