JSON Jobs in London

26 to 50 of 129 JSON Jobs in London

Lead Azure Software Developer

London, United Kingdom
IBM Computing
maintain robust scalable APIs using modern frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. Proficiency Coding Languages JSON JavaScript PowerShell & C# Azure Security: Implement and adhere to best practices in Azure security including identity management access control and threat protection. Front-End Development: Build responsive and user-friendly More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect (Adtech)

London, United Kingdom
Hybrid / WFH Options
Publicis Groupe
CSS, JavaScript), tag managers, and tracking methods (client/server-side). Strong API skills (REST, Postman) and experience troubleshooting integration workflows. Familiarity with data formats (CSV, TSV, XML, JSON) used in ad tech and e-commerce. Experience with SQL and data platforms like BigQuery for analysis and troubleshooting. Understanding of event tracking for impressions, clicks, and conversions via APIs More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead FX Trading Platform Specialist (DIR)

London, United Kingdom
SGS Société Générale de Surveillance SA
architecture (latency budget, throughput, HA & DR, observability). Own protocol & data model standards for client to venue and internal flows (eg FIX 4.4/5.0, REST/gRPC, protobuf, JSON) Hands on Engineering Lead development of price engine, negotiation logic and execution gateways in the target architecture Implement ultra low latency market data handlers and multicast publishers Introduce automated performance More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior ServiceNow Developer

East London, London, England, United Kingdom
eTeam Inc
Role Description:Skills Required:• Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON• ServiceNow Developer certification is a plus• Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.)• Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator)• Micro-services architecture More ❯
Employment Type: Contractor
Rate: £500 per day
Posted:

Senior Full Stack Developer Node/React

London, South East, England, United Kingdom
Arc IT Recruitment
candidates will have at least 6 years full stack development experience with : JavaScript React or Angular Node.js HTML CSS Agile And nice to have : MongoDB GraphQL REST API’s JSON Redis SQL Databases Typescript This is a great opportunity to join an established Team of 8 other Developers. If this sounds like the right opportunity for you please do send More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Senior ServiceNow Developer

London Area, United Kingdom
eTeam
IR35) Role Description: Skills Required: • Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON • ServiceNow Developer certification is a plus • Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) • Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) • Micro-services More ❯
Posted:

Senior ServiceNow Developer

City of London, London, United Kingdom
eTeam
IR35) Role Description: Skills Required: • Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON • ServiceNow Developer certification is a plus • Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) • Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) • Micro-services More ❯
Posted:

C++ Developer

Hounslow, London, United Kingdom
mthree
later, with strong understanding of memory management, concurrency, and object-oriented design. Hands-on experience with AngularJS and front-end development (HTML, CSS, JavaScript). Familiarity with REST APIs, JSON, and web service integration. Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills across the stack. Familiar with version More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 60,000 Annual
Posted:

C++ Developer

Heathrow, Greater London, United Kingdom
mthree
later, with strong understanding of memory management, concurrency, and object-oriented design. Hands-on experience with AngularJS and front-end development (HTML, CSS, JavaScript). Familiarity with REST APIs, JSON, and web service integration. Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills across the stack. Familiar with version More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum Medical, pension & more
Posted:

Senior Data Engineer

London, United Kingdom
Gunvor Group
data warehousing technologies (e.g., Spark, Snowflake, Delta Lake). Strong understanding of data governance, master data management, and data quality frameworks. Solid grasp of web technologies and APIs (REST, JSON, XML, authentication protocols). Experience with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes). Strong communication skills with the ability to explain complex technical concepts to non More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer Lead - NatGas and Power

London, United Kingdom
Gunvor Group
source or commercial products (e.g. PowerBI , Plot.ly, matplotlib) Programming OOP DevOps Application development lifecycle Web technologies HTTP/S HTML/Javascript REST APIs Authentication protocols Data formats (CSV, JSON, XML, Parquet) Experience with time-series databases (e.g., InfluxDB, kdb+, TimescaleDB) and real-time data processing. Familiarity with distributed computing and data warehousing technologies (e.g., Spark, Snowflake, Delta Lake). More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Software Engineer

London, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
in Java, using a broad set of tools, techniques, and platforms, with a focus on proving it works and does the right thing. Experience working with Spring, REST APIs, JSON and Microservices. Good understanding of architecture and cloud native principles Familiar with test driven development approach Experience working with container environments in particular Docker, Kubernetes and Helm (e.g. GCP, Azure More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect (EMEA)

London, United Kingdom
Hybrid / WFH Options
iProov
are nice to have. Knowledge in web-based systems architecture (HTML 5), service-based architecture, enterprise application architecture. Working knowledge of web service technologies (Web APIs, REST, SOAP, WCF, JSON, XML). Previous mobile app development experience (Android or iOS or Cross Platform) is desired. Familiarity with industry standard tools used for development and debugging: Web Proxy - Postman, Fiddler; Mobile More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Technical Consultant

London, United Kingdom
iManage
Experience handling sensitive data in heavily regulated industries while adhering to data security policies Application integration and/or development skills using JavaScript, Python, REST APIs and experience with JSON Implementation delivery skills, including the ability to install, deploy, validate, and troubleshoot multi-product solutions and integrate with other systems while following product best practices while prioritizing user and functional More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

London, South East, England, United Kingdom
Lorien
ZOS Connect EE, DB2 Rest, and CICS web services. Utilize development tools such as FileAid, Xpeditor, IBM Explorer for ZOS API, and Visual Studio. Work with SOAP, WSDL, and JSON for web services development. Manage code repositories, bug tracking tools, and wikis using Gitlab, Endevor, JIRA, and Confluence. Implement DevOps and Agile methodologies, including CI/CD practices with Jenkins. More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Scala Developer

City of London, London, United Kingdom
Stealth iT Consulting
Required Skills and Experience: Strong commercial experience in Scala development. Hands-on experience with the Play Framework . Solid understanding of functional programming principles. Experience working with REST APIs , JSON, and HTTP protocols. Familiarity with version control systems (Git). Agile/Scrum delivery environment experience. Understanding of TDD/BDD and automated testing frameworks. Experience working on public sector More ❯
Posted:

Scala Developer

London Area, United Kingdom
Stealth iT Consulting
Required Skills and Experience: Strong commercial experience in Scala development. Hands-on experience with the Play Framework . Solid understanding of functional programming principles. Experience working with REST APIs , JSON, and HTTP protocols. Familiarity with version control systems (Git). Agile/Scrum delivery environment experience. Understanding of TDD/BDD and automated testing frameworks. Experience working on public sector More ❯
Posted:

Senior Automation Engineer

London, South East, England, United Kingdom
eTeam Inc
focus on backend and API testing • Proficient in JavaScript programming language. • Hands-on experience with API testing tools and frameworks (e.g., Postman, Pytest, Requests) • Solid understanding of RESTful APIs, JSON, XML, and other data formats • Experience with PostgreSQL or other relational databases for test data management • Familiarity with React and front-end testing frameworks (e.g., Selenium, Cypress) is a plus More ❯
Employment Type: Contractor
Rate: £350 per day
Posted:

Senior WordPress Developer

West London, London, United Kingdom
Evermore Global Sourcing Ltd
workload and priorities in a remote-friendly setting Extensive hands-on WordPress development experience Strong knowledge of PHP, JavaScript, React, and Gutenberg Experience with custom blocks, RSS feeds, and JSON APIs Solid understanding of front-end performance and web standards Familiar with Git and version control principles Experience working in Agile teams and using tools like JIRA Excellent communication skills More ❯
Employment Type: Permanent
Salary: £90,000
Posted:

Senior Python Developer

London, United Kingdom
Onyx-Conseil
asynchronous python development (asyncio module) Experience with Docker containers, micro services, and CI/CD pipeline a plus Experience with Django, Flask is a plus Working knowledge with MongoDB, JSON, sync/async architecture Working knowledge of networking theory (TCP/IP) or strong desire to learn it You collaborate with other engineers and people in the organization to improve More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

D365 FO Integration Developer

London, United Kingdom
Experis - ManpowerGroup
. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes. Knowledge of data mapping, XML/CSV/JSON formats, and handling large transaction volumes with retries, idempotency, and throttling. Expertise in Azure integration services (e.g., Service Bus, Event Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

D365 FO Integration Developer

London, United Kingdom
Experis
. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes. Knowledge of data mapping, XML/CSV/JSON formats, and handling large transaction volumes with retries, idempotency, and throttling. Expertise in Azure integration services (e.g., Service Bus, Event Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics More ❯
Employment Type: Contract
Rate: £500 - £650 per day
Posted:

Software Engineer

Hounslow, England, United Kingdom
Scalian
a strong understanding of memory management, concurrency, and object-oriented design . Hands-on experience with AngularJS and front-end development ( HTML, CSS, JavaScript ). Familiarity with REST APIs , JSON , and web service integration . Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills across the stack. Familiar with More ❯
Posted:

Full Stack Software Engineer

London, United Kingdom
Lloyds Banking Group
in Java, using a broad set of tools, techniques, and platforms, with a focus on proving it works and does the right thing. Experience working with Spring, REST APIs, JSON and Microservices. Good understanding of architecture and cloud native principles Familiar with test driven development approach Experience working with container environments in particular Docker, Kubernetes and Helm (e.g. GCP, Azure More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Solutions Lead (Insurance Broking)

London, United Kingdom
Hybrid / WFH Options
Oneglobal Broking
queries, debug issues and improve Performance optimization, indexing Experience using database mail (dbmail) SQL Server job agent Comfortable working with structured and semi-structured data files (CSV, Excel, XML, JSON). Technical Skills - Power BI Prototype, design, develop and publish Power BI Reports Develop Power BI Data models and recommend best practices for report creation and visualisations Use different Power More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
JSON
London
10th Percentile
£46,960
25th Percentile
£52,500
Median
£67,500
75th Percentile
£81,250
90th Percentile
£108,750