Back-end Developer (.NET Core/C#) | Middle & Senior

TripOTA is looking for passionate Back-end Developers to join our engineering team and build scalable systems for the travel & hospitality industry. You will work on high-traffic platforms, API integrations, booking systems, and modern microservices architecture serving both domestic and international partners.
Develop and maintain backend systems using C# and .NET Core
Design, build, and optimize RESTful APIs and Web Services
Integrate with third-party systems such as airlines, hotel platforms, payment gateways, and travel partners
Work with SQL/NoSQL databases to ensure performance and scalability
Participate in microservices architecture development and system optimization
Collaborate closely with Front-end Developers, QA, Product, and DevOps teams
Troubleshoot, debug, and improve system stability for high-traffic environments
Research and apply new technologies, AI tools, and DevOps practices to improve development efficiency
Participate in Agile/Scrum development process
I. MIDDLE LEVEL
3+ years of experience in Backend Development using C#/.NET Core
Experience building REST APIs/Web APIs
Good understanding of SQL Server/PostgreSQL and NoSQL databases
Familiar with Microservices architecture
Experience with Docker, Git, CI/CD tools
Good problem-solving and teamwork skills
Experience working in Agile/Scrum environment
Nice to Have
Experience with Redis, MongoDB, ElasticSearch
Experience in high-traffic or real-time systems
Knowledge of travel-tech, booking systems, or payment integrations
II. SENIOR LEVEL
5+ years of Backend Development experience using .NET Core/C#
Strong experience in designing scalable Microservices architecture
Experience handling high-performance/high-traffic systems
Solid knowledge of system design, performance tuning, and security
Experience with Docker/Kubernetes and DevOps workflows
Experience working with Big Data or real-time processing systems
Ability to mentor team members and provide technical guidance
Strong communication and cross-team collaboration skills
Ability to drive technical solutions and architecture decisions
Nice to Have
Experience with cloud platforms (Azure/AWS/GCP)
Experience in travel-tech or OTA systems
AI-assisted development experience
III. POLICIES AND BENIFITS
Competitive salary based on experience.
13th-month salary and performance bonuses.
Health insurance and social benefits as per regulations.
12 days of annual leave, plus national holidays.
Company trips, team-building activities, and training programs.
Opportunities to work on large-scale projects in the travel and hospitality industry.
Ngành nghề: CNTT - Phần mềm, Hàng không, Du lịch
Kinh nghiệm: 3 Năm
Cấp bậc: Nhân viên
Hình thức: Nhân viên chính thức
Địa điểm: Hồ Chí Minh

Yêu cầu công việc

I. MIDDLE LEVEL
3+ years of experience in Backend Development using C#/.NET Core
Experience building REST APIs/Web APIs
Good understanding of SQL Server/PostgreSQL and NoSQL databases
Familiar with Microservices architecture
Experience with Docker, Git, CI/CD tools
Good problem-solving and teamwork skills
Experience working in Agile/Scrum environment
Nice to Have
Experience with Redis, MongoDB, ElasticSearch
Experience in high-traffic or real-time systems
Knowledge of travel-tech, booking systems, or payment integrations
II. SENIOR LEVEL
5+ years of Backend Development experience using .NET Core/C#
Strong experience in designing scalable Microservices architecture
Experience handling high-performance/high-traffic systems
Solid knowledge of system design, performance tuning, and security
Experience with Docker/Kubernetes and DevOps workflows
Experience working with Big Data or real-time processing systems
Ability to mentor team members and provide technical guidance
Strong communication and cross-team collaboration skills
Ability to drive technical solutions and architecture decisions
Nice to Have
Experience with cloud platforms (Azure/AWS/GCP)
Experience in travel-tech or OTA systems
AI-assisted development experience
III. POLICIES AND BENIFITS
Competitive salary based on experience.
13th-month salary and performance bonuses.
Health insurance and social benefits as per regulations.
12 days of annual leave, plus national holidays.
Company trips, team-building activities, and training programs.
Opportunities to work on large-scale projects in the travel and hospitality industry.