9 of 9 Remote/Hybrid API Integration Jobs in Central London

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Integration Developer Location: Central London/Hybrid Profectus Recruitment are working with a highly regarded Fintech organisation currently investing heavily in modern cloud integration, automation and enterprise platforms. We are looking for an experienced IT Integration Developer to help design and deliver secure, scalable integrations between internally … developed systems and modern SaaS platforms. This is a fantastic opportunity for somebody who enjoys solving complex integration challenges and working across cloud, middleware and API technologies within a business undergoing ongoing digital transformation. The Role You will act as the technical bridge between core business systems ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Senior Technical Lead - Platform Integration & Implementation Remote (UK) | £85,000 - £90,000 + benefits | Permanent | Occasional UK travel A well-funded, growth-stage technology group is building the platform backbone for an ambitious UK-wide MSP roll-up. Fully equity-backed, no debt, and acquiring 8-10 regional MSPs … into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across ...

Front End Engineer - AI

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
ensuring alignment with architectural standards and platform best practices Collaborate with the AI Ops Core Pod to adopt and influence reusable assets, frameworks, and integration patterns Design and implement LLM-powered agent workflows using frameworks such as LangChain, LangGraph, or CrewAI Develop prompt chains , agent tools, and custom modules … feedback Contribute to the automation of testing, deployment, and validation pipelines for AI agents Maintain thorough documentation of agent behavior, design decisions, and integration logic for operational readiness and knowledge transfer Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field ...

Digital Platform Architect (power platform)

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integrations with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm … NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message queues Knowledge of API design principles, data validation, and serialisation Experience with observability tools (OpenTelemetry, Prometheus, Grafana) Experience with AWS Lambda and serverless architectures Experience working across the stack (backend ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm … NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message queues Knowledge of API design principles, data validation, and serialisation Experience with AWS Lambda and serverless architectures Experience working across the stack (backend + some frontend) Understanding of web technologies ...

Scala Software Engineer

Hiring Organisation
Space Executive
Location
City of London, London, United Kingdom
platform powering some of the world’s leading retail brands. This is a backend-focused engineering role, working across distributed systems, microservices architecture, and API integrations within a modern functional Scala environment. You’ll join a highly technical product engineering team building scalable systems that sit at the core ...

Lead .NET Engineer/Architect

Hiring Organisation
Tria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
this is worth reading. You will be Lead the technical delivery of a greenfield rebuild of a core business system, covering policy, claims and integration layers. Set and enforce technical standards, own code quality, and conduct structured code reviews across the delivery team. Work directly with … business requirements into sound technical design and produce low-level design documentation. Make architecture decisions, present options clearly to non-technical stakeholders, and govern integration standards across the programme. Support the Infrastructure and Data Engineers with cross-cutting technical decisions throughout the build. Post go-live: take on broader ...

Senior Frontend Engineer / Full Stack Product Engineer - Energy

Hiring Organisation
MFK Recruitment Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
information Take ownership of the frontend codebase, defining architecture, component structure, and engineering standards Work closely with backend and data teams to create clean API integrations and iterate on UX based on customer feedback 2. Work Across the Stack Bring enough backend knowledge to work effectively alongside leadership … fast-moving environment Someone who enjoys ownership, pace, and building from the ground up Genuine enthusiasm for AI, modern engineering tools, and the integration of AI into software products Nice to Have 3-5+ years building customer-facing software in a product-led, startup, or scale-up environment ...