18 of 18 Remote/Hybrid 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/ ...

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 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 ...

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 ...

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 ...

Python Developer

Hiring Organisation
microTECH Global LTD
Location
City of London, London, United Kingdom
have significant experience developing using these technologies. - Experience using Linux as a target development platform - Hands-on experience with technologies such as REST, HTTP, JSON and docker - Exposure of commonly used test frameworks such as Pytest, Google Test Framework - Skilled with common front-end technologies such as HTML ...

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 ...

Associate Director - Java Engineer / Technical Data Analyst - Derivatives Technology

Hiring Organisation
Talensa Partners
Location
City of London, London, United Kingdom
regulatory reporting use cases. Experience & Skills required: High Proficiency of hands on coding ability in Java/Python and has worked in data formats: (JSON, DSL, FpML), Code Editors such as (IntelliJ, PyCharm, VSCode, Eclipse) Preferably Data modelling of financial products, transactions and lifecycle events Proactive worker on Technical projects ...

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 ...

Product Owner (Zendesk)

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
certifications or advanced admin experience. Experience with telephony integrations (Zendesk Talk, Amazon Connect, Aircall, etc.). Scripting or API familiarity to support platform integrations (JSON, REST APIs). Experience with data analytics tools (Looker, Tableau, Power BI). ...

Implementation Manager (Fintech)

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
Requirements include: 5+ years’ experience in implementation, delivery or client onboarding within payments or fintech Strong knowledge of payment systems, APIs and integrations (Postman, JSON, REST, etc.) Proven project management skills with excellent organisation and communication A consultative mindset, able to translate complex technical concepts into business value Ability ...

PIM Technical Analyst

Hiring Organisation
InfoSec People Ltd
Location
City of London, London, United Kingdom
background in PIM , data modelling and product content syndication. Experience delivering technology roadmaps and leading PIM implementations. Understanding of DAM workflows and API integrations (JSON, CSV, XML). Confident stakeholder management and experience managing external partners. What’s in It for You Competitive salary + discretionary bonus. 25 days holiday ...

Scala Developer - Remote Contract - Immediate Start

Hiring Organisation
Stealth iT Consulting
Location
Central London, UK
functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimization. Proven experience ...

Scala Developer - Remote Contract - Immediate Start

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimization. Proven experience ...

Scala Developer - Remote Contract - Immediate Start

Hiring Organisation
Stealth iT Consulting
Location
Central London / West End, London, United Kingdom
functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimization. Proven experience ...