S

Siim Hirse

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Senior Software Engineer
Tallinn, Harju County, Estonia
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Jobs verified_user 0% verified
  • Apriorit
    Senior Software Engineer
    Apriorit
    Mar 2023 - Mar 2026 (3 years 1 month)
    • Healthcare & Sports Analytics Industry: Engineered a high-performance impact analytics backend using Python, FastAPI, and AWS, delivering 4x faster biomechanical data processing for athlete injury research. • Designed distributed data orchestration services with GraphQL, Apollo Client, and Redis, unifying multi-sensor and video streams into real-time research endpoints. • Built immersive 3D visualization dashboards using TypeScript, Next.js, and Three.js, transforming raw telemetry into synchronized playback, violin plots, and 3D heatmaps. • Implemented secure research data architecture with PostgreSQL, JWT, and RBAC, enforcing structured schema validation and multi-tier access governance. • Integrated AI workflows using TensorFlow, OpenA
  • G
    Senior Full-Stack Engineer
    Go Wombat
    Nov 2021 - Feb 2023 (1 year 4 months)
    • Renewable Energy & Sustainability Platform: Delivered a cloud-native photovoltaic SaaS platform using Python, Django and React.js, accelerating feature delivery for PV design, financial quotations, and multi-country expansion. • Built scalable backend services with Django REST Framework, applying strong OOP principles; implemented secure IAM using AWS Cognito integrated with Active Directory, and developed event-driven workflows with AWS Lambda, SQS, and Step Functions. • Developed dynamic frontend modules using React.js, TypeScript, Material UI, HTML5, and CSS3; enhanced PV system creator, user management, financial modeling UI, and led app-wide rebranding. • Designed and optimized data architecture with PostgreSQL (relational) and Dynam
  • N
    Full-Stack Engineer
    NERDZ LAB
    May 2019 - Oct 2021 (2 years 6 months)
    • Financial Technology Industry: Consolidated legacy systems into a unified multilingual platform using Django REST Framework, FastAPI, and React/Next.js, aligning global operations with corporate rebranding initiatives. • Established secure microservices governance through OAuth2, structured role segmentation, and enterprise authentication layers. • Orchestrated distributed workflows using Celery, enabling scalable analytics and partner automation integrations. • Optimized performance through advanced ORM patterns with SQLAlchemy and intelligent caching strategies, supporting geo-redirect and localized delivery logic. • Maintained release stability via structured API validation and regression testing within Agile Scrum environments.
  • E
    Software Engineer
    Elogic Commerce
    Jun 2016 - Apr 2019 (2 years 11 months)
    • Digital Commerce Industry: Built an automated roof configurator platform using React, Node.js, and Strapi, increasing sales conversion by 30% through digital quotation automation. • Developed scalable API ecosystems with Apollo GraphQL and RESTful services, integrating geospatial validation and compliance workflows. • Validated cross-platform performance with Cypress, BrowserStack, and Lighthouse, ensuring accessibility and production-grade UI stability. • Engineered transactional data models within relational systems to optimize pricing engines and CMS-driven product delivery. • Deployed containerized workloads using Helm, implementing observability pipelines with Prometheus, Grafana, and Loki under Agile methodology.
Education verified_user 0% verified
  • Tallinn University of Technology
    Master's Degree in Computer Science
    Tallinn University of Technology
    Jan 2011 - Dec 2016 (6 years)
Projects (professional or personal) verified_user 0% verified
  • B
    Sports & Healthcare Analytics (Biomechanics) Platform
    Biocorellc
    Aug 2023 - Sep 2025 (2 years 2 months)
    Led the development of a scalable biomechanics analytics platform in the Sports & Healthcare industry, enabling 4x faster impact data processing for athlete safety research. Architected a microservices-based system using Python, FastAPI, GraphQL, and AWS, supporting real-time sensor ingestion, ML-driven impact classification, and advanced 3D data visualization. Designed secure, cloud-native infrastructure with containerized services, RBAC-based access control, and CI/CD automation to ensure high performance, scalability, and future white-label readiness.
  • Verifone
    Global Multilingual FinTech Platform Modernization
    Verifone
    Feb 2020 - Jun 2023 (3 years 5 months)
    Led the end to end development of a multinational FinTech web platform for Verifone, rebuilding fragmented regional websites into a unified multilingual system using Python, FastAPI, Django, React, and Next.js. The solution supported secure content governance, advanced product discovery, geo based localization, and deep third party integrations, delivering a scalable cloud deployed platform on AWS that improved user flow and global brand consistency while supporting high transaction driven enterprise operations.