Charted Sea | Senior Product & Platform Engineer | REMOTE | Full-time
Location: Hong Kong
https://chartedsea.com/about
Charted Sea is a small, bootstrapped SaaS company helping customers scrape very complex platforms such as Shopee (a major e-commerce platform in Southeast Asia). We focus on hard technical problems (anti-bot, browser automation, fingerprinting, captcha solving).
We are hiring a senior engineer to take ownership of our core platform: scraper orchestrator, billing & payments, customer dashboard, and parts of our AI-based captcha tooling. This is a hands-on role with real ownership: architectural decisions, setting standards, and gradually mentoring other engineers. The role is very full-stack (infra, backend, frontend).
Stack includes TypeScript (most backend & web), Rust (new backend services, migration in progress), Go (Android scraper), PyTorch (captcha solvers), PostgreSQL, Redis, GitHub Actions, Ansible, Ubuntu Linux, bare-metal Hetzner servers.
We are profitable, demand is growing fast, and engineering bandwidth is the main bottleneck. Team is small (3 engineers), fully remote, mostly async (we expect ~4h overlap with UTC+8).
Compensation: $80k–$120k USD base (depending on experience) + monthly bonus tied to company revenue (10% of net revenue shared with employees).
Apply by emailing [email protected] with a short intro and CV/GitHub. I'm the founder and will personally read and reply.
Alibaba Group | Backend Java developers | Shenzhen or Hangzhou, China | ONSITE, VISA
We are looking for Java backend developers to join our International Middle Platform team for the Lazada and AliExpress e-commerce platforms.
Technical environment: Java, Spring, iBATIS, HSF (distributed RPC service framework widely used within the Alibaba Group).
The candidate must be able to communicate in English, both verbally and in writing. Mandarin is a plus but not required.
The position is available in Shenzhen or Hangzhou.
Please don’t hesitate to contact me at [email protected] for a referral or if you have any questions.
If you can read Chinese, you can also apply directly with the following links:
Alibaba Group | Backend Java developers | Shenzhen or Hangzhou, China | ONSITE, VISA
We are looking for Java backend developers to join our International Middle Platform team for the Lazada and AliExpress e-commerce platforms.
Technical environment: Java, Spring, iBATIS, HSF (distributed RPC service framework widely used within the Alibaba Group).
The candidate must be able to communicate in English, both verbally and in writing. Mandarin is a plus but not required.
The position is available in Shenzhen or Hangzhou.
Please don’t hesitate to contact me at [email protected] for a referral or if you have any questions.
If you can read Chinese, you can also apply directly with the following links:
We build a SaaS to extract data from complex platforms like Shopee. They use heavy obfuscation & anti-bot systems, and our job is to break them.
We are working on a deobfuscator that turns obfuscated JavaScript into readable code. It behaves like a decompiler:
- restore strings (e.g. `f(42)` → "my-string")
- simplify control flow (`a && b || !a && c` → `if (a) { b } else { c }`)
- unpack sequence expressions (`var a = (c=1, b=1+c, 3+b+c)`)
- decompile a custom bytecode VM (70K instructions)
This is not typical web/backend work. The target platforms evolve constantly.
We're looking for someone who:
- enjoys understanding complex systems by experimentation
- is comfortable with partially understood code
- has built non-trivial tools (parser, interpreter, RE tool, etc.)
You will:
- own the deobfuscator
- work directly with the founder
- have time to go deep (long-term problem)
Stack: TypeScript, Babel
Compensation: $40k–$80k USD + monthly bonus (10% of net revenue shared with team)
Apply: [email protected] (short intro + CV/GitHub)