About

We’re building Omni: a platform allowing developers to deploy applications across all rollups without fragmenting liquidity. We’re looking for early team members to help us bring this ambitious vision to life.

We’re a team who already built a platform that processed over $70M leading to our $18M fundraise from top investors including Pantera, Two Sigma Ventures, Coinbase Ventures alongside angel investors including Stani Kulechov (founder of Aave), Sandeep Nailwal (cofounder of Polygon) and more. In addition to this we have over $4B deposited to secure Omni on mainnet.

We are growing rapidly and we need ambitious and experienced team members to join us to help scale Ethereum’s future.

About the role

We are seeking a Blockchain Site Reliability Engineer (SRE) to ensure the robustness and operational integrity of the Omni networks and blockchains around the clock. This role is crucial for maintaining the performance and reliability of our services as we scale.

Responsibilities

• Monitor and manage the Omni platform’s infrastructure and applications to ensure high availability.
• Implement automation tools for deployment, monitoring, and scaling within the cloud environment.
• Develop and maintain disaster recovery plans, including regular testing and updating procedures.
• Collaborate with development teams to enhance system reliability and performance.
• Respond to incidents, perform root cause analysis, and prevent recurrence.
• Manage on-call rotations for 24/7 incident response and resolution.
• Continuously improve system security postures and compliance protocols.
• Document system design and operational procedures.

Requirements

• 3-5+ years of experience in site reliability engineering or similar roles with a focus on 24/7 uptime.
• 1+ years of experience managing blockchain infrastructure: running full nodes, supporting public RPC endpoints, ensuring network security and monitoring network performance.
• Proficient with cloud services such as GCP, AWS or Azure.
• Experience with automation and scripting using tools like Terraform, Kubernetes and Ansible.
• Strong background in monitoring tools like Prometheus, Grafana, or similar.
• Ability to handle on-call responsibilities reliably and effectively.
• Bachelor’s or higher degree in Computer Science, Engineering, or related field.
• Location: Must be in the New York (EST) or Europe (CET) time zones.
• Overlap hours: Available daily from 9 AM to 12 PM EST for team collaboration.

Competencies

• Autonomous — specifically seeks to take greater ownership and responsibility and thrives in their personal growth by doing so
• Action oriented — we are looking for people who take action by default, consistently driving forward progress without asking for permission
• An engineer in both thought and implementation — they must be able to design architecture and see it through to implementation
• Adaptable — thrives in ambiguity, able to quickly iterate and push forward as the business dynamically expands
• Highly intelligent — learns quickly and can participate in abstract intellectually engaging conversations
• Effective communicator — clearly articulates ideas and engages in debates in a productive manner that leads us to making better decisions

Nice to Haves

• Experience building a system with a distributed consensus mechanism
• Solid understanding of the Ethereum Virtual Machine

Benefits

Our benefits include competitive compensation, token packages for all employees, regular team off-sites around the world and unlimited PTO. In addition, you’ll join a team of high-caliber people innovating at the frontier of crypto that work collaboratively to help one another accelerate their personal growth.

Values

We are a mission driven company. We believe deeply that through software engineering we can build a self-sovereign society. In our day to day, we make decisions based upon our company values and operating principles:

Company values

• Customer centricity
• Long-term orientation
• Courage

Operating principles

• High-trust & autonomy
• Kindness & respect
• Collaboration
• Humility & low-ego
• Transparency
• Data driven
• Precise communication
• Results oriented
• “Kerplunk”: clean handoffs and acknowledgement of ownership between team members

The future belongs to all of us, independent of our origins. Omni is an equal opportunity employer and does not discriminate on the basis of race, religion, color, sexual orientation, gender or any other status protected under federal, state or local law.

Department environment

We aim to achieve a balance between corporate culture and start-up culture, and at the same time be close to product solutions. Therefore, we divide our department into small self-sufficient teams that can make decisions on their own. This applies to all stages of product production: from conceptualisation to architecture, to build, to release, to iteration and support.

You'll do lots of research and develop your knowledge regarding cryptocurrency and blockchain including data processing, protocols integration etc. In addition to this, you'll be surrounded by friendly high-level specialists who are ready to share their knowledge.

The team is currently working on several major product changes that will improve client experience with cryptocurrency interaction like secure cryptocurrencies management or simplifying user flows when interacting with Decentralised Finance (DeFi) protocols.

Role Responsibilities

• Support and improve current services that handle over 50 blockchain protocols with more than 500 cryptocurrency assets.
• Research and building new blockchain integration and solutions, including blockchain data processing, cryptocurrency protocols integrations, DeFi integration, etc.
• Support and solve problems from clients and stakeholders.

Your experience, skills and knowledge

• Professional experience in building software with an OOP language: Scala, JS/TS (Node.js), Kotlin, Java, or Go.
• Familiarity with relational databases such as PostgreSQL.
• An understanding of the critical importance of unit tests, well-versed and able to build automated tests of server-side code.
• You’re professionally curious and willing to develop yourself as a multi-stack developer. You are ready that you should research and use technologies and programming languages that you didn’t face before.

Desirable

• Proficiency with containerisation and DevOps practices.
• Experience developing Smart Contracts.
• Familiarity with working on blockchain development (cryptocurrency wallets, blockchain data processing, DeFi etc).
• Experience in building and optimising systems for working with large amounts of data, both at the database level and interactions between services.
• Experience with Go.

Our core tech stack

For this position, you will predominantly work with Scala and Typescript.

• Software development languages: Scala, Javascript/Typescript (Node.js)
• Storage: PostgreSQL, Mongo DB, Clickhouse
• Backend Frameworks: Spring, Akka HTTP
• Frontend Frameworks: React, ElectronJs
• Interservice communication: RabbitMQ
• Architecture: Service-Oriented Architecture (SOA)
• Infrastructure: AWS, Terraform, Ansible, Docker, Mesos/Marathon container orchestration, Consul, Nginx, GoCD by ThoughtWorks CI/CD, Prometheus, Kibana, Grafana

The benefits offered

• Holidays: 27 days per annum paid holiday, in addition to bank holidays
• Seniority Days: One additional day of paid time off is awarded per year of service (up to three years)
• VitalityHealth
  • Medical Insurance: Copper provides all employees with individual cover. Medical history is disregarded, and a 24/7 virtual GP is available (£100 excess per person per year)
  • Dental Insurance: Comprehensive dental cover for preventative, restorative and emergency treatment
  • Audiology Cover: Employees can claim back up 80% of costs, up to £300, for any hearing tests or hearing aids
  • Optical Cover: £500 optical cover (through Vision Express) or 80% reimbursement up to £300 for any other optician
  • Menopause Support: Unlimited support for those experiencing symptoms of the menopause, such as video consultations with a dedicated menopause practitioner
  • Vitality services also include an additional £100 for minor diagnostic tests and private prescriptions, including home diagnostics.

• Pension up to 10% matched Contribution to our Company Pension Scheme via Smart Pensions
• Home Working Energy Support Scheme
• Cycle to Work
• Life Insurance cover: Four times your base salary
• EAP: access unlimited mental health consultations and contact a 24/7 confidential helpline for emotional support.
• ClassPass
• Unmind
• Sponsored Learning and Development opportunities
• Regular company events and social activities

In return for everything you can bring to Copper, we can offer you an exciting, challenging role in a fast-growing and dynamic business, with career opportunities and welcoming working environment.

If you think you have everything we're looking for and more, then we'd love you to apply for the opportunity.

Apply Now:

At Dash, our goal is to increase financial freedom and opportunities for everyone. We develop products that enable payments on the blockchain and make cryptocurrency accessible for consumers, merchants, businesses, and developers. We’ve designed a payments platform that puts user experience first, obscures the technical complexity underneath, and reinvents how cryptocurrency works in the future.

Dash is a cryptocurrency originally based on the Bitcoin blockchain, augmented with additional features focused on payments, and is one of the most recognized and accepted cryptocurrencies.

Dash Platform is a technology stack for building decentralized web3 applications on the Dash network with experience compared to the usual web. The two main architectural components, Drive and DAPI, allow developers to register identities and store application state on-chain using HTTP-based API.

Role

We are looking for a senior software developer responsible for the development and maintenance of Tenderdash (a fork of Tendermint), the BFT consensus engine of Dash Platform.

Responsibilities include:

• Implementing, testing, debugging, and improving multi-threaded, distributed asynchronous protocols.
• Profiling, managing, and analyzing metrics to optimize the performance of an L2 blockchain network.
• Identifying issues across various software components. As you get more familiar with our project, you may also contribute to other Dash Platform components, blockchain, and consensus libraries. You will collaborate with engineers and developers in the Dash Platform team to create new Open Source products in an Agile environment. This role presents an opportunity to work with an innovative cryptocurrency team and influence the way people interact with their money.

Responsibilities in details:

• Implement new features, maintain, improve, troubleshoot and document open-source Tenderdash consensus engine
• Contribute to the open-source development of Dash Platform components and libraries
• Discover and eliminate bugs, race conditions. Increase code test coverage
• Participate in the testing and deployment of new releases
• Contribute to developments and improvements of our continuous integration software
• Create benchmarks for various methods and work to increase performance in critical areas
• Strive to find ways to improve code quality
• Work with our technical writer to explain various functionality you will work on
• Apply creative solutions to eliminate limitations of cryptocurrency and provide improved user experiences

Required Qualifications

• 7+ years in software development
• 2+ years of production-level Go experience
• Good understanding of basic cryptography and data structures
• Practical experience with Docker and Docker Compose
• Practical experience with multi-threaded, distributed applications
• Knowledge or practical experience in peer-to-peer technologies
• Basic knowledge of blockchain technology
• Knowledge of functional and object-oriented design principlesExperience delivering high-quality code using integration and unit tests
• Ability to work remotely without constant supervision and be self-motivated
• Proficiency in the English language. You must be able to communicate with the team, both orally and in written form.
• Strong problem solving and critical thinking skills
• Attention to detail and a passion for software design
• Working hours overlap of at least 7AM UTC - 10AM UTC
• Available to help in case of critical emergencies (eg. chain halt)

Desired Qualifications

• Experience with Tendermint / CometBFT / Cosmos SDK (strongly desired)
• Experience building, monitoring and maintaining highly-available, high load production services
• End-user experience with metrics, logging and monitoring stack (Prometheus, Grafana, Elasticsearch, etc.)
• Good understanding of JSON, protocol buffers, REST and gRPC
• 3+ years of studies in Computer Science, Engineering, or related subjects at the university level
• Experience with blockchain technologies, especially within the field of cryptocurrency (strongly desired)
• Experience designing and implementing fault-tolerant, gracefully degrading software architecture Github Actions or similar CI/CD solutions
• Javascript / Typescript
• Understanding or interest to learn advanced cryptography
• Strong preference will be given to those candidates who provide evidence of their knowledge/ability via pull requests to any of our official Github repositories

Perks

• Contribute to technology at the forefront of the web
• Work with a company on a mission to have a positive impact
• Work on a fully remote team
• Work on a small, passionate team
• An entrepreneurial opportunity where you can have oversized impacts
• Opportunity to drive innovation and strategy
• Your work will be open source

Location / compensation

• Location can be anywhere – this is a 100% remote position
• Compensation will be at competitive rates and based on experience and location

Chorus One is one of the leading operators of infrastructure for Proof-of-Stake networks and decentralized protocols. Tens of thousands of retail customers and institutions are staking billions in assets through our infrastructure helping to secure protocols and earn rewards. Our mission is to increase freedom and speed of innovation through decentralized technologies.

We are a diverse team of 60+ people distributed all over the globe. We value radical transparency, striving for excellence and improvement while treating each other with kindness and generosity. If this sounds like you, we’d love to hear from you.

Role

As a Senior Software Engineer, you will be an integral part of our Ethereum software engineering team focusing on automation of validator infrastructure and building great staking products. OPUS is our product suite which offers a one-stop-shop product for staking Ethereum. For users, it offers a portal where users can stake and see their rewards, and check the status of their validators. On the backend, we have a platform that automatically launches, manages, and monitors these validators.

OPUS consists of a React/Next.js frontend and a backend written in Rust. It is backed by PostgreSQL and Hashicorp Vault, and runs mostly on Google Cloud, with some bandwidth-intensive parts running on bare metal.

Your main role will be to design, develop, and deploy software systems to advance our product as well as other staking services.

Responsibilities

1. Design and develop new features. Discuss with internal stakeholders to clarify how our next feature should look, discuss with fellow engineers how it should be implemented, and then drive implementation to completion.
2. Support and collaborate. Review and discuss engineering designs, review code, help fellow engineers, and mentor them on a technical level.
3. Innovation and continuous improvement. Seek to simplify, optimize, and secure our staking services and systems.

The “Senior” title on the job description is purely for describing the experience level of the hire we’re looking for. Our job titles don’t include hierarchical seniority systems and we use consensus for driving decisions.

Job requirements

What we are looking for

• +5 years experience as a Software Engineer
• Experience with developing smart contracts and understanding of the Ethereum ecosystem.
• Experience with testing, maintaining, launching software running in production
• Deep understanding of at least one compiled statically typed programming language (e.g. Rust, Go, Kotlin, C++, Haskell)
• Ability to design new software features based on given requirements with focus on simple and sound architectural design choices
• Experience writing reliable applications using SQL databases, preferably PostgreSQL
• Strong communication skills and ownership to drive new features independently.

Nice to have

• Experience building, deploying, operating, and monitoring software, and related tools such as Prometheus, Terraform, Ansible, Kubernetes and Vault.
• Basic familiarity with how blockchains work, and consensus algorithms such as pBFT.
• Candidates in European time zones (GMT+0 to GMT+3).

Our Offer

• Autonomy and ownership in a friendly and supportive work environment and the opportunity for rapid growth.
• Competitive fixed compensation (USD 100k - 140k commensurate with experience and equity options available)
• All-expense paid biannual team retreats at various destinations. Past retreats took place in Egypt, Serbia, Kenya, USA, South Korea, Thailand, Georgia, Dubai.
• Remote, but not alone. We are a strong global collaborative environment.
• Remote working budget (Laptop, co-working space, etc)
• Personal development budget
• Gather experience and build your network in the vibrant crypto ecosystem.
• Learn about state-of-the-art protocols that lay the foundation for an open, transparent, and programmable financial system.

Job Type: Full-time (Remote)