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FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide.
FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide.
FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community wor
FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community wor
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Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London - Contract: Initial 3 month contract - About the Role - A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities * Gather, validate, and document detailed business and technical requirements * Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes * Conduct in-depth analysis of existing systems, data flows, integrations, and processes * Work closely with engineering, product, architecture, and delivery teams to shape solution o
Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London - Contract: Initial 3 month contract - About the Role - A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities * Gather, validate, and document detailed business and technical requirements * Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes * Conduct in-depth analysis of existing systems, data flows, integrations, and processes * Work closely with engineering, product, architecture, and delivery teams to shape solution o
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6 Month Contract - Reading (Hybrid) £500-525/day (Outside IR35) Start ideally in Dec 2025 / Jan 2026. A chance to work with a global IT Consultancy on a ServiceNow design + integration project for an external client. Hybrid Working - 2 days/week working remotely (WFH) + 3 days/week working from the office in Reading. Paying up to £525/day (Outside IR35). * In-depth hands-on ServiceNow Architecture expertise including design, configuration + implementation. * Deep ServiceNow modules + workflows experience including: ITSM, ITOM, Discovery, ITAM, CSM, HRSD, SecOps, GRC). * Managing integrations between ServiceNow and other systems (via REST, SOAP APIs, IntegrationHub, MID Server, custom integrations), ensuring reliability, security, latency, error handling, monitoring. * Defining + implementing technical governance, architecture operating models, and instance strategy.
6 Month Contract - Reading (Hybrid) £500-525/day (Outside IR35) Start ideally in Dec 2025 / Jan 2026. A chance to work with a global IT Consultancy on a ServiceNow design + integration project for an external client. Hybrid Working - 2 days/week working remotely (WFH) + 3 days/week working from the office in Reading. Paying up to £525/day (Outside IR35). * In-depth hands-on ServiceNow Architecture expertise including design, configuration + implementation. * Deep ServiceNow modules + workflows experience including: ITSM, ITOM, Discovery, ITAM, CSM, HRSD, SecOps, GRC). * Managing integrations between ServiceNow and other systems (via REST, SOAP APIs, IntegrationHub, MID Server, custom integrations), ensuring reliability, security, latency, error handling, monitoring. * Defining + implementing technical governance, architecture operating models, and instance strategy.
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Hybrid: London (1-2 days per week in the office) Paying up to £70,000 + benefits - Permanent - Experis are delighted to be supporting a well-established and reputable organisation as they continue to strengthen and modernise their digital client-facing capabilities. We are assisting them in the search for a Seismic Developer, a key role within the Brand & Digital Services division, responsible for designing and developing advanced Seismic LiveDoc solutions that enhance client experience, streamline document creation, and enable front-office teams to work more efficiently. This is a fantastic opportunity for someone with deep Seismic expertise who enjoys building automated, scalable, and visually polished documentation solutions. You'll join an experienced team of Seismic specialists in a highly collaborative environment, supporting a well-embedded and strategically im
Hybrid: London (1-2 days per week in the office) Paying up to £70,000 + benefits - Permanent - Experis are delighted to be supporting a well-established and reputable organisation as they continue to strengthen and modernise their digital client-facing capabilities. We are assisting them in the search for a Seismic Developer, a key role within the Brand & Digital Services division, responsible for designing and developing advanced Seismic LiveDoc solutions that enhance client experience, streamline document creation, and enable front-office teams to work more efficiently. This is a fantastic opportunity for someone with deep Seismic expertise who enjoys building automated, scalable, and visually polished documentation solutions. You'll join an experienced team of Seismic specialists in a highly collaborative environment, supporting a well-embedded and strategically im
FEATURED
Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today - Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today - Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
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A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within the business. As a Software Developer, you’ll collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. * Produce well-structured and clearly documented C# / .NET code. * Configure, customise, and maintain Microsoft Dynamics 365. * Build and support integrations across Dynamics 365 and other systems. * Develop plugins, workflows, and bespoke components within the Dynamics ecosystem. * Work seamlessly with cross-functional teams in a fully remote setting. * Take part in code reviews and contribute to help define best practices.
A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within the business. As a Software Developer, you’ll collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. * Produce well-structured and clearly documented C# / .NET code. * Configure, customise, and maintain Microsoft Dynamics 365. * Build and support integrations across Dynamics 365 and other systems. * Develop plugins, workflows, and bespoke components within the Dynamics ecosystem. * Work seamlessly with cross-functional teams in a fully remote setting. * Take part in code reviews and contribute to help define best practices.
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Define and govern API-led connectivity and enterprise integration patterns * Deep understanding of MuleSoft architecture, integration patterns, and API-led design
Define and govern API-led connectivity and enterprise integration patterns * Deep understanding of MuleSoft architecture, integration patterns, and API-led design
NEWFEATURED
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Solution Architect
Solution Architect
Henderson Scott
North West London, London, NW1 7AW
£70000.00 - £75000.00 per annum + Highly Remote, 30 days AL+BH
Maintain and enforce standards for API design, integration patterns, data schemas (including Medallion architecture), and security (RBAC, data classification).
Maintain and enforce standards for API design, integration patterns, data schemas (including Medallion architecture), and security (RBAC, data classification).
FEATURED
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Along with this you should also have hands on experience with API testing tools (e.g., Postman, REST Assured) and performance tools (e.g., JMeter, Gatling).
Along with this you should also have hands on experience with API testing tools (e.g., Postman, REST Assured) and performance tools (e.g., JMeter, Gatling).
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The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
Rest API
Rest API
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Full Stack Engineer Python TypeScript
Full Stack Engineer Python TypeScript
Client Server
St James, South West London (SW1), SW1A
£100000 - £120000 per annum + bonus + benefits
You have strong backend Python coding skills, including API development
You have strong backend Python coding skills, including API development
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Skilled in API development and microservices architecture
Skilled in API development and microservices architecture
The core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
The core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Expertise in system and API design, scalability, and performance tuning
Expertise in system and API design, scalability, and performance tuning
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Senior Systems Developer
Senior Systems Developer
Brockenhurst College
Balmerlawn, Brockenhurst (SO42), SO42 7ZE
£46790.00 to £49339.00 per year
Experience in database design, API development, and system integration.
Experience in database design, API development, and system integration.
PREMIUM
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Senior Full Stack Engineer
Senior Full Stack Engineer
McGregor Boyall Associates Limited
City of London (EC1)
£80000 - £120000 per annum + bonus
Strong knowledge of system design principles, scalable architecture patterns, and API design.
Strong knowledge of system design principles, scalable architecture patterns, and API design.
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
The Service is one of the fastest growing streams in the LCH business lines and is looking to build on recent successes and further increase market share through modernising and enhancing our external facing application and API by delivering powerful and scalable functionality to meet evolving market demands.
The Service is one of the fastest growing streams in the LCH business lines and is looking to build on recent successes and further increase market share through modernising and enhancing our external facing application and API by delivering powerful and scalable functionality to meet evolving market demands.
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Salesforce Marketing Cloud Engineer
Salesforce Marketing Cloud Engineer
Stackstudio Digital Ltd.
Paddington, West London (W2)
From £450 to £500 per day
Strong understanding and experience in SFMC API development.
Strong understanding and experience in SFMC API development.
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Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
As a Senior Software Engineer on the Issues API team at Snyk, you will have the opportunity to build highly scalable, performant APIs that are critical to our customers. As a part of our team, you'll be on the front lines of building and evolving our API layer, a critical component of Snyk's platform.
As a Senior Software Engineer on the Issues API team at Snyk, you will have the opportunity to build highly scalable, performant APIs that are critical to our customers. As a part of our team, you'll be on the front lines of building and evolving our API layer, a critical component of Snyk's platform.
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Locations
- The City, City (EC4)
- Southwark
- The City, City (EC2)
- The City, City (EC3)
- Balmerlawn
- Bellfields
- Causeway
- Covent Garden
- Datchet Common
- Euston
- City of London
- Central London
- West End
- Reading
- South East London
- Southampton
- Guildford
- South West London
- West London
- Epsom
- London
- Berkshire
- Hampshire
- Surrey
- Hertfordshire
- West Sussex
- South East