1 to 25 of 45 DemandTrendContract REST Jobs in London

well-tested code and help improve performance. Requirements: 3+ years’ Ruby on Rails experience in production Strong JavaScript, HTML/CSS skills (Stimulus/Turbo/React) Knowledge of REST APIs, PostgreSQL, testing (RSpec/Minitest) Excellent communication and self-management in remote work Nice to have: Tailwind CSS, DevOps, Stripe/API integrations, startup experience. About the Project We More ❯

environment Proficiency in HTML, CSS, JavaScript, and frameworks such as React, Angular, or Vue.js Experience with D3.JS or similar advanced visualisation libraries Strong understanding of API development and integration (REST, GraphQL) Familiarity with database technologies and query languages (SQL, NoSQL) Experience working with data sources such as Microsoft Fabric’s Data Lake, Power.B.I., Qlik Sense, Airtable, and Databricks Good grasp More ❯

you'll be doing: Designing, developing, and customizing modules, workflows, and plug-ins within SuiteCRM. Building new features and maintaining existing functionality with performance and scalability in mind. Developing REST/SOAP API integrations with external systems. Working closely with business analysts, QA, and UI/UX teams to translate requirements into technical solutions. Troubleshooting and resolving bugs, technical issues More ❯

you'll be doing: Designing, developing, and customizing modules, workflows, and plug-ins within SuiteCRM. Building new features and maintaining existing functionality with performance and scalability in mind. Developing REST/SOAP API integrations with external systems. Working closely with business analysts, QA, and UI/UX teams to translate requirements into technical solutions. Troubleshooting and resolving bugs, technical issues More ❯

peer code reviews Collaborating with designers, product managers, and QA to deliver high-quality releases SKILLS & EXPERIENCE Strong commercial experience with Python/Django and React Solid understanding of REST API design and integration Proficiency with relational databases (PostgreSQL preferred) Experience in secure coding practices, ideally within regulated environments (healthcare, finance, etc.) Familiarity with cloud platforms (AWS/GCP) and More ❯

Develop engineering capability through coaching, recruitment, and career development aligned with DDaT frameworks. Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security. Detailed knowledge of best practices such as SOLID principles Experience of building new and evolving microservices with emphasis on high availability More ❯

performance, scalability, and security. Support integration with cloud platforms, automation, or data pipelines. Required Skills & Experience: Strong proficiency in Python and related frameworks (Django, Flask, FastAPI). Experience with REST APIs, microservices, and backend development. Knowledge of databases (PostgreSQL, MySQL, MongoDB). Familiarity with cloud platforms (AWS/Azure/GCP) and CI/CD practices. Strong problem-solving, debugging More ❯

work. The role is fully remote with very occasional site visits required. Key focus: Designing, developing, and customising SuiteCRM modules, workflows, and plug-ins Building and maintaining API integrations (REST/SOAP) Troubleshooting, optimising performance, and ensuring data integrity/security Collaborating with analysts, QA, and UX teams to deliver robust solutions Requirements: 8+ years' hands-on experience with SuiteCRM More ❯

Senior Guidewire ClaimCenter Developer 6+ years’ experience with ClaimCenter, Guidewire Certified. Strong in Gosu, Java, SOAP/REST, Studio, Messaging, Data Model, Rules & Workflows. Lead development, integrations, mentoring, code reviews, and performance optimization. Agile/Scrum experience with solid problem-solving and communication skills. Guidewire ClaimCenter Business Specialist/Analyst 5+ years’ experience with ClaimCenter, Guidewire Certified (preferred). Skilled More ❯

and resolve technical issues and defects. Required qualifications Experience developing on the ServiceNow platform in a professional setting. Proficiency in JavaScript, Glide API, and ServiceNow development tools. Familiarity with REST/SOAP APIs, IntegrationHub, and MID Servers. Understanding of ITIL processes and service management principles. Strong problem-solving and communication skills. Preferred Qualifications ServiceNow Certified System Administrator (CSA). One More ❯

Developer Strong JavaScript, Glide API, and ServiceNow development tooling Experience creating workflows, client scripts, UI policies, and business rules Understanding of ITIL processes and service management principles Familiarity with REST/SOAP APIs, IntegrationHub, and MID Servers Excellent problem-solving and communication skills Active SC clearance required Desirable: ServiceNow CSA certification, CIS certifications (ITSM, HRSD, SPM), Agile/Scrum exposure. More ❯

Developer Strong JavaScript, Glide API, and ServiceNow development tooling Experience creating workflows, client scripts, UI policies, and business rules Understanding of ITIL processes and service management principles Familiarity with REST/SOAP APIs, IntegrationHub, and MID Servers Excellent problem-solving and communication skills Active SC clearance required Desirable: ServiceNow CSA certification, CIS certifications (ITSM, HRSD, SPM), Agile/Scrum exposure. More ❯

Siebel architecture, configuration, and scripting (eScript, VB). Practical experience with Siebel migrations (upgrades, data migration, environment refresh). Expertise in Siebel integrations using EAI, web services (SOAP/REST), APIs or MQ. Proficiency in Oracle databases, SQL and PL/SQL. Familiarity with Agile ways of working and cross-functional collaboration. Nice to Have: Experience with Siebel 24.X+ Exposure More ❯

Siebel architecture, configuration, and scripting (eScript, VB). Practical experience with Siebel migrations (upgrades, data migration, environment refresh). Expertise in Siebel integrations using EAI, web services (SOAP/REST), APIs or MQ. Proficiency in Oracle databases, SQL and PL/SQL. Familiarity with Agile ways of working and cross-functional collaboration. Nice to Have: Experience with Siebel 24.X+ Exposure More ❯

and resolve technical issues and defects. Required qualifications Experience developing on the ServiceNow platform in a professional setting. Proficiency in JavaScript, Glide API, and ServiceNow development tools. Familiarity with REST/SOAP APIs, IntegrationHub, and MID Servers. Understanding of ITIL processes and service management principles. Strong problem-solving and communication skills. Preferred Qualifications ServiceNow Certified System Administrator (CSA). One More ❯

Integration Developer on enterprise-scale programmes, preferably in Higher Education. experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid Experience building and managing REST APIs and implementing API-first integration designs Experience integrating cloud systems (Salesforce, Canvas LMS, or other SaaS platforms. Experience with SITS or other legacy student systems, particularly around data integration More ❯

and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) Expertise in integration strategy, API management, and canonical data models. Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms. Familiarity with integrating legacy systems (SITS) with modern cloud-native systems. Solid understanding of Agile delivery, sprint planning More ❯

and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) Expertise in integration strategy, API management, and canonical data models. Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms. Familiarity with integrating legacy systems (SITS) with modern cloud-native systems. Solid understanding of Agile delivery, sprint planning More ❯

including JVS, OpenComponents, and AVS Scripting. Solid understanding of energy trading products (power, gas, oil, renewables) and trade life cycle processes. Proficiency in Java, SQL, and integration technologies (eg REST, MQ, XML). Experience with Endur modules such as Connex, Market Manager, Scheduling, and Settlement is a plus. Excellent communication and stakeholder engagement skills. Agile delivery experience and familiarity with More ❯

SCM) Oracle Integration Cloud (OIC) - strong integration development experience Oracle Cloud ERP tools - Application Composer, BI Publisher, OTBI, Groovy Scripting, Workflow Designer Oracle SOA Suite - hands-on development experience REST/SOAP APIs and PL/SQL - proficient development skills Complex troubleshooting abilities for integration and application issues Strong communication skills for technical and business stakeholders Bonus Points For: Oracle More ❯

secure, and scalable integrations for an end client. Key Requirements: Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. Active Security Clearance (SC) Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. Experience with ETL processes, error handling, idempotency More ❯

and implementation of robust, secure, and scalable integrations for an end client. Key Requirements: Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. Experience with ETL processes, error handling, idempotency More ❯

on experience with enterprise-scale migrations.??? Tech Environment: STIBO STEP (PIM)? Java 17+ (Java 21 preferred) Micronaut/Spring Boot? JUnit/Mockito? Kafka/MongoDB? GraphQL Federation/REST APIs? Gradle? Terraform/OpenTelemetry/Dynatrace Key Responsibilities: Architect and lead the end-to-end migration of STIBO STEP to SaaS Collaborate with internal teams and external vendors to More ❯

on experience with enterprise-scale migrations. Tech Environment: STIBO STEP (PIM) Java 17+ (Java 21 preferred) Micronaut/Spring Boot JUnit/Mockito Kafka/MongoDB GraphQL Federation/REST APIs Gradle Terraform/OpenTelemetry/Dynatrace Key Responsibilities: Architect and lead the end-to-end migration of STIBO STEP to SaaS Collaborate with internal teams and external vendors to More ❯

SCM) Oracle Integration Cloud (OIC) - strong integration development experience Oracle Cloud ERP tools - Application Composer, BI Publisher, OTBI, Groovy scripting, Workflow Designer Oracle SOA Suite - hands-on development experience REST/SOAP APIs and PL/SQL - proficient development skills Complex troubleshooting abilities for integration and application issues Strong communication skills for technical and business stakeholders Bonus Points For: Oracle More ❯