12 of 12 JSON Jobs in the City of London

Senior Software Engineer

Hiring Organisation
JNC Recruitment Limited
Location
City of London, London, United Kingdom
principles (TypeScript, HTML, CSS/SCSS) Strong SQL Server (T-SQL) Experience of building and consuming web services and APIs (SOAP, REST using XML, JSON ) In line with the Conduct Regulations 2003, when advertising permanent vacancies JNC Recruitment are acting as an Employment Agency, and when advertising temporary/contract ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Move beyond surface-level checks; you will utilize SQL and exploratory techniques to identify root causes within high-velocity messaging streams ( FIX, Swift, XML, JSON ). Pipeline Mastery: Own the quality gate within the CI/CD lifecycle, ensuring automated triggers and data quality checks are seamless and fail-safe. ...

Workday Integration Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with various data formats like XML, JSON, and CSV for data exchange and transformation. Database Skills: Understanding of database concepts and SQL for managing and querying data. Security and Authentication: Knowledge ...

Integration Engineer

Hiring Organisation
La Fosse
Location
City of London, London, United Kingdom
related field. Minimum of 3 years’ experience in integration engineering, preferably with Boomi or similar iPaaS platforms. Proficiency in web services (SOAP, REST) , XML , JSON , and SQL . Experience in cloud application integration and working within agile environments. Strong analytical, problem-solving, and collaboration skills. Excellent written and verbal communication. ...

Mulesoft Architect

Hiring Organisation
167 Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Anypoint Platform (Studio, API Manager, Runtime Manager) Solid understanding of API-led connectivity and enterprise integration patterns Experience with REST, SOAP, RAML/OpenAPI, JSON, XML Strong DataWeave development and transformation experience Familiarity with CI/CD pipelines and cloud deployment models Ability to manage both design-level architecture ...

Digital Platform Architect (power platform)

Hiring Organisation
Morgan Philips Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
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 ...

Java Developer – Market Connectivity

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
Platform. Experience with electronic market protocols: FIX (4.x/5.x) Market-specific APIs (Tradeweb, Bloomberg, MTS, etc.) Binary/Streaming protocols (ITCH, FAST, SBE, JSON over TCP). Familiarity with low-latency patterns, high-throughput messaging, and microservices. Additional Skills Experience with Linux, shell scripting, and performance analysis tools. Knowledge ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London, Tunbridge wells, Ipswich, Bolton ...

DevOps Engineer (Fully Remote) Inside IR35 | 6-12 Month Contract

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
/CD platforms or DevSecOps. Jenkins & Groovy: Expert-level knowledge of Jenkins Shared Libraries and Groovy. Python Mastery: Advanced Python automation skills, specifically for JSON/YAML processing and tooling scripts. Security & Compliance: Deep understanding of supply-chain security, including SLSA, CycloneDX SBOM, and digests . Tooling: Proficiency with SonarQube ...

Lead Data Engineer(Kakfa/Openshift)

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
dashboards/alerts. Proficiency in Python or similar languages for ETL/ELT, enrichment, and validation workflows. Solid experience with Avro/Protobuf/JSON schemas and compatibility best practices. Knowledge of observability frameworks and ability to drive towards Level 4 maturity (proactive automation). Understanding of multi‐cluster ...

Oracle Developer

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £650 per day
builds and enhancements to current workstreams. Essential experience: Strong development background Oracle Integration Cloud Oracle Fusion Cloud Integration work with SOAP, REST, JSON OIC, Postman, Curl Oracle VBCS ERP and HCM integrations via OIC OAUTH, IAM, JWT GIT, XML, JSON, XSLT Desirable: Public cloud and security knowledge DevOps background Experience … processes Understanding of secure development practices Interested? Please apply below. Oracle Integration Cloud, OIC, Oracle Fusion, Oracle ERP, HCM, VBCS, OCI, Integrations, REST, SOAP, JSON, SC Cleared, Inside IR35. ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. Proven experience ...