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Experience implementing REST APIs (knowledge in API security would be a plus), unit tests and using a test-driven development approach and associated testing tools
Experience implementing REST APIs (knowledge in API security would be a plus), unit tests and using a test-driven development approach and associated testing tools
FEATUREDNEW
Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
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Senior Test Engineer – AWS Node Testing – Accounts
Senior Test Engineer – AWS Node Testing – Accounts
Spyrosoft Ltd
London
FTC (full-time) + benefits + pension
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
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It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
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Experience with REST and SOAP API integrations
Experience with REST and SOAP API integrations
Automation Engineer - Banking
Automation Engineer - Banking
Essential Consulting
EC1, City of London
Unspecified Competitive Daily Rate (inside IR35)
Experience of converting vendor API's into useable/easy to consume offerings delivered via a third party platform
Experience of converting vendor API's into useable/easy to consume offerings delivered via a third party platform
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Up to £600 per day Outside IR35 - London (Hybrid) The Role - As a Product Owner with a specialist focus on data mapping, you’ll be at the heart of enabling robust, scalable, and intelligent data flows across our internal systems. You'll define and deliver product capabilities that ensure seamless data flow between systems, APIs, and third-party platforms, driving clarity, consistency, and business value across our data landscape. * Own the data mapping product area from vision to execution. * Translate business needs into detailed data mapping requirements and user stories. * Collaborate with engineering, data, and compliance teams to implement mappings across internal systems. * Ensure data accuracy, consistency, and traceability across the platform. * Maintain documentation and support agile delivery practices.
Up to £600 per day Outside IR35 - London (Hybrid) The Role - As a Product Owner with a specialist focus on data mapping, you’ll be at the heart of enabling robust, scalable, and intelligent data flows across our internal systems. You'll define and deliver product capabilities that ensure seamless data flow between systems, APIs, and third-party platforms, driving clarity, consistency, and business value across our data landscape. * Own the data mapping product area from vision to execution. * Translate business needs into detailed data mapping requirements and user stories. * Collaborate with engineering, data, and compliance teams to implement mappings across internal systems. * Ensure data accuracy, consistency, and traceability across the platform. * Maintain documentation and support agile delivery practices.
FEATUREDNEW
You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
FEATUREDNEW
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Head Of Infrastructure Architecture
Head Of Infrastructure Architecture
Magnus Partners Talent Solutions
London
Competitive day rate (or equivalent)
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
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Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
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Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
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Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
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Job Title: D365 CE Developer (Contract) Location: Central London (Hybrid – 3 days onsite per week) Contract Duration: 3 Months - Outside IR35 - We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer for a 3-month contract. The ideal candidate will have strong experience in data migration and system integration within the D365 CE environment. This hybrid role requires 3 days per week onsite in Central London. * Develop and customise solutions in Dynamics 365 CE * Lead and support data migration activities * Integrate D365 CE with external systems using APIs and middleware * Collaborate with business and technical teams to ensure seamless delivery * Proven experience as a D365 CE Developer * Strong skills in data migration and integration * Hands-on experience with Power Platform, JavaScript, plug-ins, and workflows
Job Title: D365 CE Developer (Contract) Location: Central London (Hybrid – 3 days onsite per week) Contract Duration: 3 Months - Outside IR35 - We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer for a 3-month contract. The ideal candidate will have strong experience in data migration and system integration within the D365 CE environment. This hybrid role requires 3 days per week onsite in Central London. * Develop and customise solutions in Dynamics 365 CE * Lead and support data migration activities * Integrate D365 CE with external systems using APIs and middleware * Collaborate with business and technical teams to ensure seamless delivery * Proven experience as a D365 CE Developer * Strong skills in data migration and integration * Hands-on experience with Power Platform, JavaScript, plug-ins, and workflows
FEATUREDNEW
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Automation Developer
Automation Developer
Networking People (UK) Limited
London
£550 - £600 per day + Deemed Inside IR35 via Umbrella solution
Contract: Automation Python Developer - Start Date: ASAP - Duration: 6 months - Location: Remote working (possible occasional travel to London site) Rate: £550 - 600 a day (Deemed Inside IR35 via umbrella solution) We are urgently seeking an experienced Automation Developer (With Python and Jinja2 expertise) to join a major financial services organisation on a business-critical infrastructure modernisation and automation programme. This is a fantastic opportunity to play a key role in delivering cutting-edge automation solutions within a dynamic and forward-thinking environment. * Assist with migrating multi-tenanted network services onto a new platform. * Drive improvements in the UAT process through automation. * Build automation capabilities for infrastructure testing. * Develop and enhance reusable infrastructure automation patterns to support a holistic automatio
Contract: Automation Python Developer - Start Date: ASAP - Duration: 6 months - Location: Remote working (possible occasional travel to London site) Rate: £550 - 600 a day (Deemed Inside IR35 via umbrella solution) We are urgently seeking an experienced Automation Developer (With Python and Jinja2 expertise) to join a major financial services organisation on a business-critical infrastructure modernisation and automation programme. This is a fantastic opportunity to play a key role in delivering cutting-edge automation solutions within a dynamic and forward-thinking environment. * Assist with migrating multi-tenanted network services onto a new platform. * Drive improvements in the UAT process through automation. * Build automation capabilities for infrastructure testing. * Develop and enhance reusable infrastructure automation patterns to support a holistic automatio
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.Net Developer - GDS, OOAD, .Net Core, RESTful
.Net Developer - GDS, OOAD, .Net Core, RESTful
Hays Technology
London
£400.0 - £420.0 per annum + Up to £420pd (Outside IR35)
Strong knowledge and working use of .Net Core and RESTful web services (API).
Strong knowledge and working use of .Net Core and RESTful web services (API).
FEATURED
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
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We are looking for a candidate that is used to working in a lean team and able to manage the API integration workstream.
We are looking for a candidate that is used to working in a lean team and able to manage the API integration workstream.
FEATUREDNEW
Are you passionate about building world-class API platforms that enable innovation at scale? A fast-growing FinTech is seeking a Platform Product Owner to shape the future of their API services – supporting both internal engineering teams and external partners. * Proven experience managing credit platforms/API product from a FinTech or financial sercvices business
Are you passionate about building world-class API platforms that enable innovation at scale? A fast-growing FinTech is seeking a Platform Product Owner to shape the future of their API services – supporting both internal engineering teams and external partners. * Proven experience managing credit platforms/API product from a FinTech or financial sercvices business
FEATUREDNEW
A global Tech Company requires a Contract hands on Technical OneTrust SME to support the design, configuration, and integration of OneTrust’s Data Privacy Management suite—particularly focused on DSAR automation, API-based integrations, and data redaction workflows. * Set up API integrations between OneTrust and third-party systems such as Slack, Gmail, Microsoft 365, ServiceNow, or internal databases
A global Tech Company requires a Contract hands on Technical OneTrust SME to support the design, configuration, and integration of OneTrust’s Data Privacy Management suite—particularly focused on DSAR automation, API-based integrations, and data redaction workflows. * Set up API integrations between OneTrust and third-party systems such as Slack, Gmail, Microsoft 365, ServiceNow, or internal databases
FEATUREDNEW
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Job Description Designing, developing, and testing integration solutions using the Mulesoft Anypoint Platform. This includes creating and managing APIs, working with various integration patterns, and collaborating with other teams to ensure seamless data flow and application connectivity.
Job Description Designing, developing, and testing integration solutions using the Mulesoft Anypoint Platform. This includes creating and managing APIs, working with various integration patterns, and collaborating with other teams to ensure seamless data flow and application connectivity.
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Draft new API extensions and write specifications.- Prototype interface changes and proposals. * Hands-on experience with one or more of the following API's: Vulkan, OpenGL ES, Metal, DirectX11 or DirectX12.
Draft new API extensions and write specifications.- Prototype interface changes and proposals. * Hands-on experience with one or more of the following API's: Vulkan, OpenGL ES, Metal, DirectX11 or DirectX12.
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The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
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The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY "Application Architect with experience of working in a distributed enterprise landscape.
6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY "Application Architect with experience of working in a distributed enterprise landscape.
FEATUREDNEW
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Be aware they maybe needed onsite 2/3 days a week - London - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members - Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape. Some experience of broad spectrum integration patterns, web services, xml, wsdl, json/REST, APIs, batch workloads.
Be aware they maybe needed onsite 2/3 days a week - London - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members - Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape. Some experience of broad spectrum integration patterns, web services, xml, wsdl, json/REST, APIs, batch workloads.
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Related Jobs
Locations
- Bedfordshire
- Milton Keynes
- Luton
- Northampton
- Cambridgeshire
- Northamptonshire
- Kettering
- Buckinghamshire
- Stevenage
- Stewartby
- London
- Cambridge
- Leicester
- Coventry
- Peterborough
- Birmingham
- Hertfordshire
- Sheffield
- Bristol
- South East
- Wolverhampton
- City of London
- Oxford
- Halifax
- Ipswich
- Liverpool
- Nottingham
- Essex
- East Midlands
- Watford
- North West
- Middlesbrough
- Swindon
- East Anglia
- Yorkshire
- Glasgow
- Hampshire
- Dartford
- Bradford
- Uxbridge
- Central London
- Warrington