or equivalent in similar languages (essential). Using Blazer Web Assembly and Telerik to create web client applications or GUI web design using similar frameworks and techniques. Use of RESTful APIs to obtain and manipulate data. At least one year's experience of Microsoft (or similar) SQL queries to extract and manipulate data in multi-tabled normalised databases (essential). More ❯
more specialist clouds (Marketing Cloud, CPQ, Experience Cloud, Field Service). Strong understanding of integration patterns (synchronous, asynchronous, pub/sub, streams, orchestration vs. choreography). Proven experience building RESTful and SOAP APIs, including API security and governance. Proficiency in DataWeave transformations and Mule 4 development. Knowledge of common integration protocols (HTTP, JMS, FTP/SFTP, JDBC) and cloud connectors. More ❯
bradford, yorkshire and the humber, united kingdom
Alscient
more specialist clouds (Marketing Cloud, CPQ, Experience Cloud, Field Service). Strong understanding of integration patterns (synchronous, asynchronous, pub/sub, streams, orchestration vs. choreography). Proven experience building RESTful and SOAP APIs, including API security and governance. Proficiency in DataWeave transformations and Mule 4 development. Knowledge of common integration protocols (HTTP, JMS, FTP/SFTP, JDBC) and cloud connectors. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Xelix
team. This is a varied and challenging programming role. Tasks could include writing code to manage incoming data, working with AI Engineers to analyse huge data sets, or writing Restful APIs in Django to support the React front end. Our ideal candidate takes pride in their work – producing clean, tested, beautiful code. Rather than give you a detailed set of More ❯
years of software development experience, including 3+ years with React Native & TypeScript. Experience with Python3, Django, PostgreSQL, Redis, Rest APIs, or similar modern programming languages and frameworks. Familiarity with RESTful APIs to connect mobile applications to back-end services. Proficient understanding of code versioning tools, such as Git. You take ownership of code quality, ensuring your work is testable and More ❯
oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯
oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯
oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯
london (city of london), south east england, united kingdom
Vallum Associates
oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯
oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud experience More ❯
is a bonus Key Responsibilities Design, develop, and maintain full-stack applications using Python, Django, and modern front-end frameworks (React, React Native, or similar). Develop and maintain RESTful APIs and integrate third-party services. Build scalable, secure, and high-performance backend architectures. More ❯
Liverpool, Merseyside, England, United Kingdom Hybrid / WFH Options
Adria Solutions
authentication, and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications. Strong understanding of RESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS, microservices architecture. More ❯
london, south east england, united kingdom Hybrid / WFH Options
InfoSec People Ltd
microservices. You'll work with senior engineers to design, build and operate secure, reliable services that protect users in real time. What you'll do Design, develop and secure RESTful APIs and serverless microservices (AWS). Optimise data access across MySQL/RDS and NoSQL (DynamoDB); write efficient queries. Automate deployments (CI/CD), add observability, and ship with high More ❯
City of London, London, United Kingdom Hybrid / WFH Options
InfoSec People Ltd
microservices. You’ll work with senior engineers to design, build and operate secure, reliable services that protect users in real time. What you’ll do Design, develop and secure RESTful APIs and serverless microservices (AWS). Optimise data access across MySQL/RDS and NoSQL (DynamoDB); write efficient queries. Automate deployments (CI/CD), add observability, and ship with high More ❯
microservices. You’ll work with senior engineers to design, build and operate secure, reliable services that protect users in real time. What you’ll do Design, develop and secure RESTful APIs and serverless microservices (AWS). Optimise data access across MySQL/RDS and NoSQL (DynamoDB); write efficient queries. Automate deployments (CI/CD), add observability, and ship with high More ❯
london, south east england, united kingdom Hybrid / WFH Options
Client Server
environment. Your Role As a Fidessa Developer, you will: Design and implement new features and enhancements on the Fidessa platform Build high-performance services using Java, Spring Boot and RESTful APIs Collaborate closely with stakeholders across business and technology teams Drive technical solutions from concept to deployment within a Capital Markets context Location/WFH: You'll be based in More ❯
and booking systems . Strong knowledge of low-latency systems and real-time processing . Familiarity with messaging platforms, especially 29 West (Ultra Messaging) . Microservices architecture, Spring Boot , RESTful APIs. Experience with data analytics and pricing models . Exposure to multi-asset products like interest rate swaps, bonds, and futures. TO BE CONSIDERED... This is a unique opportunity to More ❯
St. Albans, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
passion for the environment Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Prior experience with some of the following methodologies:- Containerisation: Docker- MQTT, RESTful URL Data Integration- Deep Learning Neural Network Platforms Previous experience with Enterprise Linux Platforms Experience of leading/mentoring a team of developers If you are interested in the role More ❯
St. Albans, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
passion for the environment Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Prior experience with some of the following methodologies:- Containerisation: Docker- MQTT, RESTful URL Data Integration- Deep Learning Neural Network Platforms Previous experience with Enterprise Linux Platforms Experience of leading/mentoring a team of developers If you are interested in the role More ❯
Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green More ❯
london, south east england, united kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green More ❯
Experience of developing software products for use within a Water/Hydrological Environment (e.g. rivers, flood risk, etc.) Prior experience with some of the following methodologies:- Containerisation: Docker- MQTT, RESTful URL Data Integration- Deep Learning Neural Network Platforms Previous experience with Enterprise Linux Platforms Experience of leading/mentoring a team of developers If you are interested in the role More ❯