SoftwareMill

SoftwareMill is a Poland-based custom software development company with 15+ years of commercial experience. They have 400 engineers available for projects and report a 7+ year average project duration. The company operates as part of the VirtusLab Group and serves top markets, with 80% of revenue from the USA, UK, and Japan. They focus on backend systems, high-throughput architectures, and next-generation integrations, working across Scala, Java, TypeScript, React, Kotlin, Rust, and Node.js.

Services and capabilities

SoftwareMill offers end-to-end partnership on complex business problems, with dedicated service lines for FinTech development (WealthTech, BNPL, trade apps), modern backends, systems integration, and cloud modernization. They also provide software audits, cybersecurity consulting with shift-left security practices, and fractional CTO guidance. Cloud work spans AWS, GCP, and Azure, with hands-on experience in Kubernetes and container orchestration.

Their tech stack includes Scala and Java (core competencies), TypeScript, React, Kotlin, Rust, Node.js, Apache Kafka, Apache Struts, Kubernetes, ScyllaDB, and major cloud platforms. They emphasize production-ready LLM implementations and autonomous DevOps pipelines.

Notable work

Client testimonials name faire.ai, Uncapped, Firstbird, Paidy, and a health analytics company. Faire.ai credits SoftwareMill with rapidly building multi-environment infrastructure on Kubernetes across AWS accounts and later restoring lost namespaces "in literally a couple of minutes." Case studies reference work for Corify GmbH on workflow optimization and architecture redesign, a FinTech client building a "resilient trading platform" for fast trading and high failure resilience, LPP S.A. on a real-time data streaming platform, and Reco, where they "reduced the client's infrastructure expenses by approximately 21% year-to-year." COTA Healthcare engaged them on a high-load platform upgrade focused on performance and scalability.

How they work

SoftwareMill describes their motto as "Engineering. Excellence. Trust." They take an active role in shaping clients' technical cores rather than simply resolving tasks. The company reports an NPS of 73 compared to the IT average of 55, and notes that 70% of CTOs re-engage when they change companies, suggesting sticky relationships. Engagement models include dedicated team augmentation, fractional CTO guidance, and project-based work. They offer software audits and cybersecurity assessments alongside development.

Team and credentials

The company has 400 engineers available for projects. They are part of VirtusLab Group. While specific ISO or SOC 2 certifications are not mentioned in the source material, the focus on shift-left security and compliance in FinTech suggests mature security practices. No founding team names or dates are provided in the source.