/.NET Strong knowledge of WPF and SQL Solid understanding of clean architecture and design principles Confident communicator that can work across teams and directly with customers Familiarity with REST APIs and reporting tools Why Apply? Long-term career development in a stable and growing company Competitive salary with bonus scheme Investment in your learning, training, and professional growth Make More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
About You: Strong commercial experience in backend development with C#/.NET. Strong experience working in the cloud (Azure is preferable, but happy to consider AWS) Solid understanding of REST APIs, relational databases, and scalable architecture. Excellent problem-solving skills with a collaborative, proactive mindset. Experience in fast-paced or regulated environments is a plus. If you are a Senior More ❯
plus) Write clean, maintainable, and well-tested code Key Skills & Experience Required: 3–5 years of professional software development experience Proficiency in Node.js. Good understanding of software engineering principles, REST APIs, and asynchronous programming Experience with modern frontend development, ideally with React Nice to Have: Experience with NestJS Cloud experience with AWS services (Lambda, API Gateway, S3, etc.) Exposure to More ❯
Poole, Dorset, United Kingdom Hybrid / WFH Options
Crimson Limited
Front End interfaces using HTML, CSS, JavaScript, and modern frameworks. Strong proficiency with WordPress, WooCommerce, PHP, HTML5, CSS3, JavaScript. Experience with custom theme and plugin development. Familiarity with MySQL, REST APIs, and version control (Git). Customize WordPress themes and plugins to meet client needs. Work with APIs, third-party integrations, and custom Back End functionality. Collaborate with designers, marketers More ❯
standards to ensure their integrity and compliance. Software Developer - Required Skills and Experience Good knowledge of .Net Framework and .Net Core Develop applications using C# Experience with Web Services, REST API, and IP Communications Database queries using Entity Framework Some knowledge of developing WPF user applications Proficiency in SQL, including database queries and design Knowledge of React (not essential but More ❯
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £120000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
our consulting team. Key Requirements: 3-4+ years development experience with Dynamics 365 Business Central (both on-premise and SaaS versions). Strong knowledge of integrations and APIs (REST, OData, Web Services, etc). Experience across modules such as Warehousing (Tasklet), Service Contracts, and Projects. Familiarity with 3rd party add-ons and ISV solutions. Able to develop extensions (AL More ❯
mobile application development using React Experience with React.js , Next.js , and modern JavaScript frameworks Deep knowledge of Azure cloud services ; AWS exposure is a plus Hands-on experience with Microservices , REST APIs , and integration patterns Proven experience with secure design and compliance-driven architecture Familiarity with Agile/SAFe methodologies Excellent communication, stakeholder engagement, and mentoring skills #J-18808-Ljbffr More ❯
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £120000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
Python, and expected to be hands-on to software development tasks Solid Experience in AWS Cloud development/deployment (other Cloud dev exp. would be a plus) Experience implementing REST APIs (knowledge in API security would be a plus), unit tests and using a test-driven development approach and associated testing tools Familiar with SDLC process Previous experience working in More ❯
Dorset, South West, United Kingdom Hybrid / WFH Options
Crimson
front-end interfaces using HTML, CSS, JavaScript, and modern frameworks. Strong proficiency with WordPress, WooCommerce, PHP, HTML5, CSS3, JavaScript. Experience with custom theme and plugin development. Familiarity with MySQL, REST APIs, and version control (Git). Customize WordPress themes and plugins to meet client needs. Work with APIs, third-party integrations, and custom backend functionality. Collaborate with designers, marketers, and More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Ocho
the team Essential Skills & Experience: Expert-level C# development with experience in .NET Core and .NET Framework Experience designing and building distributed, event-driven systems Strong API development skills (REST and/or GraphQL) Proficient in relational databases (MSSQL, MySQL, etc.) Experience deploying and managing applications in cloud environments (AWS or Azure) Hands-on involvement across the SDLC including QA More ❯
code reviews and support junior developers Document your work clearly for both tech and business teams What You Bring Hands-on Salesforce development experience Strong in Apex, LWC, Visualforce & REST APIs Familiar with integrations (e.g. MuleSoft, Data Loader) Agile mindset, Git/version control, and clean code practices Good communicator who can work with both devs and business users Nice More ❯
Warrington, England, United Kingdom Hybrid / WFH Options
Jsquare
to finish. Familiarity with CI/CD processes through Salesforce DX, GitHub, Gearset, or Jenkins. Experience with work tracking software such as Azure DevOps, GitHub, or Jira. Knowledge of REST API integration and data migration tools such as Data Loader and Talend. Familiarity with Apex Classes and Salesforce clouds (Sales Cloud, Service Cloud, Marketing Cloud). Ability to adapt and More ❯
an agile environment Experience with unit testing frameworks such as JUnit Experience testing backend systems or APIs Bonus Points for the Following Experience with web services technologies such as REST, JSON, or Thrift Testing web applications with Selenium WebDriver Big data technologies such as Hadoop, MongoDB, Kafka, or SQL Understanding network principles and protocols such as HTTP, TLS, TCP Experience More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
iO Associates - UK/EU
code reviews and support junior developers Document your work clearly for both tech and business teams What You Bring Hands-on Salesforce development experience Strong in Apex, LWC, Visualforce & REST APIs Familiar with integrations (e.g. MuleSoft, Data Loader) Agile mindset, Git/version control, and clean code practices Good communicator who can work with both devs and business users Nice More ❯
end tests using Playwright or Cypress (JavaScript). Familiarity with Kubernetes. Confident with CI/CD tools like Jenkins and GitHub Actions. Able to write and run tests for REST APIs, ensuring performance and stability. The interview process has begun, so if you believe you have the right experience then please get in touch ASAP More ❯
end tests using Playwright or Cypress (JavaScript). Familiarity with Kubernetes. Confident with CI/CD tools like Jenkins and GitHub Actions. Able to write and run tests for REST APIs, ensuring performance and stability. Bonus points for: Experience writing shell scripts to automate tasks. Familiarity with development tools like IntelliJ, Eclipse, or Visual Studio. ISTQB certification (or something similar More ❯
end tests using Playwright or Cypress (JavaScript). Familiarity with Kubernetes. Confident with CI/CD tools like Jenkins and GitHub Actions. Able to write and run tests for REST APIs, ensuring performance and stability. Bonus points for: Experience writing shell scripts to automate tasks. Familiarity with development tools like IntelliJ, Eclipse, or Visual Studio. ISTQB certification (or something similar More ❯
Birmingham, West Midlands, England, United Kingdom Hybrid / WFH Options
Nigel Frank International
Practical knowledge of Microsoft Dynamics 365 (CE/CRM), including Power Platform. Strong understanding of CRM architecture, integration methods, and data modelling. Experience integrating with third-party platforms via REST/SOAP APIs. Familiar with Git, CI/CD pipelines, and DevOps methodologies. Agile mindset with experience working in sprint-based environments. Desirable: Microsoft Dynamics 365 certifications. Background in financial More ❯
the UK Open Banking context. Highly experienced solution architect in designing solutions for large-scale API integration projects within the Banking/Payments domain. Deep knowledge and experience in REST API design principles with creation of Swagger/RAML definitions. Experience with API security standards such as OAuth, OIDC, and FAPI. Understanding of Domain Driven Design is beneficial. Expertise in More ❯
architecture Drive innovation and contribute to organisation-wide initiatives and capability building Required Experience & Skills: 16+ years’ experience as an solution architecture Proven technical leadership in Spring Boot, Node.js, REST APIs and AWS (including Lambda, S3, RDS, EventBridge, ECS Fargate, Secret Manager, API Gateway etc). Experience designing event-driven, microservices-based architectures and working with event stores. Demonstrable experience More ❯
as SQL Server, MySQL, or Oracle . Good understanding of OOP, software development life cycle (SDLC) , and version control (e.g., Git). Experience integrating Delphi applications with web services (REST/SOAP) . Ability to understand and work with legacy code . Strong debugging, problem-solving, and analytical skills. Excellent verbal and written communication skills. Pay range and compensation package More ❯
as SQL Server, MySQL, or Oracle . Good understanding of OOP, software development life cycle (SDLC) , and version control (e.g., Git). Experience integrating Delphi applications with web services (REST/SOAP) . Ability to understand and work with legacy code . Strong debugging, problem-solving, and analytical skills. Excellent verbal and written communication skills. Pay range and compensation package More ❯
systems integration with other components within the organization and not just a narrow focus on the cloud. Required Skills AWS - Expert skills needed Terraform/Kubernetes - good knowledge Python REST API Developing CI/CD pipelines using Jenkins Experience in Banking/Financial Services is essential. An AWS Practitioner or Solution Architect certification is highly desirable Should have a solid More ❯