Compiler/PolkaVM Software Engineer
As caretakers of the Polkadot and Substrate ecosystem, Parity is establishing a framework for an improved web that prioritizes individual freedom and data privacy while enabling developers to leverage decentralized technology for enhanced service offerings. The organization advocates for a decentralized internet that safeguards individual rights and empowers developers to create superior services. With a globally-distributed team that operates remotely, Parity is actively developing open-source technologies, including Polkadot, Substrate, and Kusama, for adoption and expansion by developers and businesses.
About the Team
The position is part of the Smart Contracts team, responsible for facilitating smart contract execution on Polkadot. The team deals with a spectrum of software components such as PolkaVM, revive, and the smart contract execution environment within the Polkadot ecosystem.
About the Position
We are seeking Software Engineers to contribute to the ongoing development of PolkaVM and the revive recompiler. Responsibilities include working on a cutting-edge RISC-V based virtual machine, an LLVM-based EVM to RISC-V recompiler, creating comprehensive benchmark suites to assess performance metrics against industry competitors, and integrating these technologies into the smart contract execution environment.
About You
We are looking for individuals with expertise in or a strong interest in areas such as virtual machines, RISC-V, dynamic recompilation, code optimization, low-level memory management, security sandboxing, zero knowledge proof systems, and zero knowledge virtual machines. The successful candidate should be capable of working independently, excel in a collaborative open-source setting, demonstrate ownership of their work, possess strong communication skills, and showcase the ability to present complex concepts in a clear and concise manner.
About Working for Us
Joining our team comes with competitive compensation packages based on market research, including tokens where permissible by law. We offer a remote-first work environment with flexible hours, surrounded by enthusiastic team members passionate about their projects. Employees have the opportunity to engage with thought leaders in the Web3 space, enhancing their skills and knowledge firsthand. Additional benefits include network opportunities, team and company-wide retreats, and the provision of a work laptop. Employees in Germany, Portugal, and the UK enjoy extra benefits such as healthcare, parental leave, generous PTO, and local team events.
Parity is committed to fostering a diverse team and ensuring all employees feel included and valued within our collaborative environment. For further insights regarding your data usage, kindly refer to the Applicant Notice on our website. If this role doesn't align with your skills and aspirations, explore our other available positions on our careers page.
Chief Technology Officer (CTO) / Senior Full-Stack Developer (Web3)
We are building a next-generation Web3 social platform designed to redefine how digital communities connect, collaborate, and grow.
Backed by years of experience within the cryptocurrency, blockchain, and digital asset ecosystem, our team has developed deep insights into how founders, developers, investors, creators, and communities interact. This understanding inspired us to create a platform that goes beyond financial applications and focuses on empowering meaningful social engagement.
Our mission is to build a transparent, community-driven social network where users can share ideas, collaborate on projects, discover opportunities, and create lasting relationships. We believe the next evolution of social media will be powered by decentralized technologies while maintaining an exceptional user experience, simplicity, and long-term sustainability.
We are seeking an experienced Chief Technology Officer (CTO) or Senior Full-Stack Developer who is passionate about Web3 and capable of leading the technical vision, architecture, and execution of our platform from the ground up.
Responsibilities
Lead the technical strategy and product architecture.
Design and build scalable backend systems and modern frontend applications.
Develop high-performance APIs and real-time features.
Integrate blockchain technologies, wallets, and Web3 authentication where appropriate.
Build secure, reliable, and maintainable infrastructure.
Collaborate closely with product, design, and leadership teams.
Establish engineering best practices, code quality standards, and development workflows.
Mentor engineers and help grow the technical organization.
Evaluate emerging technologies and implement solutions that improve scalability, security, and user experience.
Requirements
5+ years of professional software development experience.
Strong experience with modern JavaScript/TypeScript ecosystems.
Experience with React, Next.js, Node.js, or similar technologies.
Solid understanding of system architecture, cloud infrastructure, databases, and API design.
Experience building scalable consumer-facing products.
Familiarity with blockchain technologies, Web3 infrastructure, wallets, smart contracts, or decentralized applications.
Strong knowledge of security best practices and application performance optimization.
Excellent problem-solving and communication skills.
Ability to work independently in a fast-paced startup environment.
Preferred Qualifications
Experience building Web3 or crypto products.
Understanding of decentralized identity, token ecosystems, or on-chain social applications.
Experience leading engineering teams or serving in a technical leadership role.
Background in DevOps, CI/CD, Docker, Kubernetes, or cloud platforms such as AWS or GCP.
Experience with real-time messaging, social platforms, or community products.
What We Offer
Competitive full-time compensation.
Opportunity to build a product from an early stage with significant technical ownership.
Flexible and remote-friendly work environment.
Collaborative team focused on innovation and long-term impact.
Work on cutting-edge Web3 technologies and help shape the future of digital communities.
Opportunity for career growth and leadership as the platform scales.
If you are excited about building the next generation of Web3 social experiences and want to make a meaningful impact from the earliest stages, we'd love to hear from you.
Backend Engineer with hands-on blockchain experience
Senior Blockchain Engineer (Cosmos SDK & IBC)
Expectations:
Design custom modules (x/staking, x/rewards, x/merkl)
Implement IBC light clients and relayers
Optimize block time and state pruning
Write comprehensive unit & integration tests (Go test)
Build CLI tools for validators and delegators
Monitor node health and network upgrades
Collaborate with the research team on MEV-resistant ordering
Maintain chain upgrades (v1 → v2) with migration scripts
Write technical documentation for external validators
Nice to have:
Experience with Avalanche Subnets or Polkadot Substrate
Knowledge of HSM and key management
Open-source contributions to Cosmos SDK or related repos
Chinese+English language proficiency
Senior Mobile application developer
But specially, candidate should be native in English.
Team communication is very important.
Please bid US only
Thank you
Web Developer
I need a custom ebay like site for bitcoins or using stock credit on it. I need it to let you pay the user verbally, like an agreement you agree on that's it. I need the site fixed so it can be upgraded in the future.
I need it to be fixed so you can upload something to the site and sell it.
All I ask is keep the buying and selling part verbal agreements only. Like sending the user stock credit virtually.
Bid on things on the website
Sell things on the website
Buy things on the website
All I ask is keep the programming simple and the website in a simple form.
I need a website for the web browser and one for the phone web browsers.
If you can put in a custom user admin for it also, then that will be great.
Thank you,
Chris Clark (666 Encryption, CEO)