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Nethermind Remote
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. Are you the one? Starknet is the fastest-growing network in terms of new developers

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Are you the one?

Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?

Responsibilities:

  • Lead and manage the software development team maintaining ecosystem components and applications in the blockchain space.
  • Collaborate with Product Owner and Project Manager to drive a vision of how products add value and evolve in alignment with company strategy and goals.
    • Drive the adoption of best practices in coding, testing, and maintenance to ensure quality and scalability.
  • Oversee the design, development, and implementation of new software programs and updates.
  • Foster a culture of creativity and innovation within the team.
  • Mentor and develop team members, identifying strengths and areas for growth.
  • Ensure the optimization of development processes for efficiency and effectiveness.
  • Stay abreast of emerging technologies and industry trends to maintain a competitive edge.

Skills:

  • Track record of leading complex software projects with large transaction loads and/or large user bases
  • An understanding of good software architecture
  • Ability to implement efficient algorithms and design complex data structures
  • Excellent programming skills, Go or Rust preferred but will also consider other tech stacks (e.g. Java, C++)
  • Ability to write clean, testable, and maintainable code without over-engineering
  • An entrepreneurial nature, willing to take ownership and run toward problems
  • Pragmatic experience in various software development methodologies
  • Understanding of DevOps principles, experience working in CI/CD-enabled environments
  • Strong computer science background
  • A fascination with the inner working of blockchains

Nice to have:

  • SDK evolution and maintenance - with focus on providing best in class Developer Experience
  • Blockchain / EVM / TransactionPool / JSON RPC
  • Complex data structures for example Patricia-Merkle/Verkle tries
  • NoSQL Key Values databases for example RocksDB

Keep up to date on what we are working on by following us on our social channels:

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Rank Remote
Rank (rank.trading) About Us: Rank is revolutionizing DeFi by democratizing algorithmic trading strategies. Our platform enables users to create and deploy custom trading algorithms without coding knowledge, while other users can invest in these strategies based on global performance rankings. Think of it as a decentralized marketplace for algorithmic trading strategies, where successful creators operate like digital hedge fund managers. Role Overview: We're seeking a Junior Developer with expertise in connecting smart contracts to frontend applications. The ideal candidate will bridge the gap between our blockchain infrastructure and user interface, ensuring seamless integration of DeFi trading strategies. Key Responsibilities: Integrate smart contracts with our existing frontend codebase

Rank (rank.trading)

About Us:
Rank is revolutionizing DeFi by democratizing algorithmic trading strategies. Our platform enables users to create and deploy custom trading algorithms without coding knowledge, while other users can invest in these strategies based on global performance rankings. Think of it as a decentralized marketplace for algorithmic trading strategies, where successful creators operate like digital hedge fund managers.
Role Overview:
We're seeking a Junior Developer with expertise in connecting smart contracts to frontend applications. The ideal candidate will bridge the gap between our blockchain infrastructure and user interface, ensuring seamless integration of DeFi trading strategies.
Key Responsibilities:

  • Integrate smart contracts with our existing frontend codebase
  • Develop and maintain REST APIs to support platform functionality
  • Collaborate with our blockchain and frontend teams to implement new features
  • Optimize dApp performance and user experience
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews and technical discussions

Required Skills & Experience:

  • Proven experience with Web3 libraries (wagmi and/or web3.js)
  • Strong proficiency in Next.js, specifically with the App Router
  • Experience building and maintaining REST APIs
  • Solid understanding of blockchain technology and DeFi concepts
  • Familiarity with TypeScript and React
  • Ability to work independently and problem-solve effectively

Bonus Qualifications:

  • C++ programming experience
  • Experience with DeFi protocols and smart contracts
  • Contributions to open-source projects
  • Knowledge of trading algorithms or financial markets

What We Offer:

  • Competitive base salary
  • Opportunity for token-based compensation
  • Work with cutting-edge blockchain technology
  • Remote-friendly environment
  • Career growth opportunities in a rapidly expanding DeFi project

Requirements:

  • Must be available during Central European Time (CET) working hours
  • Strong English communication skills
  • Reliable internet connection for remote collaboration

How to Apply:
Please send your TG handle, resume, GitHub profile, and any relevant project examples to email. Include "Junior Smart Contract Developer - [Your Name]" in the subject line.
Rank is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Apply Now:

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Nimbus Remote
The Role: The Nimbus team is looking for a Senior Engineer who will take ownership of Developer Experience. Someone who enjoys researching new technologies and building products for the decentralized web while being amid Open Source Libraries and P2P networks. This means writing cool products in Nim for Ethereum and Web3, crafting documentation and SDKs, plus representing the team at developer conferences and online events. Nimbus is a research team that focuses on developing an Ethereum client and library. We believe that the largest deployment of Ethereum will potentially be on embedded systems and Nimbus is designed to perform well on embedded, mobile and generally resource-restricted devices. Building the stack from the ground up, we’re translating the latest Ethereum research into practical, performant and reusable libraries to provide fertile exploration ground for further R&D. Check our latest update

The Role:

The Nimbus team is looking for a Senior Engineer who will take ownership of Developer Experience. Someone who enjoys researching new technologies and building products for the decentralized web while being amid Open Source Libraries and P2P networks. This means writing cool products in Nim for Ethereum and Web3, crafting documentation and SDKs, plus representing the team at developer conferences and online events.

Nimbus is a research team that focuses on developing an Ethereum client and library. We believe that the largest deployment of Ethereum will potentially be on embedded systems and Nimbus is designed to perform well on embedded, mobile and generally resource-restricted devices.

Building the stack from the ground up, we’re translating the latest Ethereum research into practical, performant and reusable libraries to provide fertile exploration ground for further R&D. Check our latest update!

Responsibilities:

  • Lead the effort to create a powerful developer experience around Nimbus, both as a library and as an RPC backend.
  • Respond to community needs & requests, transforming them into concrete specifications and products or features.
  • Be the face of our developer community, represent Nimbus at conferences and online events.
  • Create powerful documentation and SDKs.
  • Support evangelizing Nimbus as the Ethereum consensus client for mobile devices and embedded systems within the Open Source community.

You will ideally have:

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role!]

  • Interest in open data, blockchain and decentralization.
  • 5+ years of professional experience in software engineering.
  • Experience with Rust or C/C++, and curiosity about dynamic languages.
  • Background in (embedded) systems programming, p2p technologies.
  • Familiarity with modern cryptography.
  • Experience with APIs, SDKs and crafting documentation.

Bonus points:

  • Experience working for an open-source organization.
  • Ideally, you’ll have some Nim/Rust/C++ related GitHub projects to make it easier for us to evaluate your skills.
  • Basic knowledge of the lexing, parsing and semantic checking passes applicable to a compiler.
  • Experience with Nim.

Hiring process:

  • Interview with our People Ops team.
  • Technical Interview with team members from the Nimbus team.
  • Technical Interview with the Nimbus Lead.

[The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline. We’re looking for you to join our team as soon as possible].

Compensation:

We are happy to pay in either 100% fiat or any mix of fiat and/or crypto.

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Arrakis Finance Remote
Description Arrakis aims to disrupt the current market-making industry by providing the infrastructure to enable every project in the world that wants to launch a token to benefit from non-custodial, trust-less, and automated on-chain market-making strategies. We believe in a world where every organisation, from a small startup to a large enterprise, will be tokenized and traded on-chain. For this world, Arrakis is building the tools to create the necessary liquidity to enable this token economy to rival and out-compete the traditional financial industry. As one of our Backend Developers within market making, you will be further contributing to the cutting edge development of Arrakis, working with a very experienced and high performing team to create the future of DeFi. What you will achieve: Creation of new on-chain trading strategies Monitoring, tuning and improving market making performance across cha

Description

Arrakis aims to disrupt the current market-making industry by providing the infrastructure to enable every project in the world that wants to launch a token to benefit from non-custodial, trust-less, and automated on-chain market-making strategies. We believe in a world where every organisation, from a small startup to a large enterprise, will be tokenized and traded on-chain. For this world, Arrakis is building the tools to create the necessary liquidity to enable this token economy to rival and out-compete the traditional financial industry.

As one of our Backend Developers within market making, you will be further contributing to the cutting edge development of Arrakis, working with a very experienced and high performing team to create the future of DeFi.

What you will achieve:

  • Creation of new on-chain trading strategies
  • Monitoring, tuning and improving market making performance across chains.
  • Develop backend infrastructure for our market making operations
  • Develop, refine and implement strategies and infrastructure for algorithmic liquidity provisioning for the major tokens of the industry

Requirements

  • Strong experience building and developing high frequency, ultra-low-latency applications
  • 3+ years of experience with C++ / Rust
  • Good understanding of the financial market, order books, market making, arbitrage and/or markets microstructure
  • A bachelor’s degree in computer science, maths, physics, or similar field
  • Experience working with SQL databases
  • Experience with Google Cloud / AWS
  • Experience working with containers such as Docker / Kubernetes
  • Awareness of security principles for critical finance applications, both on and off-chain.

Nice to have:

  • Previous automated market making experience and experience with Uniswap
  • Experience building your own trading bot
  • CEX / DEX arbitrage experience
  • Experience dealing with low level networking advantageous (TCP/IP, UDP, networking in the cloud, packet decoding, latency)
  • Passionate about contributing / researching cutting edge DeFi technologies.
  • Ability to know/understand smart contract code

Benefits

Join an amazing team of industry veterans focused on revolutionising web3 market making, collaborating with major projects like MakerDAO, Uniswap, Aave, Lido, operating fully remotely with members spanning Zug, Paris, New York, Berlin, London supported by world-class investors including Uniswap Labs, Robot Ventures, Accel, Longhash, and more.

What we offer:

  • Competitive salary + performance-based compensation
  • SPICE token package
  • Work remotely or with the Founders in person, in Switzerland
  • Chance to travel the world to go to exciting events, connecting with key industry players
  • Join amazing in-person offsites all over the world
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Flow Traders Remote
Flow Traders is looking for an experienced C++ Developer to join our growing Technology team in Amsterdam. The ideal candidate is driven, innovative and passionate about working with the latest technologies. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business At Flow Traders you will work on developing low-latency systems that are used to trade different asset classes (including equities, derivatives, cryptocurrencies) at many venues around the world. We are looking for motivated software engineers that can take ownership of the full software development life cycle. You will work closely with product owners and traders to gather, discuss and clarify requirements; collaborate with quality assurance engineers to define acceptance criteria and take responsibility for testing and ensuring quality of your implementations; and deploy production and work together with oper

Flow Traders is looking for an experienced C++ Developer to join our growing Technology team in Amsterdam. The ideal candidate is driven, innovative and passionate about working with the latest technologies. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business

At Flow Traders you will work on developing low-latency systems that are used to trade different asset classes (including equities, derivatives, cryptocurrencies) at many venues around the world. We are looking for motivated software engineers that can take ownership of the full software development life cycle. You will work closely with product owners and traders to gather, discuss and clarify requirements; collaborate with quality assurance engineers to define acceptance criteria and take responsibility for testing and ensuring quality of your implementations; and deploy production and work together with operations engineers and traders to perform post-deployment support and validation.

Some of the technologies we use in the development process

We do not expect previous experience with all the items listed below.

  • C++ (Standard in use: C++17. Migrating to C++20 )
  • Compilers: gcc 10 / clang 13
  • Python
  • Build system: CMake
  • Version control: Git
  • Testing frameworks: Google Test, Pytest, and Nosetest
  • Version control/code review system: Bitbucket
  • Operating system: Debian Linux
  • Continuous integration system: Bamboo
  • Deployment automation: Ansible

What You Will Do

Main technical activities include:

  • Exchange Connectivity: Your primarily responsibility will be writing software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as TCP, UDP, Websocket. The quality of software is ensured thanks to a set of testing suites, which you are expected to use, maintain and extend.
  • Trading Strategies: Your main responsibility will be to implement trading algorithms based on requirements provided by traders. You will acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation.

What You Need to Succeed

  • 6+ years of experience with C++
  • Good knowledge of data structures and algorithms
  • Cryptocurrency/Blockchain familiarity is a plus
  • Understanding of full software development life cycle
  • Ability to write clean and simple code
  • Relevant experience with unit and regression testing
  • Knowledgeable about computer architecture and memory subsystem
  • Experience with some Linux distribution
  • Good interpersonal and team playing skills
  • Able to communicate with stakeholders with different backgrounds

Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed the sole property of Flow Traders, and no placement fee will be paid in the event the candidate is hired by Flow Traders.

Apply Now:

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