Fullstack Engineer Intern

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About Carousell Group

Carousell Group is the leading recommerce group in Greater Southeast Asia on a mission to inspire the world to start selling, and to make secondhand the first choice.

Founded in August 2012 in Singapore, the Group has a leading presence in eight markets under the brands Carousell, Cho Tot, Laku6, Mudah.my , OneKyat, Ox Street, and Refash, serving tens of millions of monthly active users.

Carousell is backed by leading investors including Telenor Group, Rakuten Ventures, Naver, STIC Investments and Sequoia Capital India.

As a team of passionate individuals working together to solve meaningful problems, there is so much more for you to discover in a career with Carousell.

Our culture is made up of hiring, developing, and promoting people who embody our values of solving problems for our users; having a mission-first mindset; being relentlessly resourceful; caring deeply; and staying humble to constantly improve.

Together as an organisation, we make magic happen.

Responsibilities

• Design, implement, and ship features end-to-end — frontend UI, backend APIs, and the data layer — under the guidance of senior engineers.
• Use AI coding agents and assistants as a default part of your workflow — for scaffolding, refactoring, testing, debugging, and reviewing — while staying fully accountable for the correctness, security, and quality of every line you ship.
• Write clean, tested, maintainable code; participate in code reviews; and follow the team's engineering standards for quality, security, and performance.
• Practice spec-driven development — turn requirements from Product and Design into clear, reviewable specs before writing code and support the rollout and monitoring of what you build.
• Investigate bugs and performance issues across the stack, propose fixes, and contribute to refactoring and technical debt reduction.
• Work with CI/CD pipelines, automated testing, observability tooling, and cloud infrastructure as part of your daily workflow — and help the team discover new ways AI can make these practices faster and more reliable.
• Work closely with Product Managers, Designers, QA, and fellow engineers to turn ideas into features used by millions of Vietnamese people.

Requirements

• Final-year student or fresh graduate in Computer Science, Software Engineering, or a related field.
• Solid grasp of programming fundamentals, data structures, and algorithms; understanding of how the web works (HTTP, REST APIs, client-server architecture) and of relational and/or NoSQL databases.
• Hands-on experience with at least one modern frontend framework and one backend language/framework, through coursework, personal projects, open source, or previous internships.
• You don't need to be an expert in both — you need curiosity and willingness to work on either side.
• You already build with AI tools (coding assistants, agents, LLM APIs) and treat them as teammates, not shortcuts — you know how to prompt well, verify outputs critically, and understand where AI accelerates work and where human judgment is non-negotiable.
• Agile and adaptable in a fast-moving environment, with a logical, evidence-driven approach to problem-solving and a strong sense of product and user impact.
• Able to explain technical decisions clearly, ask good questions, and work effectively with both engineering and non-engineering teammates.
• High sense of ownership, proactive attitude, and excellent self-learning skills.

Preferred

• Experience integrating LLMs or AI features into a project is a plus.
• Comfortable with Git and the command line; familiarity with testing, containers, or cloud services is a plus.

Benefits

• Get exposed to challenging real-life projects Work closely with supportive and experienced teammates in a fast-paced environment Fruits, coffee, and tea, once in a while Paid internship (5 mil VND gross)