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We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team * Solid C# .Net experience * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.
We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team * Solid C# .Net experience * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.
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*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
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*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
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Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Wokingham. Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Wokingham. Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
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Full Stack Software Engineer - Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package - My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements. You'll have a specific focus on CI/CD pipelines and the deployment process, reviewi
Full Stack Software Engineer - Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package - My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements. You'll have a specific focus on CI/CD pipelines and the deployment process, reviewi
LSEG is seeking a Senior Vulnerability Management Engineer to join our internal offensive security team with focus on driving closure of penetration testing findings. This role bridges offensive security and engineering by translating penetration test results into clear, actionable remediation guidance and partnering with application and platform teams to implement secure fixes. The successful candidate has a strong penetration testing or application security background, hands on remediation experience, and the ability to coordinate multiple collaborators to reduce risk at scale. This is a highly technical, delivery focused role with responsibility for both individual findings and systemic improvements. Key Responsibilities * Analyze and review penetration test reports to understand technical impact, exploitability, and business risk.
LSEG is seeking a Senior Vulnerability Management Engineer to join our internal offensive security team with focus on driving closure of penetration testing findings. This role bridges offensive security and engineering by translating penetration test results into clear, actionable remediation guidance and partnering with application and platform teams to implement secure fixes. The successful candidate has a strong penetration testing or application security background, hands on remediation experience, and the ability to coordinate multiple collaborators to reduce risk at scale. This is a highly technical, delivery focused role with responsibility for both individual findings and systemic improvements. Key Responsibilities * Analyze and review penetration test reports to understand technical impact, exploitability, and business risk.
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
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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
FEATURED
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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.
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Architect secure integrations with Azure services (Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors * Integration design using Azure Functions, Logic Apps, API Management, Service Bus, Event Grid, custom connectors, and webhooks * Azure: Functions, Logic Apps, API Management, Service Bus, Event Grid, Key Vault, Monitor, Application Insights
Architect secure integrations with Azure services (Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors * Integration design using Azure Functions, Logic Apps, API Management, Service Bus, Event Grid, custom connectors, and webhooks * Azure: Functions, Logic Apps, API Management, Service Bus, Event Grid, Key Vault, Monitor, Application Insights
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Skilled in API development and microservices architecture
Skilled in API development and microservices architecture
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 Frontend Developer
Senior Frontend Developer
Pathfinder Business Solutions Ltd
Milton Keynes (MK9), MK9 3QA
From £50,000 to £60,000 per annum Full Benefits Pack
REST-based API development
REST-based API development
Hands-on experience with API development and microservices architecture and end-to-end integrations * Hands-on experience with API development and microservices architecture * Knowledge of API Gateways and ISTIO, ability to diagnose and intercept failures in end-to-end communication
Hands-on experience with API development and microservices architecture and end-to-end integrations * Hands-on experience with API development and microservices architecture * Knowledge of API Gateways and ISTIO, ability to diagnose and intercept failures in end-to-end communication
AWS: API gateway, RDS, Cloudfront, Cognito, Terraform, GitHub, GitFlow pipelines
AWS: API gateway, RDS, Cloudfront, Cognito, Terraform, GitHub, GitFlow pipelines
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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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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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.
Familiarity with REST API and Soap Services
Familiarity with REST API and Soap Services
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
Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
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API Development with C# ASP.Net Core
API Development with C# ASP.Net Core
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8+ years of experience in Digital, CRM, or Commercial-related technology positions, including multi-market deployments of a CRM platform delivering API-first architectures centered on mobile and web engagement solutions, is required.
8+ years of experience in Digital, CRM, or Commercial-related technology positions, including multi-market deployments of a CRM platform delivering API-first architectures centered on mobile and web engagement solutions, is required.
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
FEATURED
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API development experience
API development experience
FEATURED
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Locations
- The City, City (EC4)
- Hinxton
- Southwark
- The City, City (EC2)
- Arundel Heights
- Causeway
- Covent Garden
- Datchet Common
- Euston
- Ireland
- City of London
- Milton Keynes
- Cambridge
- Central London
- Reading
- South East London
- West End
- Stevenage
- Abingdon
- Guildford
- London
- Berkshire
- Buckinghamshire
- Hertfordshire
- Oxfordshire
- Cambridgeshire
- Surrey
- Essex
- Bedfordshire
- East Sussex
- South East
- East Anglia