426 to 435 of 435 Permanent API Design Jobs

Senior Full Stack Engineer- Banking Experience Required

Hiring Organisation
Vallum Associates
Location
Sheffield, England, United Kingdom
robust test scripts are included Focus on delivering highly available, highly resilient software and service capability Participate in a wider delivery team providing design and development of the new capabilities Support transformation of the current payment estate, with laser focus on modernization and adoption of cloud-based technology … designing, programming, documentation and implementation of the systems Perform reviews of new and existing systems to ensure operational integrity and accomplishment of stated objectives Design, code, test, debug and document programs as required Provide architecture guidance to developers based on best practices and in alignment with global standards Ensuring ...

Staff Software Engineer - Backend

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
large-scale software platform. Working across multiple teams to ensure alignment and scalability throughout the business. Set technical direction and contribute to key design decisions across teams. Lead by example, writing high-quality, maintainable code in Node.js and TypeScript. Design and optimise CI/CD pipelines, improving automation … robust services. Mentor and coach engineers, helping to raise the overall bar for backend development. Drive best practices in platform engineering, cloud infrastructure, and API design. Key requirements: 7+ years' experience in backend or platform engineering roles, with recent experience at senior/staff level. Deep hands-on expertise ...

Backend API & Integrations Developer

Hiring Organisation
Buchan and London Recruitment Ltd
Location
Basildon, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £85,000 per annum
Backend API & Integrations Developer Typical UK Salary: £55,000 – £85,000 per year Key Responsibilities: • Build and maintain backend APIs supporting all portal modules. • Integrate with telecom APIs, SIP platforms, and webhook systems. • Implement database schemas and optimise queries. • Develop the tender module, supplier marketplace backend, and contract summarisation … logic. • Maintain API gateway routing and service-to-service communication. • Work with DevOps on deployment and reliability. Required Skills: • Strong Node.js or Python backend development. • Experience with RESTful API design. • Database experience (PostgreSQL, MySQL, or MongoDB). • Experience integrating 3rd-party APIs. • Understanding of async workflows and queues. ...

Senior Java Software Engineer

Hiring Organisation
Q1 Technologies, Inc
Location
Southampton, UK
Employment Type
Full-time
IR35) Location: Farnborough, UK (hybrid – 3 days per week) About the Role We are seeking a highly skilled and experienced Senior Java Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in Core Java, Spring Framework, and Microservices architecture … Ansible. Required Skills & Qualifications Strong proficiency in Core Java, OOPs concepts, and Spring 11/17 Framework. Hands-on experience with Microservices and RESTful API design. Experience with AWS cloud services (EC2, Lambda, S3, RDS, etc.). Proficiency in Terraform or Ansible for infrastructure automation. Working knowledge of Angular ...

Senior Java Software Engineer

Hiring Organisation
Q1 Technologies, Inc
Location
Farnborough, England, United Kingdom
IR35) Location: Farnborough, UK (hybrid – 3 days per week) About the Role We are seeking a highly skilled and experienced Senior Java Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in Core Java , Spring Framework , and Microservices architecture … Required Skills & Qualifications Strong proficiency in Core Java , OOPs concepts , and Spring 11/17 Framework . Hands-on experience with Microservices and RESTful API design. Experience with AWS cloud services (EC2, Lambda, S3, RDS, etc.). Proficiency in Terraform or Ansible for infrastructure automation. Working knowledge of Angular ...

Full Stack Engineer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Handsworth, West Midlands, UK
Employment Type
Full-time
Sheffield, UK (Hybrid) Job Description:- Bachelor's Degree required in Computer Science, Engineering or related majors Minimum of 8 years' applied experience as an API engineer Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc. More than … programming in Java and ideally Go and Rust Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization Expertise in distributed system design including microservices, Springboot Experience working with Kafka, Docker, k8s, service mesh Experience with monitoring and observability technologies: Splunk, Grafana, Prometheus, Jaeger, Kiali, Open Telemetry ...

Full Stack Engineer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Sheffield, England, United Kingdom
Sheffield, UK (Hybrid) Job Description:- Bachelor’s Degree required in Computer Science, Engineering or related majors Minimum of 8 years’ applied experience as an API engineer Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc. More than … programming in Java and ideally Go and Rust Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization Expertise in distributed system design including microservices, Springboot Experience working with Kafka, Docker, k8s, service mesh Experience with monitoring and observability technologies: Splunk, Grafana, Prometheus, Jaeger, Kiali, Open Telemetry ...

Mulesoft Architect

Location
Telford, Shropshire, United Kingdom
MuleSoft Architect Key responsibilities: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering ...

Security Integrations Engineer - £80k base - Belfast

Hiring Organisation
Realtime Recruitment
Location
Lisburn, Co. Antrim, UK
Employment Type
Full-time
enterprise SaaS company that's redefining how global organisations secure and connect their devices. They're hiring for a Enterprise Integrations Engineer to help design, build and scale the integrations powering their enterprise ecosystem. This is a hands-on, highly cross-functional role that bridges engineering, product, and customer … success. You'll work on cutting edge API integrations, helping customers embed security , automation, and observability into their environments at scale. What you'll do: Design and develop integrations with enterprise systems - MDMS, SIEMs, SOAR. Build and maintain APIs, SDKs, and automation frameworks. Collaborate with enterprise customers. Ensure ...

Security Integrations Engineer - £80k base - Belfast

Hiring Organisation
Realtime Recruitment
Location
Belfast Metropolitan Area, United Kingdom
enterprise SaaS company that's redefining how global organisations secure and connect their devices. They're hiring for a Enterprise Integrations Engineer to help design, build and scale the integrations powering their enterprise ecosystem. This is a hands-on, highly cross-functional role that bridges engineering, product, and customer … success. You'll work on cutting edge API integrations, helping customers embed security , automation, and observability into their environments at scale. What you'll do: Design and develop integrations with enterprise systems - MDMS, SIEMs, SOAR. Build and maintain APIs, SDKs, and automation frameworks. Collaborate with enterprise customers. Ensure ...