Senior Solidity Engineer

Blocify; United States; Hybrid; USD 99,000 - 143,000; Full time

Benefits offered by this job

Profit sharing

Remote work (CET ±2h)

Office desk allowance

Learning budgets

In-person gatherings

Job summary

Blocify is seeking a lead smart-contract engineer to own architecture and delivery for client blockchain launches. The role combines hands-on Solidity engineering with security-minded design and contributions to shared engineering standards and team development.

You will deliver end-to-end client engagements within a small, dedicated team, participate in technical reviews, mentor colleagues, and clearly communicate technical decisions in writing.

Qualifications

• Shipping work in engineering discipline required.
• Ability to own unclear requirements and define practical paths.
• Strong written communication in a documentation-heavy environment.
• EU work authorization or eligibility to obtain it.

Responsibilities

• Deliver an assigned part of a client engagement end to end, clarifying requirements and shaping the work brief.
• Build and contribute within a small, dedicated team.
• Participate in technical reviews and help improve internal tools and standards.
• Mentor less experienced colleagues and contribute to discipline-specific interviews.
• Communicate decisions and technical reasoning clearly in writing.

Skills

Solidity

Smart-contracts

Ownership

Written communication

Security-minded design

Tools

Foundry

Job description

Role overview

Lead smart-contract architecture and delivery for client blockchain launches, taking ownership of a defined engagement area from initial problem framing through implementation. The role combines hands-on Solidity engineering with security-conscious design and contributions to shared engineering standards and team development.

Responsibilities

• Deliver an assigned part of a client engagement end to end, including clarifying ambiguous requirements and shaping the work brief.
• Build and contribute within a small, dedicated team.
• Participate in technical reviews, develop shared standards and help improve internal tools.
• Mentor less experienced colleagues and contribute to discipline-specific interviews.
• Communicate decisions and technical reasoning clearly in writing.

Requirements

• Demonstrated record of shipping work in the relevant engineering discipline.
• Ability to take ownership when requirements are unclear and define a practical path forward.
• Strong written communication skills for a work environment where many decisions are documented.
• EU work authorization or eligibility to obtain it.

Nice to have

• Smart-contract architecture experience for mainnet launches.
• A Foundry-first development approach and an audit-minded engineering practice.
• Comfort using assembly when appropriate.

Benefits and work setup

• Full-time position, based in The Hague or Prishtina, or remote within CET ±2 hours.
• EUR salary reviewed twice yearly, with annual profit sharing.
• Desk at either office or a co-working stipend for remote workers.
• Two fully covered company-wide in-person gatherings each year.
• Hardware, learning, certification and conference budgets.
• At least 28 days of paid time off, plus public holidays.
• Quarterly growth-plan reviews with a practice lead.