Backend Engineer

• Develop and maintain backend services and REST APIs using Node.js and TypeScript;
• Design relational data models and work with PostgreSQL;
• Build integrations with external platforms, services, and APIs;
• Work with AWS services and cloud-based environments;
• Contribute to architecture, security, scalability, and technical decisions;
• Implement authentication, authorization, and data protection mechanisms;
• Optimize application and database performance;
• Develop asynchronous processes and event-driven workflows;
• Contribute to deployments, monitoring, CI/CD, testing, and code quality;
• Collaborate with product, frontend, design, and business teams.

Backend Developer

• Design, build, and maintain backend services and APIs (C#/.NET) that power the platform's core business logic.
• Implement and maintain the service layer for asset tracking, facility navigation, and event detection features.
• Integrate with third-party positioning/telemetry providers and their APIs.
• Define and evolve API contracts in collaboration with the frontend team (web admin portal and mobile app).
• Write automated tests, participate in code review, and help keep the codebase maintainable as the platform grows.
• Support deployment, monitoring, and troubleshooting of backend services in production.

• Build backend services, APIs and workflows for the AI Neobank app.
• Support products across insurance, payments, wallet, savings, investing, travel and financial services.
• Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations.
• Work with product and mobile teams to ship customer-facing journeys quickly.
• Integrate with banks, payment gateways, insurers, data providers and other partners.
• Improve system reliability, observability, security and performance.
• Build systems that are practical, auditable and ready for regulated financial products.

Backend Software Engineer – AI Neobank App

• Build backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, travel, FX, KYC and risk flows.
• Design reliable systems that can support real customer transactions, operational workflows and future financial products.
• Integrate with internal systems, financial partners, payment providers, AI services and third-party platforms.
• Own backend quality across reliability, security, latency, observability, data integrity and incident handling.
• Work with product, frontend, mobile and AI teams to launch features quickly and safely.
• Improve existing systems by simplifying flows, removing manual work and automating repeatable processes.

• Design, develop, and maintain scalable full-stack applications across both front-end and back-end systems.
• Build and maintain robust microservices using Java Spring Boot.
• Develop front-end applications using Angular 19.
• Design and implement distributed, scalable solutions aligned with business requirements.
• Design and manage databases using PostgreSQL and ensure efficient data integration across services.
• Containerize applications using Docker and manage deployments with Kubernetes (K8S).
• Collaborate closely with designers, product managers, and cross-functional teams to deliver high-quality products.
• Participate in requirement analysis, solution design, and technical decision-making across the stack.
• Ensure code quality through best practices, including testing (unit/integration), code reviews, CI/CD, and documentation.
• Work effectively in global teams and contribute to Agile/Scrum development processes.

Senior/Lead Fullstack Engineer, Java, Angular

• Build backend services, APIs and workflows for the finance super app.
• Support products across insurance, payments, wallet, savings, investing, travel and financial services.
• Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations.
• Work with product and mobile teams to ship customer-facing journeys quickly.
• Integrate with banks, payment gateways, insurers, data providers and other partners.
• Improve system reliability, observability, security and performance.
• Build systems that are practical, auditable and ready for regulated financial products.

Backend Software Engineer – Finance Super App

• Design, develop and maintain robust backend services in native PHP (7/8), with clean, testable and well-documented code.
• Build and optimize high-volume transaction and billing workflows, ensuring reliability, idempotency and data integrity at scale.
• Develop and maintain REST/SOAP APIs for operator, merchant and third-party integrations.
• Work with relational databases (MySQL/MariaDB/PostgreSQL): schema design, query optimization, indexing and performance tuning.
• Integrate with external systems and gateways (payment, messaging/SMS, USSD, carrier connections, monitoring, billing).
• Implement asynchronous processing using message queues (RabbitMQ, Kafka) and caching layers (Redis/Memcached).
• Ensure application security, resilience and observability (logging, metrics, alerting) in a high-availability context.
• Contribute to CI/CD pipelines, code reviews, and Git-based workflows.
• Collaborate with product, ops and QA teams to ship, monitor and continuously improve services in production.

PHP Developer

• Design, build, and maintain backend services and APIs.
• Develop scalable application logic, data flows, and service-side integrations.
• Build production-ready systems using technologies such as Go, C#, Node.js, Python, and MongoDB where appropriate.
• Use AI Tools like Cursor and agent-assisted workflows to accelerate coding, debugging, refactoring, documentation, and delivery.
• Write maintainable, testable, and observable code with attention to correctness, performance, and reliability.
• Investigate production issues, participate in incident handling, and contribute to sustainable fixes and operational improvements.
• Collaborate with product managers, designers, and engineers to translate requirements into practical technical designs.
• Contribute to better engineering practices around code quality, release confidence, and service ownership.
• Ensure reliability, performance, and scalability of the infrastructure serving customers across 190+ countries

Agentic Engineer I – Backend

• Join our CodeHQ Vietnam team in HCMC (Quan 12)
• Work on web applications that require strong .NET skills along with modern frontend experience in either Blazor or HTMX
• Work on two upcoming projects: a Medical Management platform and a Transport & Logistics system
• Participate in agentic AI-assisted development using tools like GitHub Copilot Enterprise and Claude Code
• Practice Domain-Driven Design (DDD), Behaviour-Driven Development (BDD), Test-Driven Development (TDD), and end-to-end testing with Playwright

Full-stack Software Developer, .Net, Blazor

• Design, implement and maintain new features and functionalities for the SAAS platform, understanding the requirements of insurance businesses and translating them into scalable and efficient software solutions
• Work on both the front-end and back-end of the application, demonstrating expertise in various technologies, frameworks, and programming languages
• Work collaboratively with product, design, engineering teams, and UX designers to understand end-user requirements, use cases, and technical concepts, translating them into a cohesive and effective solution while ensuring a seamless user experience.
• Optimize the performance of the application to handle large amounts of data and high user traffic, delivering a smooth user experience
• Participate in code reviews and enforce best coding practices, while also writing and executing unit tests and integration tests to maintain code quality
• Investigate and promptly fix bugs to maintain the reliability of the platform
• Ensure security and compliance by following best practices for securing web applications and adhering to relevant regulations in handling sensitive customer data
• Stay up-to-date with the latest technologies, frameworks, and best practices to ensure we remain competitive and innovative
• Design the platform with scalability and flexibility in mind, accommodating new features and changes as the number of clients and users grows
• Provide mentorship to junior developers, aiding in their technical growth and effective contribution to the team's goals

Senior Full Stack Engineer – .Net, Vue/React

• Design, develop, and optimize high-performance backend services and RESTful / GraphQL APIs using Node.js.
• Build and maintain scalable, reusable frontend components using Vue.js, ensuring high responsiveness and seamless user experiences.
• Architect end-to-end technical solutions covering both server-side and client-side layers, with a clear focus on scalability and long-term maintainability.
• Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB) to ensure efficient data modeling, indexing, and query performance.
• Implement state management patterns (Vuex / Pinia) and apply frontend performance optimization strategies.
• Lead code reviews, enforce engineering standards, and grow the technical capability of junior and mid-level engineers on the team.
• Identify and address technical debt proactively - propose and drive architectural improvements across the codebase.
• Collaborate with product managers, designers, and client stakeholders to translate business requirements into robust, scalable technical solutions.
• Implement caching, logging, monitoring, and security best practices including OWASP Top 10 compliance.

Senior / Lead Fullstack Engineer – Node.js, React.js, Vue.js

• Design, develop, and optimize high-performance backend services and RESTful / GraphQL APIs using PHP (Laravel or Symfony).
• Build and maintain scalable, reusable frontend components using Vue.js or React, ensuring high responsiveness and seamless user experiences.
• Architect end-to-end technical solutions covering both server-side and client-side layers, including microservices design, with a clear focus on scalability, security, and long-term maintainability.
• Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB) to ensure efficient data modeling, indexing, and query performance.
• Implement state management patterns (Vuex / Pinia for Vue.js, Redux / Zustand for React) and apply frontend performance optimization strategies.
• Lead code reviews, enforce engineering standards, and grow the technical capability of junior and mid-level engineers on the team.
• Identify and address technical debt proactively - propose and drive architectural improvements across the codebase.
• Collaborate with product managers, designers, and client stakeholders to translate business requirements into robust, scalable technical solutions.
• Implement caching, logging, monitoring, and security best practices including OWASP Top 10 compliance.

Senior / Lead Fullstack Engineer, PHP, Vue.js, React

• Collaborate with the Web Development team to understand project requirements and translate them into technical solutions.
• Develop, maintain, and optimize custom backend functionalities, modules, and integrations for Magento 2 platforms, ensuring performance, scalability, and reliability.
• Integrate Magento 2 platforms with third-party systems such as ERP, CRM, payment gateways, and shipping providers.
• Write clean, maintainable, and well-documented code following Magento 2 best practices and coding standards.
• Troubleshoot, test, and resolve technical issues to ensure system stability, security, and functionality.
• Support Magento upgrades, security patches, and continuous platform improvements while working in an Agile environment using Git, Bitbucket, and Jira.

Senior Back-end Developer, Magento 2

• Working on Web and Mobile products for diverse clients and industries.
• Working and pair programming with other developers to build applications with Python/Node.js and ReactJS.
• Designing & implementing back-end API using Python/Node.JS
• Working with Product Owners to convert business requirements into technical designs.
• Cooperating with UI designers to implement modern minimalist designs into production.
• Applying proven technologies and best practices to level up your technical skills: NestJS, Redux
• Learning new languages and frameworks to improve yourself and stay current in an ever-changing environment.

Senior Full-stack Developer – NodeJS, Python, ReactJS

• Develop, maintain, and enhance Python-based applications, automation tools, scripts, and utilities.
• Design and implement automation scripts to support testing, monitoring, deployment, and operational workflows.
• Build and maintain automation test scripts using Python and related frameworks.
• Support backend service development, API integration, and internal tooling using Python.
• Work with engineering teams to improve code quality, maintainability, and performance.
• Integrate automated scripts and tools into CI/CD pipelines, such as GitHub Actions or similar platforms.
• Support DevOps-related activities, including build, deployment, release automation, and environment configuration.
• Work with containerized environments using Docker and Kubernetes.
• Collaborate with infrastructure and DevOps teams to support deployment and operations in cloud-native environments.
• Troubleshoot application, automation, and deployment issues across development, test, and production-like environments.
• Contribute to technical documentation, coding standards, automation guidelines, and continuous improvement initiatives.
• Work in Agile/DevOps environments and collaborate with cross-functional teams.

Backend Engineer jobs in Vietnam

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Backend Developer

Backend Engineer

Backend Software Engineer – AI Neobank App

Backend Developer

Senior/Lead Fullstack Engineer, Java, Angular

Backend Software Engineer – Finance Super App

PHP Developer

Agentic Engineer I – Backend

Full-stack Software Developer, .Net, Blazor

Senior Full Stack Engineer – .Net, Vue/React

Senior / Lead Fullstack Engineer – Node.js, React.js, Vue.js

Senior / Lead Fullstack Engineer, PHP, Vue.js, React

Senior Back-end Developer, Magento 2

Senior Full-stack Developer – NodeJS, Python, ReactJS

Senior Python Engineer