Mark S.
Experienced Software Engineer
I am an expert software engineer and technical leader, with 20+ years of professional experience across a wide variety of industries, including telecoms, fintech, food and real estate. I work across the stack in several languages. My preferred (expert) stack includes: ✔️Backend (C#, NodeJS) ✔️Web (ReactJS, NextJS, vanilla Javascript) ✔️Mobile (React Native) ✔️Database (SQL Server, PostgreSQL, MongoDB) ✔️Devops & CI/CD (AWS, CircleCI, Terraform) I can work with lean, agile and test-driven approaches, design and architect complex technical systems and have experience leading teams of up to 12 engineers. I am open to: ⦿ Application design and architection ⦿ Software development and coding ⦿ Mentoring and team leadership ⦿ Technical and product strategy ⦿ Technical hiring and interviewing
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.5k
Billed in all: $52,234$52k
$3.5k in the last 6 months
Across 34 contracts
Earnings, last 30 days
Skill rankings: Top 15% in MongoDB
Ranked by MRR among everyone on Upwork with the skill.
- #46Engineering Management174 freelancers · 🇬🇧 #1Top 26%🇬🇧#1 of 6
- #68OAuth381 freelancers · 🇬🇧 #2Top 18%🇬🇧#2 of 9
- #200Leadership Skills972 freelancers · 🇬🇧 #3Top 21%🇬🇧#3 of 21
- #218Solution Architecture1,009 freelancers · 🇬🇧 #8Top 22%🇬🇧#8 of 34
- #356Microservice2,217 freelancers · 🇬🇧 #4Top 16%🇬🇧#4 of 28
- #386ASP.NET Core2,272 freelancers · 🇬🇧 #6Top 17%🇬🇧#6 of 36
- #493.NET Framework2,944 freelancers · 🇬🇧 #8Top 17%🇬🇧#8 of 54
- #1,319C#8,348 freelancers · 🇬🇧 #22Top 16%🇬🇧#22 of 189