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- The City, City (EC3)
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88 API jobs in Datchet Common + 20 miles
311 exact matches jobs are outside your preferred location
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Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
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Experience creating RESTful APIs and ensuring API extensibility
Experience creating RESTful APIs and ensuring API extensibility
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
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Deep experience working with large scale Cisco Meraki or other cloud networking full stack deployments that optimize programmability using API and tools such as Splunk, Terraform, Ansible, or Service Now. - Deep understanding and familiarity with networking and security solutions and associated hardware (e.g., API, routing protocols, L2 protocols, cellular technologies, wifi, security protocols, etc.).
Deep experience working with large scale Cisco Meraki or other cloud networking full stack deployments that optimize programmability using API and tools such as Splunk, Terraform, Ansible, or Service Now. - Deep understanding and familiarity with networking and security solutions and associated hardware (e.g., API, routing protocols, L2 protocols, cellular technologies, wifi, security protocols, etc.).
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Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
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Senior Backend Engineer (Platform & Security)
Senior Backend Engineer (Platform & Security)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
Strong understanding of distributed systems, microservices architecture, and API design.
Strong understanding of distributed systems, microservices architecture, and API design.
Senior Android Engineer (Native Integration & Security)
Senior Android Engineer (Native Integration & Security)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
Senior Android Engineer (UI/UX & Welcome Manager)
Senior Android Engineer (UI/UX & Welcome Manager)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
API & Backend Integration: Partner with our backend (Application & AI Orchestration) engineers to define and integrate the client-side APIs and data models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries.
API & Backend Integration: Partner with our backend (Application & AI Orchestration) engineers to define and integrate the client-side APIs and data models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries.
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Senior Technical Business Analyst
Senior Technical Business Analyst
REC SOLUTIONS LIMITED
The City, EC4
Competitive base salary plus bonus and benefits
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
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Senior Backend Engineer (Application & AI Orchestration)
Senior Backend Engineer (Application & AI Orchestration)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
API & Application Development? Partner closely with the Senior Android Engineers to define robust API contracts and ensure a seamless, low-latency experience for the live transcript and mid-call intervention features.
API & Application Development? Partner closely with the Senior Android Engineers to define robust API contracts and ensure a seamless, low-latency experience for the live transcript and mid-call intervention features.
Senior Backend Engineer (Telco Integration Lead)
Senior Backend Engineer (Telco Integration Lead)
Ventula Consulting Limited
The City, EC3V 9DU
Up to £140,000 per annum
We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. Collaborate with the platform team to build a parallel development path using mocked data to mitigate risks of network API delays. Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs).
We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. Collaborate with the platform team to build a parallel development path using mocked data to mitigate risks of network API delays. Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs).
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We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
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Experience creating RESTful APIs and ensuring API extensibility.
Experience creating RESTful APIs and ensuring API extensibility.
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Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
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Power Platform Developer
Power Platform Developer
Cathcart Technology
London
£65000.00 - £72500.00 per annum + Bonus & Pension etc
A well-respected consultancy is looking for a talented Power Platform Developer to join their growing Digital Services team in London (hybrid). This is a great opportunity to work across multiple sectors ranging from finance all the way to health analytics where you'll be helping to design and deliver innovative digital solutions that make a real difference. This company is known for empowering its people to explore new technologies and shape how the business works. You'll be joining a supportive, collaborative environment and tight-knit team where your ideas will be valued and your work will have real visibility. The Role - You'll play a key part in designing, building and maintaining business applications, workflows and automations using the Microsoft Power Platform. You'll work with Power Apps, Power Automate, Power BI and Dataverse to deliver scalable, data-driven
A well-respected consultancy is looking for a talented Power Platform Developer to join their growing Digital Services team in London (hybrid). This is a great opportunity to work across multiple sectors ranging from finance all the way to health analytics where you'll be helping to design and deliver innovative digital solutions that make a real difference. This company is known for empowering its people to explore new technologies and shape how the business works. You'll be joining a supportive, collaborative environment and tight-knit team where your ideas will be valued and your work will have real visibility. The Role - You'll play a key part in designing, building and maintaining business applications, workflows and automations using the Microsoft Power Platform. You'll work with Power Apps, Power Automate, Power BI and Dataverse to deliver scalable, data-driven
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3 Days of work in the office - Job Summary * Migrate on-premise services to OCP in AWS. * Update pipelines to use in-house Trident solution. * Upgrade all components from Spring Boot 3.5 to 4. * Creation of new services or data sinks that are single responsibility and publish/consume from Kafka. * Service decommissions. * BAU work. Job Requirements * Java 17, 21 * Junit 5, Cucumber * Spring Boot 3, 4 * Tooling (Gradle, GitHub, Nexus, Artifactory, Sonar, Jacoco) * Kafka * Kubernetes, Helm * Databases (Preferably HBase, PostgreSQL) * Jenkins and CICD * Kafka Streams, Data sinks * OCP * RabbitMQ * Observability (Datadog, Grafana, Logging concepts and traces, Logback) * AWS * NoSQL datastores (Mongo, DynamoDB) * Security (Kerberos, JWT, Hashi Corp Vault, CVEs) * Design principles (Event Driven, testing, migrations, SOA, microservices, APIs)
3 Days of work in the office - Job Summary * Migrate on-premise services to OCP in AWS. * Update pipelines to use in-house Trident solution. * Upgrade all components from Spring Boot 3.5 to 4. * Creation of new services or data sinks that are single responsibility and publish/consume from Kafka. * Service decommissions. * BAU work. Job Requirements * Java 17, 21 * Junit 5, Cucumber * Spring Boot 3, 4 * Tooling (Gradle, GitHub, Nexus, Artifactory, Sonar, Jacoco) * Kafka * Kubernetes, Helm * Databases (Preferably HBase, PostgreSQL) * Jenkins and CICD * Kafka Streams, Data sinks * OCP * RabbitMQ * Observability (Datadog, Grafana, Logging concepts and traces, Logback) * AWS * NoSQL datastores (Mongo, DynamoDB) * Security (Kerberos, JWT, Hashi Corp Vault, CVEs) * Design principles (Event Driven, testing, migrations, SOA, microservices, APIs)
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Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
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Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
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we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
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Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
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Senior Workday Integrations Lead - SC Cleared - Inside IR35 Contract - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Are you a hands-on Workday Integrations Expert with 7-10 years' experience ready to own and define the entire integration landscape for a complex Workday transformation? Our client requires a high-calibre Senior Workday Integrations Lead to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect Workday with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authorit
Senior Workday Integrations Lead - SC Cleared - Inside IR35 Contract - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Are you a hands-on Workday Integrations Expert with 7-10 years' experience ready to own and define the entire integration landscape for a complex Workday transformation? Our client requires a high-calibre Senior Workday Integrations Lead to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect Workday with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authorit
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Hybrid - 2 days per week in London | ?? £44,000-£48,000 per annum | ?? Permanent (Strictly no sponsorship available) We're partnering exclusively with a leading UK charity on a hands-on technical role that makes a real difference. They're looking for a Data Integration Lead to take ownership of their data systems, build and maintain integrations, and automate data flows that keep critical operations running smoothly. This is a rare chance to work on meaningful technology that directly supports life-changing work. You'll join a small, collaborative tech and data team, designing and delivering end-to-end solutions across their systems, from APIs and SQL processes to CRM imports and automation. This role is all about solving real-world technical challenges, building sustainable solutions, and ensuring systems 'just work' so colleagues can focus on the mission.
Hybrid - 2 days per week in London | ?? £44,000-£48,000 per annum | ?? Permanent (Strictly no sponsorship available) We're partnering exclusively with a leading UK charity on a hands-on technical role that makes a real difference. They're looking for a Data Integration Lead to take ownership of their data systems, build and maintain integrations, and automate data flows that keep critical operations running smoothly. This is a rare chance to work on meaningful technology that directly supports life-changing work. You'll join a small, collaborative tech and data team, designing and delivering end-to-end solutions across their systems, from APIs and SQL processes to CRM imports and automation. This role is all about solving real-world technical challenges, building sustainable solutions, and ensuring systems 'just work' so colleagues can focus on the mission.
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Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 ) to design, build and run the Customer MDM platform as a durable product with clear ownership. * Own platform engineering: architecture, coding standards, quality, observabil
Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 ) to design, build and run the Customer MDM platform as a durable product with clear ownership. * Own platform engineering: architecture, coding standards, quality, observabil
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Our client, a well-known global brand, is seeking a Systems Analyst to join their IT Application Development Team based in London. This is a key role that will bridge the gap between business analysts and development teams, ensuring business requirements are translated into technically robust and user-focused solutions. * Collaborate with stakeholders to gather and analyse business requirements across internal systems. * Translate requirements into detailed backlog items and technical documentation. * Create wireframes, mock-ups, and prototypes using Figma to support development and stakeholder engagement. * Work closely with developers, testers, and product owners to enhance .NET-based systems and RESTful APIs. * Participate in Agile ceremonies including sprint planning, backlog grooming, and retrospectives. * Maintain documentation throughout the project lifecycle.
Our client, a well-known global brand, is seeking a Systems Analyst to join their IT Application Development Team based in London. This is a key role that will bridge the gap between business analysts and development teams, ensuring business requirements are translated into technically robust and user-focused solutions. * Collaborate with stakeholders to gather and analyse business requirements across internal systems. * Translate requirements into detailed backlog items and technical documentation. * Create wireframes, mock-ups, and prototypes using Figma to support development and stakeholder engagement. * Work closely with developers, testers, and product owners to enhance .NET-based systems and RESTful APIs. * Participate in Agile ceremonies including sprint planning, backlog grooming, and retrospectives. * Maintain documentation throughout the project lifecycle.
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Related Jobs
Locations
- The City, City (EC3)
- Southwark
- The City, City (EC4)
- West Fields
- Charing Cross
- Euston
- The City, City (EC2)
- Canary Wharf
- Datchet Common
- Frimley
- City of London
- Reading
- Central London
- West End
- South East London
- Milton Keynes
- South West London
- North West London
- Newbury
- Abingdon
- London
- Berkshire
- Hampshire
- Oxfordshire
- Buckinghamshire
- Surrey
- Bedfordshire
- Northamptonshire
- East Sussex
- Hertfordshire
- South East
- East Midlands
- Midlands
- South West