1 to 25 of 37 JSON Jobs in Central London

Implementation Engineer

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
enterprise environments. Experience building integrations with systems such as ERP, CRM, workflow engines. Familiarity with: Spring/Spring Boot REST APIs XML/JSON SQL & NoSQL databases Web application frameworks (JSP/Servlets, JSF, or modern front end is a plus) Tools & Platforms Version control (Git) Build tools (Maven/ ...

Java Specialist

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
hands-on skills in: Java 8/17, Spring, Spring Boot, Hibernate, JEE, MVC, Swing, JSP, Webservices (REST/SOAP), Angular/AngularJS, jQuery, JSON, HTML, CSS, XSLT Expertise with: Tomcat, JBoss EAP, Apache, SQL, Oracle, PL/SQL, XML, Maven, Ant, CI/CD (Azure Pipeline), Jira, Subversion Experience ...

Senior Automation Test Engineer - ETRM / Trading Platforms

Hiring Organisation
DataCareers
Location
City Of London, England, United Kingdom
with an ETRM platform with as many of the following as possible: Programming & Scripting: Python, Java, JavaScript, C++, Scriban Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js Databases: SQL Server, MySQL, PostgreSQL, MongoDB Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell Operating Systems: Linux, Windows ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
/17+) Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive in high ...

Senior Data Engineer

Hiring Organisation
Acxiom UK
Location
City of London, London, United Kingdom
both synchronous and asynchronous endpoints Experience with Snowflake or Redshift with a strong understanding of SQL. Proficient in Python and Pandas Experience working with JSON and XML Strong understanding of cloud computing concepts and services (AWS preferably) Experience with Git or equivalent version control systems and CI/CD pipelines. ...

Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/CDK ML Ops & Automation: MLFlow, feature ...

Senior UI Developer

Hiring Organisation
Apexon
Location
City of London, London, United Kingdom
CSS3 skills •Experience with popular React.js workflows (such as Redux) •Familiarity with RESTful APIs and integration •Knowledge of modern authorization mechanisms, such as JSON Web Tokens •Understanding of front-end build tools and pipelines •Excellent problem-solving and communication skills •A strong attention to detail, and a passion for delivering ...

Java Technical Lead

Hiring Organisation
Cubiq Recruitment
Location
City of London, London, United Kingdom
Aurora, DynamoDB and Redis Experience working on SaaS products. Background in booking, payments or e-commerce is useful Experience designing REST APIs and building JSON/XML APIs Comfortable working in an Agile (Scrum) team Experience with microservices and SaaS architectures Experience leading teams using CI/CD. GitLab experience ...

React JS Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Strong proficiency in React JS , JavaScript (ES6+) , HTML5 , and CSS3 . Experience with state management tools (Redux, Context API). Familiarity with REST APIs , JSON , and asynchronous programming. Knowledge of version control systems (Git) and build tools (Webpack, Babel). Understanding of responsive design and UI/UX principles. ...

Java Developer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
building production microservices (Spring Boot/Quarkus/Micronaut). Hands-on expertise with Kafka (topics, partitions, consumer groups, schema registry/Avro/JSON, Kafka Streams/KSQL is a plus). Practical experience deploying to OpenShift (routes, deployments, operators) or Kubernetes (Helm, manifests). Solid understanding of payments ...

Data Quality & Governance Analyst

Hiring Organisation
Lombard Odier Investment Managers
Location
City of London, London, United Kingdom
with knowledge of portfolio management, trade operations, client reporting, or regulatory reporting. Experience in languages such as SQL (Python/XML/YAML/JSON a plus) Familiarity with governance tools (e.g., Open Metadata, Collibra, Alation) and quality tools (e.g., Collibra). Excellent analytical, problem-solving, and communication skills. Exposure ...

Senior Java Software Engineer

Hiring Organisation
Salt
Location
City of London, London, United Kingdom
design skills in technologies such as Oracle Splunk DevOps principles, processes and tooling IBM MQ Messaging Standards, for example ISO 15022, ISO 20022 and JSON Working in Financial Market Infrastructure and/or Regulated environments ...

Network Services Engineer

Hiring Organisation
NETS-International Group
Location
City of London, London, United Kingdom
platforms, leveraging NSO's core atomic transaction engine. ● Integrate the NSO platform with northbound systems (e.g., OSS/BSS, IT service portals) via RESTCONF, JSON-RPC, and other APIs to enable end-to-end automation. ● Adhere to software development best practices, including version control (Git), code reviews, unit testing ...

Lead Data Engineer

Hiring Organisation
S.H.I.F.T
Location
City of London, London, United Kingdom
Strong experience in IaC and able to guide how one could deploy infrastructure into different environments. Knowledge of handling and transforming various data types (JSON, CSV, etc) with Apache Spark, Databricks or Hadoop. Good understanding of possible architectures involved in modern data system design (Data Warehouse, Data Lakes, Data Meshes ...

Electronic Data Interchange Developer

Hiring Organisation
TRIA
Location
City of London, London, United Kingdom
Skills & Experience Strong knowledge of EDI protocols (ANSI X12, EDIFACT) and transport standards (AS2). Hands-on experience with API design and integration (REST, JSON, XML). Familiarity with integration platforms such as MuleSoft, Dell Boomi, or Azure Logic Apps. Understanding of authentication protocols (OAuth2, JWT) and data security best ...

APIGEE Architect

Hiring Organisation
Cognizant
Location
City of London, London, United Kingdom
standards and best practices in API development. Testing & Validation: Utilise Swagger and Postman for efficient REST API testing and validation. Development & Integration: Work with JSON, REST API, JavaScript, and PHP to enhance API functionality and user experience. Collaboration & Leadership: Partner with telecom domain experts to tailor API solutions for industry ...

Senior Product Manager - Trade compliance

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, London, United Kingdom
/internal stakeholder requirements for product development. Work alongside with development team to deliver those requirements. Demonstrate ability to understand technical language i.e. REST, JSON, XML and accurately communicate to non-technical staff. Show analytical problem-solving, troubleshooting, sourcing technical solutions. Demonstrate excellent teamwork with an ability to handle multiple ...

Developer - D365 CE

Hiring Organisation
Morson Edge (Technology)
Location
City of London, London, United Kingdom
Automate flows and Canvas Apps Strong skills in Dynamics 365 CRM configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership Experienced in developing Dynamics plugins and enhancing forms with JavaScript and HTML ...

Dynamics 365 CE Developer

Hiring Organisation
Morson Edge
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 550 per day
Automate flows and Canvas Apps Strong skills in Dynamics 365 CRM configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership Experienced in developing Dynamics plugins and enhancing forms with JavaScript and HTML ...

Senior AI Engineer

Hiring Organisation
Xcede
Location
City of London, London, United Kingdom
knowledge domains. What You’ll Be Doing Build and manage data ingestion pipelines capable of processing various document types, including text files, spreadsheets, structured JSON, and audio sources Design intelligent retrieval systems that combine structured chunking, advanced indexing, re-ranking methods, and hybrid search approaches Develop machine learning ...

Python Developer

Hiring Organisation
Insight Global
Location
City of London, London, United Kingdom
Haves 4+ years of Python development experience. Strong understanding of monitoring platforms and scripting. Ability to schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience ...

iOS Developer

Hiring Organisation
YEO Messaging
Location
City of London, London, United Kingdom
SwiftUI Knowledge of mobile app architecture, MVC/MVVM, and design patterns Familiarity with version control systems such as Git Understanding of API integration, JSON, and third-party libraries Experience writing unit and UI tests to ensure robustness Experience with creating SDK's for deployment across multiple applications Strong problem ...

Senior Data Analyst

Hiring Organisation
Clarksons Research
Location
City of London, London, United Kingdom
progress and supervising junior analysts, data engineers and developers Excellent demonstratable SQL skills including complex queries, stored procedures and spatial Working knowledge of Python, JSON and DAX Ability to deliver actionable insights clearly using visualisation tools such as Power BI Strong numerical, data handling and analytical skills in relation ...

🌳 Full-Stack Software Engineers SC/DV Cleared — Multiple Openings 🌳

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based runtime on AWS ; Infrastructure-as-Code via CDK/… Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible Quality & Analytics: Postman API, testing ...

Technical Support Engineer

Hiring Organisation
FRESH
Location
City of London, London, United Kingdom
points. ️ Ideal Candidate Profile 2+ years in a technical support role within a SaaS or cloud-based software company. Strong understanding of REST APIs , JSON , authentication flows, and integration patterns. Confident analysing logs, network requests, and browser dev tools. Experience with common support platforms (Intercom experience is beneficial). Excellent ...