14 of 14 Permanent JSON Jobs in London

Microsoft Power Platform Developer (Copilot Studio Experience)

Hiring Organisation
Crowe UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
GitHub) Source control Ability to write and optimise expressions, formulas, and logic within Power Platform tools Basic knowledge of: JavaScript/TypeScript (for extensions) JSON and API integrations Understanding of: Generative AI grounding and data sources Prompt design and conversation design best practices Managing fallback, escalation, and human handoff scenarios ...

Blazor developer/Senior .NET Integration Engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
system design Develop integrations with third-party systems and internal platforms using APIs Support development of web applications using C#, ASP.NET, Razor, and JSON-based services Skills & Experience 5+ years' experience in .NET Front End development Strong hands-on experience with Blazor (Server and/or WASM) Solid understanding ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON and XML Support and enhance middleware-based integrations (e.g., Boomi) and direct custom integrations Technical Design & Architecture Translate complex business requirements into technical specifications ...

Fabric Data Engineer

Hiring Organisation
Initialize
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Python and/or PySpark for data transformation and automation. Understanding of Power BI, semantic models, DAX and reporting requirements. Experience working with APIs, JSON, CSV, Parquet, Delta tables and common enterprise data formats. Knowledge of data governance, access control, data quality, metadata and lineage. Good documentation skills ...

Integration Developer – Boomi

Hiring Organisation
Required IT
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Working with Azure Integration Services — including Logic Apps, API Management, Service Bus, and Event Grid Working with SQL databases and handling complex data transformations (JSON, XML) Writing clean, maintainable code in Python or similar languages to support integration workflows Contributing to integration strategy and technical architecture decisions Providing technical guidance ...

Technical Product Manager

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
agile scrum team Familiarity with financial asset classes and the trading lifecycle Exposure to SQL and object-oriented languages Understanding of XML, FIX, JSON or other messaging formats and protocols Benefits Comprehensive health and wellness coverage Generous annual leave Continuous learning and development resources Competitive salary, retirement planning and financial ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £75000/annum Great Benefits
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 ...

Power Platform Developer - Hybrid

Hiring Organisation
Silver Birch Rec Ltd T/A Etech Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
collections and variables. Good knowledge of Power Fx formulas and functions. Experience building automated workflows using Power Automate. Experience working with HTTP connectors, Parse JSON and API integrations. Knowledge of custom connectors, REST APIs and web services. Experience implementing error handling, conditions and parallel processing within flows. Ability to work ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume ...

Solutions Architect, Legal Technology

Hiring Organisation
Brimstone Consulting
Location
City of London, London, United Kingdom
Employment Type
Permanent
solutions meet security, compliance, and governance requirements Contribute to solution scoping, costing, and technical decision-making Skills & Experience Strong experience with API integrations (REST, JSON, OAuth, event-driven architecture) Background in cloud ecosystems (e.g. Microsoft 365, Azure or similar) Experience with workflow automation tools (e.g. Power Automate, Logic Apps ...

Ruby on Rails Backend Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Fulham, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum Private Healthcare + Holiday + Pensi
Rails developer with deep expertise in PostgreSQL and background processing via Sidekiq and Redis. You should be highly proficient in building RESTful APIs, managing JSON serialisation, and implementing secure authentication methods like JWT or SSO. Beyond coding, you will possess knowledge of Docker and AWS, alongside the communication skills required ...

Integration Engineer

Hiring Organisation
Pilgrims Europe
Location
Uxbridge, London, United Kingdom
Bring Experience with integration platforms (Seeburger desirable) Strong knowledge of SQL, .NET and system integration concepts Experience working with data formats (e.g. XML, JSON, IDocs) Strong problem-solving and teamwork skills Ability to work in a fast-paced, support-driven environment ...

PostgreSQL Developer

Hiring Organisation
CODEVERSE LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 per annum
Familiarity or exposure to writing procedural code (PL/pgSQL), stored procedures, functions, and triggers. Semi-Structured Data (NoSQL equivalent): Working knowledge of handling JSON/JSONB data types within PostgreSQL. Performance & Integration Awareness: Basic familiarity with indexing strategies, query execution plans (EXPLAIN), or connecting PostgreSQL to wider cloud environments ...

Sales Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
Help us drive revenue growth! You win when our AE wins. We're looking for our first dedicated sales engineer to convert Tiptap users and prospects into customers. You will work closely with the entire ...