401 to 425 of 503 Permanent API Development Jobs

IT Solutions Integration Engineer (12 month FTC)

Hiring Organisation
Uber Boat by Thames Clippers
Location
Slough, Berkshire, UK
Employment Type
Full-time
also manage implementation issues, ensure timely rectification, and lead testing activities to guarantee successful delivery. QUALIFICATIONS & EXPERIENCE Strong hands-on experience in system integration, API development, and database technologies. Proven track record in project engineering or technical delivery roles within IT environments. Ability to translate business requirements into … Helpful but not essential to have experience with customer data platforms, loyalty systems, or personalisation engines. Working knowledge of Microsoft Azure, M365, and modern API frameworks. Familiarity with data security standards and GDPR compliance. Desirable to have a degree-level qualification in IT or related discipline and project management ...

Java Pega Developer

Hiring Organisation
RED Global
Location
London Area, United Kingdom
architecture Hands-on experience with PEGA BPM and certifications such as CSA Certified System Architect or CSSA Certified Senior System Architect Expertise in REST API development JSONXML and integration patterns Solid understanding of OOPs concepts design patterns and secure coding practices Experience with SQL, NoSQL databases, PostgreSQL ...

Java Pega Developer

Hiring Organisation
RED Global
Location
Slough, Berkshire, UK
Employment Type
Full-time
architecture Hands-on experience with PEGA BPM and certifications such as CSA Certified System Architect or CSSA Certified Senior System Architect Expertise in REST API development JSONXML and integration patterns Solid understanding of OOPs concepts design patterns and secure coding practices Experience with SQL, NoSQL databases, PostgreSQL ...

Java Pega Developer

Hiring Organisation
RED Global
Location
City of London, London, United Kingdom
architecture Hands-on experience with PEGA BPM and certifications such as CSA Certified System Architect or CSSA Certified Senior System Architect Expertise in REST API development JSONXML and integration patterns Solid understanding of OOPs concepts design patterns and secure coding practices Experience with SQL, NoSQL databases, PostgreSQL ...

Backend Developer

Hiring Organisation
ABR Talent l Customer Success Recruitment for Start-up & Scale-up SaaS businesses
Location
London, UK
Employment Type
Full-time
great fit. What you'll be doing Building and maintaining backend services in C#, ASP.NET, .NET Working heavily with MS SQL and API development Contributing to new feature design, architecture discussions, and code reviews Helping shape a platform used by thousands of users Collaborating with a small, supportive ...

Javascript Developer

Hiring Organisation
MRJ Recruitment
Location
England, United Kingdom
Engineers to help shape what comes next. The Role You’ll build end-to-end features that genuinely matter, working across: Node.js, microservices, and API development React, GraphQL, and modern front-end patterns Postgres, scalable data workflows, and clean architecture principles You’ll collaborate tightly with product, design ...

Senior Software Engineer (Full-stack)

Hiring Organisation
Primis
Location
Slough, Berkshire, UK
Employment Type
Full-time
Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship support. Research ...

Senior Software Engineer (Full-stack)

Hiring Organisation
Primis
Location
City of London, London, United Kingdom
Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship support. Research ...

Senior Software Engineer (Full-stack)

Hiring Organisation
Primis
Location
London Area, United Kingdom
Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship support. Research ...

Java Full Stack Developer

Hiring Organisation
Apexon
Location
Birmingham, England, United Kingdom
About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built … dynamic and skilled Java Full Stack Developer to design, build, and deliver scalable, high-performance software solutions. The ideal candidate will have strong backend development experience with Java , hands-on frontend expertise using React , and practical knowledge of AWS and Apache Spark for cloud-based and data-driven applications. ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
Slough, Berkshire, UK
Employment Type
Full-time
Experience: 8+ years Job Summary: We are seeking a highly skilled and experienced Senior Data Engineer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. … strong understanding of data engineering principles, big data technologies, cloud computing (specifically Azure), and experience working with large datasets. Key Responsibilities: Data Pipeline Development & Optimisation: Design, develop, and maintain robust and scalable data pipelines for ingesting, transforming, and loading data from various sources (e.g., APIs, databases, financial data providers ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
London Area, United Kingdom
Experience: 8+ years Job Summary : We are seeking a highly skilled and experienced Senior Data Engineer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. … strong understanding of data engineering principles, big data technologies, cloud computing (specifically Azure), and experience working with large datasets. Key Responsibilities : Data Pipeline Development & Optimisation : Design, develop, and maintain robust and scalable data pipelines for ingesting, transforming, and loading data from various sources (e.g., APIs, databases, financial data providers ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
Experience: 8+ years Job Summary : We are seeking a highly skilled and experienced Senior Data Engineer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. … strong understanding of data engineering principles, big data technologies, cloud computing (specifically Azure), and experience working with large datasets. Key Responsibilities : Data Pipeline Development & Optimisation : Design, develop, and maintain robust and scalable data pipelines for ingesting, transforming, and loading data from various sources (e.g., APIs, databases, financial data providers ...

Lead IT Integration Manager

Hiring Organisation
Pro-Recruitment Group
Location
Birmingham, England, United Kingdom
capabilities, this role will deliver, maintain and ensure the availability of IT integration and infrastructure and will have overview of supplier resources, which provide development and management services. This role is hybrid working with 3-days per week onsite in Birmingham. Main Duties: Technical leadership and ownership for integration … platforms - ensuring they support reliable connectivity between enterprise applications and platforms Define and maintain integration strategy, architecture standards and patterns, ensuring consistency with API development, messaging and data movement Oversee the operation and improvement of integration services and middleware platforms (API gateways, enterprise service bus, data platforms ...

Lead IT Platform Manager

Hiring Organisation
Pro-Finance
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £77,000 per annum
capabilities, this role will deliver, maintain and ensure the availability of IT integration and infrastructure and will have overview of supplier resources, which provide development and management services. This role is hybrid working with 3-days per week onsite in Birmingham Main Duties: Technical leadership and ownership for integration … platforms - ensuring they support reliable connectivity between enterprise applications and platforms Define and maintain integration strategy, architecture standards and patterns, ensuring consistency with API development, messaging and data movement Oversee the operation and improvement of integration services and middleware platforms (API gateways, enterprise service bus, data platforms ...

Software Engineer - .Net

Hiring Organisation
Spectrum IT Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
across Multi-Tenant Architecture within a B2B environment. Technical Requirements C#/.NET/.NetCore 8 Angular Or Razor pages/Blazor AWS - essential API Development Entity Framework Additional & Beneficial Skills: Mentoring or leadership experience Experience working with off-shore teams Experience within Engineering/Automotive sectors Please ...

Software Engineer - .Net

Hiring Organisation
Spectrum IT Recruitment
Location
Reading, England, United Kingdom
across Multi-Tenant Architecture within a B2B environment. Technical Requirements C#/.NET/.NetCore 8 Angular Or Razor pages/Blazor AWS - essential API Development Entity Framework Additional & Beneficial Skills: Mentoring or leadership experience Experience working with off-shore teams Experience within Engineering/Automotive sectors Please ...

Software Developer (.Net)

Hiring Organisation
Spectrum IT Recruitment
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Benefits & Progression
Multi-Tenant Architecture within a B2B environment. Technical Requirements C#/.NET/.Net Core 8 Angular Or Razor pages/Blazor AWS - essential API Development Entity Framework Additional & Beneficial Skills: Mentoring or leadership experience Experience working with off-shore teams Experience within Engineering/Automotive sectors Please ...

Dotnet Developer

Hiring Organisation
Pozent
Location
Louisville, Kentucky, United States
Employment Type
Any
Salary
USD Annual
Candidates. Required Qualifications: Bachelor's Degree in Computer Science or related field 3-5 years of experience in systems analysis or application programming development 3-5 years of experience in .NET Core resources for API development Must be passionate about contributing to an organization focused on continuously ...

Lead Integration Engineer

Hiring Organisation
Crimson
Location
Birmingham, England, United Kingdom
Integration Engineer to join their Platforms & Operations function. The role focuses on managing IT integration platforms, ensuring their delivery, maintenance, and availability while overseeing development and management services from suppliers. Responsibilities include providing technical leadership, defining integration strategy and architecture, and maintaining standards for API development … delivery methodologies (waterfall, agile, lean) as they impact integration planning and execution. Awareness of security, governance, and data protection in systems integration, including secure API management. Expertise in connecting enterprise platforms (ERP, HCM, data platforms) for resilient, scalable integration. Oversaw operation and improvement of integration services and middleware, ensuring ...

Full Stack Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Poole, Dorset, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Benefits
life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. In addition to hands-on development, this role will … establish and follow best practices in software engineering, cloud security, and observability. Required Skills: Strong experience with .NET Core, C#, Entity Framework, and RESTful API development. Frontend expertise with React (TypeScript preferred). Hands-on experience with DevOps (pipelines, builds, releases). Understanding of site reliability engineering principles, including ...

API Developer

Hiring Organisation
Marks IT
Location
Charlotte, North Carolina, United States
Employment Type
Any
Salary
USD Annual
API Developer Charlotte, NC (3 Days Hybrid).C2C/W2Looking for strong API Gateway Platform Engineers with strong experience in Kong, AWS, Node and Python (all 4 required).5+ years of experience with Node.js (JavaScript/TypeScript) and PythonHands-on experience with Kong API Gateway and AWSExperience ...

Technical Lead

Hiring Organisation
Oscar Associates (UK) Limited
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection … architecture, coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering ...

Dot Net Full Stack Developer

Hiring Organisation
Accord Tecnologies.Inc
Location
Chicago, Illinois, United States
Employment Type
Any
Salary
USD Annual
depth knowledge of airline domain, we want you to be a part of our collaborative and forward-thinking team. Key Responsibilities: Back-End Development: Design, develop, and maintain complex software applications, ensuring high-quality, scalable, and efficient code. Ownership: Take ownership of projects, features, and tasks, from inception … user requirements. Code Review: Perform and participate in code reviews to maintain high-quality code, ensure best practices, and mentor junior team members. Agile Development: Contribute to an Agile development environment, including sprint planning, daily stand-ups, and retrospectives, to continuously improve development processes. Technical Documentation: Create ...

Data Engineer

Hiring Organisation
Futureheads Recruitment | B CorpTM
Location
Slough, Berkshire, UK
Employment Type
Full-time
with AWS (Lambda, S3, Glue) and orchestration tools (Airflow, Dagster, etc.). Familiarity with relational and vector databases (PostgreSQL, Pinecone, MySQL). Understanding of API development and event-driven architectures. A mindset that's curious, collaborative, and driven by innovation and automation. What ...