Blockchain Architect | Remote
Full-time - Remote
About employer and position:
Join a dynamic and innovative global company, with a team of over 35 talented professionals working remotely around the world. We are a Layer 1 blockchain, pioneering the future of Web3 and aiming to onboard the next billion users. With tens of millions of users worldwide already benefiting from our technology, this is a unique opportunity to contribute to a high-impact product and be a key player in shaping the future.

We are seeking a Blockchain Architect with deep expertise in C++ and extensive experience in core blockchain development (not limited to smart contracts related work). In this role, you will leverage your advanced technical knowledge and leadership skills to design, build, and optimize our blockchain infrastructure. This is a unique opportunity to shape the future of our ecosystem while working on cutting-edge distributed systems.
Our approach:
We are looking for individuals who embody a startup mindset—creative problem solvers who thrive in fast-paced environments. Our philosophy emphasizes efficiency and innovation, where the focus is on achieving in one day what might take others two or more. As a result, we value developers who are both resourceful and driven, capable of delivering high-quality results quickly without compromising on attention to detail.

At times, we may require extra hours to meet deadlines, but we always compensate those hours accordingly. In addition to competitive salaries, we also offer token allocations to team members based on their performance, giving you an opportunity to share in the success and growth of the company.
Responsibilities:
  • Architect and develop core blockchain components and protocols, optimizing for performance, security, and scalability.
  • Collaborate with cross-functional teams, including cryptographers, developers, and network engineers, to deliver robust and scalable solutions.
  • Drive architectural decisions for the blockchain ecosystem, with a focus on network consensus, transaction lifecycles, and security.
  • Maintain a hands-on approach to coding and code review, particularly in C/C++.
  • Conduct in-depth research and testing to ensure adherence to best practices in blockchain and distributed systems design.
  • Lead team members, contributing to a culture of technical excellence.
Requirements:
Extensive C/C++ experience (preferably working with low-level systems).
  • 10+ years of backend experience (preferably with C/C++, Rust, Golang, Zig).
  • Recent 5 years of C/C++ experience working on high-performance, highly scalable solutions.
  • Demonstrated leadership in blockchain projects, with experience designing and implementing core blockchain technologies.
Deep understanding of the blockchain(web3) ecosystem, including:
  • Network consensus algorithms (BFT, RAFT, etc);
  • Blockchain consensus algorithms (PoW, PoS, PoA, etc.);
  • Scalability↔correctness tradeoffs;
  • Transaction lifecycle, security, and cryptographic principles.
Additionally:
  • Proven experience designing and/or integrating distributed systems.
  • Strong attention to detail and ability to work independently, with a self-sufficient and proactive approach.
Nice to have:
  • Deep understanding of TON’s monorepo.
  • Decent understanding of TON Services (TON DNS, TON Proxy, TON Payments, TON Storage) and how they interact with the main node(blockchain).
  • Experience with Golang.
  • Experience with Rust.
  • Experience in writing smart contracts with funC, solidity, or any other smart contract language.
  • Experience in developing and releasing any part of a blockchain.
  • Experience with quantum-resistant cryptographic algorithms.
Recruiting process:
  1. Introduction call with COO (30-45 min).
  2. Technical interview with CTO (1,5 hr).
What we offer:
  • Fully remote work environment with a competitive salary in USD.
  • 20 paid vacation days per year.
  • Token allocation based on individual performance, giving you the opportunity to share in the growth of the company.
  • A nimble and dynamic startup culture, working alongside high-level experts in the blockchain and tech industries.
  • Exposure to cutting-edge blockchain technologies and the opportunity to make a real impact in the Web3 space.
To apply please send your CV to recruitment@picstar.co
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Contacts
  • Email: recruitment@picstar.co
  • 1A, Sportyvna Square, Tower B, Floor 11, Kyiv, Ukraine