1 to 25 of 27 JSON Jobs in Central London

Software Engineer

Location
City of Westminster, England, United Kingdom
Awareness of clean coding and SOLID principles. Exposure to AWS cloud services. Experience with JUnit or other testing tools. Basic knowledge of XML/JSON data formats and Unix shell scripting. Familiarity with version control and build tools like Git, Maven, Jenkins. Behavioural Competencies Collaborative team member eager to support ...

PKI Security Engineer / CLM Implementation Engineer

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
NIST PQC standards, crypto-agility, discovery and migration planning is required. Automation & Integration Skills (Highly Desired) * PowerShell, Python and Bash scripting. * REST APIs, JSON, OAuth/service authentication & secure automation patterns. * Infrastructure as Code and configuration automation, such as Terraform, Ansible etc * CI/CD platforms & Git-based source control. ...

Boomi Architect

Location
City of Westminster, England, United Kingdom
with business, architecture & delivery stakeholders. Support modernization, migration & presales activities. Required Skills Dell Boomi AtomSphere, API Management, Boomi Flow REST/SOAP Services, XML, JSON, SQL B2B/EDI MFT Integrations Integration Patterns and Enterprise Architecture OAuth, SAML, JWT, Security Best Practices CI/CD, DevOps Cloud Platforms (AWS, Azure ...

Python Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
PostgreSQL OpenSearch Redis/Valkey GuardDuty WAF CloudTrail NGINX and containerised logging solutions. Identity and access management concepts including OIDC and SAML . JSON Schema development and validation. Technical writing and creation of integration documentation. Threat modelling and security-focused development practices. Additional Desirable Attributes Experience running technical workshops ...

Power Platform Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£50000 - £70000/annum 33 days AL, negotiable
Platform Developer Commercial experience developing solutions using Power Apps and Power Automate. Experience with Dataverse and Power Platform governance concepts. Understanding of Power FX, JSON, JavaScript, and system integration principles. Exposure to Power Automate Desktop, Copilot Studio, or similar automation technologies. Familiarity with Microsoft 365 and Azure environments. Strong problem ...

Software Engineer

Location
City Of London, England, United Kingdom
environment the ability to collaborate across teams and take the lead on projects Skills that will help you succeed Comfort working with XML and JSON, making API calls, and reading or writing scripts to debug application logic Programming/scripting language experience, particularly JavaScript, PHP, HTML, Java, XSLT ...

Senior Data Engineer

Location
City Of London, England, United Kingdom
Advanced SQL, including window functions, query optimization, and MERGE/UPSERT operations. Python and PySpark. You write reusable, parameterized functions and work comfortably with JSON, CSV, and Parquet. Platform knowledge Deep experience with Databricks (Declarative Pipelines, DABS, Delta Lake, Spark optimization, job orchestration). Familiarity with the Azure ecosystem. Working ...

Lead Data Engineer

Location
City Of London, England, 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 ...

Power Platform Engineer

Location
City Of London, England, United Kingdom
Context Protocol, Agent‐to‐Agent and LLM selection (advantage). Software development experience, including proficiency in one or more of the following: Python, JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services, and PowerShell. Desirable: experience with Power Pages. EU Characteristics that can spell success for this ...

Marketing Technology Manager

Location
City Of London, England, United Kingdom
flows and event-driven decision-making in marketing platforms Familiarity with common platform integration methods (website tag managers, API authentication, retry/error handling, JSON, webhooks) Ability to interpret and edit JavaScript/Python code, and comfort articulating and discussing technical requests to engineers Familiarity working with or around ...

Senior Technical Business Analyst - Business Applications - Salesforce

Location
London Borough of Southwark, England, United Kingdom
initiatives, ideally supporting sales, service, or customer operations workflows Technical skills Systems architecture & integrations: Solid understanding of modern integration patterns, web services (REST/JSON), and middleware; hands‐on experience authoring technical interface specifications and source-to-target data mapping documents Process mapping & prototyping: Advanced proficiency using visual modeling tools ...

AI Automation / Application Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Shiny applications. Integration & Data: Proficient in SQL and connecting services via RESTful APIs. Generative AI: Practical experience integrating LLM APIs, prompt engineering, and structured JSON outputs. Delivery Mindset: Disciplined version control (Git) and ease working iteratively with non-technical end users. Preferred Qualifications The following qualifications are advantageous: Experience with ...

Senior Service Analyst

Location
City Of London, England, United Kingdom
materials. Nice to Have Experience in fintech, capital markets, structured products or supporting financial-services clients. Knowledge of APIs, Postman, system integrations, XML/JSON, logs, SQL or similar troubleshooting tools. Experience with Jira Service Management, ITIL practices and Major Incident Management. What Success Looks Like Operate confidently within ...

DevSecOps Engineer

Location
City Of London, England, United Kingdom
into how we build, automate, harden and ship How we're setup We build primarily with JavaScript and TypeScript, using Node.js. We use a JSON format called Apple News Format for Apple News delivery, which we will provide training on. Our data runs on MongoDB ...

AI Analyst (London)

Location
City Of London, England, United Kingdom
reconciling messy datasets You can use SQL and ideally Python or another scripting language to analyse or transform data You have worked with APIs, JSON, developer tools and automation platforms such as n8n, Make, Zapier, UiPath or similar You have practical experience using or integrating LLMs such as OpenAI, Claude ...

Workday Integration Specialist

Hiring Organisation
Johnson Matthey Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
understanding of HR, Payroll and people data processes, with knowledge of data governance, security controls, compliance requirements and integration best practices. Proficiency in XML, JSON and XSLT, with experience interpreting technical specifications, working with vendor integrations and translating business requirements into effective technical solutions. Strong analytical and problem-solving skills ...

Associate Software Developer (Web)

Location
City Of London, England, United Kingdom
closely with developers, testers, and product stakeholders to understand requirements, clarify details, and deliver practical solutions. Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework) Tooling ...

Integrations Lead

Location
City Of London, England, United Kingdom
middleware platform (Boomi, MuleSoft, Workato, Informatica, SnapLogic, Azure Integration Services or similar), including at least 2 years in production Strong REST/SOAP API, JSON/XML and data-mapping skills Salesforce integration experience Experience writing integration requirements and test scripts Production support and root-cause analysis Soft skills Self ...

Edge Networking Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
migration or refresh experience, with detailed migration plans, rollback procedures and disciplined change management Git and GitHub daily, working Python, and comfort with YAML, JSON and Jinja2; able to use CI/CD network change pipelines and familiar with Terraform Solid IP addressing, subnetting and DHCP relay, network monitoring (SNMP ...

Principal Software Developer (Web)

Location
City Of London, England, United Kingdom
scales. Collaboration: Partner closely with the Desktop application development team to ensure feature compatibility and parity Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework) Tooling ...

Senior Front End D3 Javascript Software Engineer - Holborn

Location
Camden Town, England, United Kingdom
proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity ...

Quant Analyst

Location
City Of London, England, United Kingdom
product payoffs and code in PHP fully to build mapping logic to translate banks’ input in XMLs into the risk‐engine’s input in JSON strings. Communicate with Tier 1 bank clients and internal service desks, performing Monte‐Carlo simulations to provide risk analysis, finding efficient and effective solutions ...

Quantitative Risk Engineer for Structured Products

Location
City Of London, England, United Kingdom
product payoffs and code in PHP fully to build mapping logic to translate banks’ input in XMLs into the risk-engine’s input in JSON strings. · Communicate with Tier 1 bank clients and internal service desks, performing Monte-Carlo simulations to provide risk analysis, finding efficient and effective solutions ...

Geospatial Data Engineer

Hiring Organisation
Coburg Banks Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Role: Geospatial Data Engineer Location: Central London - Hybrid (2-3 days per week in the office) Salary: £75,000 - £90,000 An exciting opportunity for an experienced Geospatial Data Engineer to join an innovative technology ...

Credit Risk Decision Systems Analyst

Location
City Of London, England, United Kingdom
skills who can independently investigate discrepancies between expected and actual credit decision outcomes while ensuring the integrity of credit risk strategies. Key Responsibilities: Review JSON payloads and credit decision outputs to ensure accuracy and completeness. Validate decisioning outputs against expected credit risk strategy behaviour. Assess end‐to‐end credit decision … Strong hands‐on experience with SAS . Advanced proficiency in Microsoft Excel . Experience working with Credit Risk Decision Systems . Ability to analyse JSON payloads and decision outputs. Experience building and using decision emulators for validation. Good understanding of data validation, business rules, and system integration. Domain Knowledge Strong ...