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        12 API jobs in South East + 20 miles

        Lead Applied AI Engineer

        SUMMER-BROWNING ASSOCIATES LIMITED
        E1, East London
        £700 - £750 per day
        Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
        Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
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        Strong experience with RESTful API integrations * Familiarity with authentication protocols (OAuth2, API keys)
        Strong experience with RESTful API integrations * Familiarity with authentication protocols (OAuth2, API keys)
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        NEW
        Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
        Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
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        Lead AI Engineer

        Change-IT Consulting Ltd
        London
        From £700 to £750 per day
        Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
        Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
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        NEW
        Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
        Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
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        NEW
        Design, develop, test and deliver application change to meet the needs of the FI Algo trading desks - this will include both API and schema design, and a significant amount of work on real-time KDB+ processes.
        Design, develop, test and deliver application change to meet the needs of the FI Algo trading desks - this will include both API and schema design, and a significant amount of work on real-time KDB+ processes.
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        PREMIUM

        Non-Functional Testing Engineer

        McGregor Boyall Associates Limited
        E1, East London
        £75000 - £850000 per annum + + Additional Benefits
        I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
        I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
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        NEW
        Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Microsoft Copilot Studio * Build custom applications using Power Apps to meet specific business requ
        Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Microsoft Copilot Studio * Build custom applications using Power Apps to meet specific business requ
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        NEWFEATURED
        Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). * Expertise in Microsoft Graph API, Microsoft 365 compliance and security, and identity management.
        Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). * Expertise in Microsoft Graph API, Microsoft 365 compliance and security, and identity management.
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        FEATURED
        What we are building - Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them into detailed process maps. Mimicas process intelligence highlights inefficiencies, prioritizes improvements based on ROI, recommends the optimal technology for automation (RPA, intelligent document processing, GenAI), and provides a blueprint for building new automations and transforming work. Our approach to engineering * We prioritize customer needs first * We work in small, project-based teams * We have flexibility in terms of the problems we work on * We own the full lifecycle of our projects * We avoid silos and encourage taking up tasks in new areas * We balance quality and velo
        What we are building - Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them into detailed process maps. Mimicas process intelligence highlights inefficiencies, prioritizes improvements based on ROI, recommends the optimal technology for automation (RPA, intelligent document processing, GenAI), and provides a blueprint for building new automations and transforming work. Our approach to engineering * We prioritize customer needs first * We work in small, project-based teams * We have flexibility in terms of the problems we work on * We own the full lifecycle of our projects * We avoid silos and encourage taking up tasks in new areas * We balance quality and velo
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        1 exact match is outside your preferred location

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        Lead Engineer - Global investment bank

        McGregor Boyall Associates Limited
        London
        £150000 - £180000 per annum + bonus, pension, healthcare
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
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        NEW
        It is expected that Principal Engineer will maintain relationships within the open source community, actively contributing to product development and online communities. At Herbert Smith Freehills Kramer, our ambition is to help you achieve your goals. Exceptional client service and the pursuit of excellence are at our core. We invest in and care about our client relationships, which is why many are incredibly longstanding. And we enjoy breaking new ground, as we have for over 100 years. We are where you need us to be. We are in the world's largest markets, key financial centres and major growth hubs. Our international footprint is extensive and committed. We are at our best tackling complexity and navigating change. We work alongside you on demanding contentious matters, exacting regulatory work and complex public and private market transactions. We
        It is expected that Principal Engineer will maintain relationships within the open source community, actively contributing to product development and online communities. At Herbert Smith Freehills Kramer, our ambition is to help you achieve your goals. Exceptional client service and the pursuit of excellence are at our core. We invest in and care about our client relationships, which is why many are incredibly longstanding. And we enjoy breaking new ground, as we have for over 100 years. We are where you need us to be. We are in the world's largest markets, key financial centres and major growth hubs. Our international footprint is extensive and committed. We are at our best tackling complexity and navigating change. We work alongside you on demanding contentious matters, exacting regulatory work and complex public and private market transactions. We
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        NEW

        Gen AI Solutions Engineer - London Hybrid

        Transparent Technology
        City of London, London, EC1A 4RN
        £75000 - £85000 per annum + bens, shares, pension
        As a Solutions Engineer / AI Engineer / LLM Engineer, you'll work directly with clients, design POCs and production-ready solutions, and deliver impact using LLMs, LangChain, Python, and Azure. Keywords: Solutions Engineer, AI Engineer, AI Consultant, Generative AI, Python, Azure, LangChain, LLMs, Hybrid London Solutions Engineer - Generative AI | Hybrid (London) | Up to £85,000 - Ready to take the lead in AI workflow automation? Join a profitable, fast-growing startup building cutting-edge GenAI solutions for the legal and compliance sector. With 3+ years' experience, excellent communication skills, and a passion for Generative AI, you'll thrive in a
        As a Solutions Engineer / AI Engineer / LLM Engineer, you'll work directly with clients, design POCs and production-ready solutions, and deliver impact using LLMs, LangChain, Python, and Azure. Keywords: Solutions Engineer, AI Engineer, AI Consultant, Generative AI, Python, Azure, LangChain, LLMs, Hybrid London Solutions Engineer - Generative AI | Hybrid (London) | Up to £85,000 - Ready to take the lead in AI workflow automation? Join a profitable, fast-growing startup building cutting-edge GenAI solutions for the legal and compliance sector. With 3+ years' experience, excellent communication skills, and a passion for Generative AI, you'll thrive in a
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        NEW

        AI Solutions Engineer

        McGregor Boyall Associates Limited
        EC1, City of London
        Negotiable
        McGregor Boyall have partnered with a Logistics company who are seeking support to identify, design, and create AI-driven solutions that can drive operational efficiency and foster innovation across their organization. * Identifying and prioritizing high-impact AI use cases across departments * Designing and deploying AI agents and tools to automate tasks and optimize internal workflows. * Integrating AI capabilities with existing systems and platforms. * Leveraging proprietary and external data to develop, train, and fine-tune user-generated AI models. * Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. * improving solutions based on real-world usage and feedback. * Build and deploy AI-powered workflows - This is a contract role - negotiable day rate. * Python or JavaScript * Knowledge of automation platforms * Strong experien
        McGregor Boyall have partnered with a Logistics company who are seeking support to identify, design, and create AI-driven solutions that can drive operational efficiency and foster innovation across their organization. * Identifying and prioritizing high-impact AI use cases across departments * Designing and deploying AI agents and tools to automate tasks and optimize internal workflows. * Integrating AI capabilities with existing systems and platforms. * Leveraging proprietary and external data to develop, train, and fine-tune user-generated AI models. * Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. * improving solutions based on real-world usage and feedback. * Build and deploy AI-powered workflows - This is a contract role - negotiable day rate. * Python or JavaScript * Knowledge of automation platforms * Strong experien
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        NEW

        Solutions Engineer

        THE IDOLS GROUP LIMITED
        London
        £80000 - £100000 per annum
        Data Idols are working with a fast-growing technology organisation to hire a Solutions Engineer. As a Solutions Engineer, you'll operate at the crossroads of data engineering, analytics, and stakeholder engagement. This is a highly collaborative, client-facing role focused on delivering impactful, data-driven solutions to real-world business challenges. You'll be embedded directly into client teams, helping to scope business needs, define solution architecture, and implement scalable data products that deliver measurable value. This role offers the chance to bridge technical expertise with commercial outcomes-perfect for someone who enjoys designing and deploying solutions while partnering closely with both technical and non-technical stakeholders. * Supporting deployment and integrat
        Data Idols are working with a fast-growing technology organisation to hire a Solutions Engineer. As a Solutions Engineer, you'll operate at the crossroads of data engineering, analytics, and stakeholder engagement. This is a highly collaborative, client-facing role focused on delivering impactful, data-driven solutions to real-world business challenges. You'll be embedded directly into client teams, helping to scope business needs, define solution architecture, and implement scalable data products that deliver measurable value. This role offers the chance to bridge technical expertise with commercial outcomes-perfect for someone who enjoys designing and deploying solutions while partnering closely with both technical and non-technical stakeholders. * Supporting deployment and integrat
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        FEATURED
        As a Principal AI Engineer ML Ops, your primary responsibility will be to architect, deploy, and maintain the systems that enable AI models to run reliably in production. As a Principal AI Engineer at Rapid7, you will lead the design and implementation of scalable ML Ops systems that take models from research to production with repeatable, secure, and observable deployment patterns. The AI Center of Excellence team brings together Data Scientists and AI Engineers to research, prototype, and build production-ready AI components. This role is ideal for someone with deep experience in software engineering, AI/ML systems, and DevOps/MLOps who wants to shape the future of applied AI in cybersecurity. We pa
        As a Principal AI Engineer ML Ops, your primary responsibility will be to architect, deploy, and maintain the systems that enable AI models to run reliably in production. As a Principal AI Engineer at Rapid7, you will lead the design and implementation of scalable ML Ops systems that take models from research to production with repeatable, secure, and observable deployment patterns. The AI Center of Excellence team brings together Data Scientists and AI Engineers to research, prototype, and build production-ready AI components. This role is ideal for someone with deep experience in software engineering, AI/ML systems, and DevOps/MLOps who wants to shape the future of applied AI in cybersecurity. We pa
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        NEW

        Senior Calypso Engineer

        Hays
        EC1, City of London
        £700.0 - £739.0 per day + £739pd inside IR35
        As Senior Calypso Engineer, you will be working on a Continuous Upgrade Project - performing technical analysis and development as part of a move from Calypso v17 to Calypso v18. Your new company * Tier 1 globally recognised company - Your new role - What you'll need to succeed * Recent Calypso experience (v16 onwards) * Preferably experience working on upgrades * Experienced in Java * Devops experience (Ansible, Terraform, Git) What you'll get in return - An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day rate for this role will be offered in addition to your own dedicated Hays Consultant to guide you through every step of the application process. What you need to do now - If you're interested in this role, click 'apply now' to forward an
        As Senior Calypso Engineer, you will be working on a Continuous Upgrade Project - performing technical analysis and development as part of a move from Calypso v17 to Calypso v18. Your new company * Tier 1 globally recognised company - Your new role - What you'll need to succeed * Recent Calypso experience (v16 onwards) * Preferably experience working on upgrades * Experienced in Java * Devops experience (Ansible, Terraform, Git) What you'll get in return - An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day rate for this role will be offered in addition to your own dedicated Hays Consultant to guide you through every step of the application process. What you need to do now - If you're interested in this role, click 'apply now' to forward an
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        NEW

        AI Solutions Engineer

        McGregor Boyall Associates Limited
        London
        £85000.00 - £95000 per annum
        We're looking for an innovative AI Solutions Engineer to architect, develop, and deploy intelligent automation systems. Position: AI Solutions Engineer The successful candidate will possess deep expertise in prompt optimisation, Large Language Model integration, and strategic business consulting to create meaningful AI-driven solutions. * Partner with business teams to analyse needs and discover AI/automation enhancement opportunities * Rapidly prototype and refine AI applications, showcasing tangible business benefits * Provide guidance on ethical AI implementation, covering governance frameworks, regulatory compliance, and risk mitigation * Monitor and evaluate emerging AI technologies, tools, and s
        We're looking for an innovative AI Solutions Engineer to architect, develop, and deploy intelligent automation systems. Position: AI Solutions Engineer The successful candidate will possess deep expertise in prompt optimisation, Large Language Model integration, and strategic business consulting to create meaningful AI-driven solutions. * Partner with business teams to analyse needs and discover AI/automation enhancement opportunities * Rapidly prototype and refine AI applications, showcasing tangible business benefits * Provide guidance on ethical AI implementation, covering governance frameworks, regulatory compliance, and risk mitigation * Monitor and evaluate emerging AI technologies, tools, and s
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        We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
        We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
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        NEW
        As a CPU Performance Benchmarking Engineer, you will be responsible for delivery of performance and power metrics to teams designing Arm's next generation of power-efficient CPUs, and to apply and enhance novel techniques to analyse data and progress performance of processors and cache systems. * Collaborate with designers and other performance engineers to investigate/improve power/performance/area for IPs - Whether its powering your smartphone, delivering award-winning VR gaming, or developing the foundation for the world's fastest supercomputer our engineers are designing the advanced core processors leading the race toward a connected, autonomous, hyper-performance future. Are you curious about the performance and
        As a CPU Performance Benchmarking Engineer, you will be responsible for delivery of performance and power metrics to teams designing Arm's next generation of power-efficient CPUs, and to apply and enhance novel techniques to analyse data and progress performance of processors and cache systems. * Collaborate with designers and other performance engineers to investigate/improve power/performance/area for IPs - Whether its powering your smartphone, delivering award-winning VR gaming, or developing the foundation for the world's fastest supercomputer our engineers are designing the advanced core processors leading the race toward a connected, autonomous, hyper-performance future. Are you curious about the performance and
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        Principal Engineer – Technical Support & Authoritative Advice - We are seeking an experienced Principal Engineer – Technical Support & Authoritative Advice to deliver responsive engineering support for in-service platforms and systems. We seek an engineer who has worked in a military/defence environment within the last 12 months or who is capable of obtaining security clearance (SC level minimum). This role involves providing authoritative advice, resolving technical queries, and contributing to safety, maintenance, and design change activities to ensure continued operational availability. * Provide authoritative technical advice in response to customer and stakeholder queries. * Support defect management and resolution, including urgent operational issues. * Research, process, and deliver technical information from existing sources.
        Principal Engineer – Technical Support & Authoritative Advice - We are seeking an experienced Principal Engineer – Technical Support & Authoritative Advice to deliver responsive engineering support for in-service platforms and systems. We seek an engineer who has worked in a military/defence environment within the last 12 months or who is capable of obtaining security clearance (SC level minimum). This role involves providing authoritative advice, resolving technical queries, and contributing to safety, maintenance, and design change activities to ensure continued operational availability. * Provide authoritative technical advice in response to customer and stakeholder queries. * Support defect management and resolution, including urgent operational issues. * Research, process, and deliver technical information from existing sources.
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        NEW
        FryerMiles are delighted to be partnering with a renowned consultant to assist with their recruitment of multiple Palantir Engineers / Developers to join their team in London. * Active DV Clearance, UKEO * Palantir Foundry / Gotham experience * Strong engineering background * Strong coder with demonstrated proficiency in programming languages such as Python, TypeScript/JavaScript, or similar.
        FryerMiles are delighted to be partnering with a renowned consultant to assist with their recruitment of multiple Palantir Engineers / Developers to join their team in London. * Active DV Clearance, UKEO * Palantir Foundry / Gotham experience * Strong engineering background * Strong coder with demonstrated proficiency in programming languages such as Python, TypeScript/JavaScript, or similar.
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        What is the average salary for API in South East?

        Average salary per year
        £67,499

        The average salary for a API in South East is £67,499. API in South East salaries range from £52,499 to £82,499.

        Frequently Asked Questions

        How many API jobs are there in South East?
        There are 12 API jobs within 20 miles of South East available on JustEngineers right now.

        What other similar jobs are there to API jobs in South East?
        As well as API jobs in South East, you can find Engineering, Software Development, Infrastructure, amongst many others.