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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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Integration, API Development and Databases Experience in designing, building and deploying RESTful and event-driven APIs, with foundational knowledge of SQL and relational database design, plus exposure to containerization tools like Docker and orchestration platforms like Kubernetes
Integration, API Development and Databases Experience in designing, building and deploying RESTful and event-driven APIs, with foundational knowledge of SQL and relational database design, plus exposure to containerization tools like Docker and orchestration platforms like Kubernetes
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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Experience in API and BDD testing
Experience in API and BDD testing
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
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Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
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Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. 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? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. 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? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
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we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
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Location/s: London - Recruiter contact: Nikki George - Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, a
Location/s: London - Recruiter contact: Nikki George - Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, a
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Job Description - Start here. Grow here. The role of an information manager is to oversee project level common data environments and electronic data management systems. Typical duties include organising, storing and analysing organisational datasets in a professional and efficient manner, while also ensuring that security and privacy requirements are met by stakeholders. AECOM is currently looking for an analytical professional who thrives on opportunities to decipher common data environments. As an information manager, you will be responsible for the development and use of project level common data environments and the subsequent upkeep of all information to and from the project teams in a timely and secure manner. The chosen candidate will have a strong aptitude for technology, a professional approach to the working environment and possess excellent diagnostic skill
Job Description - Start here. Grow here. The role of an information manager is to oversee project level common data environments and electronic data management systems. Typical duties include organising, storing and analysing organisational datasets in a professional and efficient manner, while also ensuring that security and privacy requirements are met by stakeholders. AECOM is currently looking for an analytical professional who thrives on opportunities to decipher common data environments. As an information manager, you will be responsible for the development and use of project level common data environments and the subsequent upkeep of all information to and from the project teams in a timely and secure manner. The chosen candidate will have a strong aptitude for technology, a professional approach to the working environment and possess excellent diagnostic skill
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Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - Overview - We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud. Headquartered in The City of London, we craft bespoke services that help our clien
Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - Overview - We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud. Headquartered in The City of London, we craft bespoke services that help our clien
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Want to use your full stack skills to help stop real-world cyber attacks? This is your chance to join a fast-growing, VC-backed cybersecurity innovator, recognised by Gartner and trusted by Fortune 500s and critical infrastructure providers worldwide. Theyre building cutting-edge technology that helps organisations continuously understand how they could be compromised and theyre scaling fast. Now, theyre looking for a Senior Full Stack Engineer to join their Client Facing Applications (CFA) team, where youll help shape the customer experience for some of the worlds largest enterprises. * Designing and developing enterprise-grade SaaS features across backend and frontend systems * Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) * Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI
Want to use your full stack skills to help stop real-world cyber attacks? This is your chance to join a fast-growing, VC-backed cybersecurity innovator, recognised by Gartner and trusted by Fortune 500s and critical infrastructure providers worldwide. Theyre building cutting-edge technology that helps organisations continuously understand how they could be compromised and theyre scaling fast. Now, theyre looking for a Senior Full Stack Engineer to join their Client Facing Applications (CFA) team, where youll help shape the customer experience for some of the worlds largest enterprises. * Designing and developing enterprise-grade SaaS features across backend and frontend systems * Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) * Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI
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Senior Backend Python Developer - REMOTE
Senior Backend Python Developer - REMOTE
XACT PLACEMENTS LIMITED
London
From £75,000 to £85,000 per annum
Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (Global) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with $29M+ in funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge ...
Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (Global) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with $29M+ in funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge ...
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Join a fast-growing AI startup transforming a trillion-pound industry through intelligent automation. We're building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters. If you love solving deep technical problems, shaping architecture, and seeing your code have a real-world impact, this is a chance to build something meaningful from the ground up. The Role - We're looking for a Senior Backend Engineer to take ownership of key backend services that power our AI-driven platform. You'll work closely with product, frontend, and AI teams to design, build, and scale backend systems that handle large-scale data, complex workflows, and real-time interactions. You'll join a small, high-calibre team where your ideas genuinely shape the direction of the product and the company.
Join a fast-growing AI startup transforming a trillion-pound industry through intelligent automation. We're building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters. If you love solving deep technical problems, shaping architecture, and seeing your code have a real-world impact, this is a chance to build something meaningful from the ground up. The Role - We're looking for a Senior Backend Engineer to take ownership of key backend services that power our AI-driven platform. You'll work closely with product, frontend, and AI teams to design, build, and scale backend systems that handle large-scale data, complex workflows, and real-time interactions. You'll join a small, high-calibre team where your ideas genuinely shape the direction of the product and the company.
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We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
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Opportunity for a AI Engineer Developer to work for an established FinTech company * Salary up to £75k depending on experience * Hybrid working out of Sevenoaks HQ * Tech stack - LLMs, Langchain, OpenAI, n8n, Flowable - We're working with a well-established, technology-driven FinTech company that's redefining how automation and AI power financial services. Combining innovation with stability, they've built a reputation as one of the UK's fastest-growing and most forward-thinking finance providers, now they're looking to strengthen their AI and automation capability. * Build intelligent workflows using n8n, Microsoft Power Automate, Flowable, and similar tools. * Design and implement agentic AI solutions, integrating LLMs and frameworks such as LangChain, AutoGen, and RAG pipelines with platforms like OpenAI.
Opportunity for a AI Engineer Developer to work for an established FinTech company * Salary up to £75k depending on experience * Hybrid working out of Sevenoaks HQ * Tech stack - LLMs, Langchain, OpenAI, n8n, Flowable - We're working with a well-established, technology-driven FinTech company that's redefining how automation and AI power financial services. Combining innovation with stability, they've built a reputation as one of the UK's fastest-growing and most forward-thinking finance providers, now they're looking to strengthen their AI and automation capability. * Build intelligent workflows using n8n, Microsoft Power Automate, Flowable, and similar tools. * Design and implement agentic AI solutions, integrating LLMs and frameworks such as LangChain, AutoGen, and RAG pipelines with platforms like OpenAI.
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Knowledge of RESTful API development and integration.
Knowledge of RESTful API development and integration.
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Building and maintaining API-driven Java microservices hosted on public cloud infrastructure * Deep understanding of microservices architecture, cloud-native applications, and API development
Building and maintaining API-driven Java microservices hosted on public cloud infrastructure * Deep understanding of microservices architecture, cloud-native applications, and API development
RESTful API design and development
RESTful API design and development
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Familiarity with testing tools/frameworks (e.g., JUnit, Postman) and API testing
Familiarity with testing tools/frameworks (e.g., JUnit, Postman) and API testing
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Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
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Want to accelerate your career? Electrify your potential as a Technical Product Manager and join the fastest growing motorsport on the planet! Formula E, the world's fastest-growing sport, is redefining motorsport with a bold focus on innovation and sustainability. Hosting over 100 races in iconic cities globally and backed by top manufacturers like Porsche, and Jaguar, we feature elite drivers and cutting-edge EV technology. As the world's first sport certified Net Zero Carbon from inception, Formula E combines thrilling entertainment with a mission to advance sustainable progress, inspiring a global fanbase with our high-performance brand new GEN3 EVO race car capable of 0-60mph in 1.82 seconds (0-100kph in 1.86s). Using the spectacle of sport, we are sending a powerful and meaningful message to help alter perceptions and speed-up the switch to electric mobility.
Want to accelerate your career? Electrify your potential as a Technical Product Manager and join the fastest growing motorsport on the planet! Formula E, the world's fastest-growing sport, is redefining motorsport with a bold focus on innovation and sustainability. Hosting over 100 races in iconic cities globally and backed by top manufacturers like Porsche, and Jaguar, we feature elite drivers and cutting-edge EV technology. As the world's first sport certified Net Zero Carbon from inception, Formula E combines thrilling entertainment with a mission to advance sustainable progress, inspiring a global fanbase with our high-performance brand new GEN3 EVO race car capable of 0-60mph in 1.82 seconds (0-100kph in 1.86s). Using the spectacle of sport, we are sending a powerful and meaningful message to help alter perceptions and speed-up the switch to electric mobility.
About Voodoo - Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote CET 3h. Team - Our Gaming team is made up of casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while
About Voodoo - Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote CET 3h. Team - Our Gaming team is made up of casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while
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Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.
Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.