Flutter Developer – $3000 – $4500 – Plusteam Global

Website Plusteam Global


About PlusTeam Global:

PlusTeam Global is a comprehensive global provider of HR and Talent Acquisition Services, focusing primarily on the technology fields. PlusTeam helps foreign companies of all types and sizes reach their potential by providing the talent and support to efficiently build and scale a high-performing, distributed workforce in Vietnam

Our mission is to offer Vietnam’s most talented technologists a platform to connect with some of the world’s leading tech companies and build their expertise on a global scale. With our experience, Plusteam has built a good reputation, is trusted by many Vietnamese and foreign companies, and we will continue its good work to bridge the divide between the World and the Vietnam Tech sector.

About Client:

Bisonai aims to provide infrastructure services for companies to easily build Web3, the internet of the future, with blockchain technology.Our company was founded by 2 engineers with years of experience in different technology sectors. Bryan (CEO) is a robotics engineer and worked at KakaoBrain for several years, the artificial intelligence technology research and development subsidiary of Kakao.

Martin (CTO) has an AI + ML background and worked at HyperConnect, a global technology company based in Seoul that provides video and AI-powered social discovery products. At Bisonai, they are aiming to innovate in blockchain technology.

The blockchain sector is abundant with innovation, but not without its risks. Led by the cryptocurrency industry, but it is still immature and regular users still face the reality that their assets could be lost or the blockchain that they’re built upon could fail.

With our years of experience in established IT sectors, Bisonai are excited to bring our experience to the blockchain sector and see the immaturity in the space as an opportunity.

Firstly, we aim to provide blockchain consulting as well as a solution-based SaaS business in the form of B2B in order to understand the needs of the market and build a mature technology base. We are a CIC (Company in Company) of the organization Krust Universe.

Krust operates on the Klaytn blockchain mainnet and has an excellent in-house development team in Korea.

We have a clear goal to spin-off when we establish a clear business model and attain cash flow. Many startups have a lack of resources to keep up with the pace of technological advancement. However, with the support of Krust and leeway to work with fantastic partners on exciting projects, we see great opportunities ahead with Krust’s wholehearted support to focus on the essence.


  • You will be building and shipping robust web3 apps to Android/iOS devices using a single codebase.
  • You will be writing readable and clear code using Dart that will be extensively documented for future use and upgrades.
  • You will be sharing feedback and brainstorming ideas with teams to improve the development process.
  • Understand basic concepts of design for developing user friendly applications.
  • Stay up to date with the latest technologies.

Expectations in the first week

  • Understand the various practices and processes followed in the team.
  • Familiarize yourself with the different stacks and products.

Expectations in the first month:

  • Discuss on product features with an in-house design team.
  • Build a codebase using Dart for design system.
  • Document and run tests to enhance product performance.
  • Construct CI/CD and stable development environment.

Expectations in the first six months

  • Work as a team to achieve the same goal.
  • Take feedbacks and improve the codebase for future upgrades.
  • Lead development initiatives for other features.


  • Highly proficient in spoken and written English, to the level of having used English in a professional setting for 5+ years
  • 3+ years knowledge in mobile app development.
  • Understanding of blockchain basics.
  • Experience in development of Android/iOS applications and have deployed them on Google Play/App Store.
  • In depth understanding of state management libraries such as Provider, Freezed, get_it.
  • In depth understanding of front end languages like HTML, CSS and JavaScript.
  • In depth understanding of Object Oriented programming languages like Java and C++- Familiarity using version control tools like Git, Subversion etc. and IDEs like Android Studio, VS Code etc.
  • Understanding of the Agile Software Development Life Cycle and been exposed to Scrum projects.- Knowledge of Dart programming language, Rest APIs and integration of various APIs from third parties.
  • Comfortable using test cases for debugging code, enhancing performance and reliability.

Nice to Have

  • Good understanding of Web3 and experience in Web3 development.
  • Experience in development of non-custodial wallet with Flutter.
  • Knowledge of blockchains (e.g. Klaytn, Polkadot, Solana) and blockchain tools (e.g. Hardhat, Truffle, Foundry, Substrate).
  • Experience in Test Driven Development and automation for testing.
  • Experience in a Tech Lead for a mobile development team.
  • Experience in working in early-stage startup.
  • Experience in development with AWS and GCP
  • Experience in development with Docker and Kubernetes


Being a member of us, you will experience a youthful, flexible and creative work environmen

  • Onsite opportunity
  • MacBook for working.
  • Attractive salary and annual salary review
  • Working in a professional, friendly, well-equipped environment both with foreigners and Vietnamese
  • Extensive on job training, you will always have a chance to work with new emerging technologies
  • Full social insurance, health insurance & unemployment insurance according to Vietnam Labor Law
  • 12-day annual leave per year.
  • 13th month salary.

WORKING TIME: 9AM – 6PM from Monday to Friday

LOCATION: District 2, Ho Chi Minh City.

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