Borys P.
Senior Software Engineer
Senior Software Engineer with 13+ years of experience building and maintaining B2B SaaS software, primarily in fintech, CRM, and data-heavy web applications. My core expertise includes Ruby on Rails, PostgreSQL, backend performance, API integrations, production debugging, large-volume data import/export workflows, and pragmatic full-stack development. I have a long-term track record of working with international clients, including 19,000+ tracked hours, 100% Job Success, Top Rated Plus status, and long-running production software engagements.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $80k
Billed in all: $1,030,173$1.03M
$80k in the last 6 months
Across 22 contracts
Earnings, last 30 days
Skill rankings: #1 in 2 skills of 9
Rarest: top 0.15% in CSS, of 19,042. Ranked by MRR among everyone on Upwork with the skill.
- Facebook Development200 freelancers · 🇳🇴 #1Top 0.50%🇳🇴#1 of 1
- HAML22 freelancers · 🇳🇴 #1Top 5%🇳🇴#1 of 1
- AJAX2,006 freelancers · 🇳🇴 #1Top 0.15%🇳🇴#1 of 3
- XML717 freelancers · 🇳🇴 #1Top 0.42%🇳🇴#1 of 1
- #5Ruby on Rails1,811 freelancers · 🇳🇴 #1Top 0.28%🇳🇴#1 of 1
- #17jQuery8,973 freelancers · 🇳🇴 #1Top 0.19%🇳🇴#1 of 4
- #28CSS19,042 freelancers · 🇳🇴 #1Top 0.15%🇳🇴#1 of 16
- #32SQL12,903 freelancers · 🇳🇴 #1Top 0.25%🇳🇴#1 of 10