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        10 Contract API jobs in Basildon + 20 miles

        Graduate Data Analyst - Python

        CV Screen Ltd
        Greenwich, South East London (SE10), SE10
        £28k - 33k per year + Benefits
        Understanding of data visualisation and basic API integration concepts.
        Understanding of data visualisation and basic API integration concepts.

        Senior Full Stack Web Developer

        Profile 29
        Loughton (IG10), IG10
        From £80,000 to £100,000 per annum + benefits (see advert)
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        more

        Senior Full Stack Web Developer

        Profile 29
        Loughton (IG10), IG10
        From £80,000 to £100,000 per annum + benefits (see advert)
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        more

        Senior Full Stack Web Developer

        Profile 29
        Loughton (IG10), IG10
        From £80,000 to £100,000 per annum + benefits (see advert)
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
        more

        Delphi Developer

        Octad Recruitment Consultants (Octad Ltd )
        Wickford (SS11)
        From £50,000 to £70,000 per annum Good Benefits
        We are seeking an experienced Delphi / SQL Developerto join our client's growing development team and work on large-scale, business-critical enterprise applications used by global clients. This is a senior technical role focused on maintaining, enhancing, and modernising a complex Delphi-based system with a strong SQL Server backend. If you enjoy solving complex problems, working with mature codebases, and contributing to long-term system stability, this role will suit you perfectly. Key Responsibilities * Maintain, support, and enhance existing Delphi enterprise applications. * Diagnose and resolve complex defects, performance issues, and system bottlenecks. * Work closely with business users to translate requirements into technical solutions. * Produce clear documentation for updates, fixes, and new features. * Participate in sprint planning, estimation, and code reviews.
        We are seeking an experienced Delphi / SQL Developerto join our client's growing development team and work on large-scale, business-critical enterprise applications used by global clients. This is a senior technical role focused on maintaining, enhancing, and modernising a complex Delphi-based system with a strong SQL Server backend. If you enjoy solving complex problems, working with mature codebases, and contributing to long-term system stability, this role will suit you perfectly. Key Responsibilities * Maintain, support, and enhance existing Delphi enterprise applications. * Diagnose and resolve complex defects, performance issues, and system bottlenecks. * Work closely with business users to translate requirements into technical solutions. * Produce clear documentation for updates, fixes, and new features. * Participate in sprint planning, estimation, and code reviews.
        more

        .NET Developer

        Octad Recruitment Consultants (Octad Ltd )
        Wickford (SS11)
        From £35,000 to £55,000 per annum Good Benefits
        Were looking for a talented .NET Windows Developerto help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with:C#, .NET / .NET Core, WinForms/WPF, SQL Server, REST APIs, Azure Ideal for:Developers who love problem-solving, clean architecture, and delivering production-ready software. If youre ready to take on meaningful technical challenges in a supportive, forward-thinking team, wed love to hear from you if you have 3 years commercial experience. This role is hybrid with Monday and Wednesday in the office
        Were looking for a talented .NET Windows Developerto help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with:C#, .NET / .NET Core, WinForms/WPF, SQL Server, REST APIs, Azure Ideal for:Developers who love problem-solving, clean architecture, and delivering production-ready software. If youre ready to take on meaningful technical challenges in a supportive, forward-thinking team, wed love to hear from you if you have 3 years commercial experience. This role is hybrid with Monday and Wednesday in the office
        more
        Senior Application Operations Engineer - M25 - Highways - Permanent - Apply Now... About the Role - Step into a role that offers genuine growth, long-term stability and the chance to make a meaningful impact on one of the UK's most significant highways networks. As a Senior Application Operations Engineer , you will play a pivotal role in shaping how we manage and maintain the Brightly Confirm (RMMS) system-an essential platform supporting the safe and efficient operation of the M25. With just under 15 years remaining on this major project , this is an opportunity to build a lasting career while contributing to the continuous improvement of digital systems that keep our network moving. You will be part of an evolving organisation that values innovation, collaboration and forward thinking. Whether you're motivated by technical challenge, career progression or the chance to leave a ...
        Senior Application Operations Engineer - M25 - Highways - Permanent - Apply Now... About the Role - Step into a role that offers genuine growth, long-term stability and the chance to make a meaningful impact on one of the UK's most significant highways networks. As a Senior Application Operations Engineer , you will play a pivotal role in shaping how we manage and maintain the Brightly Confirm (RMMS) system-an essential platform supporting the safe and efficient operation of the M25. With just under 15 years remaining on this major project , this is an opportunity to build a lasting career while contributing to the continuous improvement of digital systems that keep our network moving. You will be part of an evolving organisation that values innovation, collaboration and forward thinking. Whether you're motivated by technical challenge, career progression or the chance to leave a ...
        more

        387 exact matches jobs are outside your preferred location

        Akamai L3 SME

        Stackstudio Digital Ltd.
        London
        From £500 to £550 per day
        Manage and optimize Akamai security suites including: WAF, L7 Anti DDoS, Bot Manager Premier, API Security, Site Shield, API Acceleration. Akamai certifications (WAF, DDoS, Bot Manager, API Protector, Site Shield) are a strong plus.
        Manage and optimize Akamai security suites including: WAF, L7 Anti DDoS, Bot Manager Premier, API Security, Site Shield, API Acceleration. Akamai certifications (WAF, DDoS, Bot Manager, API Protector, Site Shield) are a strong plus.
        more

        Lead .Net Developer

        Halian Technology Limited
        Central London (W1)
        From £75,000 to £85,000 per annum Plus bonus and benfits
        Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
        Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
        more
        Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
        Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
        more
        FEATURED

        SIT Test Analyst - PMS

        Hays
        London
        £500.0 - £600.0 per annum + £600 Per Day Inside IR35
        Proficiency in API testing tools (Postman, SOAP UI), SQL for data validation, and test management platforms such as Azure DevOps.
        Proficiency in API testing tools (Postman, SOAP UI), SQL for data validation, and test management platforms such as Azure DevOps.
        more
        Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
        Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
        more
        At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, What's the role all about? As a Senior Solutions Architect, you will design, build, and implement advanced Conversational AI solutions for our customers and partners. Acting as a highly experienced individual contributor, you will manage high-impact projects, provide deep technical insights, and ensure customers achieve maximum value from our platform. How will you make an impact? * Advanced Post-Sales Consulting & Implementation: Drive complex projects from pilot/Proof of Concept (PoC) to full implementation, ensuring scalable and high-performance solutions for enterprise clients.
        At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, What's the role all about? As a Senior Solutions Architect, you will design, build, and implement advanced Conversational AI solutions for our customers and partners. Acting as a highly experienced individual contributor, you will manage high-impact projects, provide deep technical insights, and ensure customers achieve maximum value from our platform. How will you make an impact? * Advanced Post-Sales Consulting & Implementation: Drive complex projects from pilot/Proof of Concept (PoC) to full implementation, ensuring scalable and high-performance solutions for enterprise clients.
        more

        Integration Architect - Boomi

        INFUSED SOLUTIONS LIMITED
        London
        £650 - £750 per day + market rate
        A market leading client is looking for an Integration Architect who has strong Integration experience with Boomi. As an Integration Architect you will shape, design, and deliver modern integration solutions across a diverse enterprise landscape. This is a pivotal role for someone who thrives on solving complex problems, influencing technology direction, and enabling seamless connectivity across systems, data, and business processes. Responsibilities * Analyse business needs and objectives and provide strategic guidance on integration of IT systems. * Excellent Integration experience using Boomi. * Architect and guide integration patterns across Verint, Appian, and other enterprise platforms. * Communicate and present enterprise architecture vision and recommendations to senior management and stakeholders.
        A market leading client is looking for an Integration Architect who has strong Integration experience with Boomi. As an Integration Architect you will shape, design, and deliver modern integration solutions across a diverse enterprise landscape. This is a pivotal role for someone who thrives on solving complex problems, influencing technology direction, and enabling seamless connectivity across systems, data, and business processes. Responsibilities * Analyse business needs and objectives and provide strategic guidance on integration of IT systems. * Excellent Integration experience using Boomi. * Architect and guide integration patterns across Verint, Appian, and other enterprise platforms. * Communicate and present enterprise architecture vision and recommendations to senior management and stakeholders.
        more

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        Frequently Asked Questions

        How many contract API jobs are there in Basildon?
        There are 10 contract API jobs within 20 miles of Basildon available on CWJobs right now.

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