Dev-Hire

Senior full stack AI engineer with more than 20 years of software development experience.

Builds agentic AI platforms and production LLM applications using LangChain and LangGraph, backed by RAG pipelines on Pinecone and PostgreSQL. Strong in Go, Python, TypeScript and AWS, with deep experience in microservices and distributed systems. Modernized a legacy gaming platform into microservices, cutting downtime by 40% and improving backend performance by 50%. Led backend teams supporting 10k+ concurrent users. Co-founded and ran a software house for 19 years, delivering web, mobile and AI products for government institutes and international companies. Mentors engineers and sets engineering standards.

Screening evidence

On the record
  • Profile approved1 Aug 2026
  • Dated work history8 roles, 25.7 yrs
  • Years recorded per skill12 skills
  • EnglishFluent
  • Employers and clientskept private
  1. Profile deep dive

    We review CVs, LinkedIn and portfolios by hand.

  2. Communication

    English fluency, professionalism and client readiness.

  3. Technical interview

    Live coding and scenario interviews with senior engineers.

Industries

named in the summary
  • Gaming
  • Government and public sector

Project highlights

employers kept private
See Haoran's full history: 8 roles across 25.7 years of work history, educationwork email · 6-digit code · full profile. Free, no card.

Career map

roles on top, each skill from the year it started
Roles
8
React
13y
React Native
11.5y
Flutter
9.5y
Go (Golang)
6y
CI/CD
6y
Node.js
5.5y
Microservices
5.5y

Start years are worked back from years per skill.8 roles open after a free sign-up

Education and languages

LanguagesEnglish
A client interviewing an engineer on a video call

From yes to first standup

interview, in your hours1 to 3 days
simple contract, signed1 day
joins your standupwithin a week
Contractmonth to month
Code and IPyours
NDAfrom day one
Not the right fitfree replacement
Pauseend of any month
Placement fee$0
$6,780 to $7,920per month, full time, all in