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67 API jobs in Buckinghamshire + 10 miles

Android Developer

Alfen Technology Ltd
RG6, Reading
Up to £450 per day
Job Title: Android Developer API & Parser Integration (Contract) However, they're now embarking on an ambitious new journey: decoupling the front-end and establishing an API-first ecosystem. Youll take an existing Android app and re-engineer it to expose its functionality via a clean, robust API. To allow external clients to build their own front ends using the data, while ensuring the app can also consume the same API internally. * Re-architect an existing Android application to expose its functionality via a standalone API. * Modify the current Android application to consume data from the newly created API. * Solid experience in API design and development, ideally for mobile-to-device communication. * Familiarity with security best practices in
Job Title: Android Developer API & Parser Integration (Contract) However, they're now embarking on an ambitious new journey: decoupling the front-end and establishing an API-first ecosystem. Youll take an existing Android app and re-engineer it to expose its functionality via a clean, robust API. To allow external clients to build their own front ends using the data, while ensuring the app can also consume the same API internally. * Re-architect an existing Android application to expose its functionality via a standalone API. * Modify the current Android application to consume data from the newly created API. * Solid experience in API design and development, ideally for mobile-to-device communication. * Familiarity with security best practices in
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AWS Backend Developer

CEI England Limited T/A CEI GB
Isleworth, London, TW7 5QD
£345 per day
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
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Lead Software Developer

S-SA Digital Recruitment Ltd
Baulmsholme, NN1
From £55,000 to £65,000 per annum 25 days Holiday + Private Health Car
Integration and API Knowledge: Handling API requests/responses, authentication, and secure data handling.
Integration and API Knowledge: Handling API requests/responses, authentication, and secure data handling.
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Senior Software Developer

Lean People Services Limited
Luton, Bedfordshire
From £65,000 to £75,000 per annum
£65,000-£75,000 per annum - Full Time Mon-Fri - Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
£65,000-£75,000 per annum - Full Time Mon-Fri - Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
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Full-Stack Developer

In Technology Group Limited
RG1, Reading
£40000 - £45000 per annum + Benefits
Job Title: Full Stack Developer - Location: Reading (Hybrid) Salary: Up to £45,000 DOE - Ready to take your development career to the next level? We're hiring a Full Stack Developer to join a growing tech team in Reading. You'll work on high-impact digital products using modern frameworks, cloud platforms, and DevOps tools in a collaborative and forward-thinking environment. Why Join Us * Hybrid flexibility - 2-3 days in-office * Modern tech stack - React, .NET Core, Azure, Docker and more * Career development - Ongoing training and mentorship * Meaningful projects - Real-time systems, AI integrations, and cloud-native solutions * Supportive culture - Agile teams, cross-functional collaboration, and continuous learning - What You'll Do * Build scalable, high-performing full-stack applications * Develop responsive, modern UIs using React (or Vue/Angular)
Job Title: Full Stack Developer - Location: Reading (Hybrid) Salary: Up to £45,000 DOE - Ready to take your development career to the next level? We're hiring a Full Stack Developer to join a growing tech team in Reading. You'll work on high-impact digital products using modern frameworks, cloud platforms, and DevOps tools in a collaborative and forward-thinking environment. Why Join Us * Hybrid flexibility - 2-3 days in-office * Modern tech stack - React, .NET Core, Azure, Docker and more * Career development - Ongoing training and mentorship * Meaningful projects - Real-time systems, AI integrations, and cloud-native solutions * Supportive culture - Agile teams, cross-functional collaboration, and continuous learning - What You'll Do * Build scalable, high-performing full-stack applications * Develop responsive, modern UIs using React (or Vue/Angular)
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FEATURED

Salesforce Architect - Core Salesforce

Stott & May Professional Search Limited
TW3, Hounslow
£95000 - £107000.00 per annum
Location: London (Hybrid) Salary: £107,000 + Up to 25% Bonus + Up to 12% Pension + £4,000 Travel Allowance - Department: Information Technology - Architecture - Shape the Future of Digital Commerce and Customer Experience - We're seeking an experienced Salesforce Architect to lead the technical strategy, design, and delivery of enterprise-scale solutions across Salesforce platforms. This is a key leadership role for someone passionate about customer-centric technology, scalable architecture, and driving digital transformation in a complex and fast-paced environment. You'll play a critical role in evolving our e-commerce and customer engagement platforms using Salesforce Commerce Cloud, Service Cloud, Experience Cloud, and Order Management. What You'll Be Doing - Architect and implement scalable, high-performance Salesforce solutions tailored to business needs.
Location: London (Hybrid) Salary: £107,000 + Up to 25% Bonus + Up to 12% Pension + £4,000 Travel Allowance - Department: Information Technology - Architecture - Shape the Future of Digital Commerce and Customer Experience - We're seeking an experienced Salesforce Architect to lead the technical strategy, design, and delivery of enterprise-scale solutions across Salesforce platforms. This is a key leadership role for someone passionate about customer-centric technology, scalable architecture, and driving digital transformation in a complex and fast-paced environment. You'll play a critical role in evolving our e-commerce and customer engagement platforms using Salesforce Commerce Cloud, Service Cloud, Experience Cloud, and Order Management. What You'll Be Doing - Architect and implement scalable, high-performance Salesforce solutions tailored to business needs.
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Salesforce Vlocity Developer

Stott & May Professional Search Limited
SL4, Windsor
£550 - £551 per day
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
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Dynamics 365 Architect

Bright Purple Resourcing
RG1, Reading
Up to £90,000
UK Remote (with occasional travel to Glasgow or Reading) * Up to £90,000 includingCar Allowance + Bonus * Permanent * SC Clearance Required - Are you an experienced Dynamics 365 Architect with a passion for designing impactful enterprise solutions? Were looking for a skilled and forward-thinking professional to join a high-performing Microsoft practice, where youll lead the technical design and delivery of secure, scalable CRM and Power Platform solutions. Youll work remotely from anywhere in the UK, with occasional travel to client or team locations in Glasgow or Reading. This role requires eligibility to obtain SC Clearance. * Salary up to £90,000 depending on experience * Car allowance and performance bonus included * UK remote working with flexible arrangements and smart hybrid travel * Competitive employer contributions to pension scheme and much more
UK Remote (with occasional travel to Glasgow or Reading) * Up to £90,000 includingCar Allowance + Bonus * Permanent * SC Clearance Required - Are you an experienced Dynamics 365 Architect with a passion for designing impactful enterprise solutions? Were looking for a skilled and forward-thinking professional to join a high-performing Microsoft practice, where youll lead the technical design and delivery of secure, scalable CRM and Power Platform solutions. Youll work remotely from anywhere in the UK, with occasional travel to client or team locations in Glasgow or Reading. This role requires eligibility to obtain SC Clearance. * Salary up to £90,000 depending on experience * Car allowance and performance bonus included * UK remote working with flexible arrangements and smart hybrid travel * Competitive employer contributions to pension scheme and much more
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We are on the lookout for a dynamic Sr Manager, DX GenAI Platforms Operations to lead the operational excellence of the Mars GenAI platform within our digital experience ecosystem. This pivotal role will serve as the backbone of the Mars GenAI platform, ensuring its seamless performance, compliance, and scalability to effectively meet the diverse and evolving demands across various segments. The Senior Manager will play a crucial role in bridging the gap between cutting-edge AI innovations and enterprise-grade service delivery. By implementing robust LLMOps practices and ensuring strict governance alignment, this leader will champion operational excellence while adhering to Mars' Responsible AI principles. With this critical role in place, we anticipate enhanced integration of Generative AI deployments, consistent AI performance, and the unlocking of transformative ..
We are on the lookout for a dynamic Sr Manager, DX GenAI Platforms Operations to lead the operational excellence of the Mars GenAI platform within our digital experience ecosystem. This pivotal role will serve as the backbone of the Mars GenAI platform, ensuring its seamless performance, compliance, and scalability to effectively meet the diverse and evolving demands across various segments. The Senior Manager will play a crucial role in bridging the gap between cutting-edge AI innovations and enterprise-grade service delivery. By implementing robust LLMOps practices and ensuring strict governance alignment, this leader will champion operational excellence while adhering to Mars' Responsible AI principles. With this critical role in place, we anticipate enhanced integration of Generative AI deployments, consistent AI performance, and the unlocking of transformative ..
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Solutions Consultant

Hays
SL6, Maidenhead
£60000.0 - £64000.0 per annum + £64,000
To excel in this role, you'll need a solid background in dealing with integration through API, SQL queries whilst being able to read scripts and interact with developers at technical level.
To excel in this role, you'll need a solid background in dealing with integration through API, SQL queries whilst being able to read scripts and interact with developers at technical level.
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MuleSoft Developer

Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
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FEATURED
Our innovative payments platform is built using API first, cloud native, microservice architecture written in dotnet core C# running on AWS using serverless infrastructure (AWS ECS + Fargate). * Strong experience with REST APIs and API testing strategies.
Our innovative payments platform is built using API first, cloud native, microservice architecture written in dotnet core C# running on AWS using serverless infrastructure (AWS ECS + Fargate). * Strong experience with REST APIs and API testing strategies.
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FEATUREDNEW

Salesforce Platform Developer

CV Screen Ltd
LU1, Luton
£50k - 65k per year + Hybrid Working
Luton - Salary up to 65k + Hybrid Working - You’ll be joining a fantastic business based near Luton as their Salesforce Developer. In the role, you will be involved in the development and customisation of Salesforce including extensions, configurations, and integrations. * Build Salesforce apps using LWC, AURA, Apex, APIs, Flows, and Triggers * Design UIs in Experience Cloud with Lightning and Visualforce * Optimize code and customize Service Cloud and Communities * Integrate Salesforce with external systems and services * Develop and maintain Apex classes, controllers, and triggers * Configure custom fields, objects, layouts, and automation * Use Salesforce DX and follow best practices for deployment * Support full dev lifecycle and create user documentation * Experienced with DevOps and Agile methodologies. * Skilled in Salesforce automation.
Luton - Salary up to 65k + Hybrid Working - You’ll be joining a fantastic business based near Luton as their Salesforce Developer. In the role, you will be involved in the development and customisation of Salesforce including extensions, configurations, and integrations. * Build Salesforce apps using LWC, AURA, Apex, APIs, Flows, and Triggers * Design UIs in Experience Cloud with Lightning and Visualforce * Optimize code and customize Service Cloud and Communities * Integrate Salesforce with external systems and services * Develop and maintain Apex classes, controllers, and triggers * Configure custom fields, objects, layouts, and automation * Use Salesforce DX and follow best practices for deployment * Support full dev lifecycle and create user documentation * Experienced with DevOps and Agile methodologies. * Skilled in Salesforce automation.
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Java Backend Developer

Responsiv Solutions Ltd.
RG12, Bracknell
Unspecified
If you have skills in API and Web product development, we need YOU to enhance our capabilities, become embedded within Responsiv, and deliver on technical projects. You should be self-motivated, proactive, and eager to learn, with strong API and web development skills.
If you have skills in API and Web product development, we need YOU to enhance our capabilities, become embedded within Responsiv, and deliver on technical projects. You should be self-motivated, proactive, and eager to learn, with strong API and web development skills.
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Integration Developer

Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
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FEATURED
About Altitude Angel - The end of 2024 marked a decade of Altitude Angel a journey driven by innovation, collaboration and a shared vision of shaping future skies with the safe and unsegregated integration of uncrewed aviation. Since the beginnings in 2014, weve transformed the landscape of drone and airspace management, delivering future proof solutions to connect skies and communities safely and efficiently. By laying the foundations for the safe integration of Uncrewed Aerial Systems (UAS) into shared airspace, were paving the way for the future of Advanced Air Mobility (AAM) and fully integrated airspace. About the Role - Working with our talented technical and commercial teams, you will lead the ideation, design, delivery and iteration of our GuardianUTM platform, fulfilling our vision of Automated Flight Everywhere, For Everyone and enabling the safe integration
About Altitude Angel - The end of 2024 marked a decade of Altitude Angel a journey driven by innovation, collaboration and a shared vision of shaping future skies with the safe and unsegregated integration of uncrewed aviation. Since the beginnings in 2014, weve transformed the landscape of drone and airspace management, delivering future proof solutions to connect skies and communities safely and efficiently. By laying the foundations for the safe integration of Uncrewed Aerial Systems (UAS) into shared airspace, were paving the way for the future of Advanced Air Mobility (AAM) and fully integrated airspace. About the Role - Working with our talented technical and commercial teams, you will lead the ideation, design, delivery and iteration of our GuardianUTM platform, fulfilling our vision of Automated Flight Everywhere, For Everyone and enabling the safe integration
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Have deep knowledge on AWS technical stack- Lambda, DynamoDB, Kinesis, API gateway ,monitoring solutions like Cloud Watch and Xray
Have deep knowledge on AWS technical stack- Lambda, DynamoDB, Kinesis, API gateway ,monitoring solutions like Cloud Watch and Xray
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Back-End Developer

In Technology Group Limited
RG1, Reading
£46000 - £60000 per annum + Benefits
Job Title: Back-End Developer - Location: Reading (Hybrid) Salary: Up to £60,000 DOE - Are you passionate about building powerful backend systems that drive real-world impact? Benefits! Hybrid Flexibility - Balance office time and remote work your way? Modern Tech Stack - Node.js, Python, .NET, cloud-native tools & more? Career Development - Ongoing training, mentorship, and progression? Innovative Projects - Get hands-on with meaningful, high-impact work * Build Robust Backends - Design and develop high-performance APIs and services * Data Management - Work with SQL and NoSQL databases (PostgreSQL, MongoDB, etc.) * Cloud Deployment - Deploy scalable apps via AWS, Azure, or GCP * Implement DevOps Practices - CI/CD pipelines, Docker, Kubernetes * Collaborate Across Teams - Work with product & frontend devs to deliver end-to-end solutions
Job Title: Back-End Developer - Location: Reading (Hybrid) Salary: Up to £60,000 DOE - Are you passionate about building powerful backend systems that drive real-world impact? Benefits! Hybrid Flexibility - Balance office time and remote work your way? Modern Tech Stack - Node.js, Python, .NET, cloud-native tools & more? Career Development - Ongoing training, mentorship, and progression? Innovative Projects - Get hands-on with meaningful, high-impact work * Build Robust Backends - Design and develop high-performance APIs and services * Data Management - Work with SQL and NoSQL databases (PostgreSQL, MongoDB, etc.) * Cloud Deployment - Deploy scalable apps via AWS, Azure, or GCP * Implement DevOps Practices - CI/CD pipelines, Docker, Kubernetes * Collaborate Across Teams - Work with product & frontend devs to deliver end-to-end solutions
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FEATURED

Senior React & Sitecore Developer

FBI &TMT
Luton, Bedfordshire, LU2 9PF
£500 - £600 per day
What is the project about? We're embarking on an exciting digital transformation initiative focused on enhancing the customer experience through the development of a brand-new Weather App module. This module will deliver real-time, destination-specific weather insights to holidaymakers, while also supporting rapid experimentation and validation of new product ideas through proof-of-concepts (POCs). What will I be doing? As a Senior React Developer, you'll play a pivotal role in the end-to-end delivery of this greenfield app. * Lead the selection and implementation of a modern React-based technology stack. * Familiar/experienced with Sitecore Headless/Edge/JSS * Build the MVP of the Weather App from the ground up. * Collaborate closely with engineering leads to shape architecture and best practices. * Define and implement QA, automated testing, and CI/CD practices.
What is the project about? We're embarking on an exciting digital transformation initiative focused on enhancing the customer experience through the development of a brand-new Weather App module. This module will deliver real-time, destination-specific weather insights to holidaymakers, while also supporting rapid experimentation and validation of new product ideas through proof-of-concepts (POCs). What will I be doing? As a Senior React Developer, you'll play a pivotal role in the end-to-end delivery of this greenfield app. * Lead the selection and implementation of a modern React-based technology stack. * Familiar/experienced with Sitecore Headless/Edge/JSS * Build the MVP of the Weather App from the ground up. * Collaborate closely with engineering leads to shape architecture and best practices. * Define and implement QA, automated testing, and CI/CD practices.
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* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
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Staff Quality Engineer (Mobile Apps)

John Lewis Head Office
RG12, Bracknell
From £70,000 to £100,000 per annum
As the UKs most successful omni-channel retailer which includes two of the UKs most loved department store and grocery brands, with annual sales revenues in excess of £12B. The Partnership also includes a rapidly growing Financial Services business, with growth of 22% in 2022/23 - Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from eCommerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies. This advertised role, Senior Quality Engineer (Mobile), is known internally as Product Engineer (PL6). (Find out more about being a Product Engineer in the Partnership, and the technology we use.
As the UKs most successful omni-channel retailer which includes two of the UKs most loved department store and grocery brands, with annual sales revenues in excess of £12B. The Partnership also includes a rapidly growing Financial Services business, with growth of 22% in 2022/23 - Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from eCommerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies. This advertised role, Senior Quality Engineer (Mobile), is known internally as Product Engineer (PL6). (Find out more about being a Product Engineer in the Partnership, and the technology we use.
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What is the average salary for API in Buckinghamshire?

Average salary per year
£57,499

The average salary for a API in Buckinghamshire is £57,499. API in Buckinghamshire salaries range from £47,499 to £68,124.

Find out more

How many API jobs are there in Buckinghamshire?
There are 67 API jobs within 10 miles of Buckinghamshire available on Totaljobs right now.
What other similar jobs are there to API jobs in Buckinghamshire?
As well as API jobs in Buckinghamshire, you can find Junior Cloud Engineer, Servicenow, Service, amongst many others.
How many temporary and part-time API jobs are available in Buckinghamshire?
There are 4 temporary API jobs and 9 part-time API jobs available in Buckinghamshire at the moment.
Essential skills for an api career
A successful API career requires a blend of technical and soft skills. Proficiency in programming languages like JavaScript, Java, and Python, along with expertise in API design, cloud architecture, and web development, are crucial for roles such as backend developer or full stack developer.
What does a typical day look like for an api professional?
An API professional's day often involves designing, developing, and testing APIs, collaborating with cross-functional teams, and troubleshooting issues. A backend software engineer might work on integrating APIs with various platforms, whilst a servicenow developer could focus on customising and optimising API implementations.
Starting a career in api
To start an API career, focus on building a strong foundation in programming and understanding API architectures. Gain practical experience through personal projects, contribute to open-source initiatives, and consider pursuing relevant certifications in areas like Salesforce or Office 365 to enhance your marketability.
What are the different roles in the api industry?
The API industry offers diverse roles, including integration engineer, java developer, and product assistant. A magento developer might specialise in e-commerce APIs, whilst a drupal developer could focus on content management system integrations, showcasing the breadth of opportunities available in this field.