Senior Solidity Engineer

Crypto Street; Berlin; Hybrid; EUR 107,000 - 160,000; Full time

Job summary

Atlas Labs in Berlin (DE) / Remote - EU is seeking a Senior Solidity Engineer to design and implement production smart contracts powering our liquidity and execution stack.

You will collaborate with product, quant research, and backend teams to translate trading requirements into robust protocol logic, balancing performance with security hardening and maintainability.

Qualifications

• 4+ years of software engineering experience.
• 2+ years of production Solidity experience.
• Strong understanding of EVM internals and gas optimization.
• Experience shipping audited smart contracts at scale.

Responsibilities

• Design and ship secure contracts for vaults, routing, and risk modules.
• Lead architecture reviews and threat-modeling sessions before each release.
• Improve testing infrastructure with invariant and fuzz testing.
• Partner with external auditors and resolve findings quickly.
• Mentor mid-level engineers and raise quality bar across repos.

Skills

Software engineering

Solidity

EVM understanding

Audited contracts

Job description

Atlas Labs builds market infrastructure for decentralized finance. Our products are used by trading teams, treasuries, and builders who need secure, low-latency execution across multiple onchain venues.

Our culture

We are a high-ownership team focused on clear communication and deep technical craft. We care about thoughtful shipping, peer feedback, and building systems that survive volatile market conditions.

About the role

As a Senior Solidity Engineer, you will design and implement production smart contracts that power our liquidity and execution stack.

You will collaborate closely with product, quant research, and backend teams to translate trading requirements into robust protocol logic.

This role is ideal for engineers who enjoy balancing performance with security hardening and maintainability.

How you can make an impact

• Design and ship secure contracts for vaults, routing, and risk modules
• Lead architecture reviews and threat-modeling sessions before each release
• Improve testing infrastructure with invariant and fuzz testing
• Partner with external auditors and resolve findings quickly
• Mentor mid-level engineers and raise quality bar across repos

Let's connect if you have

• 4+ years of software engineering experience
• 2+ years of production Solidity experience
• Strong understanding of EVM internals and gas optimization
• Experience shipping audited smart contracts at scale

Location

Berlin (DE) / Remote - EU

Job type

Full-Time

Role

Compensation

$120k - $180k

Keywords

DeFi, Solidity, Smart Contracts, Security, Web3