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        191



        93 Permanent API jobs in London + 20 miles

        Full Stack Lead Engineer

        Hunter Selection
        Soho, W1
        £60000 - £85000 per annum + health insurance life insurance
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
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        NEWFEATURED
        Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
        Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
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        NEW
        You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
        You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
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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).
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        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..
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        NEW
        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.
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        Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
        Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
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        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
        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.
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        NEW
        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.
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        NEW
        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
        NEW
        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
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        NEW
        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
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        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

        98 exact matches jobs are outside your preferred location

        Lead .Net Software Developer

        Hireful
        Milton Keynes, Buckinghamshire
        £65k - £75k base + Bonus
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
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        NEWFEATURED
        We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
        We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
        more
        NEW
        We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
        We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
        more
        NEWPREMIUM

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        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many permanent API jobs are there in London?
        There are 93 permanent API jobs within 20 miles of London available on CWJobs right now.

        Where in London are these permanent jobs?
        You can find permanent jobs in Central London, West End, City of London.

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