Backend Software Engineer (Python)
Location: Bratislava, Bratislava Region, Slovakia
Department: Solution Teams, Solution & Delivery
Workplace: hybrid
Description
About the Role
We're looking for a Senior Python Developer to join our Enterprise Identity Verification team and work on our enterprise identity verification solution, delivered as both SaaS and on-premise deployments. You'll drive technical decisions, own domain initiatives end-to-end, and mentor fellow engineers.
You'll shape the technical direction of verification workflows, collaborate on architectural initiatives with our Enterprise Software Architect, and work across teams to solve complex identity verification challenges at scale.
What You'll Do
- Build and optimize eKYC system for identity verification and compliance workflows
- Design and implement verification workflows for reliable, durable execution
- Build high-performance REST APIs with FastAPI
- Integrate APIs for document verification, biometric authentication, and fraud detection
- Implement data validation pipelines to meet regulatory standards (KYC/AML, GDPR)
- Ensure security and compliance in handling sensitive customer data
- Optimize system performance, scalability, and reliability
- Collaborate with cross-functional teams (product, platform, business analysts)
- Ensure high code quality through testing, type hints, and code reviews
Requirements
Required
- 5+ years of professional Python development experience
- Strong experience with FastAPI or similar API frameworks
- Solid understanding of async Python (asyncio)
- Understanding of distributed systems concepts (retries, idempotency, sagas)
- Solid understanding of PostgreSQL (query optimization, schema design)
- Experience building and maintaining microservices architectures
- Proficiency with Docker, Git, and CI/CD pipelines
- Strong REST API design skills (OpenAPI/Swagger)
- Solid understanding of SaaS architecture principles and multi-tenancy patterns
Preferred
- Familiarity with Pydantic for data validation
- Strong testing practices (pytest, integration testing, performance)
- Experience with caching patterns and in-memory stores like Redis
- Understanding of event-driven architectures and message queues (Temporal, RabbitMQ, Kafka)
- Experience creating technical documentation and architecture diagrams
- Understanding of workflow orchestration concepts (durable execution, retries, state management)
- Experience with ORM frameworks (Odoo, Django, SQLAlchemy)
Nice to Have
- Background in identity verification or the biometrics domain
- JavaScript/React for frontend collaboration
- Java/Kotlin for working with biometric services
- AWS cloud services experience
- Familiarity with Agile methodologies (Kanban, Scrumban)
- Familiarity with observability practices (logging, monitoring, tracing)
Tech Stack
Python 3.12, FastAPI, Temporal, Odoo, PostgreSQL, Redis, S3, Docker, Kubernetes, GitLab CI/CD, Microservices
Benefits
Level
📊 This role is at Senior level.
Compensation
At Innovatrics, we offer highly competitive salaries because we value top talent who share our values and goals. Compensation is determined based on your level, skills, experience, qualifications, and location.
💶 Salary gross range: from €4717 up, tied to competency and technical evaluation.
Interview Process
Here is the typical interview process for this role:
👋 Introduction Stage (~30 min.)
- Recruiter Screen
🧑💻 Team Interview Stage (~120 min.)
We have a one single interview round that takes approximately 2 - 2,5 hours and is divided into two stages:
- Stage 1: Technical Interview (60 min)
An interactive session with our technical team, focusing on your problem-solving approach and technical knowledge relevant to the role. - Stage 2: Practical Collaboration (60~90 min)
A hands-on session where you will work directly with our Software Engineers and Hiring Manager on a real-world problem. This is a practical, collaborative exercise designed to see how you approach challenges, communicate your reasoning, and co-create solutions in real time.
🎯 Final Stage (~30 min.)
- CARES Interview: Final conversation with our CARES committee to ensure alignment with our core values—Collaboration, Accountability, Respect, Excellence, and Shared Mission.
- Reference checks and background verification
We encourage candidates to request additional conversations with anyone they would like to meet.
Benefits
https://careers.innovatrics.com/
Learn More About Us
Learn more about our culture, values, and what it’s like to work at Innovatrics:
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