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4 Permanent API jobs in South East London + 20 miles
£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
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Non-Functional Testing Engineer
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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£50,000 to 60,000 GBP - Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Location: London (Hybrid - 3 days in office: Tue/Wed/Thu) Salary: £50,000 to £60,000 + bonus and benefits - Type: Full-time, Permanent - Do you want to design and deliver solutions using the latest cloud services, AI, and emerging technologies to solve real-world challenges? This is a fantastic opportunity for an experienced engineer with a cloud-first mindset who thrives on creating innovative prototypes and scalable solutions. What you'll be doing * Designing and developing prototypes and Proof of Concepts using cloud services, AI, VR/AR, Edge AI, and more. * Supporting the delivery of group-wide digital initiatives, including in-house Generative AI solutions. * Collaborating with technical teams to promote best practices in modern software en
£50,000 to 60,000 GBP - Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Location: London (Hybrid - 3 days in office: Tue/Wed/Thu) Salary: £50,000 to £60,000 + bonus and benefits - Type: Full-time, Permanent - Do you want to design and deliver solutions using the latest cloud services, AI, and emerging technologies to solve real-world challenges? This is a fantastic opportunity for an experienced engineer with a cloud-first mindset who thrives on creating innovative prototypes and scalable solutions. What you'll be doing * Designing and developing prototypes and Proof of Concepts using cloud services, AI, VR/AR, Edge AI, and more. * Supporting the delivery of group-wide digital initiatives, including in-house Generative AI solutions. * Collaborating with technical teams to promote best practices in modern software en
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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13 exact matches jobs are outside your preferred location
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End to End QA Engineer, Test Analyst, API Tester
End to End QA Engineer, Test Analyst, API Tester
Experis UK
London
£50000 - £57000 per annum + Benefits
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
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QA Test Engineer Python API Automation
QA Test Engineer Python API Automation
Client Server
Milton, CB24
£40000 - £50000 per annum + bonus + benefits
You have API testing experience
You have API testing experience
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Full Stack Developer
Full Stack Developer
CURE TALENT LIMITED
Milton, CB24
From £75,000 to £85,000 per annum Neg. DOE + Benefits
Strong understanding of API design, authentication, and database integration.
Strong understanding of API design, authentication, and database integration.
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Lead Backend Developer - Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Lead Backend Developer - Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
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Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
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Experience with API testing tools (e.g., Postman, REST Assured).
Experience with API testing tools (e.g., Postman, REST Assured).
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Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
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Title: Laboratory Systems Specialist - Location: Slough - Visa and Relocation support is offered with this role. Today, Lonza is a global leader in life sciences operating across five continents. While we work in science, theres no magic formula to how we do it. Our greatest scientific solution is talented people working together, devising ideas that help businesses to help people. In exchange, we let our people own their careers. Their ideas, big and small, genuinely improve the world. And thats the kind of work we want to be part of. The role of a Laboratory Systems Specialist is to lead the development and implementation of robust Lab/digital infrastructure within our R&D laboratories for the UK and US locations. This is pivotal in enabling efficient, automated data exchange between laboratory instruments and enterprise informatics systems such as Electronic Lab no
Title: Laboratory Systems Specialist - Location: Slough - Visa and Relocation support is offered with this role. Today, Lonza is a global leader in life sciences operating across five continents. While we work in science, theres no magic formula to how we do it. Our greatest scientific solution is talented people working together, devising ideas that help businesses to help people. In exchange, we let our people own their careers. Their ideas, big and small, genuinely improve the world. And thats the kind of work we want to be part of. The role of a Laboratory Systems Specialist is to lead the development and implementation of robust Lab/digital infrastructure within our R&D laboratories for the UK and US locations. This is pivotal in enabling efficient, automated data exchange between laboratory instruments and enterprise informatics systems such as Electronic Lab no
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
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Experience with API testing and integration
Experience with API testing and integration
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Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
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£55000 - 60000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Job Title: Solutions Engineer - Location: London (Hybrid - 3 days per week) Salary: £60,000 + bonus and perks - About Our Client - Our client is a global group of life-saving technology companies, united by a mission to create a safer, cleaner, and healthier future for everyone. Their portfolio spans over 40 companies worldwide, delivering innovative solutions that address critical challenges in health, safety, and the environment. With an ambitious digital transformation strategy underway, they are investing heavily in connected, smart, and data-driven technologies to modernise operations and accelerate innovation. This is an opportunity to join a forward-thinking organisation recognised as one of the UK's most admired companies, with over 7,000 employees
£55000 - 60000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Job Title: Solutions Engineer - Location: London (Hybrid - 3 days per week) Salary: £60,000 + bonus and perks - About Our Client - Our client is a global group of life-saving technology companies, united by a mission to create a safer, cleaner, and healthier future for everyone. Their portfolio spans over 40 companies worldwide, delivering innovative solutions that address critical challenges in health, safety, and the environment. With an ambitious digital transformation strategy underway, they are investing heavily in connected, smart, and data-driven technologies to modernise operations and accelerate innovation. This is an opportunity to join a forward-thinking organisation recognised as one of the UK's most admired companies, with over 7,000 employees
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Senior MLOps Engineer Were looking for an experienced MLOps Engineer to build and operate the platform and tooling that powers our identity-verification products. Youll join a team supporting Applied Scientists and Machine Learning Engineers across countries. Our mission is to accelerate the path from ML research to production by building intuitive platform abstractions that let engineers focus on model innovation rather than infrastructure complexity. * Operate Argo Workflows and Dask Gateway as reliable, self-serve services used by engineers and researchers to orchestrate data prep, training, evaluation, and large-scale batch compute (installation, upgrades, security, quotas, autoscaling). You will have some MLOps experience as well as * You value d
Senior MLOps Engineer Were looking for an experienced MLOps Engineer to build and operate the platform and tooling that powers our identity-verification products. Youll join a team supporting Applied Scientists and Machine Learning Engineers across countries. Our mission is to accelerate the path from ML research to production by building intuitive platform abstractions that let engineers focus on model innovation rather than infrastructure complexity. * Operate Argo Workflows and Dask Gateway as reliable, self-serve services used by engineers and researchers to orchestrate data prep, training, evaluation, and large-scale batch compute (installation, upgrades, security, quotas, autoscaling). You will have some MLOps experience as well as * You value d
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Role: Solution Engineer (Digital Solutions) Are you a seasoned backend engineer with a passion for solving real-world problems through modern technology? Join a high-impact digital solutions team that partners with a portfolio of safety, environmental, and healthcare-focused businesses to drive digital transformation. * Collaborating with technical teams across multiple businesses to design and develop scalable, secure digital solutions. * Understanding of solution architecture principles - scalability, security, maintainability. £55,000 - £65,000 GBP - 10% Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Salary: £55,000-£65,000 + 10% Bonus - Location: London (Hybrid 2/3 day split) Do you enjoy working across diverse
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Lead AI Software Engineer - Consultant
Lead AI Software Engineer - Consultant
We Are Dcoded Limited
M1, Manchester
£100000.00 - £115000.00 per annum + Equity
Lead AI Software Engineer - LegalTech & AI SaaS (Equity Offered) As Lead AI Software Engineer, you'll combine hands-on technical expertise with a client-facing mindset. We Are Dcoded have partnered with a true giant killer - Theyre building the next big thing in AI-powered SaaS - a fresh, disruptive platform set to revolutionise a highly regulated industry. * Leading the design and development of an AI powered SaaS platform * Exploring and applying cutting-edge AI technologies - experience with LLMs, Claude.AI, or Crew AI would be a huge advantage * Championing best practice in software engineering, from code quality to scalability * Exposure to AI/ML, particularly la
Lead AI Software Engineer - LegalTech & AI SaaS (Equity Offered) As Lead AI Software Engineer, you'll combine hands-on technical expertise with a client-facing mindset. We Are Dcoded have partnered with a true giant killer - Theyre building the next big thing in AI-powered SaaS - a fresh, disruptive platform set to revolutionise a highly regulated industry. * Leading the design and development of an AI powered SaaS platform * Exploring and applying cutting-edge AI technologies - experience with LLMs, Claude.AI, or Crew AI would be a huge advantage * Championing best practice in software engineering, from code quality to scalability * Exposure to AI/ML, particularly la
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Position: AI Engineer / AI Agent / Backend AI Engineer We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. * Work on cutting-edge AI innovation - Location: Remote - Work Type: Contract - You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encour
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Microsoft Power Platform / Agentic AI Engineer
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cer Financial
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£705 per day £705 per day (via Umbrella)
They are seeking a Microsoft Power Platform / Agentic AI Engineer to work with them on a contract. * Develop Power Automate flows triggered by AI agents or business events. * Design and build conversational agents using Microsoft Copilot Studio. * Create Power Apps frontends integrated with GenAI services and enterprise data. * Microsoft 365 & Graph API Integration * RAG pipelines grounded in enterprise data via Azure AI Search * Azure AI Search (vector indexing, hybrid search) * Microsoft Entra ID (Azure AD) for identity and access control * Copilot Studio, Power Automate, Power Apps, custom connectors * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel * Azure AI Search, Form Recognizer, and Language Services * Responsible AI frameworks (e.g., NIST AI RMF, ISO/IEC 42001) City of London - Hybrid (3/2 split) 6-months contract £705 per day (via Umbr
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As a Senior Software Engineer, it will be your responsibility to plan supervise mid-level Software Engineers, as well as team tasks and responsibilities. A global market-leader with annual revenues of almost $1bn are looking to grow their Software Engineering team by bringing in a proven Senior Software Engineer. Key words; Senior Software Engineer, Software Developer, Programmer York, Middlesbrough, Thirsk, Ripon, Scarborough, Whitby, Darlington, Northallerton, Malton, Driffield, Harrogate, Knaresborough, Bridlington, Redcar, Stokesley, Stockton-on-Tees - This is an excellent opportunity an experienced Senior Engineer that is looking for a new challenge and to broaden their skill set within a business that develops w
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