Global Payments API Platform
2025Built resilient API services for enterprise transactions.
Node.jsPostgreSQLAWS
Full-Stack Developer
San Francisco, USA
Hourly Rate
$80/hr
98
Trust Score
Trust Score is calculated from 243 deals + client ratings + AI verification
Professional credentials confirmed
Verified
2 days ago
Experience
8
Years
Network
1K+
Connections
Profile
100%
Complete
Endorsements
87
Skills
Industry
Technology · Software Development
Current Role
Lead Full-Stack Engineer
Recent Positions
Lead Full-Stack Engineer
ScaleForge · 2021 - Present
Senior Software Engineer
LedgerStack · 2018 - 2021
Backend Developer
CloudMint · 2015 - 2018
Creative presence confirmed
Handle
@marcuschen.dev
Account
3
Years old
Followers
5K
Engaged
Engagement
High
8.2% rate
Activity
Active
Regular posts
Account Type
Professional Creator
Content Quality
Authentic & Original
Reliability data confirmed
Updated
Response
1hr
Average
Completion
100%
All projects
Satisfaction
5.0
Out of 5
Repeat
89%
Hire again
Quality Indicators
Marcus builds scalable web platforms with strong backend architecture and polished frontend performance. He has shipped production systems for fintech and SaaS teams handling millions of monthly requests. Clients value his reliability and clear technical communication.
Lead Full-Stack Engineer
ScaleForge
2021 - Present
Senior Software Engineer
LedgerStack
2018 - 2021
Backend Developer
CloudMint
2015 - 2018
"Amazing work on our checkout flow. Conversions up 34%!"
- TechCorp ⭐⭐⭐⭐⭐
"Delivered 2 days early. Exceptional attention to detail."
- StartupX ⭐⭐⭐⭐⭐
"Would hire again in a heartbeat. Total pro."
- DesignHub ⭐⭐⭐⭐⭐
Built resilient API services for enterprise transactions.
Scaled backend to support rapid enterprise growth.
Shipped collaborative workspace with low-latency updates.
Delivered cross-platform app with secure billing flows.
Verified reviews from completed deals
★★★★★
"Shipped complex integrations ahead of timeline with excellent code quality."
John K., CTO at FinEdge
★★★★★
"Rock-solid architecture decisions. We scaled without performance issues."
Emily S., Engineering Manager at CloudMint
★★★★★
"Best freelancer dev we have worked with. Great communicator and executor."
Aman P., Founder at ScaleFlow
Other verified professionals you might like