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19 Contract API jobs in Park Royal + 20 miles
236 exact matches jobs are outside your preferred location
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I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
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All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development - Required Skills & Qualific
All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development - Required Skills & Qualific
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Job Opportunity: SailPoint Engineer - Identity Security Cloud Specialist?? Location: London?? Type: Contract 6 Months Outside IR35?? Department: Cybersecurity / IAM - Up to £500/day Outside IR35?? We're looking for a SailPoint Engineer with a strong background in Identity Security Cloud solutions and technical identity recruitment processes. You will play a key role in streamlining our Identity and Access Management (IAM) by leveraging SailPoint's capabilities to ensure least-privilege access, enforce zero trust policies, and support full lifecycle identity governance - all while staying compliant with global regulations. * Design, configure, and maintain SailPoint IdentityNow and IdentityIQ solutions across cloud and on-prem environments. * Implement and optimize least-privilege access policies, automated role management, and real-time access monitoring.
Job Opportunity: SailPoint Engineer - Identity Security Cloud Specialist?? Location: London?? Type: Contract 6 Months Outside IR35?? Department: Cybersecurity / IAM - Up to £500/day Outside IR35?? We're looking for a SailPoint Engineer with a strong background in Identity Security Cloud solutions and technical identity recruitment processes. You will play a key role in streamlining our Identity and Access Management (IAM) by leveraging SailPoint's capabilities to ensure least-privilege access, enforce zero trust policies, and support full lifecycle identity governance - all while staying compliant with global regulations. * Design, configure, and maintain SailPoint IdentityNow and IdentityIQ solutions across cloud and on-prem environments. * Implement and optimize least-privilege access policies, automated role management, and real-time access monitoring.
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My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
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We are seeking a Security Architect to bridge the gap between governance, engineering, and business strategy. This role will focus on embedding security as code into enterprise ways of working, ensuring frameworks are practical, scalable, and enable rather than block delivery. You will help shape security policies and standards, then implement them directly in code to support developer adoption. Engineering & Delivery * Convert technology and governance standards into policies as code. * Integrate policies and controls via APIs. * Design and build scalable automation using AWS, Python, Terraform, and CI/CD tooling. * Drive adoption of security and governance through practical, developer-friendly solutions. Business Strategy & Governance * Translate governance objectives into actionable outcomes. * Define frameworks that align with enterprise priorities.
We are seeking a Security Architect to bridge the gap between governance, engineering, and business strategy. This role will focus on embedding security as code into enterprise ways of working, ensuring frameworks are practical, scalable, and enable rather than block delivery. You will help shape security policies and standards, then implement them directly in code to support developer adoption. Engineering & Delivery * Convert technology and governance standards into policies as code. * Integrate policies and controls via APIs. * Design and build scalable automation using AWS, Python, Terraform, and CI/CD tooling. * Drive adoption of security and governance through practical, developer-friendly solutions. Business Strategy & Governance * Translate governance objectives into actionable outcomes. * Define frameworks that align with enterprise priorities.
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Job Title: Salesforce Architect - Location: Northampton (Hybrid - 2-3 days on-site per week) Contract Duration: Until 31st December 2026 - Day Rate: £382.50 (Inside IR35) About the Role - We are looking for an experienced Salesforce Architect to lead the design and delivery of complex Salesforce solutions. In this pivotal role, you will shape the organisation's Salesforce platform strategy, ensuring alignment with business objectives while driving innovation and scalability. You will be responsible for creating robust, secure, and future-proof solutions across multiple Salesforce clouds, collaborating with business and technical teams, and providing leadership in governance, integration, and architectural best practices. Key Responsibilities - Solution Architecture & Design - Develop and maintain a Salesforce architecture roadmap, covering data models, integrations, a
Job Title: Salesforce Architect - Location: Northampton (Hybrid - 2-3 days on-site per week) Contract Duration: Until 31st December 2026 - Day Rate: £382.50 (Inside IR35) About the Role - We are looking for an experienced Salesforce Architect to lead the design and delivery of complex Salesforce solutions. In this pivotal role, you will shape the organisation's Salesforce platform strategy, ensuring alignment with business objectives while driving innovation and scalability. You will be responsible for creating robust, secure, and future-proof solutions across multiple Salesforce clouds, collaborating with business and technical teams, and providing leadership in governance, integration, and architectural best practices. Key Responsibilities - Solution Architecture & Design - Develop and maintain a Salesforce architecture roadmap, covering data models, integrations, a
Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months - All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift * Experience of CI/CD pipelines using GitHub an
Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months - All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift * Experience of CI/CD pipelines using GitHub an
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REST API development
REST API development
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API testing tools (e.g., Postman, REST Assured).
API testing tools (e.g., Postman, REST Assured).
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
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Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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Contribute to development and support of the Chat API (BFF) for client and service integrations.
Contribute to development and support of the Chat API (BFF) for client and service integrations.
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
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Ebury Connect is dedicated to helping clients with complex cross-border money flows by providing technology-driven payment automation through our public API stack. This is a critical role that requires a deep understanding of the travel industry, cross-border payments, and API-first product development. * Product Strategy & Vision : Define the product vision and roadmap for the travel vertical, focusing on integrated solutions delivered via our API stack. * API-First Development : Work with engineering teams to define and prioritize features for our public API stack, ensuring it supports the specific requirements of travel companies. * API & Integrated Solutions : Proven experience defining and executing product strategies for integrated solutions via APIs.
Ebury Connect is dedicated to helping clients with complex cross-border money flows by providing technology-driven payment automation through our public API stack. This is a critical role that requires a deep understanding of the travel industry, cross-border payments, and API-first product development. * Product Strategy & Vision : Define the product vision and roadmap for the travel vertical, focusing on integrated solutions delivered via our API stack. * API-First Development : Work with engineering teams to define and prioritize features for our public API stack, ensuring it supports the specific requirements of travel companies. * API & Integrated Solutions : Proven experience defining and executing product strategies for integrated solutions via APIs.
Experience of an API-first and services-led design approach, with the ability to use business requirements, user stories, data standards, and integration patterns to help to define services and APIs
Experience of an API-first and services-led design approach, with the ability to use business requirements, user stories, data standards, and integration patterns to help to define services and APIs
Support customers in achieving effective and efficient SDK and API integrations with Braze
Support customers in achieving effective and efficient SDK and API integrations with Braze
Good understanding of Web Services protocols such as REST and API design. -Understanding of industry IT Direction (Open Source, Cloud, DevOps, API economy, Big Data etc).
Good understanding of Web Services protocols such as REST and API design. -Understanding of industry IT Direction (Open Source, Cloud, DevOps, API economy, Big Data etc).
Skilled in designing and building REST APIs and understanding REST API architecture
Skilled in designing and building REST APIs and understanding REST API architecture
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API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
Our platform is powered by our REST APIs and everything is developed with an API-first approach.
Our platform is powered by our REST APIs and everything is developed with an API-first approach.
Implement functionality based on defined API
Implement functionality based on defined API
Related Jobs
Locations
- Greenwich
- Fivensgreen
- Frimley
- Holborn
- Mayfair
- Merryhill Green
- Osterley
- Southwark
- City of London
- Cambridge
- Reading
- Camberley
- Oxford
- South East London
- Basingstoke
- Central London
- East London
- West End
- London
- Berkshire
- Cambridgeshire
- Oxfordshire
- Surrey
- Buckinghamshire
- Hampshire
- Kent
- Northamptonshire
- West Sussex
- South East
- East Anglia
- East Midlands
- Midlands