Senior Software Engineer – Integrations & Enrich
Cognism Limited
hybrid · Warszawa · Poland · Senior
Agentic fit score: 60/100
- Claude Code
- Cursor
- Copilot
As a Senior Software Engineer within the Integrations & Enrich domain, you will build the capabilities that connect Cognism with customers' technology ecosystems. Your work will focus on CRM integrations, enrichment workflows, synchronization services and customer-facing data experiences. You will help enterprise customers seamlessly move trusted Cognism data into platforms such as Salesforce, HubSpot and other business applications.
What You'll Do
Design and develop backend services supporting CRM integrations and enrichment workflows
Build scalable APIs enabling secure data exchange between Cognism and customer platforms
Own software throughout its lifecycle, from design through production operations
Collaborate closely with Product Managers, Customer Success, Data Engineering and Platform teams
Improve integration reliability, synchronization performance and customer experience
Write high-quality automated tests and participate in code reviews
Contribute to architecture discussions and engineering best practices
Leverage AI-assisted engineering tools to improve software delivery and quality
Technology Environment
Cloud-native backend services running on AWS
REST APIs and event-driven microservices
CRM integrations (Salesforce, HubSpot and similar ecosystems)
Kafka and asynchronous messaging
SQL / NoSQL databases
Modern CI/CD pipelines and automated testing
What Success Looks Like
Reliable customer integrations with measurable improvements in stability and performance
High-quality enrichment services supporting enterprise customers
Production ownership with rapid issue resolution
Reusable engineering components adopted across multiple product teams
Continuous improvements in customer experience and engineering quality
Required Experience
5+ years of professional software engineering experience
Strong backend engineering skills using Java, Scala, Kotlin, C# or modern TypeScript/Node.js
Experience building APIs and system integrations
Knowledge of distributed systems and asynchronous processing
Experience with AWS or another major cloud platform
Understanding of CI/CD, automated testing and production support
Excellent communication skills and fluent English
Nice to Have
Experience integrating with Salesforce, HubSpot or other CRM platforms
Knowledge of event streaming using Kafka
Experience with ETL or data enrichment pipelines
Infrastructure as Code and Kubernetes
Experience using AI coding assistants such as Claude Code, Cursor or GitHub Copilot