Systems Integration Engineer

4 hours agoSenior London, UK Remote Engineering Jobs by Nscale

Nscale

Nscale is a London-based, full-stack AI cloud and infrastructure company that provides GPU compute, managed AI services, orchestration software, data centers, and power infrastructure for AI training, fine-tuning, and inference.

Series CRecently funded0 current maintainers0 active leads

London, United Kingdom

Funding history

Ward County and Madison senior secured delayed draw term loan facilitiesRevolving Credit FacilityNarvik AI data center financing

Investors

abn amro Nvidia Jane Street Deutsche Bank Lenovo

About Nscale

Nscale builds and operates vertically integrated AI infrastructure spanning software, GPU compute, networking, storage, purpose-built data centers, and power. Its active cloud platform offers self-service inference endpoints, fine-tuning, managed Kubernetes and Slurm, virtual machines, and GPU clusters.

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Skills

Api Ats Boomi Celigo Crm Data Governance Data Modeling Erp Etl Hris Http Integration Json Mulesoft Python Rest Sql Webhook Workato

Candidate Availability

Remote · London · Required

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will architect, build, and support integrations across business systems. You will implement APIs, webhooks, scheduled syncs, and event-driven workflows; maintain transformations and validation; define integration standards; monitor pipelines; resolve failures; document support procedures; and provide advanced integration support.

Requirements

4+ years of enterprise integration experience
REST API
webhook
Workato, Celigo, MuleSoft, Boomi, Make, or custom API development
Python or JSON
ERP, HRIS, CRM, and ATS integration
data modeling
ETL or ELT
SQL
HTTP
API log analysis
JSON payload troubleshooting

Responsibilities

Design and build integrations between core business systems
Implement API integrations, webhooks, scheduled data syncs, and event-driven workflows
Build data transformations, field mappings, and validation rules
Design production error handling, retry logic, and monitoring
Maintain data consistency and lead data migrations
Own source control, testing, and deployment across the systems development lifecycle
Translate business requirements into documented technical solutions
Define integration patterns and standards
Create architectural decision records and integration documentation
Build data-quality checks and resolve data-sync issues
Evaluate integration tools, platforms, and SaaS connectors
Monitor integration health, troubleshoot failures, and document runbooks
Provide Level 2/3 integration support

Benefits