'API Design' Job Vacancies

151 to 175 of 456 API Design Jobs

Python Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Inara
practices. This role would suit someone who thrives in a collaborative environment, enjoys solving complex engineering challenges, and has experience working across the full software delivery lifecycle. Key Responsibilities Design, build, and maintain backend services and APIs using Python (Flask) Collaborate with cross-functional teams including cloud engineers and frontend developers Deploy and maintain applications on AWS or Azure … Solid grasp of version control (Git) and modern software delivery practices Desirable Experience in consulting or working with multiple client projects Familiarity with containerisation (Docker, Kubernetes) Understanding of modern API design and microservice architecture More ❯
Posted:

Python Engineer

London Area, United Kingdom
Hybrid / WFH Options
Inara
practices. This role would suit someone who thrives in a collaborative environment, enjoys solving complex engineering challenges, and has experience working across the full software delivery lifecycle. Key Responsibilities Design, build, and maintain backend services and APIs using Python (Flask) Collaborate with cross-functional teams including cloud engineers and frontend developers Deploy and maintain applications on AWS or Azure … Solid grasp of version control (Git) and modern software delivery practices Desirable Experience in consulting or working with multiple client projects Familiarity with containerisation (Docker, Kubernetes) Understanding of modern API design and microservice architecture More ❯
Posted:

Principal Software Engineer

South East, United Kingdom
Hybrid / WFH Options
easyJet
re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in order to enable … engineering excellence this role helps easyJet build the technical capabilities needed to deliver critical operational solutions faster, more securely and at lower cost JOB ACCOUNTABILITIES Lead and drive the design, architecture, and development of high-quality software systems f or airline-operations products. Collaborate with relevant product managers, QE leads and to understand technical direction, project scope, and roadmaps … for relevant mission. Design, develop, and maintain automated test frameworks and tools to ensure high-quality software releases and streamline the development process. Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer

Luton, England, United Kingdom
Hybrid / WFH Options
easyJet
re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in order to enable … engineering excellence this role helps easyJet build the technical capabilities needed to deliver critical operational solutions faster, more securely and at lower cost JOB ACCOUNTABILITIES Lead and drive the design, architecture, and development of high-quality software systems f or airline-operations products. Collaborate with relevant product managers, QE leads and to understand technical direction, project scope, and roadmaps … for relevant mission. Design, develop, and maintain automated test frameworks and tools to ensure high-quality software releases and streamline the development process. Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern More ❯
Posted:

Principal Software Engineer

bedford, east anglia, united kingdom
Hybrid / WFH Options
easyJet
re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in order to enable … engineering excellence this role helps easyJet build the technical capabilities needed to deliver critical operational solutions faster, more securely and at lower cost JOB ACCOUNTABILITIES Lead and drive the design, architecture, and development of high-quality software systems f or airline-operations products. Collaborate with relevant product managers, QE leads and to understand technical direction, project scope, and roadmaps … for relevant mission. Design, develop, and maintain automated test frameworks and tools to ensure high-quality software releases and streamline the development process. Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern More ❯
Posted:

Principal Software Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
easyJet
re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in order to enable … engineering excellence this role helps easyJet build the technical capabilities needed to deliver critical operational solutions faster, more securely and at lower cost JOB ACCOUNTABILITIES Lead and drive the design, architecture, and development of high-quality software systems f or airline-operations products. Collaborate with relevant product managers, QE leads and to understand technical direction, project scope, and roadmaps … for relevant mission. Design, develop, and maintain automated test frameworks and tools to ensure high-quality software releases and streamline the development process. Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern More ❯
Posted:

Principal Software Engineer

luton, bedfordshire, east anglia, united kingdom
Hybrid / WFH Options
easyJet
re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in order to enable … engineering excellence this role helps easyJet build the technical capabilities needed to deliver critical operational solutions faster, more securely and at lower cost JOB ACCOUNTABILITIES Lead and drive the design, architecture, and development of high-quality software systems f or airline-operations products. Collaborate with relevant product managers, QE leads and to understand technical direction, project scope, and roadmaps … for relevant mission. Design, develop, and maintain automated test frameworks and tools to ensure high-quality software releases and streamline the development process. Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern More ❯
Posted:

Full Stack Developer

Greater Bristol Area, United Kingdom
Cervus
with data scientists, product managers, and other engineers to build systems that enable insight, automation, and intelligent data-driven decision-making at scale. Your main responsibilities will be to: •Design, develop, and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. •Build scalable RESTful APIs and backend services using modern frameworks and … end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity with ETL processes, data warehousing and distributed systems. Not necessary for you apply, but would be great if you also have More ❯
Posted:

Full Stack Developer

newport, wales, united kingdom
Cervus
with data scientists, product managers, and other engineers to build systems that enable insight, automation, and intelligent data-driven decision-making at scale. Your main responsibilities will be to: •Design, develop, and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. •Build scalable RESTful APIs and backend services using modern frameworks and … end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity with ETL processes, data warehousing and distributed systems. Not necessary for you apply, but would be great if you also have More ❯
Posted:

Full Stack Developer

bath, south west england, united kingdom
Cervus
with data scientists, product managers, and other engineers to build systems that enable insight, automation, and intelligent data-driven decision-making at scale. Your main responsibilities will be to: •Design, develop, and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. •Build scalable RESTful APIs and backend services using modern frameworks and … end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity with ETL processes, data warehousing and distributed systems. Not necessary for you apply, but would be great if you also have More ❯
Posted:

Full Stack Developer

bradley stoke, south west england, united kingdom
Cervus
with data scientists, product managers, and other engineers to build systems that enable insight, automation, and intelligent data-driven decision-making at scale. Your main responsibilities will be to: •Design, develop, and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. •Build scalable RESTful APIs and backend services using modern frameworks and … end technologies (HTML/CSS, JavaScript, React or similar). •Experience working with containerised applications (e.g. Docker, Swarm or Kubernetes) in a Linux-based environment. •Solid understanding of RESTful API design, microservices architectures, and asynchronous workflows. •Familiarity with ETL processes, data warehousing and distributed systems. Not necessary for you apply, but would be great if you also have More ❯
Posted:

Principal Software Engineer - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and mobile domains. It's an opportunity to design, architect and build a modern frontend using latest technologies and best practices to transform our savings and investment platform. The UCX team consolidates the efforts of the whole organisation … scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable More ❯
Employment Type: Permanent, Work From Home
Salary: £10,000
Posted:

Software Engineering Manager - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and mobile domains. It's an opportunity to design, architect and build a modern frontend using latest technologies and best practices to transform our savings and investment platform. The UCX team consolidates the efforts of the whole organisation … scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Java Software Engineer

England, United Kingdom
Hybrid / WFH Options
BrightBox Group
until the problem is solved. You need to be outcomes driven and be able to proactively identify and solve these problems to achieve that outcome. Responsibilities Your responsibilities include: Design, develop, and deploy robust backend services using Java and Spring Boot Build scalable APIs Analyse schemas and write optimised SQL queries against large data sets Collaborate with DevOps on More ❯
Posted:

Senior Java Software Engineer

United Kingdom, UK
Hybrid / WFH Options
BrightBox Group
until the problem is solved. You need to be outcomes driven and be able to proactively identify and solve these problems to achieve that outcome. Responsibilities Your responsibilities include: Design, develop, and deploy robust backend services using Java and Spring Boot Build scalable APIs Analyse schemas and write optimised SQL queries against large data sets Collaborate with DevOps on More ❯
Employment Type: Full-time
Posted:

Laravel Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK. 💻 Hybrid | Flexible working policy with a collaborative office culture. 💰 Offer | £50,000 - £60,000 💎 Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Posted:

Laravel Developer

London Area, United Kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK. 💻 Hybrid | Flexible working policy with a collaborative office culture. 💰 Offer | £50,000 - £60,000 💎 Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Posted:

Laravel Developer

South East, United Kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). Impact Technology Transformation, Modernization, and Scalability. Size Medium-sized team, part of an exciting in-house engineering transformation. Skills PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. Location London, UK. Hybrid Flexible working policy with a collaborative office culture. Offer £50,000 - £60,000 Benefits Private medical, dental … part of a motivated and collaborative development team, you'll play a pivotal role in enhancing and modernising the company's tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You're an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Laravel Developer

london, south east england, united kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK. 💻 Hybrid | Flexible working policy with a collaborative office culture. 💰 Offer | £50,000 - £60,000 💎 Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Posted:

Laravel Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK. 💻 Hybrid | Flexible working policy with a collaborative office culture. 💰 Offer | £50,000 - £60,000 💎 Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Posted:

Laravel Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Ocean Red Partners
PHP Full-Stack Developer (Mid-Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK. 💻 Hybrid | Flexible working policy with a collaborative office culture. 💰 Offer | £50,000 - £60,000 💎 Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯
Posted:

Senior Software Engineer (Python)

Dublin, Ireland
Globoforce Inc
exciting challenges, using analytics and reporting to drive the impact of recognition and it's use in the businesses of our clients. You will have the autonomy to help design, build and deploy this product, which will serve our enterprise customer base. We operate in a highly collaborative environment, where multi-disciplined individuals come together to make things happen. … constraints we have. We succeed together, so your peers will always have your back. This is grown-up software engineering! Tech stack: Python, Flask, RESTful webservices, AWS, QuickSight, Terraform, API, Postgres, Redshift, Jenkins, Sonar, Git, Docker/Containerization, JS and React based frameworks, Typescript. This is a hybrid role requiring three days a week onsite in our Dublin office … opportunity to influence the technical strategy which is led by the Principal Engineer for the whole team. High-profile deliverables that involve a broad range of skills, including software design, development, testing and deployment to AWS Cloud infrastructure. An opportunity to break down large features and epics into smaller items to enable others in the squad to work more More ❯
Employment Type: Permanent
Salary: EUR 125,000 - 150,000 Annual
Posted:

Lead Mulesoft Developer

Cambridge, England, United Kingdom
Zensar Technologies
We are seeking a highly skilled and experienced Lead Mulesoft Developer to architect, design, and implement integration solutions using MuleSoft Anypoint Platform. The ideal candidate will have strong experience in Salesforce integration, SaaS platforms, and leading development teams in enterprise environments. Project Start Date : Dec'25/Jan'26 Key Responsibilities: Lead the design and development of integration … solutions using MuleSoft. Collaborate with cross-functional teams including Salesforce developers, architects, and business stakeholders. Develop APIs, orchestrations, and data transformations using MuleSoft Anypoint Studio. Ensure best practices in API design, security, and performance. Manage and mentor junior developers and provide technical guidance. Integrate various SaaS platforms and on-premise systems. Conduct code reviews, unit testing, and performance … documentation and support deployment processes. Required Skills: 8+ years of experience in integration development, with at least 5 years in MuleSoft. Strong hands-on experience with MuleSoft Anypoint Platform , API Manager , and Runtime Manager . Proven experience integrating Salesforce with other systems using MuleSoft. Deep understanding of RESTful APIs , SOAP , RAML , and JSON/XML . Experience with CI More ❯
Posted:

Lead Mulesoft Developer

South East, United Kingdom
Zensar Technologies
We are seeking a highly skilled and experienced Lead Mulesoft Developer to architect, design, and implement integration solutions using MuleSoft Anypoint Platform. The ideal candidate will have strong experience in Salesforce integration, SaaS platforms, and leading development teams in enterprise environments. Project Start Date : Dec'25/Jan'26 Key Responsibilities: Lead the design and development of integration … solutions using MuleSoft. Collaborate with cross-functional teams including Salesforce developers, architects, and business stakeholders. Develop APIs, orchestrations, and data transformations using MuleSoft Anypoint Studio. Ensure best practices in API design, security, and performance. Manage and mentor junior developers and provide technical guidance. Integrate various SaaS platforms and on-premise systems. Conduct code reviews, unit testing, and performance … documentation and support deployment processes. Required Skills: 8+ years of experience in integration development, with at least 5 years in MuleSoft. Strong hands-on experience with MuleSoft Anypoint Platform , API Manager , and Runtime Manager . Proven experience integrating Salesforce with other systems using MuleSoft. Deep understanding of RESTful APIs , SOAP , RAML , and JSON/XML . Experience with CI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Mulesoft Developer

cambridge, east anglia, united kingdom
Zensar Technologies
We are seeking a highly skilled and experienced Lead Mulesoft Developer to architect, design, and implement integration solutions using MuleSoft Anypoint Platform. The ideal candidate will have strong experience in Salesforce integration, SaaS platforms, and leading development teams in enterprise environments. Project Start Date : Dec'25/Jan'26 Key Responsibilities: Lead the design and development of integration … solutions using MuleSoft. Collaborate with cross-functional teams including Salesforce developers, architects, and business stakeholders. Develop APIs, orchestrations, and data transformations using MuleSoft Anypoint Studio. Ensure best practices in API design, security, and performance. Manage and mentor junior developers and provide technical guidance. Integrate various SaaS platforms and on-premise systems. Conduct code reviews, unit testing, and performance … documentation and support deployment processes. Required Skills: 8+ years of experience in integration development, with at least 5 years in MuleSoft. Strong hands-on experience with MuleSoft Anypoint Platform , API Manager , and Runtime Manager . Proven experience integrating Salesforce with other systems using MuleSoft. Deep understanding of RESTful APIs , SOAP , RAML , and JSON/XML . Experience with CI More ❯
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£100,000
90th Percentile
£132,500