Senior Backend Engineer

We’re looking for a skilled Senior Backend Engineer to design, build, and scale critical infrastructure for a product serving hundreds of thousands of users. You'll be part of a cross-functional product team and will collaborate closely with client engineers to develop robust APIs, scalable systems, and seamless backend solutions that directly enhance user experiences.

What you will do

• Write well-structured, and efficient code contributing to the development of new services and features.
• Identify bottlenecks and optimize existing infrastructure.
• Shape the direction of the platform and the product, making architectural decisions and driving innovation and improvement.
• Participate in the planning of technical tasks and code reviews.
• Be an integral part of a dynamic team, willing to take the initiative and contribute to the continuous improvement and growth of the Zerion platform.
• Work as part of an autonomous cross-functional team, and collaborate closely with frontend and mobile engineers on product development.

What we are looking for

• 5+ years of experience in designing & building distributed backend systems.
• Solid knowledge of basic algorithms, data structures, and design patterns.
• Familiarity with Blockchain systems, dApps, and smart contracts.
• Willingness to work in a fast-paced startup environment.
• Desire to take an active part in our product evolution.

You're likely to succeed if you have

• Excellent knowledge of Golang.
• Experience with containerized systems: Docker & Kubernetes.
• Experience with SQL / NoSQL databases: Postgres, MongoDB, Cassandra.
• Experience with monitoring tools: Sentry, Prometheus, and Grafana.
• Experience with AWS (Amazon Web Services).
• Experience with Python3.
• Experience working in a startup environment, that encourages trust and autonomy.

Bonus Points

• You are an active Web3 user.
• You have worked with time-series data and specialized databases: ClickHouse, TimescaleDB, etc.
• You have pet projects, blog articles and/or open-source contributions.
• You have participated in the industry conferences.

Interview Process

• Screening Call (30 minutes): A brief conversation to discuss your expectations, motivation and interest in the role.
• Hiring Manager Call (45 minutes): A deeper discussion with the hiring manager to assess your fit for the position and the team.
• Coding Interview (60 minutes): A technical assessment to evaluate your problem-solving and coding skills.
• Systems Design Interview (90 minutes): A technical interview focusing on your ability to design and architect systems.
• Team Interview (60 minutes): Meet key team members and assess how the candidate’s values, perspectives, and work style can enrich the team and contribute to its dynamic.
• Founders Interview (60 minutes): A discussion with the founders to align on values, vision, and cultural fit.
• Reference Check: Verifying your professional background through feedback from your previous colleagues and managers.

Why You Should Join

Company Overview

We’re experiencing phenomenal growth, with key metrics showing remarkable year-over-year progress compared to 2023:

Daily Active Users (DAW): Increased by 1.6x

Number of Transactions: Surged by 5x

Transacting Wallets: Doubled (2x)

Total Fee Revenue: Tripled (3x)

API Performance

Our API is scaling rapidly, showcasing its critical role in the ecosystem:

3.3 billion requests processed in 2024

Achieved a steady monthly revenue 

Culture: Our culture shines through in our strong team engagement and impressive retention, showing just how much we value creating a workplace where people truly want to stay and thrive.

People: Collaborate with some of the most driven and intelligent individuals in the crypto space.

Salary & Benefits: Receive a competitive salary, medical insurance, coworking membership, and additional benefits.

Unlimited Days Off and Flexible Work Schedule: Recharge and explore life outside the office with our flexible time-off policy and work schedule.

Remote Work Essentials: We provide all the necessary software and equipment to ensure you're fully equipped to work from home comfortably and efficiently.

Stock Options: Contribute to Zerion's success and watch your stock options become valuable.

Relocation: We support relocation for you and your family.

Travel: Join your colleagues on trips to industry festivals and events.

Distributed Team: Zerion is a fully remote team with members worldwide. Embrace asynchronous collaboration, find your own work rhythm, and enjoy a healthy work-life balance.

To ALL recruitment agencies and individual recruiters: Zerion only accepts resumes from its partners, with whom Zerion has contractual relations. Zerion is not responsible for any fees or charges associated with unsolicited resumes.