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17 Contract API jobs in South West + 20 miles
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Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
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Software Engineer (Python / React)?? Cheltenham Area - on site - Contract: Inside IR35, 12 months+ The Opportunity - We are seeking talented Software Engineers to join a cutting-edge programme supporting UK Intelligence customers. These roles focus on building modern, cloud-native applications and services that enable the operational use of AI and data-driven capabilities. While detailed job specifications are still being finalised, the mission, technology stack, and innovation culture make this a highly compelling opportunity. What You'll Be Doing * Develop user-facing applications, APIs, and backend services - o Python - o FastAPI - o React * Enable the integration and operational use of AI and data-driven capabilities * Contribute to scalable, cloud-native application development * Artificial Intelligence * Machine Learning * Natural Language Processing (NLP) * Cloud-native engineering
Software Engineer (Python / React)?? Cheltenham Area - on site - Contract: Inside IR35, 12 months+ The Opportunity - We are seeking talented Software Engineers to join a cutting-edge programme supporting UK Intelligence customers. These roles focus on building modern, cloud-native applications and services that enable the operational use of AI and data-driven capabilities. While detailed job specifications are still being finalised, the mission, technology stack, and innovation culture make this a highly compelling opportunity. What You'll Be Doing * Develop user-facing applications, APIs, and backend services - o Python - o FastAPI - o React * Enable the integration and operational use of AI and data-driven capabilities * Contribute to scalable, cloud-native application development * Artificial Intelligence * Machine Learning * Natural Language Processing (NLP) * Cloud-native engineering
FEATURED
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Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
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Server Infrastructure Engineer
Server Infrastructure Engineer
CBSbutler Holdings Limited
Blandford Forum (DT11)
£550 - £600 per day + Outside IR35
+9 months + +On site in Blandford +SC cleared role +Outside IR35 +£550 - £600 a day - We are seeking a skilled and motivated Server Infrastructure Engineer to support the management, maintenance, and assurance of secure testbed environments that enable critical digital development, integration, and innovation activities within the Defence sector. Working as part of a specialist engineering team, you will be responsible for maintaining both on-premise and cloud-hosted infrastructure environments, ensuring secure, reliable, and continuous support for development activities, testing, exercises, and emerging AI capabilities. This is an exciting opportunity for an infrastructure professional with Defence CIS experience who enjoys working across server technologies, cloud platforms, virtualisation, networking, and cyber security. Key Responsibilities
+9 months + +On site in Blandford +SC cleared role +Outside IR35 +£550 - £600 a day - We are seeking a skilled and motivated Server Infrastructure Engineer to support the management, maintenance, and assurance of secure testbed environments that enable critical digital development, integration, and innovation activities within the Defence sector. Working as part of a specialist engineering team, you will be responsible for maintaining both on-premise and cloud-hosted infrastructure environments, ensuring secure, reliable, and continuous support for development activities, testing, exercises, and emerging AI capabilities. This is an exciting opportunity for an infrastructure professional with Defence CIS experience who enjoys working across server technologies, cloud platforms, virtualisation, networking, and cyber security. Key Responsibilities
API-based Data Integration & Microservices exposure
API-based Data Integration & Microservices exposure
FEATURED
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Strong knowledge of JavaScript (particularly for rules engine API development)
Strong knowledge of JavaScript (particularly for rules engine API development)
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A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
FEATURED
Experience with Custom Resource Definitions (CRDs), Operators, and the Kubernetes API server architecture. * Bare Metal Provisioning: Experience with tools like Cluster API (CAPI), Metal3, Tinkerbell, Canonical MaaS, or OpenStack Ironic.
Experience with Custom Resource Definitions (CRDs), Operators, and the Kubernetes API server architecture. * Bare Metal Provisioning: Experience with tools like Cluster API (CAPI), Metal3, Tinkerbell, Canonical MaaS, or OpenStack Ironic.
Principal Presales Engineers should be comfortable engaging a CEO or sketching out an API flow on a whiteboard with customer software engineers.
Principal Presales Engineers should be comfortable engaging a CEO or sketching out an API flow on a whiteboard with customer software engineers.
Use middleware platforms and direct API connections to create data flows that are stable, observable, and well-documented.
Use middleware platforms and direct API connections to create data flows that are stable, observable, and well-documented.
Build technology that helps businesses waste less energy and reduce carbon emissions. At Best. Energy, we combine technology, data, and energy expertise to help organisations reduce waste before energy is even used. Using our own IoT systems, intelligent analytics, and interactive software, we help customers lower costs, cut carbon, and operate more sustainably. Were now looking for a talented React Front End Developer to help shape the next generation of our customer platform. Youll work on the front end of our online energy management system, building interactive dashboards, visualisations, predictive tools, and customer-facing features that turn complex energy data into clear, useful insights. This is a role for someone who enjoys improving existing products just as much as creating entirely new experiences from scratch. What Youll Be Doing
Build technology that helps businesses waste less energy and reduce carbon emissions. At Best. Energy, we combine technology, data, and energy expertise to help organisations reduce waste before energy is even used. Using our own IoT systems, intelligent analytics, and interactive software, we help customers lower costs, cut carbon, and operate more sustainably. Were now looking for a talented React Front End Developer to help shape the next generation of our customer platform. Youll work on the front end of our online energy management system, building interactive dashboards, visualisations, predictive tools, and customer-facing features that turn complex energy data into clear, useful insights. This is a role for someone who enjoys improving existing products just as much as creating entirely new experiences from scratch. What Youll Be Doing
Clario, part of Thermo Fischer Scientific, is looking for an AI Engineering Team Lead who will be overseeing the successful delivery of strategic AI initiatives across our portfolio. This role combines technical leadership, project delivery oversight, stakeholder management, and people leadership. The AI Engineering Lead will guide AI Engineers and Software Engineers, translate business priorities into executable plans, and ensure high-quality AI solutions are delivered with strong outcomes for the business and our customers. What We Offer * Competitive Compensation and Incentives * Attractive Benefits (Pension, Private Health Coverage, Life Assurance & Salary Sacrifice Schemes) * Flexible Time Off Policy * Engaging Employee Programs * Technology for Remote/Hybrid Working - What You'll Be Doing * Lead the planning, execution, and delivery of multiple AI initiatives, ensuring ...
Clario, part of Thermo Fischer Scientific, is looking for an AI Engineering Team Lead who will be overseeing the successful delivery of strategic AI initiatives across our portfolio. This role combines technical leadership, project delivery oversight, stakeholder management, and people leadership. The AI Engineering Lead will guide AI Engineers and Software Engineers, translate business priorities into executable plans, and ensure high-quality AI solutions are delivered with strong outcomes for the business and our customers. What We Offer * Competitive Compensation and Incentives * Attractive Benefits (Pension, Private Health Coverage, Life Assurance & Salary Sacrifice Schemes) * Flexible Time Off Policy * Engaging Employee Programs * Technology for Remote/Hybrid Working - What You'll Be Doing * Lead the planning, execution, and delivery of multiple AI initiatives, ensuring ...
Technical Integration Manager
Technical Integration Manager
Evolution Bottling and Packaging Solutions Limited
South West
Competitive
REST API Integration knowledge
REST API Integration knowledge
We don't ask API documentation or language-specific questions in the interviews - instead, we want to know, how you approach different kind of problems and how you tackle them.
We don't ask API documentation or language-specific questions in the interviews - instead, we want to know, how you approach different kind of problems and how you tackle them.
We don't ask API documentation or language-specific questions in the interviews - instead, we want to know, how you approach different kind of problems and how you tackle them.
We don't ask API documentation or language-specific questions in the interviews - instead, we want to know, how you approach different kind of problems and how you tackle them.
17 exact matches jobs are outside your preferred location
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
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Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
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The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
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IoT Hub, Device Provisioning Service (DPS) Azure Functions, Event Grid, MQTT Azure SQL, Storage, App Services API Management Strong understanding of modularization, domain boundaries, and API patterns Proven ability to convert requirements into structured architecture outputs Experience in large-scale enterprise environments Strong technical review and architectural governance capability Excellent communication skills to align engineering, product, field, security, and management Fluent English language skills, written and spoken (project language) Architecture Specifications Target architectures for incoming requirements Modularization and domain boundary recommendations API and integration design proposals 2.
IoT Hub, Device Provisioning Service (DPS) Azure Functions, Event Grid, MQTT Azure SQL, Storage, App Services API Management Strong understanding of modularization, domain boundaries, and API patterns Proven ability to convert requirements into structured architecture outputs Experience in large-scale enterprise environments Strong technical review and architectural governance capability Excellent communication skills to align engineering, product, field, security, and management Fluent English language skills, written and spoken (project language) Architecture Specifications Target architectures for incoming requirements Modularization and domain boundary recommendations API and integration design proposals 2.
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Develop ingestion patterns from API sources (batch and streaming) * Develop API connectors and ingestion pipelines using Python
Develop ingestion patterns from API sources (batch and streaming) * Develop API connectors and ingestion pipelines using Python
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Software Engineer & Cloud Operations Specialist - Node, AWS.
Software Engineer & Cloud Operations Specialist - Node, AWS.
S Merrick LTD
Europe
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
Software Engineer & Cloud Operations Specialist - Node, AWS
Software Engineer & Cloud Operations Specialist - Node, AWS
S Merrick LTD
UK
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.