Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations

Filters

Permanent
Sort byRelevance
Commute time
Locations
Salaries
Date posted
    Type of Company
      Job types
      2 selected

        Related Jobs

        • Quality Assurance
        • IT
        • Software Development
        • Architecture
        • Management
        • Design
        • Communication
        • Practicality
        • Technology
        • Service
        • Software Engineer
        • Senior Software Engineer
        • AI Engineer
        • Solution Architect
        • Data Engineer

        show more
        Permanent
        Remove all filters

        Commute time

        Locations

        Popular locations


        The City, City (EC4)
        9




































        See all jobs in Leedon

        Salaries

        Date posted





        Job types

        Permanent
        442



        26 Contract API jobs in Leedon + 20 miles

        811 exact matches jobs are outside your preferred location

        Product Lead, Card Issuing

        Littlepay
        London
        Competitive
        5+ year experience in the card issuing ecosystem, preferably in a modern fintech with a platform and API products
        5+ year experience in the card issuing ecosystem, preferably in a modern fintech with a platform and API products
        more
        Our API design concepts. * Our current technology stack is AWS Serverless products ( Lambda , SQS , EventBridge , API Gateway , S3, ECS ) running Typescript (and Node.js) on the compute layer and backed by MongoDB for the database layer.
        Our API design concepts. * Our current technology stack is AWS Serverless products ( Lambda , SQS , EventBridge , API Gateway , S3, ECS ) running Typescript (and Node.js) on the compute layer and backed by MongoDB for the database layer.
        more
        Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
        Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
        more
        From day one, youll be hands-onsupporting our clients (banks and wealth managers), guiding them through API integration for their apps and websites, and helping set up data connections and custom reports.
        From day one, youll be hands-onsupporting our clients (banks and wealth managers), guiding them through API integration for their apps and websites, and helping set up data connections and custom reports.
        more
        NEW
        Manage API/Feed demos, trials, and existing client relationships, ensuring high levels of customer satisfaction. * Support sales efforts by delivering effective client presentations, conducting demos using Data Services products (API, Feeds, Snowflake, etc.), communicating our value proposition, providing quotes, and defining licensing/contract terms.
        Manage API/Feed demos, trials, and existing client relationships, ensuring high levels of customer satisfaction. * Support sales efforts by delivering effective client presentations, conducting demos using Data Services products (API, Feeds, Snowflake, etc.), communicating our value proposition, providing quotes, and defining licensing/contract terms.
        more
        Develop Intelligent Applications: Engage in the full development lifecycle to build internal tools and agents using custom logic and direct API integrations. * Full-Stack Contribution: Contribute to backend logic (API integrations, database management) and simple user-facing interfaces to make your tools accessible to non-technical colleagues. * Strong Scripting Skills (Python or JavaScript): You have strong hands-on experience using Python or JavaScript/TypeScript for data manipulation, API interaction, and process automation. * LLM & API Experience: You have built applications or scripts that utilize LLM APIs (OpenAI, Anthropic, Gemini).
        Develop Intelligent Applications: Engage in the full development lifecycle to build internal tools and agents using custom logic and direct API integrations. * Full-Stack Contribution: Contribute to backend logic (API integrations, database management) and simple user-facing interfaces to make your tools accessible to non-technical colleagues. * Strong Scripting Skills (Python or JavaScript): You have strong hands-on experience using Python or JavaScript/TypeScript for data manipulation, API interaction, and process automation. * LLM & API Experience: You have built applications or scripts that utilize LLM APIs (OpenAI, Anthropic, Gemini).
        more
        NEW
        Back-End Development Support: Contribute to server-side functionality using PHP, including API integrations, data processing, and business logic implementation, with guidance from your manager. Ability to read, modify, and write PHP code for server-side logic, data processing, and API integrations.
        Back-End Development Support: Contribute to server-side functionality using PHP, including API integrations, data processing, and business logic implementation, with guidance from your manager. Ability to read, modify, and write PHP code for server-side logic, data processing, and API integrations.
        more
        Post-training techniques for planning, reasoning & complex workflows (e.g., reasoning models, LLMs + knowledge graphs, test time compute, CoT pipelines, tool use & API calling, etc.)
        Post-training techniques for planning, reasoning & complex workflows (e.g., reasoning models, LLMs + knowledge graphs, test time compute, CoT pipelines, tool use & API calling, etc.)
        more
        Job Description Summary - Sr Staff Technical Product Manager- D&S- Avionics & Power Next Generation MES/QMS - Responsible for operating in lock-step with product management teams to create a clear strategic direction for development needs and conveys that vision to the build and/or operations team. You will direct the team with a clear and descriptive set of requirements and partner with the team to determine what can be delivered through balancing the need for new features, defects, and technical debt. Your priority is seamless integration and alignment of perspectives from a broad set of stakeholders: Product Managers, Technical Anchors, Product Owners and Developers. Job Description - Roles and Responsibilities * Demonstrate superior product and industry knowledge and helps organization to gain the competitive edge.
        Job Description Summary - Sr Staff Technical Product Manager- D&S- Avionics & Power Next Generation MES/QMS - Responsible for operating in lock-step with product management teams to create a clear strategic direction for development needs and conveys that vision to the build and/or operations team. You will direct the team with a clear and descriptive set of requirements and partner with the team to determine what can be delivered through balancing the need for new features, defects, and technical debt. Your priority is seamless integration and alignment of perspectives from a broad set of stakeholders: Product Managers, Technical Anchors, Product Owners and Developers. Job Description - Roles and Responsibilities * Demonstrate superior product and industry knowledge and helps organization to gain the competitive edge.
        more
        Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers legs. Kis mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Kis teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. Where you come in?
        Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers legs. Kis mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Kis teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. Where you come in?
        more
        nCino offers exciting career opportunities for individuals who want to join the worldwide leader in cloud banking. As a PreSales Solution Architect you will use your SaaS & Salesforce expertise and work closely with banks and financial institutions to innovate financial services. You will lead the solutioning for business challenges and present and demonstrate the value of the nCino solution. Responsibilities * Be a Trusted Advisor to prospects and clients by leading presales conversations, * presentations and solutioning around nCino-specific architectural design * Be a Thought Leader and provide guidance as it relates to SaaS, cloud infrastructure and AI, especially in relation to financial services * Be a Solution Consultant and lead deep-dive discovery sessions with prospects to identify target solution architecture and advise on best practices to meet functional
        nCino offers exciting career opportunities for individuals who want to join the worldwide leader in cloud banking. As a PreSales Solution Architect you will use your SaaS & Salesforce expertise and work closely with banks and financial institutions to innovate financial services. You will lead the solutioning for business challenges and present and demonstrate the value of the nCino solution. Responsibilities * Be a Trusted Advisor to prospects and clients by leading presales conversations, * presentations and solutioning around nCino-specific architectural design * Be a Thought Leader and provide guidance as it relates to SaaS, cloud infrastructure and AI, especially in relation to financial services * Be a Solution Consultant and lead deep-dive discovery sessions with prospects to identify target solution architecture and advise on best practices to meet functional
        more
        PIMCO is a global leader in active fixed income with deep expertise across public and private markets. We invest our clients capital across a range of fixed income and credit opportunities, leveraging our decades of experience navigating complex debt markets. Our flexible capital base and deep relationships with issuers have helped us become one of the worlds largest providers of traditional and nontraditional solutions for companies that need financing and investors who seek strong risk-adjusted returns. Since 1971, our people have shaped our organization through a high-performance inclusive culture, in which we celebrate diverse thinking. We invest in our people and strive to imprint our CORE values of Collaboration, Openness, Responsibility and Excellence. We believe each of us is here to help others succeed and this has led to PIMCO being recognized as an innovato
        PIMCO is a global leader in active fixed income with deep expertise across public and private markets. We invest our clients capital across a range of fixed income and credit opportunities, leveraging our decades of experience navigating complex debt markets. Our flexible capital base and deep relationships with issuers have helped us become one of the worlds largest providers of traditional and nontraditional solutions for companies that need financing and investors who seek strong risk-adjusted returns. Since 1971, our people have shaped our organization through a high-performance inclusive culture, in which we celebrate diverse thinking. We invest in our people and strive to imprint our CORE values of Collaboration, Openness, Responsibility and Excellence. We believe each of us is here to help others succeed and this has led to PIMCO being recognized as an innovato
        more
        The opportunity - We have an exciting opportunity for a Backend Staff Engineer who wants to be at the forefront of the AI revolution to help shape the future of the Engineering strategy - taking the team to the next level. Youll help to set the direction of backend engineering, be a key person in our AI capability development by navigating everything from decision making to implementation, whilst expertly supporting engineers to balance quality, rapid delivery and value with complexity. Salary - The salary range for this role is £100K to £125K. In person and remote working balance - We embrace a flexible hybrid work model. While we don't mandate specific office days, we ask Attesters to work on-site 2 days per week. This approach allows us to collaborate in person, while ensuring enough time remotely for deep, focussed work. What youll be doing
        The opportunity - We have an exciting opportunity for a Backend Staff Engineer who wants to be at the forefront of the AI revolution to help shape the future of the Engineering strategy - taking the team to the next level. Youll help to set the direction of backend engineering, be a key person in our AI capability development by navigating everything from decision making to implementation, whilst expertly supporting engineers to balance quality, rapid delivery and value with complexity. Salary - The salary range for this role is £100K to £125K. In person and remote working balance - We embrace a flexible hybrid work model. While we don't mandate specific office days, we ask Attesters to work on-site 2 days per week. This approach allows us to collaborate in person, while ensuring enough time remotely for deep, focussed work. What youll be doing
        more
        Our engineering team is dedicated to designing and developing robust backend services and applications that support Macquaries Commodities and Global Markets operations. We work collaboratively across functions to deliver reliable, high-performance solutions, ensuring our systems remain responsive, efficient, and scalable. Our focus is on maintaining code quality, fostering innovation, and continuously improving our technology landscape. While Macquarie offers hybrid working for many of our roles, this role does require 3 days a week in the advertised location. At Macquarie, our advantage is bringing together diverse people and empowering them to shape all kinds of possibilities. We are a global financial services group operating in 31 markets and with 56 years of unbroken profitability. Youll be part of a friendly and supportive team where everyone - no matter what r
        Our engineering team is dedicated to designing and developing robust backend services and applications that support Macquaries Commodities and Global Markets operations. We work collaboratively across functions to deliver reliable, high-performance solutions, ensuring our systems remain responsive, efficient, and scalable. Our focus is on maintaining code quality, fostering innovation, and continuously improving our technology landscape. While Macquarie offers hybrid working for many of our roles, this role does require 3 days a week in the advertised location. At Macquarie, our advantage is bringing together diverse people and empowering them to shape all kinds of possibilities. We are a global financial services group operating in 31 markets and with 56 years of unbroken profitability. Youll be part of a friendly and supportive team where everyone - no matter what r
        more
        Bicycle Therapeutics is a clinical-stage pharmaceutical company developing a novel class of medicines, referred to as Bicycle molecules, for diseases that are underserved by existing therapeutics. Bicycle molecules are fully synthetic short peptides constrained with small molecule scaffolds to form two loops that stabilize their structural geometry. This constraint facilitates target binding with high affinity and selectivity, making Bicycle molecules attractive candidates for drug development. The company is evaluating zelenectide pevedotin (formerly BT8009), a Bicycle Drug Conjugate (BDC) targeting Nectin-4, a well-validated tumor antigen; BT5528, a BDC molecule targeting EphA2, a historically undruggable target; and BT7480, a Bicycle Tumor-Targeted Immune Cell Agonist (Bicycle TICA) targeting Nectin-4 and agonizing CD137, in company-sponsored clinical trials.
        Bicycle Therapeutics is a clinical-stage pharmaceutical company developing a novel class of medicines, referred to as Bicycle molecules, for diseases that are underserved by existing therapeutics. Bicycle molecules are fully synthetic short peptides constrained with small molecule scaffolds to form two loops that stabilize their structural geometry. This constraint facilitates target binding with high affinity and selectivity, making Bicycle molecules attractive candidates for drug development. The company is evaluating zelenectide pevedotin (formerly BT8009), a Bicycle Drug Conjugate (BDC) targeting Nectin-4, a well-validated tumor antigen; BT5528, a BDC molecule targeting EphA2, a historically undruggable target; and BT7480, a Bicycle Tumor-Targeted Immune Cell Agonist (Bicycle TICA) targeting Nectin-4 and agonizing CD137, in company-sponsored clinical trials.
        more
        About KX - KX software powers the time-aware data-driven decisions that enable fast-moving companies to outpace competitors, realizing the full potential of their AI investments. The KX platform delivers transformational value by addressing data challenges related to completeness, timeliness and efficiency, ensuring companies understand change over time and can achieve faster, more accurate insights at any scale, cost-effectively. KX is essential to the operations of the world's top investment banks, aerospace and defence, high-tech manufacturing, healthcare and life sciences, automotive and fleet telematics organizations. The company has established offices and a robust customer base across North America, Europe, and Asia Pacific. Overview of the Role - We are seeking a Senior/Intermediate Java Engineer to join our R&D team.
        About KX - KX software powers the time-aware data-driven decisions that enable fast-moving companies to outpace competitors, realizing the full potential of their AI investments. The KX platform delivers transformational value by addressing data challenges related to completeness, timeliness and efficiency, ensuring companies understand change over time and can achieve faster, more accurate insights at any scale, cost-effectively. KX is essential to the operations of the world's top investment banks, aerospace and defence, high-tech manufacturing, healthcare and life sciences, automotive and fleet telematics organizations. The company has established offices and a robust customer base across North America, Europe, and Asia Pacific. Overview of the Role - We are seeking a Senior/Intermediate Java Engineer to join our R&D team.
        more
        CSQ227R63 - As a Forward Deployed Engineer (FDE) , you will embed directly with our most strategic customers to design and deliver custom fullstack applications and solutions on the Databricks Data Intelligence Platform and other common software stacks. You will own the architecture, lead design decisions, and implement end-to-end systems spanning data engineering, AI, and application development. This is a hands-on, customer-facing role for software engineers, developers, and builders who thrive at the intersection of technology and business impact. The ideal candidate combines engineering expertise with adaptability, curiosity, and a passion for solving complex problems that drive measurable outcomes. * Own the Architecture: Lead architecture and design decisions, ensuring solutions are secure, scalable, and aligned with both customer needs and Databricks best pract
        CSQ227R63 - As a Forward Deployed Engineer (FDE) , you will embed directly with our most strategic customers to design and deliver custom fullstack applications and solutions on the Databricks Data Intelligence Platform and other common software stacks. You will own the architecture, lead design decisions, and implement end-to-end systems spanning data engineering, AI, and application development. This is a hands-on, customer-facing role for software engineers, developers, and builders who thrive at the intersection of technology and business impact. The ideal candidate combines engineering expertise with adaptability, curiosity, and a passion for solving complex problems that drive measurable outcomes. * Own the Architecture: Lead architecture and design decisions, ensuring solutions are secure, scalable, and aligned with both customer needs and Databricks best pract
        more
        NEW
        Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the worlds leading financial groups. Across the globe, were 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world. With a vision to be the worlds most trusted financial group, its part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded.
        Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the worlds leading financial groups. Across the globe, were 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world. With a vision to be the worlds most trusted financial group, its part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded.
        more
        NEW
        Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. We are currently seeking a Software Development Manager to join our Engineering team. This role is available to candidates across the UK, with preference in London. If you are local to one of our hub in London you will be expected to be in office minimum twice per week on one of our Anchor Days. At Clio we strive to be both human and high performing. For Development Managers this means supporting and growing your people, strong execution as a team and as a triad (the teams Designer + Product + Development manager leadership group), and building solid technical solutions.
        Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. We are currently seeking a Software Development Manager to join our Engineering team. This role is available to candidates across the UK, with preference in London. If you are local to one of our hub in London you will be expected to be in office minimum twice per week on one of our Anchor Days. At Clio we strive to be both human and high performing. For Development Managers this means supporting and growing your people, strong execution as a team and as a triad (the teams Designer + Product + Development manager leadership group), and building solid technical solutions.
        more
        NEW
        Who are we? Howden is a global insurance group with employee ownership at its heart. Together, we have pushed the boundaries of insurance. We are united by a shared passion and no-limits mindset, and our strength lies in our ability to collaborate as a powerful international team comprised of 23,000 employees spanning over 56 countries. People join Howden for many different reasons, but they stay for the same one: our culture. Its what sets us apart, and the reason our employees have been turning down headhunters for years. Whatever your priorities work / life balance, career progression, sustainability, volunteering youll find like-minded people driving change at Howden. What is the role? We are looking for a Treasury Systems Analyst to join our Group Treasury team. The Treasury Systems Analyst is responsible for the Group Treasury Management system, Online Banking S
        Who are we? Howden is a global insurance group with employee ownership at its heart. Together, we have pushed the boundaries of insurance. We are united by a shared passion and no-limits mindset, and our strength lies in our ability to collaborate as a powerful international team comprised of 23,000 employees spanning over 56 countries. People join Howden for many different reasons, but they stay for the same one: our culture. Its what sets us apart, and the reason our employees have been turning down headhunters for years. Whatever your priorities work / life balance, career progression, sustainability, volunteering youll find like-minded people driving change at Howden. What is the role? We are looking for a Treasury Systems Analyst to join our Group Treasury team. The Treasury Systems Analyst is responsible for the Group Treasury Management system, Online Banking S
        more

        Related Jobs


        show more

        Frequently Asked Questions

        How many contract API jobs are there in Leedon?
        There are 26 contract API jobs within 20 miles of Leedon available on CWJobs right now.

        Where in Leedon are these contract jobs?
        You can find contract jobs in The City, City (EC4), Southwark, Hinxton.

        What other similar jobs are there to contract API jobs in Leedon?
        As well as contract API jobs in Leedon, you can find contract Quality Assurance, IT, Software Development, amongst many others.