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 ❯
Swansea, Neath Port Talbot, Wales, United Kingdom Hybrid / WFH Options
CPS Group (UK) Limited
With You'll be hands-on with a modern and diverse tech stack, including: C# .NET Core/.NET Framework Knockout.JS TypeScript/JavaScript LINQ, T-SQL AJAX/REST/WebAPI HTML5/CSS3/LESS SQL Server Management Studio, Visual Studio Experience with mobile development (Dart/Flutter) is a bonus, but not essential. Why This Is a More ❯
Redditch, Worcestershire, United Kingdom Hybrid / WFH Options
Smart 1 Recruitment Limited
React/JS/TS Use of version control systems, preferably GitHub ADVANTAGEOUS Bachelor’s degree in computer science or related field Experience with technologies including XML, JSON, SOAP, REST Delivered a commercial product through its full lifecycle from conception to support Experience with application and mobile website development Understanding of secure coding practices Experience supporting and maintaining virtual servers More ❯
Employment Type: Permanent
Salary: £30000 - £40000/annum Private Health Scheme, Pension
Greater London, England, United Kingdom Hybrid / WFH Options
Icebrg.co
Solid technical foundation with hands-on experience in modern web technologies, including React, TypeScript, Python, and cloud infrastructure (AWS preferred) Understanding of API integration patterns, particularly Open API/REST API implementations in financial services contexts Proven track record of successfully managing complex, multi-module/multi-vendor software platforms with extensive third-party integrations Qualifications: STEM degree and certifications More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Judopay
of experience working in an agile environment (SCRUM/Kanban) Ability to quickly understand the full end-to-end functionality of all components within a complex architecture Understanding of REST and RESTful services Capable of working in a small team or independently Strong project management skills Strong problem-solving skills Commitment to achieving high standards Ability to write clear and More ❯
of experience working in an agile environment (SCRUM/Kanban) Ability to quickly understand the full end-to-end functionality of all components within a complex architecture Understanding of REST and RESTful services Capable of working in a small team or independently Strong project management skills Strong problem-solving skills Commitment to achieving high standards Ability to write clear and More ❯
london, south east england, united kingdom Hybrid / WFH Options
Judopay
of experience working in an agile environment (SCRUM/Kanban) Ability to quickly understand the full end-to-end functionality of all components within a complex architecture Understanding of REST and RESTful services Capable of working in a small team or independently Strong project management skills Strong problem-solving skills Commitment to achieving high standards Ability to write clear and More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Judopay
of experience working in an agile environment (SCRUM/Kanban) Ability to quickly understand the full end-to-end functionality of all components within a complex architecture Understanding of REST and RESTful services Capable of working in a small team or independently Strong project management skills Strong problem-solving skills Commitment to achieving high standards Ability to write clear and More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Judopay
of experience working in an agile environment (SCRUM/Kanban) Ability to quickly understand the full end-to-end functionality of all components within a complex architecture Understanding of REST and RESTful services Capable of working in a small team or independently Strong project management skills Strong problem-solving skills Commitment to achieving high standards Ability to write clear and More ❯
Camberley, England, United Kingdom Hybrid / WFH Options
The Nutriment Company
Develop and optimize Shopify + Checkout Extensibility applications. Integrate third-party services, apps, and tools into the Shopify ecosystem to extend functionality. Custom integrations with Shopify APIs (GraphQL and REST). Performance Optimization: Focus on SEO, Lighthouse audits, and general performance improvements to ensure excellent Core Web Vitals scores (LCP, FID, CLS). Implement lazy loading, preloading critical assets, and More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
The Nutriment Company
Develop and optimize Shopify + Checkout Extensibility applications. Integrate third-party services, apps, and tools into the Shopify ecosystem to extend functionality. Custom integrations with Shopify APIs (GraphQL and REST). Performance Optimization: Focus on SEO, Lighthouse audits, and general performance improvements to ensure excellent Core Web Vitals scores (LCP, FID, CLS). Implement lazy loading, preloading critical assets, and More ❯
functional teams and take ownership of high-impact projects. Required skills & experience Proven experience as an Integration Architect, Solutions Architect, or Senior Developer Strong technical expertise in API design (REST, SOAP), data mapping, middleware platforms, and ETL processes. Demonstrable experience integrating Elite 3E, ShareDo, HubSpot, and SharePoint (or similar enterprise systems). Solid understanding of data structures, workflows, and security More ❯
Chicago, Illinois, United States Hybrid / WFH Options
Cognizant
familiarity with ISO 20022 for high-value and low-value payments. Proven experience integrating enterprise payments platforms with in-house applications using API-led and event-driven patterns (e.g., REST, gRPC, messaging, Kafka). Experience with clearing schemes such as Fedwire, ACH, CHIPS, CHAPS, SWIFT (RITS valued) and the surrounding controls for resiliency, recoverability, and monitoring. Strong consultative, communication, and More ❯
donegal, Donegal County, Republic of Ireland Hybrid / WFH Options
CompuStaff
features with Product and Engineering leads. Build clean, accessible UIs (Material Design/MUI or similar). Create wireframes, prototypes, and high-fidelity mock-ups when useful. Develop APIs (REST/GraphQL) and microservices; containerise with Docker. Work in AWS (CLI/local sandbox), automate tests (unit/integration/E2E), and own quality. Research new ideas, build quick POCs … bring 5+ years’ full-stack experience with React/Next.js, Node.js, and TypeScript. Strong HTML/CSS/JavaScript fundamentals; CSS Modules/SASS; component libraries. API design with REST/GraphQL; microservice architecture. Databases: PostgreSQL plus NoSQL/graph exposure. CI/CD and Git; solid testing mindset (Vitest/Jest, Cypress, Testcontainers). Secure by design: token-based More ❯
Swindon, England, United Kingdom Hybrid / WFH Options
Humand Talent
focus on quality and ownership. About You We’re looking for someone with: 2+ years' experience with Flutter and Dart Familiarity with Bloc for state management Confidence working with REST APIs and Git A problem-solving mindset and enthusiasm for clean tech Nice to have: experience with JavaScript frameworks or Java backend services. Benefits £58,000 - £70,000 salary DOE More ❯
salisbury, south west england, united kingdom Hybrid / WFH Options
Humand Talent
focus on quality and ownership. About You We’re looking for someone with: 2+ years' experience with Flutter and Dart Familiarity with Bloc for state management Confidence working with REST APIs and Git A problem-solving mindset and enthusiasm for clean tech Nice to have: experience with JavaScript frameworks or Java backend services. Benefits £58,000 - £70,000 salary DOE More ❯
Falls Church, Virginia, United States Hybrid / WFH Options
Creative Information Technology, Inc
years of experience translating business requirements to technical specifications and working with the development team. A minimum of four (4) years of experience integrating external applications with Salesforce using REST/SOAP. Hands-on experience in Salesforce tools, such as IDE, Eclipse IDE Plug-in, Explorer, Data Loader, and Sublime. Preferred Qualification A minimum of ten (10) years of experience More ❯
Belleville, Illinois, United States Hybrid / WFH Options
Optum
metadata management, master data management, and data migration 3+ years of experience as a team leader or data manager Hands-on experience using Snowflake DBMS Services (Snowsight, SnowSQL, SnowCD, REST API, Snowpark) and Microsoft Azure Cloud infrastructure and services (Azure Data Factory, DevOps, Data Lake Storage, Databricks, Purview, Kubernetes, Maps, etc.) Hands-on experience with Informatica PowerCenter, B2B, Teradata, SQL More ❯
Guildford, Surrey, United Kingdom Hybrid / WFH Options
G.R.E. Recruitment Limited
Java Engineering Manager Role (2+ years exp in Tech Lead or Engineering Manager role) Tech Stack: Essential: Java 8+, Spring MVC, SpringBoot, REST API, Desirable: AWS/Azure/GCP, Microservices, Docker, Mockito/Junit, Grafana, ELK, Kubernetes Award-Winning UK based FinTech Company Surrey- Hybrid - 4 days onsite/1 day WFH £80,000 - £90,000 (Depending on Experience More ❯
Java Engineering Manager Role (2+ years exp in Tech Lead or Engineering Manager role)Tech Stack: Essential: Java 8+, Spring MVC, SpringBoot, REST API,Desirable: AWS/Azure/GCP, Microservices, Docker, Mockito/Junit, Grafana, ELK, KubernetesAward-Winning UK based FinTech CompanySurrey- Hybrid - 4 days onsite/1 day WFH£80,000 - £90,000 (Depending on Experience)G.R.E. Recruitment More ❯
Falls Church, Virginia, United States Hybrid / WFH Options
Rackner
medical/dental/vision, life & disability insurance What You Bring: - 5+ years of software engineering experience (backend, API, or full-stack) - Python, Java, or C# expertise - Experience with REST APIs (FastAPI, AWS Lambda), OpenAPI, and data pipelines (dbt, Airflow, Spark, Iceberg) - Knowledge of FHIR, OMOP, HL7, CDA, and federal compliance frameworks Bonus Experience: - DHA, VA, or federal healthcare IT More ❯
of experience as a Software Developer or related IT position developing with Java. Also requires: 3 years of experience working with JavaScript; Spring; HTML; JEE; SQL; Vert.x framework; and REST services. 3 years of experience with automation scripting and 3rd party API integrations using python. 3 years of experience developing large-scale java applications in Spring framework. 3 years experience More ❯
Essex, England, United Kingdom Hybrid / WFH Options
IT Talent Solutions Ltd
What We’re Looking For Strong experience with React, JavaScript, and CSS, with an eye for UI/UX detail. Proven backend skills in C#, .NET Core, MVC, and REST APIs. Track record of delivering polished, secure, production-ready applications. Degree in Computer Science (or related field). 4–8 years’ commercial development experience. Clear communicator and team player. What More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Next.js) Collaborate with ML, engineering, and product teams on end-to-end solutions Support system reliability, performance, and scalability What we’re looking for: Strong experience with Python & TypeScript REST API development & frontend–backend integration Cloud (AWS) and Infrastructure as Code (Terraform) Exposure to React/Next.js and data visualisation tools Bonus: experience with containerisation, observability, or distributed systems Process More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Next.js) Collaborate with ML, engineering, and product teams on end-to-end solutions Support system reliability, performance, and scalability What we’re looking for: Strong experience with Python & TypeScript REST API development & frontend–backend integration Cloud (AWS) and Infrastructure as Code (Terraform) Exposure to React/Next.js and data visualisation tools Bonus: experience with containerisation, observability, or distributed systems Process More ❯