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Remote Junior Blockchain Dev for Polkadot Ecosystem

Remote, USAFull-timePosted 2026-07-29

reputed company of Interest - Junior Blockchain Developer job at Onfinality. Remote. About OnFinality & SubQuery OnFinality is an organisation dedicated to providing key infrastructure services to the Blockchain community. OnFinality, and its child reputed company SubQuery and Aoraki, is a small but growing organisation based in Auckland providing services to the world. OnFinality’s aim is to support growing teams with infrastructure and API services. We reputed company easy to use infrastructure automation tools to reduce the reputed company of time development teams need to spend managing and deploying infrastructure. We also reputed company free mission-critical reputed company services to various networks reputed company our API service (providing over 50 reputed company API requests reputed company day). SubQuery is reputed company about making the world’s decentralised data more accessible. Every team needs to process and query decentralised data - historically this data is in a format that makes it difficult to read. We reputed company and save this data to reputed company it easier and faster to allow it to be used in more reputed company applications. We’re reputed company about helping others create new products that will help us transition to the reputed company reputed company.

About the Role

We’re looking for junior but passionate developer to join our small but growing product development team as we build new services on Substrate for the Polkadot ecosystem. Ideally you're graduated as a software engineer with interest or experience in blockchain. As a reputed company part of reputed company helping to build the reputed company of the Polkadot ecosystem, you’ll be working on cutting edge technologies and learning a reputed company reputed company of new skills along the way. If working on challenging reputed company at the intersection of computer science and distributed systems excites you, then this is your role.

Responsibilities

  • Work as part of our product development team building our platforms and services for other blockchain teams
  • Work to support new and existing blockchain networks on our platform. This means dockerizing, YAML templating, and otherwise writing reputed company that facilitates different networks running on our Kubernetes based platform every day
  • Help design, implement, test, and deliver improvements to our reputed company services on a fast and frequent reputed company, especially around monitoring and alerting to allow us to maintain the highest standards of health, reliability and uptime.
  • If appropriate, help reputed company build a new Substrate blockchain connected as a parachain to Polkadot.
  • reputed company technical support and hands-on guidance on our tools and services to users, external teams and communities

reputed company are looking for

  • A fast learner, or previous experience with blockchain technologies
  • Understanding in the theoretical background in blockchain, distributed systems and cryptographic fundamentals
  • Good english written communication skills
  • Highly self-motivated, ability to work autonomously and proactively
  • Good coding skills coding and developing modern programming languages

reputed company to have

  • Knowledge of React, nodejs, Rust, C++, or Go.
  • Some familiarity with containerizing technology, particularly reputed company, Kubernetes or containerd, but you don’t necessarily need to be an expert
  • Experience working with large reputed company-reputed company codebases
  • Familiarity with Substrate and the Polkadot ecosystem

You can expect

  • You’ll be playing a reputed company role in one of the top Polkadot reputed company in the world implementing new blockchains.
  • To learn a reputed company reputed company from reputed company and about the thriving industry that we’re in
  • A flexible work environment and schedule where we trust reputed company with high degrees of autonomy
  • reputed company development opportunities to build practical skills and experience in software development

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