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38 Contract API jobs in Essex + 10 miles

Java Developer

Data Inc. (UK) Ltd
W1, Central London
From £400 to £500 per day
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
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FEATUREDNEW

Senior Welding Engineer

First Technical Recruitment
TN4, Tunbridge Wells
Market related
Perform gap analyses of applicable design and fabrication codes (ASME, EN/ISO, DNV, API, AWS, ASTM). * Strong knowledge of international standards (ASME, EN/ISO, DNV, API, AWS, ASTM).
Perform gap analyses of applicable design and fabrication codes (ASME, EN/ISO, DNV, API, AWS, ASTM). * Strong knowledge of international standards (ASME, EN/ISO, DNV, API, AWS, ASTM).
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NEW

AWS Backend Developer

CEI England Limited T/A CEI GB
Isleworth, London, TW7 5QD
£345 per day
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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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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NEW
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.
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FEATURED

Contract Product Owner

La Fosse
SW1, South West London
£500 - 600 per day
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
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FEATUREDNEW
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.
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FEATUREDNEW

Dynatrace Architect

LA International Computer Consultants Ltd
Lambeth, SE1 7ND
£500 - £600 per day
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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NEW
Cardiff Based - Hybrid Working - A large financial organisation is seeking a diligent Business Test Analyst to support the development of business test strategies and test plans. This role involves collaborating with various stakeholders to ensure the delivery of high-quality testing outcomes that align with business requirements. Responsibilities * Contribute to and support the development of business test strategies and test plans across multiple markets. * Demonstrate strong capabilities in functional and business acceptance testing while collaborating effectively with business stakeholders. * Translate business requirements and operational workflows into test scenarios and relevant test cases. * Define, document, and maintain business test scenarios and test cases in collaboration with business stakeholders, analysts, and product teams.
Cardiff Based - Hybrid Working - A large financial organisation is seeking a diligent Business Test Analyst to support the development of business test strategies and test plans. This role involves collaborating with various stakeholders to ensure the delivery of high-quality testing outcomes that align with business requirements. Responsibilities * Contribute to and support the development of business test strategies and test plans across multiple markets. * Demonstrate strong capabilities in functional and business acceptance testing while collaborating effectively with business stakeholders. * Translate business requirements and operational workflows into test scenarios and relevant test cases. * Define, document, and maintain business test scenarios and test cases in collaboration with business stakeholders, analysts, and product teams.
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PREMIUMNEW
Contract .NET Developer - £500-550pd .NET | Azure | C# | SQL | Insurance - Location:Central London 2 days pw - Senior .NET Engineer required by our established Insurance client, to work on their market-leading product utilizing the .NET stack. Recognized as a leading InsureTech, you will be working in a growing technology team renowned for its high-performance engineering environment. * Backend software development experience, with expertise in C#, .NET, SQL and Azure. * Proficient in designing and developing APIs with a focus on performance, scalability, and security. * Extensive experience in cloud environments (preferably MS Azure), specializing in microservices and serverless architecture. * Familiarity with JavaScript and/or TypeScript and ReactJS. * Proficiency in agile methodologies and cross-team collaboration.
Contract .NET Developer - £500-550pd .NET | Azure | C# | SQL | Insurance - Location:Central London 2 days pw - Senior .NET Engineer required by our established Insurance client, to work on their market-leading product utilizing the .NET stack. Recognized as a leading InsureTech, you will be working in a growing technology team renowned for its high-performance engineering environment. * Backend software development experience, with expertise in C#, .NET, SQL and Azure. * Proficient in designing and developing APIs with a focus on performance, scalability, and security. * Extensive experience in cloud environments (preferably MS Azure), specializing in microservices and serverless architecture. * Familiarity with JavaScript and/or TypeScript and ReactJS. * Proficiency in agile methodologies and cross-team collaboration.
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La Fosse are currently partnered with a customer who are looking to recruit a Cloud and Infrastructure Engineer into their team, on an initial 6 month contract, with a view to extend to 12 months. This role is outside IR35, paying £500 per day and will be 50/50 between office and home working. The office location for this role is Central London. We are looking for a highly motivated Cloud Infrastructure Engineer to build and manage our cloud estate. As the Cloud Infrastructure Engineer you will work alongside our developers, data engineers and 3rd party vendors to build and design both internally built workloads and off the shelf solutions in a resilient and reliable manner. You will also be providing both reactive and pro-active operational support of the environment. * Extensive hands-on cloud infrastructure management including backups, disaster recovery, specifica
La Fosse are currently partnered with a customer who are looking to recruit a Cloud and Infrastructure Engineer into their team, on an initial 6 month contract, with a view to extend to 12 months. This role is outside IR35, paying £500 per day and will be 50/50 between office and home working. The office location for this role is Central London. We are looking for a highly motivated Cloud Infrastructure Engineer to build and manage our cloud estate. As the Cloud Infrastructure Engineer you will work alongside our developers, data engineers and 3rd party vendors to build and design both internally built workloads and off the shelf solutions in a resilient and reliable manner. You will also be providing both reactive and pro-active operational support of the environment. * Extensive hands-on cloud infrastructure management including backups, disaster recovery, specifica
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FEATUREDNEW

Angular Frontend Developer (SC Cleared)

JLA Resourcing Ltd
TW12, Hampton
up to £550 per day Inside IR35
Role: Angular Frontend Developer (SC Cleared) Location: Hybrid - One day a week onsite in West London - Contract: Initial 3 months - Rate: Up to £550 per day - Start: ASAP - IR35 Status: Inside IR35 - This role has been deemed Inside IR35 and will require you to work through an umbrella company. The Opportunity - We are looking an SC Cleared Frontend Developer to lead the design, development, and implementation of a complex front-end development project. You will play a key role in delivering innovative UI solutions that align with project objectives and business goals. This is a hybrid role, requiring one day a week onsite in West Sussex, paying a daily rate of up to £550 per day, with an initial 3-month contract. There is a high probability that the contract will extend past this initial period. Given the sensitive nature of our work, the candidate will need to hold
Role: Angular Frontend Developer (SC Cleared) Location: Hybrid - One day a week onsite in West London - Contract: Initial 3 months - Rate: Up to £550 per day - Start: ASAP - IR35 Status: Inside IR35 - This role has been deemed Inside IR35 and will require you to work through an umbrella company. The Opportunity - We are looking an SC Cleared Frontend Developer to lead the design, development, and implementation of a complex front-end development project. You will play a key role in delivering innovative UI solutions that align with project objectives and business goals. This is a hybrid role, requiring one day a week onsite in West Sussex, paying a daily rate of up to £550 per day, with an initial 3-month contract. There is a high probability that the contract will extend past this initial period. Given the sensitive nature of our work, the candidate will need to hold
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Mechanical Shift Leader

GH Engage Limited
The City, EC2M 7PY
£62000 - £65500 per annum + 9% Pension, 26 shifts annual leave, & more
*Exceptional client-side benefits (listed below). - Commercial Building Maintenance - Continental Shift Pattern (days & nights) Are you a fully qualified Mechanical Maintenance Engineer? Do you have experience working within business-critical environments? Due to contract expansion, we are currently recruiting for an experienced Critical Maintenance Supervisor to work within a high-end corporate/critical premises within the City of London carrying out PPMs and Reactive Maintenance within a team of engineers. This role is working on a day and night shift basis. There is no call out on the contract but there is available paid overtime. * Carry out PPMs and Reactive Maintenance duties. * AHUs/FCUs (coil cleans, filter changes, belt changes), boiler resets, chiller checks, heat exchangers, pressurisation units, booster sets, cooling towers, expansion valves, basic water .
*Exceptional client-side benefits (listed below). - Commercial Building Maintenance - Continental Shift Pattern (days & nights) Are you a fully qualified Mechanical Maintenance Engineer? Do you have experience working within business-critical environments? Due to contract expansion, we are currently recruiting for an experienced Critical Maintenance Supervisor to work within a high-end corporate/critical premises within the City of London carrying out PPMs and Reactive Maintenance within a team of engineers. This role is working on a day and night shift basis. There is no call out on the contract but there is available paid overtime. * Carry out PPMs and Reactive Maintenance duties. * AHUs/FCUs (coil cleans, filter changes, belt changes), boiler resets, chiller checks, heat exchangers, pressurisation units, booster sets, cooling towers, expansion valves, basic water .
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NEW
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.
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PREMIUM
6 months - Remote - Inside IR35 - Umbrella only - We are seeking a highly technical ServiceNow Developer with in-depth expertise in IT Service Management (ITSM) and IT Operations Management (ITOM). The ideal candidate will design, develop, and implement solutions within the ServiceNow platform, optimizing IT processes and ensuring seamless service delivery in complex IT environments. * ServiceNow Development: Customize and configure ITSM and ITOM modules, including Incident, Change, Problem, Request Management, Discovery, Event Management, and Orchestration. * Technical Expertise: Develop and maintain workflows, scripts, and integrations to support ITSM/ITOM functionalities. * Collaboration: Work closely with cross-functional teams to align ServiceNow implementations with organizational goals. * Troubleshooting: Identify and resolve technical issues within the Service
6 months - Remote - Inside IR35 - Umbrella only - We are seeking a highly technical ServiceNow Developer with in-depth expertise in IT Service Management (ITSM) and IT Operations Management (ITOM). The ideal candidate will design, develop, and implement solutions within the ServiceNow platform, optimizing IT processes and ensuring seamless service delivery in complex IT environments. * ServiceNow Development: Customize and configure ITSM and ITOM modules, including Incident, Change, Problem, Request Management, Discovery, Event Management, and Orchestration. * Technical Expertise: Develop and maintain workflows, scripts, and integrations to support ITSM/ITOM functionalities. * Collaboration: Work closely with cross-functional teams to align ServiceNow implementations with organizational goals. * Troubleshooting: Identify and resolve technical issues within the Service
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FEATUREDNEW

D365 CRM Developer

La Fosse
Victoria, SW1
£600 - 650 per day + outside IR35
Hybrid wiorking - 2 days a week in London - We are seeking an experienced D365 CRM Developer to join our team on a 6-month contract basis to support the upgrade of our CRM system from Dynamics 2011 to D365 CE (Customer Engagement) Online. * Upgrade Support: Assist in the migration of CRM data, customizations, and configurations from Dynamics 2011 to D365 CE Online. * Customisation & Development: Develop custom plugins, workflows, and integrations within Dynamics 365 CRM using C#, JavaScript, and Power Platform tools (Power Automate, PowerApps, etc.). * Troubleshooting & Issue Resolution: Provide technical support during the migration and resolve any issues related to the upgrade process. * System Configuration & Customization: Configure and customize D365 CRM modules, including Sales, Customer Service, and Marketing, to meet business requirements.
Hybrid wiorking - 2 days a week in London - We are seeking an experienced D365 CRM Developer to join our team on a 6-month contract basis to support the upgrade of our CRM system from Dynamics 2011 to D365 CE (Customer Engagement) Online. * Upgrade Support: Assist in the migration of CRM data, customizations, and configurations from Dynamics 2011 to D365 CE Online. * Customisation & Development: Develop custom plugins, workflows, and integrations within Dynamics 365 CRM using C#, JavaScript, and Power Platform tools (Power Automate, PowerApps, etc.). * Troubleshooting & Issue Resolution: Provide technical support during the migration and resolve any issues related to the upgrade process. * System Configuration & Customization: Configure and customize D365 CRM modules, including Sales, Customer Service, and Marketing, to meet business requirements.
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FEATUREDNEW

Test Analyst

Sanderson Recruitment
WD17, Watford
£300 - £325 per day
£300pd - £325pd (Outside IR35) / Watford / 2x days a week - 6 Months - A market leading Testing consultancy are recruiting for a number of Test Analysts with experience in either the gaming or betting industry to join a large programme of work. These roles will be based in London 2 days a week. Experience / Skills - Experience of the either Betting or Gaming industry is a must have * Practical knowledge of waterfall and agile test design techniques within an agile environment * To collaborate in requirements analysis to base testing and quality activities around * Experience with testing RESTful APIs * Experience testing 3rd party applications and enterprise solutions * To be able to follow a defect management process * ISEB Foundation/ISEB Intermediate/Certified Agile Tester or similar level of * Experience using test and defect management tools
£300pd - £325pd (Outside IR35) / Watford / 2x days a week - 6 Months - A market leading Testing consultancy are recruiting for a number of Test Analysts with experience in either the gaming or betting industry to join a large programme of work. These roles will be based in London 2 days a week. Experience / Skills - Experience of the either Betting or Gaming industry is a must have * Practical knowledge of waterfall and agile test design techniques within an agile environment * To collaborate in requirements analysis to base testing and quality activities around * Experience with testing RESTful APIs * Experience testing 3rd party applications and enterprise solutions * To be able to follow a defect management process * ISEB Foundation/ISEB Intermediate/Certified Agile Tester or similar level of * Experience using test and defect management tools
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FEATURED

What is the average salary for API in Essex?

Average salary per year
£47,499

The average salary for a API in Essex is £47,499. API in Essex salaries range from £37,499 to £47,499.

Frequently Asked Questions

How many contract API jobs are there in Essex?
There are 38 contract API jobs within 10 miles of Essex available on Totaljobs right now.
Where in Essex are these contract jobs?
You can find contract jobs in Chigwell, Colchester, Southend-On-Sea.
What other similar jobs are there to contract API jobs in Essex?
As well as contract API jobs in Essex, you can find contract Junior Cloud Engineer, Servicenow, Service, amongst many others.