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Parity Technologies ENG London, England, United Kingdom
🗓  8 hours ago 📍 London / UK Blockchain Crypto EVM Polkadot.js Research Zero-knowledge Flexible/unlimited PTO
As stewards of the Polkadot and Substrate ecosystem, Parity is laying the foundation for a better web that respects the freedom and data of individuals and empowers developers to create better services through decentralised technology. The internet is too important to billions of people for it to be at the mercy of a few powerful companies. With a remote-first, global team, Parity is building open-source technologies for developers and organisations to implement and build upon. Our Web3 tech stack includes Polkadot, Substrate, and Kusama. We believe in a decentralised web that respects the freedom and data of individuals and empowers developers to create better services. Our vision is to create a world based on truthful, rather than trustful, interactions. Our mission is to make Polkadot the most active and innovative community in blockchain. About the Team The role is part of the Smart Contracts team which is res

As stewards of the Polkadot and Substrate ecosystem, Parity is laying the foundation for a better web that respects the freedom and data of individuals and empowers developers to create better services through decentralised technology. The internet is too important to billions of people for it to be at the mercy of a few powerful companies.

With a remote-first, global team, Parity is building open-source technologies for developers and organisations to implement and build upon. Our Web3 tech stack includes Polkadot, Substrate, and Kusama.

We believe in a decentralised web that respects the freedom and data of individuals and empowers developers to create better services. Our vision is to create a world based on truthful, rather than trustful, interactions. Our mission is to make Polkadot the most active and innovative community in blockchain.

About the Team

The role is part of the Smart Contracts team which is responsible for supporting the execution of smart contracts on Polkadot. This ranges from low level software like PolkaVM and revive to our smart contract execution environment.

About the Position

We are looking for new Software Engineers to join the team, specifically for work on PolkaVM and the revive recompiler. You will...

  • Work on a state-of-the-art RISC-V based virtual machine and an LLVM-based EVM to RISC-V recompiler
  • Create comprehensive benchmark suites to track and improve performance against competing technologies
  • Integrate those technologies into our smart contract execution environment

About You

  • You have experience or are excited to learn about things such as...
  • Virtual machines, RISC-V, AMD64 assembly, dynamic recompilation, bytecode interpreters, compilers (in particular code optimization and machine code generation), low level memory management, low level operating system interfaces (Linux in particular), security sandboxing, performance engineering, zero knowledge proof systems in general and zero knowledge virtual machines in particular
  • You work autonomously and solve problems independently
  • You work well in a collaborative, open-source culture and environment
  • You take ownership of your work and actively see it through to the end, gathering and incorporating feedback as you progress
  • You have good communication skills and you can present your work in “plain English”, not only to your colleagues, but also in blog posts or at conferences

About Working for Us

  • Competitive remuneration packages based on iterative market research, including tokens (where legally possible)
  • “Future of work” environment that’s remote-first and self-initiating with flexible hours
  • Team mates that are genuinely excited about their impact and projects
  • Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job
  • Becoming part of the wider ecosystem (career and networking opportunities)
  • Team and company-wide retreats
  • Work laptop

Those joining our collective as an employee in Germany, Portugal, and the UK, also enjoy benefits such as healthcare, parental leave, PTO (28 days per year) and local team events.

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data.

Is this position not quite your match? Browse our other open roles.

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Apply Now:

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Bitfinex ENG London GB
We're on a mission to create the most innovative and industry-leading Cryptocurrency exchange. We’re looking for a Software Quality Agent to join our team and assist in maintaining the quality of our various software products. Our team is globally distributed and fully remote , so excellent English communication skills are critical. The personal & professional qualities we’re looking for: To be a successful member of our team you will need to demonstrate that you have the following personal and professional qualities: To be a successful member of our team, you will need to demonstrate that you have the following personal and professional qualities: Communicator - Excellent proficiency in English, both

We're on a mission to create the most innovative and industry-leading Cryptocurrency exchange.

We’re looking for a Software Quality Agent to join our team and assist in maintaining the quality of our various software products.

Our team is globally distributed and fully remote, so excellent English communication skills are critical. 

The personal & professional qualities we’re looking for:

To be a successful member of our team you will need to demonstrate that you have the following personal and professional qualities:

To be a successful member of our team, you will need to demonstrate that you have the following personal and professional qualities:

Communicator - Excellent proficiency in English, both written and verbal.

Inquisitive - Eagerness to learn and acquire knowledge on our complex systems by reading and by experimentation, and crucially, not afraid to ask questions and engage with others to acquire information.

Autonomy - The ability to self-identify and resolve tasks, make certain decisions, and contribute to additional tasks without being prompted or chased.

Tenacity - The ability to persevere in fast-paced environments with sometimes limited resources and information.

Dedication - Willing to offer your expertise and test effort at the most critical moments and at inopportune times.

Ownership - Take ownership and responsibility of a whole product with regard to its quality and stability.

Innovator - Actively identifies improvements to practices and processes, and is comfortable planning and commanding their implementation.

Teamwork - Comfortable assisting others, answering their questions, being open and accessible, and willing to help others achieve their tasks.

Independence - You have the ability to excel without being directly controlled, and you thrive in an environment where you are not micromanaged.

Trust - You can be trusted to work remotely with limited supervision, and you have no doubt that your work logs and activity will reflect that.

Self-motivated - Always looking for opportunities to contribute - Having a gap in your schedule is an opportunity to learn, work on process improvements, and offer help to others.

Working for Bitfinex is 100% remote.

Remote work is exciting and offers a unique degree of flexibility and freedom, but it is not suitable for everyone.

It is also vital that you are trustworthy and self-motivated. We will trust you to work hard for us and give you a high degree of autonomy and independence. Please note that if your subsequent work record does not reflect your suitability for a remote role, then you will not be a successful candidate.

However, if you appreciate the benefits of a remote role and you embody all of the qualities and requirements that we’re looking for, we'll be eager to hear from you!

Key Responsibilities:

  • Take ownership of project(s) and take primary responsibility for their quality and stability. Use your skills and expertise to introduce a test regiment and regularly execute it.
  • Be the primary point of contact when projects under your ownership experience issues. Work with the developers to diagnose and resolve any reported issues.
  • Be an active and accessible knowledge point. Be willing to assist customer support, developers, and other teams when questions are presented about our products. Strive to be an expert regarding the product and share your knowledge.
  • Be opinionated on the overall product quality beyond its function - share your thoughts and concerns, on matters such as UX and performance, and offer pragmatic solutions.
  • Proficiently able to trace and examine API calls in the browser and make direct calls via a scripting language such as Javascript.
  • Monitor bug reporting channels and catalog, reproduce and triage them.
  • Help the team with regular general testing and release preparation for all our products.
  • At least 2 years experience in a similar role.

  • Remote working experience.

  • Experience with trading exchange technology.

  • Experience with cryptocurrencies.

  • Proficiency in a scripting language such as Javascript or Python is beneficial.

  • An understanding of the foundations of website development is beneficial - such as distinguishing between client and server-side issues, being comfortable examining and debugging API calls using browser developer tools etc.

  • Mobile applications quality assurance experience is beneficial.

  • A demonstrable work portfolio is beneficial, such as hobby software, YouTube, GitHub etc.

If you feel you embody these qualities, have the experience and knowledge, and would thrive in a remote-working environment, then get in touch with us by completing the application form.

Apply Now:

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Bitfinex ENG London GB
Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers. Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest in cryptocurrency trading. Since then, our team has gained invaluable experience whilst cementing our spot as the go-to platform for digital asset traders and institutions. Our Mission Our aim is to create a free and accessible global digital economy by disrupting the current financial services industry. Our team is entirely remote , composed of individuals with an ownership mentality; no one waits to be told what to do. Each member of the team is a highly motivated self-starter that is comfortable with autonomy and believes in lifelong learning. When we’r

Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers.

Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest in cryptocurrency trading. Since then, our team has gained invaluable experience whilst cementing our spot as the go-to platform for digital asset traders and institutions.

Our Mission

Our aim is to create a free and accessible global digital economy by disrupting the current financial services industry.

Our team is entirely remote, composed of individuals with an ownership mentality; no one waits to be told what to do. Each member of the team is a highly motivated self-starter that is comfortable with autonomy and believes in lifelong learning. When we’re not working, we’re dreaming about it. We place our egos aside and thrive within a culture that fosters one another from the birth of a concept to launch of a product.

At Bitfinex you have the freedom to work as you please - all that matters is execution.

Join us and help lay the foundation for a decentralized future.

Currently looking for:

P2P Backend Developer

Key responsibilities

As a senior Backend Developer, you will be a part of the team that works on the development of the backend components of all Bitfinex Services (main trading application, Bitfinex Pay, Lightning Network support, Blockchain integrations, ….). This includes:

  • New Products and Features - Bitfinex continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry.

  • Scalability - all backend services that power Bitfinex platform must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. A good example are the renown Bitfinex API, the most solid, low-latency and complete in our industry.

  • Security - Bitfinex makes Security its most important feature. The Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order to protect the safety of the entire user base.

  • Exceptional Node/JavaScript skills
  • Familiar with microservices architecture

  • Have actively participated in the development of a complex platform

  • Good experience in interacting with databases (MySQL, MongoDB)

  • Ability to quickly learn new technologies

  • Good understanding of security practices

Nice to have

  • Experience with blockchain integration

  • Comfortable with high-availability concepts

  • Ruby, Rust or C++ skills are a plus

  • Other technologies of interest: Message queues (Redis), Caches and Job Queues

Apply Now:

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Parity Technologies ENG London, England, United Kingdom
About Us Parity is one of the world's most experienced core blockchain infrastructure companies, laying the foundation for the new decentralised internet. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper. We believe in a decentralised web that respects the freedom and data of individuals and empowers developers to create better services. Our vision is to create a world based on truthful, rather than trustful, interactions. With a remote-first, global team, Parity is building open-source technologies for developers and organisations to implement and build upon. Our Web3 tech stack includes Polkadot, Substrate, and Kusama. People in Our Collective Are Highly motivated to contribute to Parity’s mission and be part of

About Us

Parity is one of the world's most experienced core blockchain infrastructure companies, laying the foundation for the new decentralised internet. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper.

We believe in a decentralised web that respects the freedom and data of individuals and empowers developers to create better services. Our vision is to create a world based on truthful, rather than trustful, interactions.

With a remote-first, global team, Parity is building open-source technologies for developers and organisations to implement and build upon. Our Web3 tech stack includes Polkadot, Substrate, and Kusama.

People in Our Collective Are

  • Highly motivated to contribute to Parity’s mission and be part of something bigger
  • Excited to work on projects that are groundbreaking and complex
  • Autonomous workers that self-initiate, but also collaborate well with others
  • Taking maximum accountability and having minimum ego at work
  • Comfortable with chaos and adapting to the ever-changing Web3 space
  • Continuously educating themselves about Parity and the wider ecosystem

About the Team

The Parachains Core team is responsible for designing, building, and maintaining the core technology of the Polkadot blockchain. The team's responsibility is focused on the implementation of parachain consensus in the Polkadot Node and Runtime. Our mission is to continuously push the boundaries of what is possible in terms of security, scalability and decentralization of blockchain networks. We embody the open source culture by building, sharing ideas, and taking feedback openly on Github: https://github.com/paritytech/polkadot-sdk

About the Position

  • Design, implement, and maintain cutting edge protocols that are foundational to the security, scalability and adoption of Polkadot
  • Contribute to projects focused on improving performance (latency, single shard performance) or lowering the entry barrier to the Polkadot ecosystem
  • Debug and root cause complex issues in distributed systems (scalability, performance regressions and generally bugs that surface at scale)
  • Build test suites that ensure the functionality and performance of multiple components working together in a “microservice like” architecture
  • You will work fully remotely with a remote team of ~10 engineers based in Europe.

About You

  • 3+ years of experience as a Software Engineer
  • Hands on experience with implementing and maintaining distributed systems
  • Hands on experience with performance engineering and optimizations
  • Knowledge of software engineering best practices
  • Collaborate with others in an open-source culture, open to feedback with a critical mindset
  • Ability to solve complex problems over longer periods of time
  • Ownership and accountability for your work in the long term
  • Drive projects to completion incrementally by establishing clear milestones

About Working for Us

  • Competitive remuneration packages based on iterative market research, including tokens (where legally possible)
  • “Future of work” environment that’s remote-first and self-initiating with flexible hours
  • Team mates that are genuinely excited about their impact and projects
  • Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job
  • Becoming part of the wider ecosystem (career and networking opportunities)
  • Team and company-wide retreats
  • Work laptop

Those joining our collective as an employee in Germany, Portugal, and the UK, also enjoy benefits such as healthcare, parental leave, PTO (28 days per year) and local team events.

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data.

Is this position not quite your match? Browse our other open roles.

Apply Now:

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