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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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Solid understanding of secure coding practices and API design.
Solid understanding of secure coding practices and API design.
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Build and manage automated testing frameworks for web, mobile, API, and performance testing * You will have demonstrated experience building automated test frameworks for web and API testing.
Build and manage automated testing frameworks for web, mobile, API, and performance testing * You will have demonstrated experience building automated test frameworks for web and API testing.
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Senior Backend Developers ( Serverless/Python)
Senior Backend Developers ( Serverless/Python)
Ocho
Belfast, County Antrim
£100,000 - £120,000 per annum
Contribute to API development (REST/GraphQL) and data integration pipelines * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Familiarity with GraphQL APIs and scalable API design
Contribute to API development (REST/GraphQL) and data integration pipelines * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Familiarity with GraphQL APIs and scalable API design
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.
Senior Back-End Software Engineer?? Location: Belfast (Hybrid Working)?? Job Type: Full-Time, Permanent?? Sector: Technology - Financial Services?? Recruiter: VANRATH (advertising on behalf of a global client)?? Salary: Excellent salary + bonus + comprehensive benefits package - The Opportunity - VANRATH are delighted to be partnering with a global organisation to recruit a Senior Back-End Software Engineer for a key role within their Belfast-based engineering team. This is a fantastic opportunity to join a company at the forefront of financial technology, contributing to the development of cutting-edge, cloud-native platforms that support global trading and data services. You'll be part of a collaborative, Agile team responsible for delivering business-critical systems with a focus on scalability, performance, and continuous improvement. The Role
Senior Back-End Software Engineer?? Location: Belfast (Hybrid Working)?? Job Type: Full-Time, Permanent?? Sector: Technology - Financial Services?? Recruiter: VANRATH (advertising on behalf of a global client)?? Salary: Excellent salary + bonus + comprehensive benefits package - The Opportunity - VANRATH are delighted to be partnering with a global organisation to recruit a Senior Back-End Software Engineer for a key role within their Belfast-based engineering team. This is a fantastic opportunity to join a company at the forefront of financial technology, contributing to the development of cutting-edge, cloud-native platforms that support global trading and data services. You'll be part of a collaborative, Agile team responsible for delivering business-critical systems with a focus on scalability, performance, and continuous improvement. The Role
MCS Group has an exciting opportunity to join a fast-growing tech start-up which is entering its scale-up phase. With strong investment and a product gaining real traction in industry, they are expanding the team and looking for a Senior Full Stack Engineer to join their mission-driven tech team. You'll work on complex technical problems, build scalable systems, and help shape the technical direction of an exciting product used by global teams. * Build and maintain high-quality features across backend and frontend systems. * Collaborate closely with engineers, product managers, and designers in an agile environment. * Own problems end-to-end and contribute to architectural discussions. * Embrace innovation - including AI - to find creative solutions to real-world challenges. * Experience building and shipping full-stack applications.
MCS Group has an exciting opportunity to join a fast-growing tech start-up which is entering its scale-up phase. With strong investment and a product gaining real traction in industry, they are expanding the team and looking for a Senior Full Stack Engineer to join their mission-driven tech team. You'll work on complex technical problems, build scalable systems, and help shape the technical direction of an exciting product used by global teams. * Build and maintain high-quality features across backend and frontend systems. * Collaborate closely with engineers, product managers, and designers in an agile environment. * Own problems end-to-end and contribute to architectural discussions. * Embrace innovation - including AI - to find creative solutions to real-world challenges. * Experience building and shipping full-stack applications.
Job Title: Senior Frontend Engineer - Location: Belfast (Hybrid - 3 days per week in office) Salary: Up to £65,000 - Type: Full-time, Permanent - We're partnered with a global financial technology firm that is expanding its engineering presence in Belfast. They're looking for a Senior Frontend Engineer to join their growing team, helping design and build the next generation of data and trading platforms used by clients and internal users across international markets. You'll work as part of a cross-functional Agile team, collaborating with designers, product managers, and backend engineers to deliver performant, scalable, and elegant web applications. * Build high-quality, maintainable frontend applications using modern frameworks (React, TypeScript) * Collaborate with UI/UX designers and product owners to deliver responsive, user-friendly interfaces
Job Title: Senior Frontend Engineer - Location: Belfast (Hybrid - 3 days per week in office) Salary: Up to £65,000 - Type: Full-time, Permanent - We're partnered with a global financial technology firm that is expanding its engineering presence in Belfast. They're looking for a Senior Frontend Engineer to join their growing team, helping design and build the next generation of data and trading platforms used by clients and internal users across international markets. You'll work as part of a cross-functional Agile team, collaborating with designers, product managers, and backend engineers to deliver performant, scalable, and elegant web applications. * Build high-quality, maintainable frontend applications using modern frameworks (React, TypeScript) * Collaborate with UI/UX designers and product owners to deliver responsive, user-friendly interfaces
Salary: £60 - 80k depending on experience - Type: Full-time, Permanent - The Opportunity - We're working with a fast-moving engineering team that builds complex systems and needs clear, precise documentation to match. They're looking for a skilled Technical Writer who can turn technical detail into clean, readable documentation for both internal and external users. You'll work alongside developers, product managers and designers to build out documentation libraries, user guides, internal wikis, and product release notes. This is a hands-on writing role - you'll be expected to understand how the tech works and explain it simply and accurately. What You'll Do * Own the end-to-end process of creating and maintaining technical documentation * Work with engineers to explain APIs, architecture, and system behaviour * Write user guides, developer documentation, onboarding ma
Salary: £60 - 80k depending on experience - Type: Full-time, Permanent - The Opportunity - We're working with a fast-moving engineering team that builds complex systems and needs clear, precise documentation to match. They're looking for a skilled Technical Writer who can turn technical detail into clean, readable documentation for both internal and external users. You'll work alongside developers, product managers and designers to build out documentation libraries, user guides, internal wikis, and product release notes. This is a hands-on writing role - you'll be expected to understand how the tech works and explain it simply and accurately. What You'll Do * Own the end-to-end process of creating and maintaining technical documentation * Work with engineers to explain APIs, architecture, and system behaviour * Write user guides, developer documentation, onboarding ma
Actively participate in development projects, constructing, REST services API, and container-based services. *Proficient in Web Services/API Development using SOAP or REST, JSON and *Strong technical competency and experience with API testing, Java
Actively participate in development projects, constructing, REST services API, and container-based services. *Proficient in Web Services/API Development using SOAP or REST, JSON and *Strong technical competency and experience with API testing, Java
Collaborate with teams using Scala-based services and maintain API integrations for model serving. * Cross-functional API development and integration with existing services.
Collaborate with teams using Scala-based services and maintain API integrations for model serving. * Cross-functional API development and integration with existing services.
Full-time - Job Family Group: Technology and Operations - Company Description - Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhere by being the best way to pay and be paid. Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa. Job Description - Visa's Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.
Full-time - Job Family Group: Technology and Operations - Company Description - Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhere by being the best way to pay and be paid. Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa. Job Description - Visa's Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.
Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3300+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW - Were a core values driven company, we hire people who share our values, and we reward those who display and foster them, its deeply embedded with
Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3300+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW - Were a core values driven company, we hire people who share our values, and we reward those who display and foster them, its deeply embedded with
Experience in Java technologies, API (SOAP & REST), and web development; background in Payment Gateway, Card Payments, or Financial Services (e.g., merchant/partner portals, billing & reporting) is a plus.
Experience in Java technologies, API (SOAP & REST), and web development; background in Payment Gateway, Card Payments, or Financial Services (e.g., merchant/partner portals, billing & reporting) is a plus.
Experience with Restful API development
Experience with Restful API development