2C2P

Cross-border payment gateway and processing

Senior Software Engineer

Backend EngineeringConfirmed live in the last 24 hours

Full-timeBangkok, ThailandNo salary listed

About the Job

Requirements

At least 5 years of professional software engineering experience.
Deep hands-on expertise in C#/.NET and ASP.NET Core, including REST APIs, dependency injection, and asynchronous programming.
Strong relational database skills with SQL Server or MySQL, EF Core, and Dapper.
Cloud experience with AWS services including ECS or EKS, Lambda, S3, SQS, and RDS, as well as Docker.
Solid understanding of microservices, modular monoliths, and Domain-Driven Design, with good API design skills.
Experience with automated testing using xUnit and mocking, monitoring and observability, CI/CD, and secure coding; awareness of PCI-DSS payment compliance.
Comfort using AI-assisted development tools daily.
Ability to become productive quickly in an unfamiliar codebase.

Responsibilities

Deliver backend features and services end-to-end across multiple products, including design, building, testing, deployment, and monitoring.
Design APIs and systems using microservices, modular monoliths, and Domain-Driven Design, and ensure performance and security by default.
Review code and provide meaningful feedback, and mentor junior and mid-level engineers.
Participate in production support and on-call duties, investigate incidents to their root cause, and improve reliability.
Use AI-native tools such as Kiro and GitHub Copilot, and build reusable skills and automation to speed up the team.
Contribute to shared libraries, standards, and reusable components.

Desired Qualifications

Experience with payments, including card issuing, 3-D Secure/ACS, or payment gateways.
Experience with Java and jPOS/ISO-8583, or Visa/Mastercard host integration.
Experience with Microsoft Orleans, gRPC, or GraphQL.
Applied cryptography or hardware security modules (HSM).
Experience with Kafka for messaging or streaming.
Experience with alternative data stores such as OceanBase, DynamoDB, or MongoDB.
Infrastructure as Code experience with Terraform.

Senior Software Engineer

2C2P · Bangkok, Thailand · Full-time · Posted 2026-07-22

Workplace: on_site

Department: Technology

Description

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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About the Company

2C2P

Cross-border payment gateway and processing

2C2P is a payments platform that helps businesses accept online and mobile payments across Asia, Europe, and the US. It runs a full payment gateway that handles card payments and local alternative methods, supports currency conversion, and includes fraud tools, all through a single integration point. Revenue comes from processing merchants’ transactions (transaction fees). The company differentiates itself by offering extensive local payment option support tailored to diverse Southeast Asian markets and by backing from Ant Group, which became its majority shareholder in 2022 to help with expansion. Its goal is to enable businesses to securely and smoothly accept a wide range of electronic payments in the region and beyond, supporting cross-border transactions and improved conversion for local customers.

Company size: 501-1,000
Company stage: Series E
Total funding: $70M
Headquarters: Singapore, Singapore
Founded: 2003

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