26 to 50 of 140 API Development Jobs in the UK excluding London

Join us at Barclays as an API Software Engineer. As an API Software Engineer, you will design, develop, and support secure, scalable API solutions that power Barclays' digital platforms. Working within Agile engineering teams, you'll help deliver innovative technology solutions while ensuring strong risk management, operational … oriented programming principles, design patterns, and software engineering best practices. Spring Boot - Hands-on experience building and maintaining microservices using Spring Boot, including RESTful API development, dependency injection, security implementation, and integration with cloud-native and distributed systems. Kafka - Strong knowledge of event-driven architecture and real-time ...

production-grade software. This role is ideal for someone who enjoys working at pace in secure, technically challenging environments, with opportunities to contribute across API development, cloud-native services and data integration. Typical responsibilities include: Developing software services using languages such as Java, JavaScript, TypeScript, Python or C++ … platforms, data services and streaming technologies Implement monitoring, logging and observability to support live service operation Support secure deployment and operation of applications across development, test and production environments Skills Required Experience working within the UK Security & Intelligence, defence or other secure government environments Strong knowledge of modern software ...

technical discussions. Collaborate with Product Management, DevOps, Quality Assurance, security specialists and other developers to manage dependencies and support iterative delivery. Apply secure development, data‐handling and responsible AI practices, including appropriate verification of AI‐assisted outputs and use of approved tools and accounts. Share knowledge with colleagues, contribute … practical improvements within the team’s scope. Degree in Computer Science, Software Engineering or a related discipline, or equivalent practical experience. Relevant professional software development experience delivering production code within a collaborative engineering environment. Practical development of web services, microservices or REST APIs using Python or a comparable ...

Annual incentive related bonus (£1000 maximum bonus opportunity for the performance year) Attractive pension scheme (up to 12% company contribution) Development opportunities in line with the Senior Software Developer/Integration Manager progression plan 25 days annual leave plus bank holidays plus 2 extra wellness days! Life assurance cover … impact across the business. Where you fit in: As our Senior Software Developer/Integration Manager you will: Input into the design and lead development of global APIs, and the associated integration whilst maintaining and supporting the IT Programme of work. Contribute to the software development standards ...

Location 1 Castle Court, Castlegate,Dudley, DY1 4RD,United Kingdom Job Category Software Development Employee Type FT Salaried Travel 5% Manage Others No Description We are seeking a Senior Software Engineer, Team Leader, to join our IMCS digital transformation team in Dudley (West Midlands). In this role … guidance and support of the work being completed. Acting as a main communication point with the Chief Technical Officer. Key Responsibilities Lead the design, development, and delivery of full-stack applications, owning technical direction from architecture through production deployment Drive technical decisions and trade-offs, communicating rationale clearly ...

will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively on Kafka, Kubernetes … handling, and backpressure management. Experience designing and developing cloud-native applications with a microservices architecture running on Docker/OpenShift/Kubernetes. Strong application development skills in Java, SQL (SQL Server, Oracle, etc.) and messaging platforms such as Kafka and MQ. Experience with the Spring framework and Spring Boot ...

Integration Suite developments across key business transformation programmes Designing and delivering robust integration solutions within a complex SAP environment Owning and driving Tarmac's API development and integration strategy Translating business requirements into scalable technical solutions Leading integration workshops and engaging with stakeholders across the business Managing … delivering both large-scale projects and smaller enhancement initiatives Ensuring best practice development standards and integration methodologies are followed What We're Looking For Essential Skills & Experience 3+ years' hands-on experience with SAP Integration Suite Strong experience with ABAP Proxies and RFC debugging Expertise configuring and supporting adapters ...

Liverpool | Hybrid Working | Competitive Salary We're looking for an experienced Lead Solutions Architect & Development Lead to join our senior IT team, reporting directly to the IT Director. This is a hands-on technical leadership role where you'll shape the firm's technology strategy while remaining actively involved … software development, architecture, database management and team leadership. You'll play a key role in designing scalable enterprise solutions for a 1,000-user organisation and work closely with senior stakeholders to deliver technology that drives the business forward. Key Responsibilities Lead the design of enterprise-wide software architecture ...

make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

technology solutions that support critical post-trade and asset servicing operations across global financial markets. You will play a key role in the design, development and enhancement of enterprise-grade applications used to manage complex asset servicing processes, corporate actions, income processing, custody operations and client reporting. Working within … reviews and provide technical mentorship to junior developers. Troubleshoot production issues and support platform stability, resilience and performance improvements. Drive continuous improvement in software development processes, automation and deployment practices. Ensure solutions adhere to security, regulatory and operational standards required within financial services. About You 5+ years' commercial software ...

energized by technical leadership, modern cloud technologies, and building products at scale, we'd love to hear from you. Responsibilities Lead the design and development of large-scale software solutions that support critical business capabilities Shape technical architecture and engineering standards across multiple products and teams Build modern, cloud … design principles Contribute across the full technology stack, from user interfaces to APIs and backend services Mentor engineers and provide technical guidance on complex development initiatives Drive best practices in software quality, performance, security, and maintainability Collaborate closely with Product, Engineering, and Architecture teams to translate business needs into ...

Software Engineers at every level within a team across our Manchester, Gloucester or London teams, so we will discuss the great opportunities for development or challenges we offer based off your professional profile. Due to the interesting work we do and the sector this team is working … within your team Desired Skills and Experience: Core Software Engineering across a variety of languages, e.g. JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. #J ...

make a difference solving the worlds most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

make a difference solving the worlds most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure ...

Data Engineer (Data Lake Platform) Data Engineer role within a fast-moving, cloud-first technology team AWS, TypeScript and Python focus with ETL, API design and React contributions Hybrid working, Belfast based Salary £40,000 to £45,000 UK work authorisation required About the Company Our client … platform that exposes a holistic view of raw, curated and standardised data. You will deliver ETL and ELT ingestion and egress patterns, contribute to API design and implementation, support React frontend development and collaborate on cloud engineering tasks in AWS. This role suits a versatile engineer ...

South Wales | £70,000 + Benefits An excellent opportunity for an experienced Software Engineer/Technical Lead looking to move away from hands-on development and into a broader software engineering lead/governance position. The role will take responsibility for establishing and governing software engineering standards across internally … improvement. Ensure solutions are secure, scalable, supportable and operationally ready before entering production. Provide technical leadership, design assurance and engineering oversight throughout the software development lifecycle. Review technical designs against non-functional requirements including availability, performance, security and supportability. Manage one internal developer and oversee external software development ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

make a difference solving the worlds most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

advancements in engineering practices, evaluating and recommending innovative solutions as appropriate.• Support the Platform Lead and identify solutions to engineering gaps/challenges.• Facilitate development of cross-functional capabilities to address common gaps/challenges.• Act as key point of contact for engineering decisions from a technical and risk … databases infrastructure capabilities work.• Expertise in infrastructure components, performance tuning, and capacity planning.• Understanding of, and hands on experience of, micro services, software development, infrastructure automation, api development and basic application system’s design.• Strong understanding experience on Site Reliability Engineering, DevOps Capabilities (CI/CD/ ...

remote) Contract Length: Until 27/11/2026 Your new company You will be joining a large-scale enterprise environment, supporting the development of automation solutions designed to streamline and enhance database operations.Your new role As a Python Developer, you will be responsible for building scalable automation solutions … resources, including Pods, Ingress, Services, Secrets and CRDs. Contribute to build, package, testing and deployment activities across CI/CD pipelines. Support secure software development practices within a highly regulated environment. What you'll need to succeed Essential skills and experience Strong Python development experience. Hands-on API ...

remote) Contract Length: Until 27/11/2026 Your new company You will be joining a large-scale enterprise environment, supporting the development of automation solutions designed to streamline and enhance database operations.Your new role As a Python Developer, you will be responsible for building scalable automation solutions … resources, including Pods, Ingress, Services, Secrets and CRDs. Contribute to build, package, testing and deployment activities across CI/CD pipelines. Support secure software development practices within a highly regulated environment. What you'll need to succeed Essential skills and experience Strong Python development experience. Hands-on API ...