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        40 Contract API jobs in Mayfair + 20 miles

        184 exact matches jobs are outside your preferred location

        Dynamics 365 CRM Developer

        ITSS Recruitment Ltd
        London
        £50000 - £70000 per annum + Excellent Benefits
        Dynamics CRM / 365 CE Developer - Fully Remote - UK Based - We are working with a global finance and accountancy organisation who are supporting this sector across over 40 countries. We require an experienced D365 CE Developer to join a very strong team who are influential in the digital transformation programme. The D365 CRM Developer will require a good understanding of the product and how it fits within the wider technology landscape. The work will be delivered using their continuous delivery methodology work across IT and the business to gather requirements, look for opportunity and deliver, test and document service improvements across the Dynamics 365 services. The Job * Implement and configure Microsoft Dynamics 365 Customer Engagement modules to meet business requirements which include entities, forms, views, workflows, Power Automate flows and business rules.
        Dynamics CRM / 365 CE Developer - Fully Remote - UK Based - We are working with a global finance and accountancy organisation who are supporting this sector across over 40 countries. We require an experienced D365 CE Developer to join a very strong team who are influential in the digital transformation programme. The D365 CRM Developer will require a good understanding of the product and how it fits within the wider technology landscape. The work will be delivered using their continuous delivery methodology work across IT and the business to gather requirements, look for opportunity and deliver, test and document service improvements across the Dynamics 365 services. The Job * Implement and configure Microsoft Dynamics 365 Customer Engagement modules to meet business requirements which include entities, forms, views, workflows, Power Automate flows and business rules.
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        Software Support Engineer

        S-SA Digital Recruitment Ltd
        MK41, Bedford
        From £32,000 to £38,000 per annum Excellent Benefits
        Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
        Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
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        Data Consultant

        Fortice Ltd
        London
        From £45,000 to £80,000 per annum Open to candidates of all experience
        London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
        London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
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        QA Test Automation Engineer Python

        Client Server
        Milton, CB24
        £50000 - £65000 per annum + bonus + benefits
        You have API testing experience
        You have API testing experience
        NEWPREMIUM
        We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
        We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
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        NEW
        We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
        We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
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        Act as SME for NW-API across Enterprise Sales, Partnerships, Alliances, and Solution Engineers globally (EMEA, US, APAC). * Maintain expert-level knowledge of NW-API platforms/solutions and communicate value propositions as a recognised industry leader. * Lead client engagements to operationalise and scale NW-API and fraud prevention solutions, driving new revenue opportunities.
        Act as SME for NW-API across Enterprise Sales, Partnerships, Alliances, and Solution Engineers globally (EMEA, US, APAC). * Maintain expert-level knowledge of NW-API platforms/solutions and communicate value propositions as a recognised industry leader. * Lead client engagements to operationalise and scale NW-API and fraud prevention solutions, driving new revenue opportunities.
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        Collaborating with clients, applying a strong consultative approach, adding true value with both your Architectural skillset and demonstrated experience selling the metrics of a good API strategy to senior business and IT stakeholders.
        Collaborating with clients, applying a strong consultative approach, adding true value with both your Architectural skillset and demonstrated experience selling the metrics of a good API strategy to senior business and IT stakeholders.
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        At Mitratech, we are a team of technologists focused on building world-class products that simplify operations in the Legal, Risk, Compliance, and HR functions. We are a close-knit, globally dispersed team that thrives in an ecosystem that supports individual excellence and takes pride in its diverse and inclusive work culture centered around great people practices, learning opportunities, and having fun! Our culture is the ideal blend of entrepreneurial spirit and enterprise investment, enabling the chance to move at a rapid pace with some of the most complex, leading-edge technologies available. For over 35 years, the experts at Mitratech have been focused on solving the complex needs. Today, we serve 20,000 client companies of all sizes globally, representing 30% of the Fortune 500 and over 500,000 users in over 160 countries.
        At Mitratech, we are a team of technologists focused on building world-class products that simplify operations in the Legal, Risk, Compliance, and HR functions. We are a close-knit, globally dispersed team that thrives in an ecosystem that supports individual excellence and takes pride in its diverse and inclusive work culture centered around great people practices, learning opportunities, and having fun! Our culture is the ideal blend of entrepreneurial spirit and enterprise investment, enabling the chance to move at a rapid pace with some of the most complex, leading-edge technologies available. For over 35 years, the experts at Mitratech have been focused on solving the complex needs. Today, we serve 20,000 client companies of all sizes globally, representing 30% of the Fortune 500 and over 500,000 users in over 160 countries.
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        RESPONSABILITIES Translate business and technical needs into clear product requirements, including user stories, acceptance criteria, and data schemas; Prioritize data features and deliverables based on impact, effort, and strategic alignment; Define and enforce data quality standards (accuracy, completeness, timeliness) for published data sets; Collaborate with engineering and governance teams on lineage, metadata, access controls, and compliance (e.g., GDPR); Develop and maintain a data-product roadmap with versioning, documentation, and API endpoints; Craft external documentation such as data dictionaries, schema definitions, sample queries, and usage guides; Define and track adoption metrics (API calls, downloads, user feedback); Facilitate agile ceremonies to align teams on data-product goals; Mentor junior product team members o
        RESPONSABILITIES Translate business and technical needs into clear product requirements, including user stories, acceptance criteria, and data schemas; Prioritize data features and deliverables based on impact, effort, and strategic alignment; Define and enforce data quality standards (accuracy, completeness, timeliness) for published data sets; Collaborate with engineering and governance teams on lineage, metadata, access controls, and compliance (e.g., GDPR); Develop and maintain a data-product roadmap with versioning, documentation, and API endpoints; Craft external documentation such as data dictionaries, schema definitions, sample queries, and usage guides; Define and track adoption metrics (API calls, downloads, user feedback); Facilitate agile ceremonies to align teams on data-product goals; Mentor junior product team members o
        more
        Design, implement, and execute automated tests across multiple levels, including unit, integration, contract, API, end-to-end (e2e), and performance testing. * Experience with testing across various levels, including unit, integration, contract, API, e2e, and performance testing.
        Design, implement, and execute automated tests across multiple levels, including unit, integration, contract, API, end-to-end (e2e), and performance testing. * Experience with testing across various levels, including unit, integration, contract, API, e2e, and performance testing.
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        BI Data Developer

        ORBACH AND CHAMBERS LIMITED (Chambers and partners)
        London
        Competitive
        Working knowledge of creating data connections - e.g. SQL and relational databases, DataBricks, JSON files, API services, Data Lakes
        Working knowledge of creating data connections - e.g. SQL and relational databases, DataBricks, JSON files, API services, Data Lakes
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        Frequently Asked Questions

        How many contract API jobs are there in Mayfair?
        There are 40 contract API jobs within 20 miles of Mayfair available on CWJobs right now.

        Where in Mayfair are these contract jobs?
        You can find contract jobs in Millwall, Milton, Shadwell.

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