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        173 Permanent API jobs in South East + 20 miles

        IT Support Analyst

        Pharmaron
        South East
        Competitive
        The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
        The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
        more
        NEW
        Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
        Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
        NEWPREMIUM
        FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
        FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
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        NEW
        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
        more
        Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
        Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
        more
        Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
        Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
        more
        Minimum Requirements - Required Skills - 1. Bachelors degree in Computer Science or a related field (preferred). 2. Minimum 3 years of hands-on experience in WordPress development. 3. Proficiency in PHPMySQL, , HTML, CSS, JavaScript, and RESTful APIs. 4. Solid experience with custom plugin and theme development . 5. Demonstrated experience integrating WordPress with ERP systems . 6. Familiarity with development tools like Git, Docker, and WP-CLI. 7. Knowledge of website performance optimization and security best practices. 8. Ability to manage tasks independently with minimal supervision. Education/Experience - 9. WordPress Development: 3 years (Required) Additional Requirements - 10. Develop and maintain custom WordPress themes and plugins. 11. Build backend functionality using PHP, MySQL, and REST APIs. 12. Integrate WordPress with NetSuite ERP system. 13.
        Minimum Requirements - Required Skills - 1. Bachelors degree in Computer Science or a related field (preferred). 2. Minimum 3 years of hands-on experience in WordPress development. 3. Proficiency in PHPMySQL, , HTML, CSS, JavaScript, and RESTful APIs. 4. Solid experience with custom plugin and theme development . 5. Demonstrated experience integrating WordPress with ERP systems . 6. Familiarity with development tools like Git, Docker, and WP-CLI. 7. Knowledge of website performance optimization and security best practices. 8. Ability to manage tasks independently with minimal supervision. Education/Experience - 9. WordPress Development: 3 years (Required) Additional Requirements - 10. Develop and maintain custom WordPress themes and plugins. 11. Build backend functionality using PHP, MySQL, and REST APIs. 12. Integrate WordPress with NetSuite ERP system. 13.
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        NEW
        Looking for a new challenge? Take a look at our current vacancies. If you see a vacancy that is right for you, we encourage you to apply! Job Title: Specialist Data Engineer - Full-time role - Working Hours: Full-time 35 hours per week - Salary: £64,575 - Location: London Docklands (Hybrid). Our permanent hybrid policy sees us all working at least four days across a fortnight in the office. The Financial Ombudsman Service has been resolving customer complaints since 2001. Our service is free for consumers to use and over 1 million people contact us every year. The last few years have seen the Financial Ombudsman Service embark on an organisation-wide transformation journey. With the customer at the heart of everything we do, we have already delivered significant improvements in the service we offer and 2026 will see us continue with our ambitious transformation agenda
        Looking for a new challenge? Take a look at our current vacancies. If you see a vacancy that is right for you, we encourage you to apply! Job Title: Specialist Data Engineer - Full-time role - Working Hours: Full-time 35 hours per week - Salary: £64,575 - Location: London Docklands (Hybrid). Our permanent hybrid policy sees us all working at least four days across a fortnight in the office. The Financial Ombudsman Service has been resolving customer complaints since 2001. Our service is free for consumers to use and over 1 million people contact us every year. The last few years have seen the Financial Ombudsman Service embark on an organisation-wide transformation journey. With the customer at the heart of everything we do, we have already delivered significant improvements in the service we offer and 2026 will see us continue with our ambitious transformation agenda
        more
        NEW
        Type - Permanent - Full Time - Location - London - Job Role - Project Management Office - Withers - Job title: Legal AI and Innovation Delivery Lead - Reporting to: Global Head of Portfolio Management - Location: London - The Role - Aligned to a continuous drive to innovate, Withers has recently launched a new business strategy which focuses on reviewing and improving how our firm operates across all regions and divisions in order to optimise productivity through the better use of technology, and ultimately to deliver the best service to our clients. This will be achieved through a number of means including examining and optimising technology skills, the processes that our people use, and the technologies which they are using. It will address both the better use of our existing systems, and the purchase and /or development of new tools aligned to business needs.
        Type - Permanent - Full Time - Location - London - Job Role - Project Management Office - Withers - Job title: Legal AI and Innovation Delivery Lead - Reporting to: Global Head of Portfolio Management - Location: London - The Role - Aligned to a continuous drive to innovate, Withers has recently launched a new business strategy which focuses on reviewing and improving how our firm operates across all regions and divisions in order to optimise productivity through the better use of technology, and ultimately to deliver the best service to our clients. This will be achieved through a number of means including examining and optimising technology skills, the processes that our people use, and the technologies which they are using. It will address both the better use of our existing systems, and the purchase and /or development of new tools aligned to business needs.
        more
        Senior Software Development Engineer in Test - Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.
        Senior Software Development Engineer in Test - Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.
        more
        At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. As a Agile Business Analyst Consultant, you will be joining the growing and exciting Digital Excellence community who are continually sharing knowledge and expertise. We are all passionate about user-centred design, critical thinking, problem solving and designing and building digital services and products. Working at Capgemini Invent would give you opportunities to develop and grow, working with major clients in both p
        At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. As a Agile Business Analyst Consultant, you will be joining the growing and exciting Digital Excellence community who are continually sharing knowledge and expertise. We are all passionate about user-centred design, critical thinking, problem solving and designing and building digital services and products. Working at Capgemini Invent would give you opportunities to develop and grow, working with major clients in both p
        more
        Job summary - As the NHS Workforce solution moves into a transformational new era there is an exciting opportunity to join the national ESR Team, responsible for delivery of the largest HR, Payroll and Learning management solution and service in the World, to support the next exciting chapter in Workforce Services at NHSBSA. The Department of Health and Social Care has commissioned the NHSBSA to lead the Future NHS Workforce Solution Transformation Programme, to identify and deliver the Future NHS Workforce Solution to over 1.8 million NHS colleagues in England and Wales. Future NHS Workforce Solution Transformation Programme | NHSBSA - It is anticipated that the new supplier will be chosen by Autumn 2025, beginning a significant transitional period as they take on responsibility for running the existing service, whilst configuring the Future Workforce Solution in par
        Job summary - As the NHS Workforce solution moves into a transformational new era there is an exciting opportunity to join the national ESR Team, responsible for delivery of the largest HR, Payroll and Learning management solution and service in the World, to support the next exciting chapter in Workforce Services at NHSBSA. The Department of Health and Social Care has commissioned the NHSBSA to lead the Future NHS Workforce Solution Transformation Programme, to identify and deliver the Future NHS Workforce Solution to over 1.8 million NHS colleagues in England and Wales. Future NHS Workforce Solution Transformation Programme | NHSBSA - It is anticipated that the new supplier will be chosen by Autumn 2025, beginning a significant transitional period as they take on responsibility for running the existing service, whilst configuring the Future Workforce Solution in par
        more
        Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Niveau d'études - Niveau BAC+2/3 - Marque - Métier - Expertise Financire et Technique Transformation numérique & data - Mise jour le 04.08.2025 - The Role - BNP Paribas Real Estate is a one-of-a-kind real estate specialist business, with multiple business lines providing residential and commercial property sales; facilities and property management; and rural estate advice and management. The use of data-driven insights and technology is key in the real estate sector. To continue our competitive approach in this market, we have embarked on an exciting programme of activity which involves identifying and enhancing the possibilities with our data - transforming and evolving BNP Paribas Real
        Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Niveau d'études - Niveau BAC+2/3 - Marque - Métier - Expertise Financire et Technique Transformation numérique & data - Mise jour le 04.08.2025 - The Role - BNP Paribas Real Estate is a one-of-a-kind real estate specialist business, with multiple business lines providing residential and commercial property sales; facilities and property management; and rural estate advice and management. The use of data-driven insights and technology is key in the real estate sector. To continue our competitive approach in this market, we have embarked on an exciting programme of activity which involves identifying and enhancing the possibilities with our data - transforming and evolving BNP Paribas Real
        more
        AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
        AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
        more

        9 exact matches jobs are outside your preferred location

        Senior C# Software Engineer

        Spectrum It Recruitment Limited
        UK
        £60000 - £65000 per annum
        Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
        Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
        more
        NEW
        ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
        ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
        more
        NEWFEATURED

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        What is the average salary for API in South East?

        Average salary per year
        £67,499

        The average salary for a API in South East is £67,499. API in South East salaries range from £52,499 to £82,499.

        Frequently Asked Questions

        How many permanent API jobs are there in South East?
        There are 173 permanent API jobs within 20 miles of South East available on CWJobs right now.

        Where in South East are these permanent jobs?
        You can find permanent jobs in London, Hampshire, Berkshire.

        What other similar jobs are there to permanent API jobs in South East?
        As well as permanent API jobs in South East, you can find permanent Angular, IT, Software Development, amongst many others.