Backend Engineer
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StairwaySoft is an Israeli-Ukrainian engineering provider of custom software solutions for SMBs and startups. We’re looking for a Senior Backend Engineer to join a product team building a compliance and business verification platform for financial institutions and fintech companies.
The product helps regulated businesses verify companies, process business data, and automate compliance workflows using real-time data and AI-driven automation. The platform operates in a security-sensitive environment where reliability, performance, and data quality are critical.
Responsibilities:
- Design and develop customer-facing REST APIs and supporting documentation
- Build and own backend services from architecture through implementation and production support
- Develop secure and reliable data ingestion and processing pipelines
- Build scraping and parsing components for collecting and structuring external data
- Design backend systems with scalability, resilience, and performance in mind
- Work with asynchronous processing, queues, pub/sub, retries, idempotency, and eventual consistency
- Monitor how features perform in production and improve them based on real usage and customer feedback
- Contribute to engineering standards, technical decisions, and development practices
- Work closely with product and other stakeholders to understand problems and deliver practical solutions
Requirements:
- 5+ years of commercial backend engineering experience
- 3+ years of experience with Python, or strong experience with a similar backend language and willingness to work primarily in Python
- Strong experience designing and maintaining REST APIs
- Experience owning backend systems end-to-end in production
- Good understanding of distributed systems and asynchronous processing
- Strong experience with relational databases such as PostgreSQL or MySQL
- Solid knowledge of data modelling, indexing, query optimization, and schema evolution
- Experience working with cloud environments such as GCP, AWS, or Azure
- Experience with CI/CD and production deployments
- Strong product mindset and ability to understand the business problem behind a technical task
- Upper-Intermediate English proficiency
Would be a strong advantage:
- Experience building web scrapers at scale
- Experience in fintech, KYC/AML, fraud, compliance, or other regulated domains
- Experience with high-throughput data pipelines or stream processing
- Experience with Kafka, Pub/Sub, Dataflow, or Flink
- Experience with Rust, Go, or C++ for performance-critical components