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GraphQL Engineer
GraphQL Engineer
Staffworx Limited
W10, West London
market rates, outside IR35, 6 months initial, long term extensions
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
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Oracle Revenue Management Production Support Service Engineer
Oracle Revenue Management Production Support Service Engineer
DCV Technologies Limited
SE1, South East London
From £400 to £450 per day
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
14 exact matches jobs are outside your preferred location
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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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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.
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Microsoft Power Platform / Agentic AI Engineer
Microsoft Power Platform / Agentic AI Engineer
cer Financial
EC2M, City of London
£705 per day £705 per day (via Umbrella)
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
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Solid engineering fundamentals: version control, CI/CD for ML, observability, API integration, and cloud infrastructure (AWS/Azure/GCP).
Solid engineering fundamentals: version control, CI/CD for ML, observability, API integration, and cloud infrastructure (AWS/Azure/GCP).
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Senior Android Engineer (UI/UX & Welcome Manager)
Senior Android Engineer (UI/UX & Welcome Manager)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
API & Backend Integration: Partner with our backend (Application & AI Orchestration) engineers to define and integrate the client-side APIs and data models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries.
API & Backend Integration: Partner with our backend (Application & AI Orchestration) engineers to define and integrate the client-side APIs and data models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries.
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Head of Development - AI Intelligence Platform. Remote UK
Head of Development - AI Intelligence Platform. Remote UK
Recruitment Revolution
EC2A, City of London
Competitive Salary + 20% bonus + Equity
Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
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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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For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
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Skilled in TDD, automated testing frameworks, CI/CD, and API design
Skilled in TDD, automated testing frameworks, CI/CD, and API design
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
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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API testing with Rest Assured or Postman
API testing with Rest Assured or Postman
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Location: Remote - Compensation: $180K - $200K - We are building programmable, intent-based infrastructure on a leading Layer 1 protocol, making blockchain interactions smoother, smarter, and more composable. Our work enables intent-driven execution across chains, requiring high-velocity technical delivery and strong team leadership. We are seeking an Engineering Manager to accelerate execution across projects, partner integrations, and cross-team initiatives. This role is focused on making things happen : ensuring technical projects are delivered on time, partner integrations run smoothly, and internal teams are fully aligned. You will lead and mentor a multidisciplinary engineering team while owning technical guidance, reliability management, and strategic process implementation. * Team Leadership: Lead and mentor a multidisciplinary engineering team, fostering a cu
Location: Remote - Compensation: $180K - $200K - We are building programmable, intent-based infrastructure on a leading Layer 1 protocol, making blockchain interactions smoother, smarter, and more composable. Our work enables intent-driven execution across chains, requiring high-velocity technical delivery and strong team leadership. We are seeking an Engineering Manager to accelerate execution across projects, partner integrations, and cross-team initiatives. This role is focused on making things happen : ensuring technical projects are delivered on time, partner integrations run smoothly, and internal teams are fully aligned. You will lead and mentor a multidisciplinary engineering team while owning technical guidance, reliability management, and strategic process implementation. * Team Leadership: Lead and mentor a multidisciplinary engineering team, fostering a cu
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We are looking for a manager with a strong track record of building and shipping software, and leading engineering teams, ideally with some experience in early-stage environments, where you may have contributed to scaling products from initial concept to production. Snapshot - We are seeking a Manager, Applied AI to lead the development and deployment of novel applications, leveraging Googles generative AI models. If you are a passionate machine learning engineering leader with a drive to build innovative products and a desire to work at the forefront of AI, we encourage you to apply! You will be instrumental in translating cutting-edge AI research into real-world products, and demonstrating the capabilities of latest generation model
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Partnering with your product manager, other engineering managers, staff engineers, architect, agile coach and engineering director to formulate a domain level technical strategy - Join our team and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies. * Managing and mentoring engineering professionals in your teams and domain, setting objectives for your teams and domain, owning the delivery of the outcomes, monitoring ongoing progress and performance within the OKR framework * Facilitate communication between teams under your leadership and enabling free exchange of information within your sphere of influ
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Lead AI Software Engineer - Consultant
We Are Dcoded Limited
M1, Manchester
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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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