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Open nowPosted 74 days ago

Senior Software Engineer

Workable (global search)108,016 open roles

Where
Bangkok, Thailand
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Your applicationOpen nowSenior Software EngineerWorkable (global search) · Bangkok, Thailand
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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 74 days ago

Workable (global search) median: 7 days open

The posting

Working Location: Empire Tower (100% onsite, accessible via BTS Chong Nonsi)

Role summary

A senior engineer who can pick up any of our payment products and deliver backend features and services end-to-end. You design systems, set the code-quality bar by example, mentor other engineers, and help keep production healthy. Because you may move between products, the ability to learn quickly in an unfamiliar codebase is key.

Key responsibilities

  • Deliver backend features and services end-to-end — design, build, test, deploy, and monitor — across multiple products.
  • Design APIs and systems (microservices, modular monolith, Domain-Driven Design); own performance and security by default.
  • Review code with meaningful feedback and mentor junior and mid-level engineers.
  • Take part in production support / on-call; investigate incidents to root cause and improve reliability.
  • Use AI-native tools (Kiro, GitHub Copilot) and build reusable skills / automation that speed up the team.
  • Contribute to shared libraries, standards, and reusable components.

Requirements

Required qualifications & skills

  • 5+ years of professional software engineering.
  • Deep hands-on expertise in C# / .NET and ASP.NET Core (REST APIs, dependency injection, async).
  • Strong relational database skills (SQL Server / MySQL) with EF Core and Dapper.
  • Cloud experience on AWS (ECS / EKS, Lambda, S3, SQS, RDS) and Docker.
  • Solid grasp of microservices, modular monolith, and Domain-Driven Design; good API design.
  • Automated testing (xUnit + mocking), monitoring / observability, CI/CD, and secure coding; awareness of payment compliance (PCI-DSS).
  • Comfortable using AI-assisted development tools daily.
  • Able to get productive quickly in an unfamiliar codebase.

Nice to have (one or more)

  • Payments — card issuing, 3-D Secure / ACS, or payment gateway.
  • Java with jPOS / ISO-8583; Visa / Mastercard host integration.
  • Microsoft Orleans, gRPC, or GraphQL.
  • Applied cryptography / HSM.
  • Messaging / streaming with Kafka.
  • Alternative datastores — OceanBase, DynamoDB, MongoDB.
  • Infrastructure as Code with Terraform.

We offer an attractive remuneration package, a fast-paced and exciting working environment, and provide challenging opportunities for life-long learning and career development.

Interested candidates are invited to send your comprehensive resume with current and expected salary package via this job ad. Please note that only shortlisted candidates will be notified.

Please consult our Candidate Privacy Notice to know more about how we collect, use, transfer and disclose our candidates' information: https://2c2p.com/candidate-privacy-notice.

By submitting your resume and information, you understand, acknowledge, and consent that your personal data will be processed in accordance with our Candidate Privacy Notice. You consent to the collection, use, transfer and disclosure of your personal data as well as to receive email and/or other electronic messaging communication from 2C2P.

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