26 to 50 of 59 REST Jobs in Chelmsford

will gain exposure to cutting-edge technologies while working alongside some of the industry's brightest minds. Technical skills required: C#, .NET, Python, Blazor, REST APIs, gRPC, GraphQL, MS SQL Server. Any experience of the following will be useful: Docker, Kafka, Sentry, Grafana Degree education is preferred, but we will More ❯

systems as well as downstream applications. Required: Excellent Rust (can be non-professional experience). Experience working with async code. Experience with exchange connectivity (REST, WebSockets, FIX) Experience with Python. Experience with SQL. Experience with AWS. Comfortable working on Linux command line to debug applications. Excellent problem solving skills. Strong More ❯

preference for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is technically strong and More ❯

have experience of designing and developing distributed, scalable systems with message queues (SQS) and PostgreSQL databases You are experienced with web API architecture e.g. REST APIs You have experience of working on SaaS products with Amazon Web Services (AWS), CloudFormation, Terraform You are familiar with big data and analytics, machine More ❯

desirable. Demonstrated success in developing scalable and secure architecture for e-commerce businesses. Proficiency in Adobe Commerce Cloud, PHP, MySQL, and web services integration (REST/SOAP). Strong knowledge of frontend (HTML, CSS, JavaScript frameworks) and backend (API design, server-side architecture) best practices. Key Responsibilities As our solutions More ❯

process compliance. Test Architectecture Design testing frameworks, strategies, and toolchains. Advise on choosing tools (e.g., UFT vs Selenium) and scaling automation. API Testing Validate REST/SOAP APIs for functionality, reliability, security. Tools: Postman , SoapUI , RestAssured , Swagger . Mobile Testing Focus on mobile app quality across Android/iOS devices. More ❯

Experience with Flask or similar server-side frameworks Solid front-end skills with React (or similar modern JS libraries) Comfortable working with (and developing) REST APIs, MongoDB, and familiarity with deploying software to the cloud Familiarity with CI/CD, containerisation, and scalable deployment strategies Self-motivated team player who More ❯

each other as humans first. Key Responsibilities • Design and implement scalable, event-driven backend services using Python and AWS Lambda • Build and refine APIs (REST and GraphQL) using AppSync, API Gateway, and EventBridge • Work with DynamoDB, Aurora Serverless, and S3 for cloud-native data solutions • Collaborate with frontend (Vue.js) and More ❯

of Version Control and automated build systems (Git and Jenkins). Experience of UNIX/LINUX command line. Experience consuming RPC style services (Thrift, REST, etc). Willingness to use Kotlin Compose, and knowledge of UX best practices. Strong interpersonal and relationship building skills, with the ability to collaborate with More ❯

assist developers in creating and maintaining integrations from Workday. Demonstrated proficiency with developing Workday Integrations using Workday Studio, EIB, Core Connectors, Workday Web Services, REST/SOAP APIs. Must have Studio experience. Knowledge of Workday HCM modules, including Core HCM, and Payroll. Demonstrated proficiency in Workday Report Writing. Proficient written More ❯

the requirements for the role: 4+ years of hands-on experience with Salesforce Development Hands-on experience using APEX, Visualforce, LWC Strong experience with REST and SOAP API integrations Salesforce Certified - PD1 Ideally Exposure to various Salesforce clouds including Sales, Service and Experience Cloud. Experience with Agile/Scrum methodologies More ❯

etc. Desirable A keen interest in crypto markets and technology. (example projects in this space will be advantageous.) Familiar with application-layer communication protocols (REST/WebSockets) Familiar with Python. Familiar with the Linux command line. Note: As Crypto markets are 24/7, some out of hours support will More ❯

Dart experience. Ideally 3+ years commercial Mobile/Flutter experience. Must have a good understanding of Application State Management and packages. Experience working with REST API's. Must have excellent communication and stakeholder/client communication skills, as at times you will be liaising with and representing the business in More ❯

moving, customer facing delivery environments The Technical Shizzle: Microsoft Sentinel (KQL, Analytics Rules, Workbooks, Watchlists) Azure Function Apps, Logic Apps, ARM templates PowerShell, Python, REST APIs Log ingestion and parsing across multi platforms (Azure/AWS/GCP, M365, Defender, Entra, Copilot, Carbon Black, Okta + Tier 1 Network vendors More ❯

key part of integrating new AI features and tooling into the platform. 🏠 Location: UK, fully remote 💰 Pay: £90-100k 💻 Skills: Flutter, Dart, Mobile, REST, Xcode, TDD Why join Lead and mentor a team of Engineers in an agile environment Architect and build robust, scalable features in a growing Flutter More ❯

involved in designing, developing, and maintaining key features of their platform. Please find the requirements below: Technologies Backend: Node.js, TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs, MySQL, NoSQL databases, Kafka Frontend: React.js, NextJS, TypeScript, Chakra UI, React Query, GraphQL integration Other: Figma (ability to interpret complex design and business logic More ❯

data modelling skills – designing and developing a dimensional model. Identify & deploy appropriate file formats for data ingestion Tech Stack SQL Python Web APIs – SOAP, REST DBT Have worked on denormalised data Has worked on an Enterprise DataWarehouse with Kimball/Data Vault etc methods Benefits Package Fully remote, forever Annual More ❯

using the right file formats and tooling Collaborating with cross-functional teams to deliver impactful data solutions Tech Stack: SQL & Python Web APIs (SOAP, REST) DBT Dimensional modelling & denormalised data structures Benefits: Fully remote (UK or Ireland) 45 days annual leave (including bank holidays) Annual bonus 5% company pension L More ❯

languages such as Bash or Python Extreme comfort with log investigation and configuration file management Issue ticketing systems such as Jira APIs such as REST IDEs such as IntelliJ Java systems More ❯

in designing, developing and deploying ODA solutions Strong understanding of conversational AI principles and NLP concepts Experience integrating ODA with various backend systems using REST APIs and other integration methods Experience with ODA development tools and platforms Excellent problem-solving and analytical skills Work effectively both independently and as part More ❯

full lifecycle of onboarding, meeting timescale requirements Requirements One of the below: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least More ❯

Forex markets CentOS/REHL Scripting/coding experience Extreme comfort with log investigation and configuration file management Issue ticketing systems APIs such as REST IDEs such as IntelliJ Java systems More ❯

enablement Key Skills Required ✅ Strong knowledge of Oracle Financials, SCM, and Manufacturing data models ✅ Minimum 5 years of hands-on integration experience (SOAP/REST, APIs, platforms) ✅ Proven experience leading technical/development teams ✅ Oracle Cloud Infrastructure (OCI) understanding and exposure ✅ In-depth knowledge of open interfaces and Oracle modules More ❯

the software lifecycle (shift-left security, secure coding, threat modelling). Own the implementation of secure authentication/authorization practices, audit logging, encryption at rest/in transit, and other application security standards. Ensure software and infrastructure meet organizational security and compliance requirements (e.g., GDPR, ISO 27001, OWASP Top … browser frameworks) Backend : PHP (Symfony, Smarty), C# (.NET Core), Azure Functions (Node.js/PowerShell), PowerShell Database : MSSQL, PostgreSQL (including JSON), MySQL/MariaDB Integration : REST APIs, ETL, Azure Data Factory DevOps/Infra : CI/CD pipelines (e.g., GitHub Actions, Azure DevOps), containerization, Azure PaaS Security : Secure development lifecycle, OWASP More ❯

workflows, and secure handling of data across our platform. Create and manage automated test suites using tools compatible with Java (e.g., JUnit, TestNG, Selenium, REST Assured). Validate REST APIs, backend services, browser-based interfaces, database interactions, and multi-threaded service components using manual and automated approaches. Participate in regression … heavy Java environment. Solid understanding of Java, OOP principles, and the Java ecosystem. Hands-on experience with test automation frameworks (e.g., JUnit, TestNG, Selenium, REST Assured). Familiarity with version control systems (e.g., Git) and build tools (e.g., Maven or Gradle). Experience testing RESTful APIs and backend services. Strong More ❯