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        61 API jobs in Essex + 20 miles

        203 exact matches jobs are outside your preferred location

        Frontend / UI Engineer (SC clearance)

        LA International Computer Consultants Ltd
        London
        Market Rates
        Our Client are looking for an SC cleared Frontend Engineer who thrives in environments where information is dense, the interface is critical, and the work matters. You excel at building responsive, intuitive UIs that surface complex machine learning insights to end users with clarity and usability. You care about the user journey as much as the underlying data, and you are motivated by delivering real-world impact in demanding operational settings. * Design and implement frontend interfaces that support live and retrospective exploration of data from complex systems * Build and iterate on React-based UIs for transcription review, dynamic querying, and data visualisation * Integrate user-facing features with backend APIs and machine learning services, including LLM outputs, NLP pipelines and structured data stores
        Our Client are looking for an SC cleared Frontend Engineer who thrives in environments where information is dense, the interface is critical, and the work matters. You excel at building responsive, intuitive UIs that surface complex machine learning insights to end users with clarity and usability. You care about the user journey as much as the underlying data, and you are motivated by delivering real-world impact in demanding operational settings. * Design and implement frontend interfaces that support live and retrospective exploration of data from complex systems * Build and iterate on React-based UIs for transcription review, dynamic querying, and data visualisation * Integrate user-facing features with backend APIs and machine learning services, including LLM outputs, NLP pipelines and structured data stores
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        NEW
        Hays Software Engineering are looking for a Senior Filemaker Developer to join a globally recognised entertainment business at a crucial time to assist with pushing the business forward. * Design, test, and deploy solutions within the FileMaker ecosystem * Direct all stages of the software development lifecycle * Collaborate with the accounts team to define enhancement requirements * Manage the ticketing support system and provide regular status updates * Apply advanced programming techniques and implement data separation, integrate APIs (Google, HMRC, banking platforms), optimise relational databases, configure FileMaker Server (FMS), and utilise the Monkey Bread plug-in suite. * Adopt best practices to improve data retrieval speed and efficiency * Maintain thorough documentation and produce clear user manuals for system updates and changes
        Hays Software Engineering are looking for a Senior Filemaker Developer to join a globally recognised entertainment business at a crucial time to assist with pushing the business forward. * Design, test, and deploy solutions within the FileMaker ecosystem * Direct all stages of the software development lifecycle * Collaborate with the accounts team to define enhancement requirements * Manage the ticketing support system and provide regular status updates * Apply advanced programming techniques and implement data separation, integrate APIs (Google, HMRC, banking platforms), optimise relational databases, configure FileMaker Server (FMS), and utilise the Monkey Bread plug-in suite. * Adopt best practices to improve data retrieval speed and efficiency * Maintain thorough documentation and produce clear user manuals for system updates and changes
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        NEW
        Job Title: Firewall Engineer - Location: London or Gloucester (Hybrid) Contract Type: 6 months, Inside IR35 - Day Rate:£360 - The Role - Were looking for a skilled Firewall Engineer with active UK SC Clearance to join on a 6-month contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong experience across multiple vendors (Palo Alto, Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities * Configure, implement, and manage firewall solutions across multi-vendor environments * Review, optimise, and enforce firewall rules and policies * Support migrations and replacement projects for firewall infrastructure
        Job Title: Firewall Engineer - Location: London or Gloucester (Hybrid) Contract Type: 6 months, Inside IR35 - Day Rate:£360 - The Role - Were looking for a skilled Firewall Engineer with active UK SC Clearance to join on a 6-month contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong experience across multiple vendors (Palo Alto, Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities * Configure, implement, and manage firewall solutions across multi-vendor environments * Review, optimise, and enforce firewall rules and policies * Support migrations and replacement projects for firewall infrastructure
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        NEW

        Python Developer

        McGregor Boyall Associates Limited
        London
        £600 - £700 per day
        Join a global financial services leader at the forefront of electronic trading infrastructure. They are looking for a skilled Python Software Engineer to contribute to cutting-edge automation tools powering low-latency trading systems. This is a Senior engineering role within a high-impact team shaping infrastructure for global markets. What You'll Do * Design, build, and maintain automation tools supporting electronic trading infrastructure * Take ownership of components from design to deployment * Collaborate across teams in a fast-paced, regulated environment?? Tech You'll Work With * Core Python with OOP, data structures, and regex * Linux CLI, debugging with tcpdump, strace, etc. * Git, Jenkins, TDD, and CI pipelines * RESTful APIs, Ansible (bonus), and even Golang (bonus)? What We're Looking For * Strong Python development skills and testing experience
        Join a global financial services leader at the forefront of electronic trading infrastructure. They are looking for a skilled Python Software Engineer to contribute to cutting-edge automation tools powering low-latency trading systems. This is a Senior engineering role within a high-impact team shaping infrastructure for global markets. What You'll Do * Design, build, and maintain automation tools supporting electronic trading infrastructure * Take ownership of components from design to deployment * Collaborate across teams in a fast-paced, regulated environment?? Tech You'll Work With * Core Python with OOP, data structures, and regex * Linux CLI, debugging with tcpdump, strace, etc. * Git, Jenkins, TDD, and CI pipelines * RESTful APIs, Ansible (bonus), and even Golang (bonus)? What We're Looking For * Strong Python development skills and testing experience
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        NEW
        UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
        UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
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        NEWFEATURED
        Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
        Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
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        NEW

        Engineering manager

        The Bridge (IT Recruitment) Limited
        London
        £0 per year + None
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
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        Agile Project Manager, ideally with expereince of Salesforce Education Cloud, or similar SaaS platforms is required to support our London University client to deliver the implementation of Salesforce Education Cloud and associated systems. The Agile Project Manager will be tasked with leading the day-to-day management of Salesforce Education Cloud implementation, leading the Agile delivery of the Salesforce Education Cloud platform and associated initiatives (UX, AI tools, dashboards). Essential Experience * Experience of managing large-scale digital transformation or CRM/ERP implementations. * Strong understanding of delivery and integration of Salesforce (ideally Education Cloud) or similar SaaS platforms. * Experience working with multiple suppliers in a complex stakeholder environment. * Strong stakeholder management, particularly in Higher Education or similar pu
        Agile Project Manager, ideally with expereince of Salesforce Education Cloud, or similar SaaS platforms is required to support our London University client to deliver the implementation of Salesforce Education Cloud and associated systems. The Agile Project Manager will be tasked with leading the day-to-day management of Salesforce Education Cloud implementation, leading the Agile delivery of the Salesforce Education Cloud platform and associated initiatives (UX, AI tools, dashboards). Essential Experience * Experience of managing large-scale digital transformation or CRM/ERP implementations. * Strong understanding of delivery and integration of Salesforce (ideally Education Cloud) or similar SaaS platforms. * Experience working with multiple suppliers in a complex stakeholder environment. * Strong stakeholder management, particularly in Higher Education or similar pu
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        Full Stack Developer

        Rise Technical
        London
        £60000.00 - £70000.00 per annum + + Equity
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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        NEW
        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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        NEW
        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
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        Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
        Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
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        Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
        Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
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        Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
        Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
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        Collaborate on API design for data access patterns * Experience with both REST API and GraphQL endpoint development * AWS experience preferred (EC2, RDS, Lambda, API Gateway, etc.)
        Collaborate on API design for data access patterns * Experience with both REST API and GraphQL endpoint development * AWS experience preferred (EC2, RDS, Lambda, API Gateway, etc.)
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        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 API jobs are there in Essex?
        There are 61 API jobs within 20 miles of Essex available on CWJobs right now.

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