1,751 to 1,775 of 2,496 REST Jobs

MID LEVEL FULL STACK DEVELOPER

Location
Edgware, England, United Kingdom
component state. MySQL, with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks. Git, branch-based development and code review. Working carefully with live production systems and sensitive data. Taking a thorough, verify-before-you-ship ...

Delivery Solutions Engineer

Location
Greater London, England, United Kingdom
feedback with Product/R&D. Requirements 3+ years in solutions engineering,system engineering, or system integration (SaaS/web). Strong knowledge of REST APIs, JSON, HTTP, and relational databases (SQL). Understanding complex system architectures and data flow. Experience in debugging, troubleshooting, and analysinglogs. Familiarity with HTML/ ...

Developer

Location
St Albans, England, United Kingdom
component state. MySQL, with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks. Git, branch-based development and code review. Working carefully with live production systems and sensitive data. Taking a thorough, verify-before-you-ship ...

Senior Data Architect

Location
Greater London, England, United Kingdom
financial data domain: securities reference data, corporate actions, market data, and regulatory classifications, fixed income would be highly desirable Understanding of API design principles (REST, GraphQL) and schema evolution strategies for backward compatibility is essential. Direct experience of making data commercially available to AI agents is desirable. Fluent in English ...

Data Analyst

Location
City of Edinburgh, Scotland, United Kingdom
recommendations. It would be beneficial, but not essential, if you have: Experience in retail, e-commerce, FMCG or manufacturing analytics. Experience extracting data from REST APIs. Knowledge of MongoDB or another NoSQL database. Experience using Python or R for analysis, automation or statistical modelling. Experience in demand forecasting, stock optimisation ...

Blockchain Architect

Location
Slough, England, United Kingdom
cloud advocates. Act as a technical liaison between customers, service engineering teams and support. Experience designing and building highly scaled distributed systems and REST services. Should come from a strong development background. Very strong computer science fundamentals in algorithm design, data structures, problem solving, and complexity analysis Thorough understanding ...

Blockchain Architect

Location
Greater London, England, United Kingdom
cloud advocates. Act as a technical liaison between customers, service engineering teams and support. Experience designing and building highly scaled distributed systems and REST services. Should come from a strong development background. Very strong computer science fundamentals in algorithm design, data structures, problem solving, and complexity analysis Thorough understanding ...

IDAM Engineer

Hiring Organisation
Specialist Computer Centres PLC
Location
Inverness, Highland, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
Scripting and automation skills. Experience reviewing and troubleshooting C#/.NET code used in IAM customisations and integrations. Knowledge of LDAP, SQL Server, XML, REST APIs, and web services. Strong analytical, troubleshooting, and root cause analysis skills. Experience working within large-scale enterprise, regulated, or secure environments. Desirable experience with ...

IDAM Engineer

Hiring Organisation
Specialist Computer Centres PLC
Location
Inverness, Highland, UK
Employment Type
Full-time
Scripting and automation skills. Experience reviewing and troubleshooting C#/.NET code used in IAM customisations and integrations. Knowledge of LDAP, SQL Server, XML, REST APIs, and web services. Strong analytical, troubleshooting, and root cause analysis skills. Experience working within large-scale enterprise, regulated, or secure environments. Desirable experience with ...

Senior Mobile Engineer (Android Focus)(Cross platform) - EV Charging - Liverpool Street - £80k + Bonus

Location
City Of London, England, United Kingdom
senior mobile engineer (iOS-leaning) but focusing on Android (with some iOS) Optimising app performance for speed, memory usage, and battery efficiency Integrating with REST/GraphQL APIs for real-time data synchronisation Collaborating closely with a genuinely cross-functional team Writing and maintaining automated tests to ensure app stability ...

Senior Product Engineer (Backend)

Location
Greater London, England, United Kingdom
features to support our high standards of performance, reliability, security and scale, and re-architect existing systems as their scaling demands grow Design REST API contracts for both internal and external consumers that are easy to work with Represent Attio’s Product & Engineering values both internally and externally What ...

AppViewX Integration Engineer

Location
Bradford, England, United Kingdom
Keyfactor. Strong development, scripting, API integration, and process optimization skills are essential. Key Skills: AppViewX Development & Automation Keyfactor Command Integration PKI & Certificate Lifecycle Management REST APIs & Workflow Automation Python/PowerShell Scripting Performance Optimization & Troubleshooting DevOps & Automation Best Practices Experience: 5+ years in AppViewX automation, integration, and enterprise certificate management. ...

Technical Lead - Integration & Architecture

Location
Greater London, England, United Kingdom
decisions Key Skills & Experience: Proven experience as a Solutions Architect or Technical Lead in a retail or omnichannel environment Deep knowledge of integration architecture — REST APIs, event-driven patterns, middleware platforms (Azure Integration Services or equivalent) Experience connecting ERP systems (ideally Microsoft Dynamics or equivalent ERP) to eCommerce and logistics ...

MID LEVEL DEVELOPER

Hiring Organisation
Unico Recruitment (London) Ltd
Location
Barnet, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
component state. MySQL, with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks. Git, branch-based development and code review. Working carefully with live production systems and sensitive data. Due to a very high number ...

OSS Data Architect

Location
Newbury, England, United Kingdom
domains (e.g., Inventory, Performance, Fault, Provisioning, Ticketing etc).* Expert-level knowledge of multiple data ingestion patterns, including batch file processing, API integration (REST/SOAP), RDBMS querying (JDBC), and real-time data streaming (CDC, Kafka, etc.).* Deep understanding of hybrid cloud connectivity and security principles, including VPNs, dedicated ...

Back-End Developer (Magento)

Hiring Organisation
ADLIB
Location
Bristol, Avon, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
including custom modules, Dependency Injection, plugins and observers. Recent experience within a digital agency, software house or fast-paced multi-client environment. Experience with REST or GraphQL APIs, service contracts and third-party integrations. Hands-on checkout and payment experience, including PSP integrations and custom checkout functionality. Strong ...

IT Developer

Location
Kingston upon Thames, England, United Kingdom
flows, or middleware pipelines in a production environment Hands‐on experience with Azure Integration Services, Logic Apps, Service Bus or equivalent Comfortable working with REST APIs, JSON, XML and common authentication patterns (OAuth 2.0, API keys) Experience integrating ERP, eCommerce or logistics platforms is a strong advantage A debugging mindset ...

Solution Engineer

Location
Greater London, England, United Kingdom
listening, presentation, storytelling, and communication skills. Experience leading workshops, whiteboarding sessions, and executive conversations. Technical understanding of APIs, integrations, and web technologies such as REST and JSON. Experience in cybersecurity, digital identity, authentication, fraud prevention, or related technology domains. Ability to engage confidently with both senior business leaders and technical ...

MID LEVEL DEVELOPER

Hiring Organisation
Unico Recruitment (London) Ltd
Location
Borehamwood, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
component state. MySQL , with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks . Git , branch-based development and code review. Working carefully with live production systems and sensitive data. Taking a thorough, verify-before ...

MID LEVEL FULL STACK DEVELOPER

Hiring Organisation
Unico Recruitment (London) Ltd
Location
Edgware, Middlesex, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
component state. MySQL , with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks . Git , branch-based development and code review. Working carefully with live production systems and sensitive data. Taking a thorough, verify-before ...

Solutions Architect - 6 month contract

Location
Greater London, England, United Kingdom
projects Experience delivering system migrations or transformations while maintaining business continuity Strong understanding of integration technologies and application architectures. Understanding of modern integration patterns, REST APIs, modern application and data architecture. Understanding at a protocol level of Single Sign-On (SSO) and identity provisioning technologies such as OAuth, OIDC, SAML ...

Integration Developer

Location
Greater London, England, United Kingdom
flows, or middleware pipelines in a production environment Hands‐on experience with Azure Integration Services, Logic Apps, Service Bus or equivalent Comfortable working with REST APIs, JSON, XML and common authentication patterns (OAuth 2.0, API keys) Experience integrating ERP, eCommerce or logistics platforms is a strong advantage A debugging mindset ...

Developer

Hiring Organisation
Unico Recruitment (London) Ltd
Location
St. Albans, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
component state. MySQL , with experience writing non-trivial queries and an understanding of indexes and query performance. Consuming, integrating and debugging third-party REST APIs and webhooks . Git , branch-based development and code review. Working carefully with live production systems and sensitive data. Taking a thorough, verify-before ...

Frontend Engineer

Location
Greater London, England, United Kingdom
translating design files into clean code An eye for typography, layout, and visual hierarchy, and a habit of sweating the details Familiarity with REST APIs and consuming backend services Strong problem-solving skills and eagerness to learn Bonus Points: Advanced degree or formal training in Design, HCI, Computer Science ...

Senior Data Architect

Hiring Organisation
SIX Group
Location
London, UK
Employment Type
Full-time
financial data domain: securities reference data, corporate actions, market data, and regulatory classifications, fixed income would be highly desirable Understanding of API design principles (REST, GraphQL) and schema evolution strategies for backward compatibility is essential. Direct experience of making data commercially available to AI agents is desirable. Fluent in English ...