Nscale

Technology

SystemsIntegrationEngineer

£65–90k ~AI est. London, United Kingdom
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid+ candidates.

The Brief

“Systems Integration Engineer at Nscale. Skills: Systems Integration, API Development, Data Flow Automation. Design integrations between core business systems. Implement API-based integrations”

Industry & Context.

Technology
Problems you'll solve

Troubleshooting; Root cause analysis

What They're Looking For.

Must Have

3–5 years hands-on experience building enterprise integrations, Understanding of REST APIs, webhooks, OAuth/SAML, SCIM provisioning, Experience with at least one integration platform or custom API development, Proficiency in at least one scripting/programming language (Python, JavaScript, or similar), Experience integrating core business systems (ERP, HRIS, CRM, ATS), Solid understanding of data modeling, ETL/ELT patterns, and data transformation logic, Experience with Identity & Access Management (IAM) integrations, Ability to read and write SQL for data validation and troubleshooting, Troubleshooting skills - comfortable diving into API logs, HTTP requests, JSON payloads

Nice to Have

Experience with Palantir Foundry or similar enterprise data integration platforms, Background in solutions architecture or enterprise architecture for internal systems, Experience designing and implementing JML automation workflows, Knowledge of SOX, SOC 2, or ISO 27001 compliance requirements for integrations, Experience in high-growth, pre-IPO, or recently public companies (250–2,000 employees), Exposure to M&A integration, Familiarity with data governance, master data management (MDM), and data quality frameworks, Experience with CI/CD for integration pipelines

What You'll Do.

Design integrations between core business systems

Implement API-based integrations

Implement scheduled data syncs

Implement event-driven workflows

Work with Palantir Foundry team

Build data transformation logic

Build validation rules

Design error handling

Design monitoring for integrations

Act as technical advisor for integration requirements

Translate business needs into technical designs

Define integration patterns and standards

Evaluate integration tools and platforms

Establish standards for company scaling

Create architectural decision records (ADRs)

Create integration documentation

Collaborate with Enterprise Architecture function

Design automated user lifecycle workflows

Build joiners workflow

Build movers workflow

Build leavers workflow

Ensure JML workflows meet compliance requirements

Ensure data consistency across systems

Build data validation and quality checks

Identify and resolve data sync issues

Identify and resolve duplicate records

Identify and resolve mapping errors

Work with business owners to define data ownership

Work with business owners to define master data

Evaluate and recommend integration tools

Conduct proof-of-concept builds

Assess API capabilities of SaaS platforms

Assess rate limits of SaaS platforms

Assess authentication methods of SaaS platforms

Assess webhook reliability of SaaS platforms

Maintain awareness of integration technology landscape

Monitor integration health

Track data discrepancies

Build dashboards for integration pipelines

Build alerting for integration pipelines

Troubleshoot integration failures

Implement fixes for integration failures

Document runbooks for production integrations

Document support procedures for production integrations

Provide Level 2/3 support for integration issues

Ensure integrations meet audit and compliance requirements

Document access controls

Document change management procedures

Support audit evidence collection

Implement logging for sensitive data movements

Implement audit trails for sensitive data movements

Assess acquired companies' application landscapes

Assess acquired companies' integration points

Design integration strategies for merging technology estates

Implement system migrations post-acquisition

Implement data consolidation post-acquisition

Build repeatable integration playbooks

How You'll Work.

Team & Collaboration

Senior Director of Systems Integrations; Enterprise Architecture function; Business owners

Full Job Description

About Nscale Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future. About The Role We're hiring a Systems Integration Engineer to design, build, and maintain the connective tissue between Nscale's rapidly expanding application landscape. As we scale from 500 to 1,000+ people and prepare for IPO, our internal systems need to work together seamlessly - not as isolated silos. This is a hands-on technical role where you'll architect and implement integrations across our core business systems. You'll define integration patterns, build automation workflows, and ensure data flows reliably across the enterprise. You'll work closely with the Senior Director of Systems Integrations to translate business requirements into technical solutions, evaluate integration tools and platforms, and establish standards that enable the company to scale without creating technical debt. This role sits at the intersection of enterprise architecture, solution design, and hands-on implementation. What You'll Be Doing (Responsibilities) Integration Design & Implementation Design and build integrations between core business systems (ERP, HRIS, CRM, ATS, ITSM, project management, finance, procurement) Implement API-based integrations, webhook

Free ATS check

Applying for this Systems Integration Engineer role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Greenhouse

  • Create a Greenhouse profile before applying — it saves time across multiple applications.
  • Upload your resume as a PDF; the parser handles it better than Word.
  • Answer all knockout questions carefully — wrong answers auto-reject before a human sees you.
  • Enable email notifications to track application status in real time.

ANONYMOUS · UNFILTERED

What do employees actually say about Nscale?

Real rants from real employees. Read before you apply.

Read Company Rants →