Cloud Integration Engineer: AWS & SaaS API Specialist

SQUARE ONE RESOURCES sp. z o.o.; Warszawa; On-site; PLN 90,000 - 130,000; Full time

Benefits offered by this job

Sharing the costs of sports activities

Private medical care

Job summary

Square One Resources sp. z o.o. in Warszawa is seeking a Cloud Integration Engineer to join a team responsible for developing, integrating, and optimizing the P&C technology ecosystem.

You will partner with Product Delivery Leads and Solution Architects to translate requirements into technical specifications and assess feasibility. The role requires 4–6 years in enterprise integration, experience with AWS and SaaS platforms like Workday, ServiceNow, and Cornerstone, and hands-on skills in

Qualifications

• 4–6 years in enterprise IT roles (BA/Systems Analyst).
• Proven experience with enterprise SaaS platforms and integrations.
• Translate business requirements into technical specs.
• Experience with APIs: REST, GraphQL, webhooks, JSON, XML.
• Knowledge of OAuth 2.0, OIDC, and SAML.
• Experience with AWS and cloud environments.

Responsibilities

• Analyze requirements with Product Delivery Leads and Solution Architects to assess feasibility.
• Translate requirements into system and integration specs.
• Evaluate integration capabilities with SaaS platforms (Workday, ServiceNow, Cornerstone).
• Analyze APIs, data flows, latency, authentication models and impacts.
• Review vendor documentation and lead technical discussions.
• Analyze API/SDK capabilities, payload schemas, and limitations.
• Support design and validation of integration solutions across SaaS and cloud environments.
• Build or support PoCs to validate technical approaches.
• Test API endpoints, payloads, schemas, and data transformations.
• Support SRAs and data-flow mapping for new apps and integrations.
• Collaborate with Cybersecurity, Risk, Architecture and Engineering teams.
• Identify opportunities to simplify tech landscape and reduce middleware.
• Document findings, trade-offs, dependencies, risks, and recommendations.
• Communicate complex topics clearly to technical and non-technical stakeholders.

Skills

Enterprise SaaS experience

REST & GraphQL

OAuth & OIDC

Python scripting

TypeScript scripting

Tools

AWS

Workday

ServiceNow

Cornerstone

API Gateway

S3

IAM

EventBridge

CloudWatch

Secrets Manager

Job description

Square One Resources sp. z o.o. in Warszawa is seeking a Cloud Integration Engineer to join a team responsible for developing, integrating, and optimizing the P&C technology ecosystem.

You will partner with Product Delivery Leads and Solution Architects to translate requirements into technical specifications and assess feasibility. The role requires 4–6 years in enterprise integration, experience with AWS and SaaS platforms like Workday, ServiceNow, and Cornerstone, and hands-on skills in