1 to 25 of 61 JSON Jobs in London

testing REST APIs, GraphQL services, and microservice-based systems . Experience with API testing tools such as Postman or SuperTest and strong understanding of JSON schema validation . Hands-on experience with performance testing tools such as Apache JMeter, k6, or similar frameworks . Strong understanding of automation design patterns ...

such as HTML, CSS and JavaScript. • Hands‐on experience with tools such as Selenium, Playwright or similar automation frameworks. • Solid understanding of API testing, JSON/XML formats and tools such as Postman or Swagger. • Familiarity with CI/CD pipelines and version control. • Comfortable working in data‐rich environments ...

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 ...

Skills Strong ServiceNow development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal communication ...

Bloomberg, MarkitWire). Strong understanding of multi-system message flows and ability to automate integrations involving outbound/inbound messages (EG: via XML, JSON). Strong SQL/reporting skills and familiarity with API driven automation. Experience with BDD or structured scenarios writing practices is required Ability to conduct root ...

within a team Technical Skills ServiceNow platform development and workflow configuration Web technologies: JavaScript, AngularJS, HTML, CSS, Bootstrap APIs and integrations: REST, SOAP, JSON, HTTP Experience building and maintaining ServiceNow integrations Strong troubleshooting, documentation and debugging capability Desirable Experience Experience with ServiceNow CSM (Customer Service Management) Exposure to Jira ...

building UI tests with tools such as Selenium or Playwright. * Working knowledge of test frameworks such as JUnit or TestNG. * Understanding of APIs, HTTP, JSON and related testing tools. * Comfortable working in data-rich environments and validating data accuracy. * Experience using AI tools within your engineering workflow to accelerate development ...

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 ...

serverless technologies (e.g. AWS Lambda, API Gateway) Solid knowledge of Linux-based systems Ability to write code/scripts (ideally Python, plus YAML/JSON) Experience working with distributed, enterprise-level systems Strong communication skills and ability to work with stakeholders Additional Desirable Skills Experience with tools such as Ansible ...

record delivering across the ServiceNow platform Solid Service Portal development experience Strong technical background across: JavaScript, AngularJS, HTML, CSS, Bootstrap REST/SOAP APIs, JSON, HTTP Experience integrating ServiceNow with other systems Comfortable working in Agile environments Strong troubleshooting and problem-solving skills Nice to Have: Experience with Customer Service ...

Pega architecture and rule resolution, including class structure, rulesets, circumstancing, inheritance, and performance tuning. Experience in building integrations using REST/SOAP services, JSON/XML, and handling real-time and batch data exchanges with upstream/downstream systems. Strong understanding of data modelling in Pega, including Data Pages, data ...

services (strongly preferred) and cloud-native patterns C# or Java Containerisation (Kubernetes/Docker/OpenShift) Infrastructure as code (Terraform) Integration and messaging (APIs, JSON/Swagger/OpenAPI, AMQ or similar) CI/CD and DevOps tooling; Git-based workflows Nice to have Endur modernisation experience (e.g., upgrades, cloud ...

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 ...

Strong ServiceNow development experience Hands-on development experience on the Service Portal Strong technical background using web technologies (specifically HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, REST/SOAP) ServiceNow integration experience ServiceNow Customer Service Management experience desirable ( CIS-CSM certification ideal) ServiceNow Certified Application Developer (CAD) Working within ...

Solid practical experience with Kubernetes Experience across a broad range of GCP services Source control using Git/GitHub Comfortable working with and processing JSON and YAML Strong understanding of cloud security principles and best practices GCP Associate Cloud Engineer certification (or equivalent practical experience) Required Skills Programming experience ...

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/ ...

tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful: R, Apache Spark Very Useful: Python, SQL, JSON, LakeFS ...

beneficial (but not a must have) Experience of SQL Server database systems Working experience with Agile Scrum methodology Experience in following skills: XML, JSON, REST ...

Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/CD pipelines, GitOps workflows ...

migration/transformation programmes* Expertise across conceptual, logical, and physical modelling* Strong stakeholder management skills* Experience working in Agile environments* Knowledge of UML, RDBMS, JSON/XML* Knowledge/experience of Erwin Desirable: * Knowledge of industry data standards (e.g. fpML, FIX, FIBO)* Experience with ontologies (RDF/OWL/ ...

working in cloud environments such as AWS or Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

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 ...

integration environments Strong API integration experience (Shopify, Magento, SAP, Oracle etc.) Experience integrating with ERP, OMS & PIM systems Knowledge of integration methods (API, EDI, JSON, XML, streaming) Familiarity with AWS, SQL & analytics/reporting tools Experience working in Agile environments Strong problem-solving & stakeholder management skills 🌟 This is a high ...