Cloud Security Engineer (AWS) - Node.js/NestJS and REST API - Authentication (Auth0, Ping Identity) Contract - 12 months, upto £650/day inside IR35 ***Hybrid - 3 days office Leading financial services client is seeking a Senior Cloud Security Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities: Design and maintain RESTful APIs and microservices using Node.js … deployments. Embed DevSecOps best practices across IAM, networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Proficient with IaC, CI/CD (CloudFormation, Terraform) Cloud security principles, including IAM, networking, and encryption If this is of interest and you have More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. Experience … throughput messaging or streaming platforms (e.g., Kafka, Pulsar). This is a permanent position with hybrid working of two days a week in the central London office and the rest WFH. The salary is very much dependant on experience with a guide between £130k-£160K basic + package. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. Experience … throughput messaging or streaming platforms (e.g., Kafka, Pulsar). This is a permanent position with hybrid working of two days a week in the central London office and the rest WFH. The salary is very much dependant on experience with a guide between £130k-£160K basic + package. More ❯
largest enterprises. What youll be doing: 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 Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack Collaborating … and processes What theyre looking for: 5+ years experience building enterprise SaaS products (ideally in cybersecurity or data-heavy environments) Strong backend development with TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs Frontend expertise with ReactJS, NextJS, Typescript, Chakra UI Experience with MySQL and NoSQL databases Familiarity with messaging/event-driven systems (Kafka) Ability to work closely with designers (Figma More ❯
cutting-edge technologies and contribute to impactful projects. Key Responsibilities Design, develop, and maintain application modules, including the Database Module , API Module , Engine , and Logic . Build and enhance REST APIs to ensure robust and efficient communication between application components. Develop scalable solutions using .NET Core and C# , adhering to best practices and coding standards. Implement and optimize data storage … clear communication with the team and stakeholders. Skills and Experience Proficiency in .NET Core and C# , with a strong understanding of object-oriented programming principles. Experience designing and building REST APIs with a focus on performance, security, and scalability. Hands-on experience with Entity Framework and integrating SQLite for data storage and retrieval. Strong problem-solving skills and the ability More ❯
cutting-edge technologies and contribute to impactful projects. Key Responsibilities Design, develop, and maintain application modules, including the Database Module , API Module , Engine , and Logic . Build and enhance REST APIs to ensure robust and efficient communication between application components. Develop scalable solutions using .NET Core and C# , adhering to best practices and coding standards. Implement and optimize data storage … clear communication with the team and stakeholders. Skills and Experience Proficiency in .NET Core and C# , with a strong understanding of object-oriented programming principles. Experience designing and building REST APIs with a focus on performance, security, and scalability. Hands-on experience with Entity Framework and integrating SQLite for data storage and retrieval. Strong problem-solving skills and the ability More ❯
Birmingham, West Midlands, England, United Kingdom Hybrid / WFH Options
Akkodis
make sure the platform delivers genuine business value. The role's hands-on, so you'll need strong experience with configuration, scripting, and integrations - particularly around Flow Designer, IntegrationHub, REST/SOAP APIs , and JavaScript . Exposure to Azure DevOps , CI/CD pipelines , or cloud integrations (Azure, Teams, Dynamics 365) would also be a bonus. It's a great … for: Strong background in ServiceNow development and potentially platform ownership Good knowledge of HRSD, CSM, ITOM (any mix of these is fine - ITOM & CSM are preferences) Experience with integrations (REST/SOAP, IntegrationHub, Flow Designer) Certified System Administrator (CSA) and ideally Application Developer (CAD) CIS would be a bonus Confident working with senior stakeholders and defining platform strategy What's More ❯
Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality … Strong technical expertise across Azure SQL, Cosmos DB, Service Bus, Function Apps, APIM, Front Door, Auth0, and WebSockets. Proven ability to design APIs from the ground up that follow REST principles and OpenAPI 3.x standards. Hands-on experience with Azure DevOps pipelines, automation, and performance tuning. A mindset focused on continuous improvement, security-first design, and delivery excellence. Degree in More ❯
Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality … Strong technical expertise across Azure SQL, Cosmos DB, Service Bus, Function Apps, APIM, Front Door, Auth0, and WebSockets. Proven ability to design APIs from the ground up that follow REST principles and OpenAPI 3.x standards. Hands-on experience with Azure DevOps pipelines, automation, and performance tuning. A mindset focused on continuous improvement, security-first design, and delivery excellence. Degree in More ❯
Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality … Strong technical expertise across Azure SQL, Cosmos DB, Service Bus, Function Apps, APIM, Front Door, Auth0, and WebSockets. Proven ability to design APIs from the ground up that follow REST principles and OpenAPI 3.x standards. Hands-on experience with Azure DevOps pipelines, automation, and performance tuning. A mindset focused on continuous improvement, security-first design, and delivery excellence. Degree in More ❯
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence +Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯
london (city of london), south east england, united kingdom
Bentley Whitaker Search and Selection
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯
experience with Adobe Experience Platform and Adobe Journey Optimizer. Strong understanding of marketing automation and customer journey orchestration. Proficiency in data modelling, XDM schemas, and identity resolution. Experience with REST APIs, JSON, and data formats like Parquet. Familiarity with Adobe Experience Cloud tools (Target, Analytics, Campaign). Scripting experience in JavaScript, Python, or Node.js is a plus. Experience with CDP … be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. More ❯
experience with Adobe Experience Platform and Adobe Journey Optimizer. Strong understanding of marketing automation and customer journey orchestration. Proficiency in data modelling, XDM schemas, and identity resolution. Experience with REST APIs, JSON, and data formats like Parquet. Familiarity with Adobe Experience Cloud tools (Target, Analytics, Campaign). Scripting experience in JavaScript, Python, or Node.js is a plus. Experience with CDP … be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. More ❯
watford, hertfordshire, east anglia, united kingdom
Adecco
experience with Adobe Experience Platform and Adobe Journey Optimizer. Strong understanding of marketing automation and customer journey orchestration. Proficiency in data modelling, XDM schemas, and identity resolution. Experience with REST APIs, JSON, and data formats like Parquet. Familiarity with Adobe Experience Cloud tools (Target, Analytics, Campaign). Scripting experience in JavaScript, Python, or Node.js is a plus. Experience with CDP … be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. More ❯
technical leader and will have management responsibilities of your team of engineers. Work will be focused on support of UK-based clients and the UK market. Together with the rest of the team, you will bring the same revolutionary customer experience, operational excellence and speed of innovation that Kraken is powering across energy retailers to other sectors. Some of our … web development experience, as you will be asked to work on some full-stack projects Domain modelling, and ability to quickly absorb information about a complex industry HTTP and REST APIs Writing robust and fault-tolerant software Celery and async processing Postgres Experience being a technical leader in a team What you'll do You'll be responsible for leading More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Randstad Digital
Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a More ❯
Cloud (Email Studio, Automation Studio, Contact Builder, Journey Builder, Mobile Studio). Strong knowledge of Marketing Cloud Connect. Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Marketing Cloud. Competency in Email Studio, Automation Studio, Contact Builder … Journey Builder, Mobile Studio Marketing Cloud Connect. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. Familiarity with REST API. Preferred Certifications Salesforce Marketing Cloud Email Specialist Salesforce Marketing Cloud Consultant Salesforce Marketing Cloud Developer If you're passionate about Salesforce Marketing Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love More ❯
Cloud (Email Studio, Automation Studio, Contact Builder, Journey Builder, Mobile Studio). Strong knowledge of Marketing Cloud Connect. Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Marketing Cloud. Competency in Email Studio, Automation Studio, Contact Builder … Journey Builder, Mobile Studio Marketing Cloud Connect. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. Familiarity with REST API. Preferred Certifications Salesforce Marketing Cloud Email Specialist Salesforce Marketing Cloud Consultant Salesforce Marketing Cloud Developer If you're passionate about Salesforce Marketing Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love More ❯
Cloud (Email Studio, Automation Studio, Contact Builder, Journey Builder, Mobile Studio). Strong knowledge of Marketing Cloud Connect. Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Marketing Cloud. Competency in Email Studio, Automation Studio, Contact Builder … Journey Builder, Mobile Studio Marketing Cloud Connect. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. Familiarity with REST API. Preferred Certifications Salesforce Marketing Cloud Email Specialist Salesforce Marketing Cloud Consultant Salesforce Marketing Cloud Developer If you're passionate about Salesforce Marketing Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love More ❯
london (city of london), south east england, united kingdom
iO Associates
Cloud (Email Studio, Automation Studio, Contact Builder, Journey Builder, Mobile Studio). Strong knowledge of Marketing Cloud Connect. Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Marketing Cloud. Competency in Email Studio, Automation Studio, Contact Builder … Journey Builder, Mobile Studio Marketing Cloud Connect. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. Familiarity with REST API. Preferred Certifications Salesforce Marketing Cloud Email Specialist Salesforce Marketing Cloud Consultant Salesforce Marketing Cloud Developer If you're passionate about Salesforce Marketing Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love More ❯
Cloud (Email Studio, Automation Studio, Contact Builder, Journey Builder, Mobile Studio). Strong knowledge of Marketing Cloud Connect. Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Marketing Cloud. Competency in Email Studio, Automation Studio, Contact Builder … Journey Builder, Mobile Studio Marketing Cloud Connect. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. Familiarity with REST API. Preferred Certifications Salesforce Marketing Cloud Email Specialist Salesforce Marketing Cloud Consultant Salesforce Marketing Cloud Developer If you're passionate about Salesforce Marketing Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love More ❯