Services
I've spent 10 years building backend and distributed systems at Bosch and Personify. Hire me for your system, or learn how to build one yourself.
10+ yrsproduction systems
Java · AWSSpring Boot, Postgres
Team leadhiring & interviewing
Consulting & Servicing
For startups and product teams that need a senior backend engineer without hiring full-time.
Architecture Review
One-off, fixed scope
-20%$600
$480 / fixed
You save $120 · limited time
- 2-hr deep dive with your team
- Written report: risks, bottlenecks, roadmap
- Postgres & AWS cost check
- 30-day follow-up call
Most picked
Fractional Tech Lead
Monthly retainer
-20%$1,750
$1,400 / month
You save $350 · limited time
- ~40 hrs / month
- Code review & design decisions
- Mentoring your dev team
- Async Slack support, 24h response
Build & Ship
Project-based delivery
-20%from $2k
from $1.6k / project
You save $400 · limited time
- Spring Boot / React / AWS
- Milestones with fixed quotes
- CI/CD, docs, handover
- 4 weeks of post-launch support
Hourly ad-hoc work: $30/hr $24/hr · Invoiced in USD · Remote, async-friendly (GMT+7)
Programming Courses
Backend with Java & Spring Boot, from fundamentals to production. Choose how you want to learn.
Self-pacedWaitlist
Video + exercises, lifetime access
-20%745k₫
596k₫ ≈ $24
You save 149k₫ · limited time
- 40+ lessons
- Real project: job-queue service
- Community Discord
Next cohort: Jan 2027
Live CohortOpen
8 weeks, max 12 students
-20%2.450k₫
1.960k₫ ≈ $78
You save 490k₫ · limited time
- 2 live sessions / week
- Code review on every assignment
- Everything in Self-paced
1:1 MentoringOpen
Personal plan around your goals
-20%1.450k₫
1.160k₫ / 4 sessions
You save 290k₫ · limited time
- 4 × 60-min calls
- Async questions between calls
- Career & project review
Interview Course
Prep taught by someone who runs the interviews: coding, system design, and the behavioral round.
Interview PlaybookWaitlist
Self-paced guide + question bank
-20%395k₫
316k₫ ≈ $13
You save 79k₫ · limited time
- 150 curated questions
- System design templates
- CV checklist
Best value
BootcampOpen
4-week live cohort
-20%1.750k₫
1.400k₫ ≈ $56
You save 350k₫ · limited time
- Weekly live drills
- 2 mock interviews with feedback
- Includes Playbook
Mock InterviewOpen
1:1, single session
-20%445k₫
356k₫ / 75 min
You save 89k₫ · limited time
- Realistic coding or design round
- Written scorecard
- EN or VI
Questions
How do payments work?
Consulting: USD invoice (Wise/bank). Courses: VND bank transfer or card.
Can my company pay for my course?
Yes, I can issue an invoice to your employer.
Refunds?
Full refund before the second cohort session.