1 to 25 of 30 Permanent JSON Jobs in London

systems (e.g., RabbitMQ, Kafka). Strong understanding of messaging patterns, asynchronous processing, and distributed system design. Proficient in building RESTful APIs and working with JSON/XML data formats. Experience with SQL and database design (SQL Server or similar). Familiarity with microservices architecture and containerized deployments (Docker, Kubernetes). ...

Familiarity with JUnit for writing and executing test cases Basic understanding of cloud platforms like AWS, Azure, or GCP Strong knowledge of RESTful APIs, JSON, and HTTP Experience with version control tools like Git Experienced in working within Agile/Scrum environments. Familiar with Agile tools such as JIRA, Confluence ...

with strong Java expertise. Hands-on experience with Java 8, Spring, Maven, Git, and JUnit. Strong experience developing and integrating Web APIs (REST/JSON and XML/SOAP). Proven experience delivering complex enhancement and maintenance-focused programmes. Exposure to infrastructure and tooling such as Docker, Ansible, Python ...

processes, JavaScript, T-SQL, formulas, C#, PowerShell and other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text, Excel, etc. Familiarity with .Net development, Microsoft tools and DevOps. Responsible for the development of Azure Logic Apps, Azure Function Apps, workflows ...

business Skills and Experience: Essential 1+ years Microsoft ASP .NET experience C# ASP.NET core MVC/WebAPI Entity Framework RESTful web services and JSON Javascript HTML/CSS Degree in computer science or another closely related subject Desirable T-SQL Web Security and Cryptography React Docker Python Qualities: Team player ...

database queries. Experience in non-functional testing (e.g., performance, load, stress testing) using tools like Neoload is beneficial. Familiarity with financial system testing (XML, JSON, FIX, SFTP, or Swift) is a plus. Knowledge of QA automation methodologies, tools, and agile processes. Strong understanding of testing techniques such as Equivalence Partitioning ...

database queries. Experience in non-functional testing (e.g., performance, load, stress testing) using tools like Neoload is beneficial. Familiarity with financial system testing (XML, JSON, FIX, SFTP, or Swift) is a plus. Knowledge of QA automation methodologies, tools, and agile processes. Strong understanding of testing techniques such as Equivalence Partitioning ...

Spring Boot Hands-on experience with Kafka and asynchronous messaging Experience with API Gateway solutions (Apigee preferred) Strong knowledge of REST APIs, JSON, OpenAPI/Swagger Experience with SQL/NoSQL databases (Oracle, PostgreSQL, MongoDB) Frontend experience with Angular or React Understanding of payment systems and financial services architecture Preferred ...

years technical experience with designing systems utilising OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services using XML/JSON, Spring security, SpringBoot and AMQP/RabbitMQ. Experience in writing SQL query reports and creation of data correction scripts including writing stored procedures using ...

Strong proficiency in Kotlin and Android SDKs, with a deep understanding of Jetpack libraries, Compose and modern Android architecture components. * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Android Studio, GitHub, mobile CI/CD tools, automated testing frameworks and the Play store ...

Java Developer Permanent Location: Home Based Salary: £70,000 - £75,000 Skills: Java 8, Spring, Maven, Git, JUnit, Web APIs (REST/JSON and XML/SOAP), SC Clearance We are looking to recruit an SC Cleared Java Developer to join a leading technology consultancy working on the upgrade, enhancement ...

Curious about how data products are actually used by clients Interest in financial markets, trading, or applied ML Nice to Have Experience with APIs, JSON, or data pipelines Familiarity with back testing, signals, or quantitative strategies Basic SQL knowledge Exposure to financial or commodities markets Tech & Tools You’ll Work ...

Dataverse. Must have project experience in delivering complex solutions. Experience with some of the following development languages such as C#, .Net, JavaScript, HTML, CSS, JSON and experience working with XML based APIs. Experience within Microsoft Office 365 and associated platform products, Azure AD, SSO etc. Ability to work independently ...

Dataverse. Must have project experience in delivering complex solutions. Experience with some of the following development languages such as C#, .Net, JavaScript, HTML, CSS, JSON and experience working with XML based APIs. Experience within Microsoft Office 365 and associated platform products, Azure AD, SSO etc. Ability to work independently ...

across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda, API Gateway, SQS/ ...

core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack ...

Bring 5+ years’ experience delivering production mobile apps for iOS and Android. Strong expertise with iOS/Android SDKs, remote data handling (REST/JSON) and third-party integrations. Solid understanding of mobile architecture, trends and best practices across the entire development lifecycle. Clear, confident communication skills — written, verbal ...

Java Developer Permanent Location: Home Based Salary: £70,000 - £75,000 Skills: Java 8, Spring, Maven, Git, JUnit, Web APIs (REST/JSON and XML/SOAP), SC Clearance We are looking to recruit an SC Cleared Java Developer to join a leading technology consultancy working on the upgrade, enhancement … Java-based applications supporting legacy systems Contribute to iterative development within an Agile/Scrum environment Build and consume web services using REST/JSON and XML/SOAP APIs Write clean, maintainable, and well-tested code Collaborate closely with other developers, testers, and stakeholders Essential Technical Skills Java ...

working knowledge of data integration and modelling, including writing SQL, working with relational databases, and connecting to data sources such as Databricks, data lakes, JSON files, and API-driven services. Experience working confidently across multiple, complex datasets, understanding data lineage, definitions, and limitations, and ensuring outputs are accurate, consistent ...

position, you must have a secure understanding of Java development. In addition to this, knowledge of modern web technologies including HTML, CSS, AJAX and JSON would be advantageous to your application, as would any exposure to IBM Assembler. This is an outstanding opportunity for a graduate to take the first ...

Understanding of Large Language Models (LLMs) and prompt-engineering principles. Highly organised, proactive, and able to manage multiple projects simultaneously. Preferred experience: Familiarity with JSON, XML, or other structured data formats. Experience with rules engines, decision management systems, or low-code/BPM tools. Understanding of knowledge representation, logic ...

Totally Annoy You: A Backend That Doesn't Suck: Their devs speak more than just "protocol." They promise not to send you JSON that looks like it was formatted by a feral raccoon. (We have this in writing) Real Problems, Not Pretend Ones: Forget endless todo apps. ...

understanding of casino game mechanics (RNG behavior, RTP verification, maths balancing, jackpot configuration, bonus rounds). Practical knowledge of RESTful and event driven APIs, JSON validation, server logs, and platform communication flows. Experience with common QA toolsets. Familiarity with regulatory certification and release management processes in emerging markets like Ontario ...

ensure data models align with business and technical goals. Leveraging tools such as ERWin, Sparx, RSA, Visio , and handling semi-structured data formats (JSON, XML, Parquet). SKILLS AND EXPERIENCE The successful Data Modeller will have the following skills and experience: Proven experience in data modelling within consulting or financial ...

between the web session and external connected clients. Functionality: Implement a secure pairing flow (e.g., code-based) that facilitates the bi-directional sync of JSON state data between the web app and remote sessions. D. Interactive 2D Overlay Requirement: A manipulation layer for defining regions of interest. Functionality: Implementation ...