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Senior Backend Engineer with strong experience in Python, cloud-based systems, and scalable web applications. I specialize in building reliable backend services, APIs, and data-driven systems, with a focus on clean architecture, performance, and maintainability. I’m comfortable owning features end-to-end, collaborating with product teams, and delivering pragmatic solutions that create real business value.…Senior Backend Engineer with strong experience in Python, cloud-based systems, and scalable web applications. I specialize in building reliable backend services, APIs, and data-driven systems, with a focus on clean architecture, performance, and maintainability. I’m comfortable owning features end-to-end, collaborating with product teams, and delivering pragmatic solutions that create real business value.

Danill L.

Back-End Developer, Full Stack Developer, Web Developer, +1

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Senior Backend Engineer with strong experience in Python, cloud-based systems, and scalable web applications. I specialize in building reliable backend services, APIs, and data-driven systems, with a focus on clean architecture, performance, and maintainability. I’m comfortable owning features end-to-end, collaborating with product teams, and delivering pragmatic solutions that create real business value.…Senior Backend Engineer with strong experience in Python, cloud-based systems, and scalable web applications. I specialize in building reliable backend services, APIs, and data-driven systems, with a focus on clean architecture, performance, and maintainability. I’m comfortable owning features end-to-end, collaborating with product teams, and delivering pragmatic solutions that create real business value.

Available to hire

Senior Backend Engineer with strong experience in Python, cloud-based systems, and scalable web applications. I specialize in building reliable backend services, APIs, and data-driven systems, with a focus on clean architecture, performance, and maintainability. I’m comfortable owning features end-to-end, collaborating with product teams, and delivering pragmatic solutions that create real business value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Ukrainian

Fluent

English

Advanced

Work Experience

Senior Backend Engineer / Technical Lead at MISS Ltd

September 1, 2020 - Present

Acted as back-end technical lead for 3–4 production systems across Health care and SaaS domains. Designed and evolved RESTful APIs serving 15k–40k requests per day, supporting web and mobile clients in production environments. Implemented asynchronous processing pipelines with Celery, offloading ~50–60% of heavy operations. Led back-end optimization initiatives (query refactoring, indexing, caching), contributing to a 25–30% reduction in average database query latency. Introduced Redis caching for high-traffic endpoints, reducing database load by 35–45% during peak usage. Integrated Stripe payments and transactional notifications, supporting revenue-critical booking and billing flows. Refactored and stabilized legacy Django codebases (40k+ LOC), reducing recurring production issues and improving release predictability. Deﬁned and managed CI/CD pipelines and cloud deployments (AWS/GCP), enabling bi-weekly releases with zero downtime. Owned and evolved complex business-critic

Python Developer at Mira Data

May 1, 2020 - November 1, 2020

Developed backend services using Python and Django for data-centric applications. Implemented REST APIs for real-time data access and automation workflows. Worked on backend optimizations and data processing tasks to improve system stability.

Python Developer at Freelance

January 1, 2019 - February 1, 2020

Contributed to backend development projects for Health Tech / Research (NDA). Implemented B2B administration, API key management, and role-based access control. Applied ML exposure for model outputs via API exposure and data preprocessing.