1 to 25 of 37 Permanent JSON Jobs in London

optimizing SQL queries on PostgreSQL databases. Strong experience with multithreading, data structures, and concurrency scenarios. Proficient in using REST APIs, XML, JAXB, and JSON in creating layered systems. Experience with AWS Services (AWS Lambda, AWS CloudWatch, API Gateway, ECS, ECR, SQS, SNS). Familiarity with Open AI APIs, Agentic ...

control, authentication and authorization controls. · Extensive experience in communication with other systems via restful API's. · Solid experience with of web data formats including JSON and XML · Experience with automating networking technologies a plus. · Familiarity with front-end web development using HTML, bootstrap, CSS, JavaScript and React. · Working knowledge ...

experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable ...

Your Profile Strong proficiency in Reactjs JavaScript ES6 TypeScript HTML5 and CSS3 Experience with state management ReduxMobX and componentbased development Familiarity with RESTful APIs JSON and integration with backend services Knowledge of web performance optimization security standards and responsive design Excellent problemsolving and communication skills Preferred Qualifications Experience in Banking ...

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 ...

Developer and a Junior Developer. Experience Extensive experience of developing websites and web applications using PHP 8+, MySQL, JavaScript, HTML5, CSS3, AJAX/JSON Good working understanding of CMS and frameworks such as Drupal, WordPress, Craft and Laravel Proficiency and application of WCAG 2.2 accessibility guidance Knowledge of microservices, APIs ...

integrations from third-party systems using APIs connected to back-office systems. Build and maintain web applications to support business processes (C#, Razor, ASP.NET, JSON, Redis Cache, Microservices). Technical Skills & Experience 5+ years of professional experience in .NET-based front-end development. 5+ years of hands-on expertise ...

ServiceNow platform, including functionality, database structure, developer APIs, and development tools. Proficient in Web Technologies (e.g., JavaScript, SOAP/REST web services, XML & JSON). An open and friendly personality with strong customer-facing skills in both a virtual and face to face setting (including the ability to deliver presentations ...

/CloudFormation) CI/CD pipelines (e.g. Jenkins, Git) Serverless tech (AWS Lambda, API Gateway) Linux systems knowledge Scripting/coding (Python, YAML/JSON) Experience with enterprise systems Strong communication skills ...

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 ...

CICS webservices, ZOS Connect EE, DB2, and batch processing. Strong skills in mainframe transaction management, JCL, and system debugging tools. Familiarity with SOAP, WSDL, JSON, and integration patterns such as SOA and RESTful APIs. Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. ...

first products that deliver measurable value. • Develop and deploy production‐grade AI agents on GCP using ADK, integrating with internal systems via REST and JSON APIs. • Build and maintain robust evaluation and monitoring frameworks, including online and offline testing, A/B experiments and performance dashboards. • Integrate AI agent functionality ...

asset security protocols. Technical Experience: Experience designing/leading a team that is API-forward and has built distributed scalable,systemsusingOpenJDK, Gradle,Intellij,Postgresql, JSON, JUnit, Quartz, JWT, JOOQ, Liquibase, Docker, Kubernetes, AWS Cloud Stack, Confluentand more. Hands-on experience with modern engineering tools and practices (e.g., Kubernetes, microservices ...

Cisco NSO – Service development and lifecycle Apache Airflow Hasi Corp Vault Openshift Automation development Python Fast API Rest API Netconf Yang modelling XML/Json Jinja/TextFSM Pytest Unit testing Database MongoDB DevOps Docker Git CI/CD Kubernetes Networking Ciena 517x/8180/8114 Nokia BNG/ ...

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 ...

EntraID, Group Policy Strong exposure to automation (Azure DevOps, GitHub, Puppet, Terraform) Good understanding of provisioning and configuration systems – DSC, ARM Python, PowerShell, CLI, JSON SQL, SQL Azure, MS Fabric, Databricks IIS (Internet Information Services) Windows Operating System (Windows 10, Windows 11) Windows Server (2016, 2019, 2022, 2025) Exposure ...

external clients. Excellent verbal and written communication skills, including presentation abilities and relationship-building across all levels. Basic understanding of coding principles (e.g., JSON, HTML), API integration, and data analytics tools. Basic understanding of artificial intelligence concepts, with curiosity and enthusiasm for learning how AI tools can be used ...

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 ...

customer experience platforms.* 3+ years leading large, strategic, and complex enterprise deals.* Deep technical fluency with web/scripting technologies (HTML, CSS, JavaScript, JSON, LLMs, MCP) and SaaS architectures.* Proven success in positioning the business value of technical solutions and the strategic role of Professional Services and Partners.* Hands ...

scalable workflows. Strong communication skills and comfort working across functional teams, particularly with technical stakeholders. What Would Make You Stand Out: Experience with SQL, JSON, API logs, or data troubleshooting. Exposure with AI agents and implementation of Agentic workflow within Marketing. Knowledge of customer journey analytics platforms (e.g., Adobe ...

/S/4HANA patterns), TMS, WMS, carrier/telematics platforms, customer master systems Own integration architecture across: Inbound/outbound APIs (REST/JSON), event-driven messaging (queues/topics), batch feeds, file-based interfaces (S3-based exchanges), structured email fallbacks Demonstrate practical experience with API management and integration ...

OpenSSH, Kubernetes and service mesh certificate architectures (mTLS, SPIFFE/SPIRE style identities). Proficiency with scripting and automation (Python, PowerShell, Bash, Go, JSON) and IaC tools (Azure DevOps, Terraform, Ansible). Experience modernising TLS certificate and SSH key management processes, uplifting protocol versions, and improving trust configurations. Knowledge ...

Experience with automotive infotainment systems, including integration of broadcast radio services (DAB+, FM, AM) and IP-based streaming platforms Strong knowledge of RESTful APIs, JSON, cloud-based services, and API testing tools such as Postman or Swagger Experience working with technical products and cross-functional delivery teams Good understanding ...

provider Experience with billing systems in multiple currencies Technologies we use (not exhaustive): React, TypeScript, JavaScript, HTML, CSS Babel, Webpack, Eslint, Prettier REST, GraphQL, JSON Schema, JSON:API CDNs (Fastly, Cloudflare) GitHub, BuildKite MySQL, Redis, Pulsar, Memcache Python, Django, FastAPI, Go, Gin, React, RabbitMQ, Celery, MySQL, DynamoDB, Cassandra, Redis DeepL ...

+ Bonus and Benefits. You will responsible for full system implementation projects and proof of concept (POC) projects, project management, client on-boarding, optimisation, JSON, Python, APIs, scripting, derivatives and/or trading lifecycle understanding, etc. * Be able to understand, at least at a high level, how Prime Brokerage margin ...