701 to 725 of 752 REST Jobs in London

Senior Software Engineer - London

Location
Greater London, England, United Kingdom
your numbers. By 12 months you'll know the design and trade-offs of the whole evaluation system, and be the person the rest of H asks about evaluations. Who you'd work with Ceiran Chapman, our VP Engineering, is hiring for this role. You'd join the evaluation team. … Have operated distributed systems on Kubernetes in a public cloud. AWS experience helps most. Have built and shipped systems end to end, including APIs (REST or GraphQL) and integrations with outside services. Know relational and non-relational databases, and message queues such as SQS, RabbitMQ or Kafka. Instrument what ...

IGA Senior Engineer / Architect (SailPoint & Identity Governance)

Location
Greater London, England, United Kingdom
Leaver, access requests, certifications, RBAC, SoD). Integrate IGA platforms with authoritative sources (HR systems, Active Directory, Entra, LDAP) and target applications using connectors (REST, SCIM, JDBC, etc.). Develop and customise workflows, rules, and transforms to meet client needs. Support authentication and access management initiatives, including … Experience integrating IGA platforms with HR systems (e.g., Workday, SAP), ServiceNow, and other enterprise applications. Proficiency in scripting (PowerShell, JavaScript, BeanShell) and API integration (REST, SCIM, JDBC). Excellent communication and stakeholder management skills, with the ability to explain complex technical concepts to non-technical audiences. Consulting mindset, with experience ...

Senior Partner Agent Architect (UK)

Location
City of Westminster, England, United Kingdom
Guide partners and customers on API design, authentication, data transformation, field mapping, error handling, and integration patterns. Build, configure, test, or troubleshoot integrations using REST APIs, webhooks, JSON/XML payloads, and tools such as Postman. Collaborate with Forward Deployed Engineers on complex or custom integration scenarios beyond standard platform … multiple systems and data sources. Experience with enterprise SaaS platforms such as CRMs, ERPs, ticketing systems, contact center platforms, or workflow tools. Proficiency in REST APIs, JSON/XML, API testing tools such as Postman, and authentication patterns including OAuth, API keys, and JWT. Experience reading API documentation, defining field ...

Senior Back End Node.js Developer | Hybrid London + Remote

Location
Greater London, England, United Kingdom
As a Senior Backend Node.js Developer at Cabiri, you will play a crucial role in designing, developing, and maintaining our software solutions. You will work collaboratively with cross‐functional teams, utilizing your expertise in back ...

Head of Engineering (F/H/X)

Location
Greater London, England, United Kingdom
technical interview: Backend & platform : Node.js/TypeScript, mainly NestJS, with Prisma and Kysely on the data side, exposed via GraphQL (Apollo) and REST documented with OpenAPI/Swagger. Frontend : React (18/19) in TypeScript, Vite, with Chakra UI, MUI and Radix UI depending on the project, Redux Toolkit … very hands‐on role given the team size Solid full‐stack technical background: comfortable with a Node.js/TypeScript ecosystem (NestJS, GraphQL/REST) and React An interest in real‐time audio processing: voice effects and singing scoring are a real subject here (latency, audio quality, synchronization ...

Senior iOS Developer – Banking – London

Location
Greater London, England, United Kingdom
ended challenges. Key Skills & Experience Strong experience developing native iOS applications. Commercial experience with Swift. Experience working with UIKit and MVVM architecture. Knowledge of REST APIs and mobile application integration. Experience with unit and integration testing using XCTest/XCUITest. Familiarity with CI/CD tools such as GitHub Actions … problem-solving skills and ability to work independently. Exposure to legacy Objective-C codebases is beneficial. Technologies You'll Work With Swift UIKit MVVM REST APIs Objective-C XCTest/XCUITest GitHub Actions CircleCI Tuist Mobile CI/CD & Automation Tools *Rates depend on experience and client requirements #J ...

Staff Software Engineer - Backend

Location
Greater London, England, United Kingdom
reason about them clearly, often seeing value in a less obvious approach that others miss, and you can explain your thinking to the rest of the business, including non-technical stakeholders. You pair deep technical expertise with relentless curiosity about why complex systems behave the way they … ever losing your grounding in solid engineering fundamentals. What You Will Do Build & Scale: design, build, and optimise high-throughput distributed services over HTTP REST and gRPC, owning them end-to-end from concept through to production on our Kubernetes platform; Gateway & Mesh: own and operate our API gateway, built ...

Salesforce Solution Architect

Location
Greater London, England, United Kingdom
Components, Platform Events, and APIs Ensure compliance with platform limits, performance standards, and governance Integration & Ecosystem Alignment Define and validate integration patterns using REST/SOAP APIs, events, and middleware (e.g., MuleSoft) Ensure robust data flows, ownership models, and system interoperability Align Salesforce solutions with enterprise architecture standards Governance & Quality … Components, and data modelling Proven ability to design solutions within Salesforce governor limits Experience with API‐led and event‐driven architectures Strong understanding of REST/SOAP APIs and middleware platforms (e.g., MuleSoft) Solid knowledge of Salesforce data architecture Agile Delivery Experience working in Agile Scrum environments Strong involvement ...

Senior Salesforce Developer

Location
City Of London, England, United Kingdom
across the wider Salesforce ecosystem. Drive adoption of modern Salesforce capabilities and development best practices. Integration & Technical Delivery Design and develop Salesforce integrations using REST APIs, SOAP APIs, Platform Events and enterprise integration patterns . Lead technical delivery across integrations, data migration, custom development and third-party applications . Support … Strong knowledge of Salesforce architecture, administration, configuration, security models, workflow automation, validation rules and data management . Experience designing and supporting enterprise integrations using REST/SOAP APIs , alongside strong knowledge of Salesforce integration and application development patterns. Strong experience with asynchronous Apex , including Batch Apex, Queueable Apex and Future ...

Data Engineer (AI) - London

Location
City Of London, England, United Kingdom
Processing (NLP) extract of unstructured data into structured meta-data through the use of tools such as Semantic understanding and meaning (Python, use of REST API). Support ensuring the data flow of any external content coming in is handled to the latest US and EU AI Acts concerning … reporting knowledge based off intricate understanding of business process and measures. Knowledge of Snowflake cloud data warehouse and Azure cloud is preferred. Knowledge of REST API. Good knowledge of SQL Server databases and Python programming language is required. Knowledge of C# is a bonus as is working with Azure data ...

AI Data Engineer: NLP & LLM ETL in Snowflake/Azure

Location
City Of London, England, United Kingdom
Processing (NLP) extract of unstructured data into structured meta-data through the use of tools such as Semantic understanding and meaning (Python, use of REST API); Support ensuring the data flow of any external content coming in is handled to the latest US and EU AI Acts concerning AI which … reporting knowledge based off intricate understanding of business process and measures; Knowledge of Snowflake cloud data warehouse and Azure cloud is preferred; Knowledge of REST API; Good knowledge of SQL Server databases and Python programming language is required; Knowledge of C# is a bonus as is working with Azure data ...

Systems Integrator

Location
Greater London, England, United Kingdom
legacy and future environments, ultimately transforming OEGEN into an efficient, data-driven organization. About the role The tools are already here. Like the rest of OE Group, OEGEN runs on Databricks, we're moving onto our own Microsoft 365 tenant, and Octopus Energy Group gives us access to a powerful … translate them into things we can build. What You'll Need Strong systems integration experience - connecting business systems, SaaS tools and data sources via REST APIs, connectors and authentication flows. A track record of building and shipping data products or internal applications that people actually use, not just pipelines that ...

Senior Full Stack Software Engineer | Hybrid London + Remote

Location
Greater London, England, United Kingdom
As a Senior Full Stack Software Engineer at Cabiri, you will play a crucial role in designing, developing, and maintaining our software solutions. You will work collaboratively with cross‐functional teams, utilizing your expertise in ...

Senior Back End Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£475.00 per day
design, develop and improve backend services and microservice-based applications. You’ll use Java and Spring Boot to create reliable, scalable solutions, develop REST APIs and support systems handling high volumes of activity. This is a hands-on contract suited to someone who can work effectively at pace, contribute confidently … systems by: • Designing, developing and maintaining backend services using Java and Spring Boot. • Building and enhancing microservice-based applications. • Developing and integrating secure, reliable REST APIs. • Supporting the performance, reliability and scalability of high-volume systems. • Producing clean, maintainable and well-tested code. • Troubleshooting backend issues and implementing effective technical ...

Mid-Level Full-Stack Developer

Location
Greater London, England, United Kingdom
Jest, Cypress, etc.) across frontend and backend Contribute to and help evolve the studio’s design system, ensuring consistent standards across projects Integrate with REST, GraphQL, and SOAP APIs to connect our apps to the range of services our clients use Participate in code reviews, sprint planning, and technical discussions … party APIs Solid CSS skills, ideally including style frameworks such as Tailwind CSS Comfortable writing automated tests and integrating with GraphQL and/or REST APIs Happy working across multiple concurrent projects as part of a team Curious, pragmatic, and cares about craft We also value Experience with ...

Senior Android Software Engineer - Grow

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
They can choose what it is invested in and what return it makes. We then charge a fair and transparent fee before returning the rest to them. Its simple; it is our customers' money, so they should benefit from the return it generates. What do you need? We are fully … with modern app architectures like Unidirectional Data Flow, Dependency Injection, Structured Concurrency with Kotlin Coroutines, amongst others Desire to write testable code Understanding of REST API design Strong product mindset and passion for user experience, with a focus on prioritising work that addresses user needs and making data-driven decisions. ...

Senior Android Software Engineer - Grow

Location
London, United Kingdom
They can choose what it is invested in and what return it makes. We then charge a fair and transparent fee before returning the rest to them. It's simple; it is our customers' money, so they should benefit from the return it generates. What do you need … with modern app architectures like Unidirectional Data Flow, Dependency Injection, Structured Concurrency with Kotlin Coroutines, amongst others Desire to write testable code Understanding of REST API design Strong product mindset and passion for user experience, with a focus on prioritising work that addresses user needs and making data-driven decisions. ...

Senior Android Software Engineer - Grow

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
They can choose what it is invested in and what return it makes. We then charge a fair and transparent fee before returning the rest to them. It's simple; it is our customers' money, so they should benefit from the return it generates. What do you need … with modern app architectures like Unidirectional Data Flow, Dependency Injection, Structured Concurrency with Kotlin Coroutines, amongst others Desire to write testable code Understanding of REST API design Strong product mindset and passion for user experience, with a focus on prioritising work that addresses user needs and making data-driven decisions. ...

Blockchain Payments Lead Engineer

Location
Greater London, England, United Kingdom
concept through production deployment and iteration. Stack Languages: Rust, Go, TypeScript/Node, Python Messaging: Kafka/Redpanda, NATS API/IPC: gRPC/REST Infra: AWS (EKS, RDS, KMS), Terraform Requirements You are a backend and onramp specialist with a passion for high‐throughput, low‐latency distributed systems … Postgres (transactions, indexing, locking), with familiarity in Redis and event/OLAP stores (Kafka/Redpanda, ClickHouse). API Craftsmanship: Mastery of gRPC/REST best practices, including versioning, pagination, authN/Z, idempotency keys, and building rock‐solid webhook consumers. Event‐Driven Design: Experience designing systems with queues, outbox ...

Service Now Developer

Location
Greater London, England, United Kingdom
service‐assurance workflows. Develop Business Rules, Script Includes, Client Scripts, UI Policies, ACLs and notifications. Build workflows and integrations using Flow Designer, IntegrationHub and REST/SOAP APIs. Support CMDB/CSDM, CI relationships, IRE, Discovery, Service Mapping and data migration. Perform unit testing, resolve defects and support … Strong ServiceNow development, JavaScript and Glide API experience. Experience in TSM, TSOM, CSM, ITSM, ITOM or CMDB/CSDM. Experience with Flow Designer, IntegrationHub, REST/SOAP, Import Sets and Transform Maps. Understanding of CMDB, CSDM, IRE, testing and deployment. Good Agile, Jira, communication and documentation skills. Desirable Experience Telecom ...

Quantitative Developer

Location
Greater London, England, United Kingdom
valued skills may include Fundamentals of how Rates instruments such as bonds, swaps and swaptions are priced and risked. Experience of building and maintaining REST APIs. Development experience on Windows and Linux platforms, including use of Docker. Knowledge of XML and associated transforms. Experience in financial application development, such … valued skills may include: Fundamentals of how Rates instruments such as bonds, swaps and swaptions are priced and risked. Experience of building and maintaining REST APIs. Development experience on Windows and Linux platforms, including use of Docker. Knowledge of XML and associated transforms. You may be assessed ...

PAM Engineer - Assistant Vice President

Location
Greater London, England, United Kingdom
stakeholders. Proficiency in automation, API integration and scripting, preferably PowerShell and Python. Technical Skills: Advanced knowledge of PAM solutions. Working knowledge of Credential Providers, REST APIs and application credential‐management patterns. PAM design, platform configuration, account discovery, onboarding, reconciliation, rotation, verification, session monitoring, and development of custom web and third … audit evidence. Knowledge of Azure and hybrid‐cloud privileged‐access patterns; AWS or GCP experience is desirable. Scripting and automation using PowerShell, Python, REST APIs, JSON and source‐control practices. Understanding of ITIL processes, change management, incident management, problem management and technical documentation. Security Domain Expertise: Privileged Access Management governance ...

Senior Platform Engineer

Location
Greater London, England, United Kingdom
dynamic query builder that is the heart of our API generation engine: the core feature that turns database models into secure, production-ready REST APIs* Building and scaling platform services: authentication (Magic Link, OAuth, SSO), file storage and CDN delivery, full-text search, workflow automation engine, and Stripe payment integrations … query optimisation, RLS* Infrastructure as code with Terraform (or equivalent)* Experience building and operating multi-tenant SaaS platforms* Solid understanding of API design and REST semantics* Comfortable owning backend services end-to-end: you write the code, you run it in production* Strong security fundamentals: you think about auth, data ...

PS, Solution Architect ( Armis/Veza)

Location
City Of London, England, United Kingdom
e.g., Tenable, Qualys, Rapid7, Wiz, Prisma Cloud, ServiceNow VR) across hybrid customer environments. Automate vulnerability scoring, detection correlation, and reporting pipelines using Python, PowerShell, REST APIs, or automation rules within AMS/VIPR. Partner with Customer Success, Security Engineering, and Cloud Infrastructure teams to track remediation SLAs, exposure metrics … Tenable, Qualys, Rapid7, Wiz, Prisma Cloud, ServiceNow VR, Centrix for VMDR). Proven ability to develop automation scripts and data pipelines (Python, PowerShell, Bash, REST APIs, JSON). Familiarity with risk-based vulnerability management (RBVM) and prioritization scoring models. Strong understanding of cloud-native security, container scanning, and hybrid infrastructure ...

Director Data & Analytics API Experience - Data Services

Location
Greater London, England, United Kingdom
Unified API Strategy Technical audit: Work with stakeholders across the organization to conduct a survey of existing APIs (RPC over HTTP, JSON, XML Query, REST, WebSocket, S3, Pub-Sub, etc) across the business, to identify fragmentation, authentication gaps, and areas for consolidation. Survey peers and partners to identify best-practice … Python, with the ability to write clean, idiomatic, and robust code for public consumption. Technical Stack Environment: Google Cloud Platform (GCP), Apigee. Protocols: WebSockets, REST, GCS. Tooling: Python (Expert), OAuth 2.0, GitHub, Protobuf/Avro, SQL. Company Benefits Bonus Programme Equity Programme Employee Stock Purchase Plan (ESPP) Private Medical ...