API Development Jobs in the UK

451 to 475 of 861 API Development Jobs in the UK

Senior Software Engineer

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
Ocho
with a strong background in .NET Core and cloud-native systems. This role offers the opportunity to work within a high-performing agile team, contributing to the full software development lifecycle. You’ll help design and build distributed systems and APIs, while mentoring others and promoting best practices in engineering delivery. Key Responsibilities: Design, build and maintain robust, scalable … a culture of continuous improvement, introducing new tools, practices, or technologies Mentor junior engineers and help shape technical decision-making within the team Essential Skills & Experience: Expert-level C# development with experience in .NET Core and .NET Framework Experience designing and building distributed, event-driven systems Strong API development skills (REST and/or GraphQL) Proficient in More ❯
Posted:

Backend Developer

London, England, United Kingdom
AWTG Ltd
updates to the WordPress core and plugins. Defining the tasks and main goals of new projects. Developing architectural solutions for the project and writing efficient, scalable code. Managing the development team and ensuring project milestones are met. Contributing to the achievement of overall team goals. Requirements: Strong knowledge of WordPress back-end and front-end architecture and their interaction. … knowledge of Git. Understanding of Agile (Scrum, Kanban) methodology. Preferred Skills: Familiarity with GCP tools and services such as Cloud Functions, App Engine, and Cloud Storage. Experience with RESTful API development and integration. Knowledge of Docker and container orchestration tools. Ability to optimize application performance and scalability on cloud platforms. Excellent problem-solving skills and attention to detail. … year, depending on your skillsets Work schedule: Monday – Friday Location: Onsite/AWTG office: 8 Canham Mews, Canham Rd, London W3 7SR If you are passionate about back-end development and eager to contribute to innovative projects, we encourage you to apply for this exciting opportunity. Job Category: Software Development Job Location: London Apply for this position Full More ❯
Posted:

Solutions Architect - Remote - Data, Integration, & Digital Architecture

Reading, England, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
Solution Architecture experience with Data, Integration & Digital aspects: Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization Engines … Accessibility & Performance. Relevant industry or commercial knowledge , ideally working for an Internet Service Provider (ISP), or, Fibre, Broadband, Energy, Utilities, Finance, or E-commerce Retail provider. Experience with Agile development methodologies. Experience with CRM systems. Experience with cloud-based billing solutions and microservices architecture. If you’re a Solution Architect with relevant experience with Information Systems, Billing Systems and … Consulting Referrals increase your chances of interviewing at Areti Group | B Corp by 2x Sign in to set job alerts for “Solutions Architect” roles. Solutions Architect - Azure Cloud and API Development - to £80k - ID40751 Reading, England, United Kingdom 2 days ago Reading, England, United Kingdom 3 days ago Reading, England, United Kingdom 2 days ago Reading, England, United More ❯
Posted:

Cyber security Analyst

London, England, United Kingdom
Axiom Software Solutions Limited
integrations. - Analyze client requirements and propose customized IAM solutions. - Evaluate, design, and develop IAM technical requirements within the ForgeRock suite. - Collaborate with cross-functional teams to support IAM roadmap development and execution. - Work on external identity management, including B2B and B2C solutions. - Troubleshoot issues, perform root cause analysis, and provide timely resolutions. - Knowledge of Cloud Authentication Services and Cloud … environments (AWS, Azure). - Familiarity with CI/CD pipelines and DevOps methodologies is a plus. - Ensure compliance with security policies, best practices, and governance standards. - Provide hands-on development and support while managing multiple tasks effectively. Required Skills & Qualifications: - 8+ years of relevant experience in IAM and SSO integration. - Strong expertise in ForgeRock Access Management (AM) and other … ForgeRock components. - Hands-on experience with LDAP technologies (Active Directory, Directory Services, etc.). - Proficiency in SSO, OAuth 2.0, OpenID Connect, and SAML authentication mechanisms. - Strong background in REST API development and integration. - Ability to design IAM solutions, customize existing infrastructure, and propose improvements. - Experience working in a collaborative team environment. - Knowledge of CI/CD pipelines, DevOps More ❯
Posted:

Application Integration Specialist

Southampton, Hampshire, United Kingdom
Hybrid / WFH Options
gen2fund.com
equivalent higher education) in Information Technology, Data Engineering, or a related field; Proven experience working with enterprise accounting software and/or private equity/investment management software integrations. API Integration experience with MuleSoft and/or API Development experience. Experience in system configuration, customization, and integration of financial applications. Investran or similar platform certifications beneficial. Good … working knowledge of Accounting Platform database structures and data models. Proficiency in SQL and data query languages to extract and manipulate data. Experience beneficial in Object Oriented language development, including integrations with SOAP and REST based APIs. Familiarity with reporting and analytics tools, Qlik, Microsoft Excel, Power BI, Synapse, Snowflake or similar. Self-motivated, proactive, with a strong sense More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Kotlin Developer

London Area, United Kingdom
Capgemini
value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end-to-end and collaborating with cross-functional teams to … to deployment. Define technical solutions aligned with business objectives and ensure scalability, security, and maintainability. Create robust, efficient, and scalable APIs for frontend integration. Promote best practices in RESTful API design, documentation, and implementation. Work closely with technical and product stakeholders to clarify requirements and align on deliverables. Translate business needs into technical solutions and maintain clear communication across … teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin and Spring Boot with hands-on More ❯
Posted:

Kotlin Developer

City of London, London, United Kingdom
Capgemini
value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end-to-end and collaborating with cross-functional teams to … to deployment. Define technical solutions aligned with business objectives and ensure scalability, security, and maintainability. Create robust, efficient, and scalable APIs for frontend integration. Promote best practices in RESTful API design, documentation, and implementation. Work closely with technical and product stakeholders to clarify requirements and align on deliverables. Translate business needs into technical solutions and maintain clear communication across … teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin and Spring Boot with hands-on More ❯
Posted:

Principal Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
commercial operations. The team is closely aligned with front-office operations and collaborates directly with trading desks, global research teams, and enterprise technology. What you'll do: Lead the development of core frameworks and services for a cutting-edge data and analytics platform on AWS. Architect and engineer new solutions to enhance the platform’s core capabilities, ensuring scalable … engineers, data scientists, and other software engineers to drive cross-functional projects. Requirements: Strong background in software engineering, with expertise in Python, Java, Go, or Rust. Extensive experience in API design and development, as well as client SDKs. Knowledgeable in enterprise architecture, including event-driven and serverless frameworks. Significant experience with cloud technologies, especially AWS, as well as More ❯
Posted:

Kotlin Developer

Slough, England, United Kingdom
JR United Kingdom
value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end-to-end and collaborating with cross-functional teams to … to deployment. Define technical solutions aligned with business objectives and ensure scalability, security, and maintainability. Create robust, efficient, and scalable APIs for frontend integration. Promote best practices in RESTful API design, documentation, and implementation. Work closely with technical and product stakeholders to clarify requirements and align on deliverables. Translate business needs into technical solutions and maintain clear communication across … teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin and Spring Boot with hands-on More ❯
Posted:

Lead Quantitative Python Developer - Asset Management

London, England, United Kingdom
Hybrid / WFH Options
Talensa Partners
into technical financial solutions, ensuring the successful delivery of Python-based Financial modelling projects to optimise asset management systems. The individual will be responsible for defining and shaping Python development practices and setting the foundation for future Python development at the organisation. - Establish and enforce coding standards and best practices for Python development. Implement strategies that ensure code … Develop and create frameworks for Python Notebooks, APIs, and client applications, adhering to best practices in coding, security, and scalability. This includes designing reusable libraries and tools for efficient development processes. - Actively contribute to knowledge sharing, providing guidance to other developers on Python-related topics. Develop training resources and documentation to support other teams or future developers in adopting … Python practices. - Define and implement code review processes and quality assurance mechanisms that ensure high standards of development, including version control, automated testing, and peer reviews. - Stay up to date with emerging trends in AI and explore how Python can be leveraged to support AI use cases within the organisation. - Design and implement DevOps practices tailored for Python development More ❯
Posted:

Senior Software Engineer

Swindon, England, United Kingdom
Hybrid / WFH Options
Edenred France
for developing and mentoring our junior talent within our various project teams and continue to ensure all software meets our quality benchmarks. What you will be doing: Design and development of features and platform enhancements in adherence to Edenred development standards and best practice Ensure good maintenance through documentation, knowledge sharing, and reducing complexity Ensuring that agreed development … engineers and take the technical lead on projects What we want from you: Solid commercial experience with Java 11, and above SQL Spring boot, Hibernate Micro-service and RESTful API development TDD and BDD OO analysis and design DevOps culture and practices Beneficial Experience AWS Services Junit XML/JSON System architecture and Design Patterns Unix & shell scripting More ❯
Posted:

Technical Lead (OOP) - £82000 - ID40090

Trowbridge, England, United Kingdom
Humand Talent
autonomy and clean architecture are valued. The role combines hands-on technical contribution with the opportunity to shape processes and practices. You will: Work on a Greenfield project Lead development efforts using C#, Ruby on Rails and PHP (Symfony), with a strong focus on object-oriented programming Guide backend infrastructure work using AWS, Terraform and Helm Mentor three direct … reports and foster technical growth across your team Contribute to API development, architectural discussions and containerisation efforts (Kubernetes) Collaborate with Product Managers and other Tech Leads to align engineering efforts with business goals About you You are likely an experienced backend developer with a history of working across multiple technologies and leading high-performing teams. You will bring … Proven experience in object-oriented development, ideally with Ruby, C# or PHP (or other OO languages such as Java) A strong understanding of cloud infrastructure, especially within AWS environments Familiarity with infrastructure as code tools such as Terraform or Helm Confidence in mentoring and developing others, with a people-first approach to leadership A keen eye for clean code More ❯
Posted:

Technical Lead (OOP) - £82000 - ID40090

Bridport, England, United Kingdom
Humand Talent
autonomy and clean architecture are valued. The role combines hands-on technical contribution with the opportunity to shape processes and practices. You will: Work on a Greenfield project Lead development efforts using C#, Ruby on Rails and PHP (Symfony), with a strong focus on object-oriented programming Guide backend infrastructure work using AWS, Terraform and Helm Mentor three direct … reports and foster technical growth across your team Contribute to API development, architectural discussions and containerisation efforts (Kubernetes) Collaborate with Product Managers and other Tech Leads to align engineering efforts with business goals About you You are likely an experienced backend developer with a history of working across multiple technologies and leading high-performing teams. You will bring … Proven experience in object-oriented development, ideally with Ruby, C# or PHP (or other OO languages such as Java) A strong understanding of cloud infrastructure, especially within AWS environments Familiarity with infrastructure as code tools such as Terraform or Helm Confidence in mentoring and developing others, with a people-first approach to leadership A keen eye for clean code More ❯
Posted:

Software Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
ADLIB Recruitment
users to use social media or stream their favourite films and series on Netflix. What skills youll be needing C# .Net, Entity Framework, SQL/NoSQL databases, Cloud. REST API development using C# and ASP .Net Core. Computer Science fundamentals in data structures, algorithm design and complexity analysis. Experience developing, deploying and maintaining APIs onto AWS or Azure. … tests to system and integration tests. Willingness to develop across multiple platforms and architectures. Genuinely passionate about changing lives with assistive technology. What youll be doing Joining a growing development team, you will get involved in the full product lifecycle: understanding customer and business needs, idea generation, planning, designing and developing solutions and supporting features after theyve launched. The … insurance. Theres 25 days holiday plus BHs, flexible hours and hybrid working minimum 2 days a week to be spent in their Bristol office. They support continual learning and development to help you to reach your professional goals and as the development team continues to grow there will be opportunities to coach/mentor others if that appeals. More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Staff Backend Engineer

United Kingdom
Hybrid / WFH Options
Uneek Global
into engineering leadership or continue developing your technical expertise with a focus on architecture, the role offers a clear path in both directions. Key Responsibilities: Lead the design and development of scalable, high-performance backend systems. Establish and enforce best practices for backend development and system architecture. Provide solutions to complex technical challenges and continuously improve the product … background in multithreaded backend languages (Kotlin, Java, Go, Rust, etc.). Experience working in the HealthTech space Strong experience with PostgreSQL or similar relational databases. Proficient in system design, API development, and microservices architecture. Hands-on experience with cloud platforms (AWS, GCP), containerisation (Docker), and orchestration (Kubernetes). Experience in start-up environments is a plus, as the More ❯
Posted:

Software Engineering Lead (Golang)

London, England, United Kingdom
Different Technologies Pty Ltd
Reporting to the Head of Integrations, the Software Engineering Lead will be responsible for leading the development of the User interfaces, APIs, associated micro-services and any/all related application code through a full, methodical and robust software development life-cycle. The responsibilities include: Software Development: Web-based user interfaces, REST and GQL APIs, associated micro … of the skills of others within the team to utilize knowledge Team Leadership & Management: Build and lead a high performing team of software engineers. Provide guidance, mentorship and professional development opportunities to team members. Provide Technical Leadership. Perform 1:1 with direct reports. Conduct professional performance evaluations at the cadence of company policy. Research and evaluate emerging developments and … best practise within the development space, including: Continuously improving your skill-set in technology, software or technical methods that will enhance your contributions to the goals and objectives of the business. Evaluating and suggesting ways to improve team and business productivity using new tooling, process improvements and/or new methods of working. Undertake ad-hoc activities and projects More ❯
Posted:

Data Scientist 6 Month Contract Inside IR35 £450 p/d

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Method Resourcing
updated on new techniques and share insights with the team. Must-Haves Proven experience in data science or advanced analytics. Strong Python programming skills and experience with Test-Driven Development (e.g., pytest). Familiarity with version control and IT delivery tools. Ability to apply machine learning to solve business problems. Experience building predictive/prescriptive models for actionable insights. … postgraduate degree in engineering, mathematics, physics, or statistics. Experience in financial services, insurance, or e-commerce. Familiarity with cloud-based deployment, neural networks, TensorFlow, CatBoost, XGBoost, SKlearn, Pandas, SQL, API development, or CI/CD pipelines. Background in software engineering or DevOps/MLOps. RSG Plc is acting as an Employment Business in relation to this vacancy. More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

Data Scientist 6 Month Contract Inside IR35 £450 p/d

York, North Yorkshire, England, United Kingdom
Hybrid / WFH Options
Method Resourcing
updated on new techniques and share insights with the team. Must-Haves Proven experience in data science or advanced analytics. Strong Python programming skills and experience with Test-Driven Development (e.g., pytest). Familiarity with version control and IT delivery tools. Ability to apply machine learning to solve business problems. Experience building predictive/prescriptive models for actionable insights. … postgraduate degree in engineering, mathematics, physics, or statistics. Experience in financial services, insurance, or e-commerce. Familiarity with cloud-based deployment, neural networks, TensorFlow, CatBoost, XGBoost, SKlearn, Pandas, SQL, API development, or CI/CD pipelines. Background in software engineering or DevOps/MLOps. RSG Plc is acting as an Employment Business in relation to this vacancy. More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

Senior Software Engineer

Swindon, England, United Kingdom
Hybrid / WFH Options
Edenred
for developing and mentoring our junior talent within our various project teams and continue to ensure all software meets our quality benchmarks. What you will be doing: Design and development of features and platform enhancements in adherence to Edenred development standards and best practice Ensure good maintenance through documentation, knowledge sharing, and reducing complexity Ensuring that agreed development … engineers and take the technical lead on projects What we want from you: Solid commercial experience with Java 11, and above SQL Spring boot, Hibernate Micro-service and RESTful API development TDD and BDD OO analysis and design DevOps culture and practices Beneficial Experience AWS Services Junit XML/JSON System architecture and Design Patterns Unix & shell scripting More ❯
Posted:

Customer Support Engineer

London, England, United Kingdom
Kaedim
salary ranges for other locations, based on 0-5 years of experience: London: £30k – £65k Singapore: S$55k – S$120k This position requires a technical candidate, with a strong development, consulting, and support background with proven customer-facing & relationship management skills. For working with us you: Must be eager to be involved with both AI and product development. Must … storage and retrieval. Conduct unit testing and end-to-end testing using Cypress and Jest to ensure application stability and reliability. Understand and incorporate customer feedback into design and development decisions, ensuring a high level of customer satisfaction. Communicate complex ideas and technical concepts clearly and concisely to cross-functional teams and stakeholders. Work independently to manage projects, meet … Experience with customer support. Experience with at least one of the following: NodeJS, Express, Python, backend or frontend development. Knowledge of MySQL and database design. Preferred experience in REST API design and development using modern web development frameworks. Debugging skills and the ability to troubleshoot complex issues across the tech stack. Excellent collaboration and communication skills, including More ❯
Posted:

Data Engineer

London, England, United Kingdom
Hybrid / WFH Options
Mirai Talent
Build and support ETL workflows using tools like Azure Data Factory, Synapse, Delta Live Tables, dbt, SSIS, etc. Automate infrastructure deployment with Terraform, ARM, or Bicep. Collaborate on report development and visualisation with Power BI. Manage version control and deployment pipelines using Git, Azure DevOps, or GitHub. Use scripting (PowerShell/Bash) for automation tasks. Contribute to the development … Proficient in version control and CI/CD practices. Capable of scripting automation with PowerShell or Bash. Knowledge of DevOps, MLOps, and LLMOps is desirable. Experienced in application and API development is an advantage. What They Are Looking For: A pragmatic problem solver who balances technical solutions with business requirements. Confident in owning full data pipelines from ingestion More ❯
Posted:

Java Developer

Knutsford, Cheshire, United Kingdom
Hybrid / WFH Options
Adecco
Java Developers to partner with a financial services-based organisation to deliver cutting-edge solutions that drive real business value. The successful Java Developer who's passionate about backend development and building scalable, secure systems. If you thrive on solving complex problems and working in collaborative, agile environments - we'd love to hear from you. What You'll Be … high-performing. What We're Looking For: Strong experience in Java (v8 or above). Proven expertise with Spring Boot and the wider Spring Framework. Solid understanding of RESTful API design and development. Experience with microservices architecture. Proficiency in SQL and working with relational databases. More ❯
Employment Type: Permanent
Salary: £55000 - £60000/annum + perm benefits
Posted:

Java Developer x4 - Knutsford - hybrid working

Knutsford, Cheshire, United Kingdom
Hybrid / WFH Options
Adecco
Developers to partner with a financial services-based organisation to deliver cutting-edge solutions that drive real business value. The successful Java Developer who's passionate about Back End development and building scalable, secure systems. If you thrive on solving complex problems and working in collaborative, agile environments - we'd love to hear from you. What You'll Be … high-performing. What We're Looking For: Strong experience in Java (v8 or above). Proven expertise with Spring Boot and the wider Spring Framework. Solid understanding of RESTful API design and development. Experience with microservices architecture. Proficiency in SQL and working with relational databases. More ❯
Employment Type: Permanent
Salary: £55000 - £60000/annum + Benefits
Posted:

Software Architect

York, England, United Kingdom
JR United Kingdom
Java, Power Platform) Proficiency in CI/CD tools (Azure DevOps, GitHub, GitLab, etc.) Hands-on with Infrastructure as Code (Terraform, Bicep, ARM) Understanding of DevOps/SRE principles, API development, and SDLC best practices #J-18808-Ljbffr More ❯
Posted:

Software Architect

Norwich, England, United Kingdom
JR United Kingdom
Java, Power Platform) Proficiency in CI/CD tools (Azure DevOps, GitHub, GitLab, etc.) Hands-on with Infrastructure as Code (Terraform, Bicep, ARM) Understanding of DevOps/SRE principles, API development, and SDLC best practices #J-18808-Ljbffr More ❯
Posted:
API Development
10th Percentile
£43,875
25th Percentile
£51,250
Median
£70,000
75th Percentile
£87,500
90th Percentile
£105,625