Protocol Engineer Job at Chainway Labs

Sr. Protocol Engineer, Product

We’re looking for an experienced protocol engineer to join our Trade team, build...

Location

United States

Salary:

200000.00 - 300000.00 USD / Year

Zora

Expiration Date

Until further notice

Requirements

4+ years of experience shipping production-level contracts or protocol features
Experience with DeFi protocols
Deep understanding of EVM
Familiarity with Git, Foundry, Hardhat and modern solidity toolchains
Experience with formal/invariant thinking, MEV considerations, upgrade safety, and incident response
Comfort moving across the stack when needed (TypeScript / React / Next / Python)
High degree of ownership and autonomy
Strong communication and collaboration skills, across both technical and non-technical teams

Job Responsibility

Contribute to the Zora protocol by designing and implementing smart contracts
Handle maintenance, security review, and full protocol lifecycle
Write adversarial tests (fuzzing, invariant/property-based testing) and maintain a security-first mindset in development and review
Partner with auditors and respond to findings
drive fixes through deployment
Participate in RFC and code review process with a security and reusability mindset
Collaborate across engineering teams to integrate smart contracts across the stack
Communicate status, updates, blockers, etc., to cross-functional stakeholders

What we offer

Remote-First Culture: Work from anywhere in the world!
Competitive Compensation: Including salary, pre-IPO stock options, token compensation, and additional financial incentives
Comprehensive Benefits: Robust healthcare options, including fully covered medical, dental, and vision for employees
Retirement Contributions: Up to 4% employer match on your 401(k) contributions
Health & Wellness: Free memberships to One Medical, Teladoc, and Health Advocate
Unlimited Time Off: Flexible vacation policies, company holidays, and recharge weeks to prioritize wellness
Home Office Reimbursement: To cover home office items, monthly home internet, and monthly cell phone (if applicable)
Ease of Life Reimbursement: To cover everything from an Uber home in the rain, childcare, or meal delivery
Career Development: Access to mentorship, training, and opportunities to grow your career
Inclusive Environment: A culture dedicated to diversity, equity, inclusion, and belonging

Fulltime

Senior Protocol Engineer

We're seeking a Senior Protocol Engineer to join the Protocol team. You’ll play ...

Location

United States

Salary:

200000.00 - 230000.00 USD / Year

Magic

Expiration Date

Until further notice

Requirements

5+ years as a Full‑Stack Engineer or equivalent experience, with a focus on: Protocol: Production-grade Rust services (5+ years)
EVM: Solidity (2+ years)
Proven track record at scale - building high‑traffic, low‑latency systems (e.g., handling tens of millions of user requests)
Strong proficiency with blockchain fundamentals (EVM – i.e memory/storage, gas model), and understanding of core EIPs on EVM
Strong system design skills for efficiency and scalability of the system
Experience of working on building blockchain protocols (L1, L2s, bridges, oracle networks, relayers, bundlers, solvers, etc.)
Strong understanding of security best practices both in Rust based systems and Solidity contracts
Excellent communication, mentorship, and autonomous execution at a senior engineering level
Proficiency with AI coding tools (Copilot, Cursor, Claude code, etc.)

Job Responsibility

Architect and implement protocol features end-to-end. From building protocol level features in Rust to developing middleware contracts in Solidity
Build, optimize, and scale services and contracts
Work closely with product and security teams (internal + external) to ensure our systems and contracts meet our security standards
Lead and collaborate as appropriate with other engineers, drive code reviews, set best practices for maintainable, scalable architecture

What we offer

Remote-first culture with flexible working hours
Stock options and token grants
99% company-paid medical*, dental and vision insurance
100% company-paid life and disability insurance
401(k) plan (US) or pension plan (CAN)
$3,600 annual reimbursement for remote work, wellness, and professional development
Flexible time off
Up to 12 weeks of paid parental leave

Fulltime

Senior Protocol Engineer

Chainway Labs is seeking a Senior Protocol Engineer to join our team at Citrea, ...

Location

Salary:

Not provided

Chainway Labs

Expiration Date

Until further notice

Requirements

A minimum of 5 years of hands-on experience in protocol development
Proficiency in Rust
Exceptional communication skills in English, both written and spoken
An aptitude for quick thinking, problem-solving, and clearly and effectively expressing solutions
'That Guy' or 'That Gal' Mindset: We value individuals who exhibit a proactive approach to tasks and challenges, fearlessly conquering any obstacles in their path

Job Responsibility

Design, develop, and maintain cryptographic protocols for Citrea’s rollup and bridge architecture
Collaborate with engineering and product teams to ensure seamless protocol integration
Build and optimize core bridge components such as state proof generation, verifier binaries, and signature collection
Ensure scalability, security, and performance across the bridge and rollup infrastructure
Lead testing efforts to validate protocol correctness and bridge reliability

What we offer

Competitive compensation package, including equity options
Remote work setting
Engaging community activities that foster team bonding and collaboration
A welcoming atmosphere where every team member's opinion is valued
A dynamic team environment filled with bright, young, and dedicated colleagues, offering an enriching collaborative experience

Fulltime

Site Engineer

We are currently looking for a Site Engineer to join our M-Renewables team in on...

Location

Greece , Kilkis

Salary:

Not provided

Metlen Group

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Electrical or Mechanical Engineering
1+ years of experience in site engineering will be considered an asset
Strong knowledge of construction processes, materials, and regulations
Excellent communication and interpersonal skills
Proficiency in relevant software and Microsoft Office Suite

Job Responsibility

Oversee on-site construction activities and ensure compliance with project specifications
Coordinate with project managers, architects, and subcontractors to meet project milestones
Conduct regular site inspections to monitor progress and maintain quality standards
Prepare and maintain project documentation, including reports and schedules
Implement safety protocols and promote a safe working environment on-site

What we offer

Competitive remuneration package
Ticket Restaurant Card
Group Health Insurance Plan
Preferential household electricity plan
Pension Plan

Quality Assurance QA Engineer

Set and maintain quality standards for company products through the use of syste...

Location

United States , San Jose

Salary:

101900.00 - 234500.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Information Systems, or equivalent
5+ years experience in networking domain
5+ years In-depth knowledge of 802.11 protocol standards
5+ years of Hands-on experience with wireless access point validation
Strong understanding of routing and switching concepts (VLAN, DHCP, DNS, NAT)
5+ years experience validating IEEE802.1x using Freeradius or similar RADIUS servers
Proficiency in 802.11r/k/v protocols
Skilled in wireless packet capture analysis and troubleshooting
Strong problem-solving skills in fast-paced, technical environments
Scripting experience in Python.

Job Responsibility

Build and maintain system testbeds using Access Points, networking devices, and servers
Perform QA validation of 802.11 wireless standards and proprietary features
Conduct end-to-end validation of client-to-cloud architecture
Recreate customer-reported issues in lab environments and collaborate with global engineering teams to drive resolution
Execute performance testing using tools like iPerf, ixChariot, etc.
Partner with the Customer Support (CS) team to review defect reports and enhance test coverage
Log and track bugs in Jira, ensuring timely follow-up and resolution
Escalate critical issues promptly to relevant stakeholders
Create and maintain technical documentation in Confluence for CS and QA teams
Mentor and train Level 1/2 Engineers on emerging wireless technologies.

What we offer

Health and wellbeing benefits
Personal and professional development programs
Inclusive work culture.

Fulltime

Engineering Lead Analyst

The Engineering Lead Analyst is a pivotal senior-level role focused on developin...

Location

United States , Irving

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

6+ years of relevant experience in an Engineering role, with a proven track record in complex, large-scale enterprise environments
Demonstrated experience working within Financial Services or a similarly regulated, large, complex, and global environment
Minimum 3+ years of hands-on experience with Sendmail, including configuration, troubleshooting, and performance tuning
Minimum 3+ years of practical experience with Proofpoint POD, including policy management, incident response, and optimization
Profound understanding of the SMTP Protocol and its intricacies
Proven project management skills with the ability to lead and contribute to multiple initiatives simultaneously
Clear, concise, and impactful written and verbal communication skills
Exceptional analytic and diagnostic skills
Strong ability to work in a matrix environment, partnering across diverse geographical locations
Highly capable of working independently, managing multiple tasks

Job Responsibility

Serve as a technology subject matter expert and strategic advisor
Contribute to creating and evolving the technology domain roadmap for enterprise messaging
Ensure seamless integration of new functionalities
Define and drive system enhancements
Lead root cause analysis to implement long-term solutions
Enhance malware defenses and optimize message delivery performance
Resolve complex delivery issues
Manage global email environment and archive flow
Improve the email encryption platform
Mentor junior team members

What we offer

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages including vacation, sick leave, and paid holidays
Discretionary and formulaic incentive and retention awards.

Fulltime

OT Network Engineer

A hybrid OT engineering opportunity where you can fully own your work, manage yo...

Location

Australia

Salary:

Not provided

Madison Group Enterprises

Expiration Date

Until further notice

Requirements

CCNA (current)
Demonstrated experience as an OT Engineer or similar, with hands-on delivery in industries such as mining, oil & gas, utilities, energy or construction
Strong knowledge of: Networking fundamentals & design
Industrial protocols
Operational technology hardware and communication systems
Experience supporting, configuring, testing and troubleshooting industrial network equipment
Ability to articulate technical concepts clearly to customers, colleagues and non-technical stakeholders
And the capability to present and engage with our customers in a public setting

Job Responsibility

Work across the entire solution journey, from understanding a client’s operational requirements, to designing fit-for-purpose industrial network solutions and supporting them through to successful implementation
Split time between technical pre-sales, solution design and architecture, and post-sales technical support
Occasionally head out to the field to see solutions in action, run tests, or support implementation
Collaborate closely with our Solutions Engineer Team Lead
Experiment in our tech lab, test integrations, build demos, experiment, break things (professionally), and develop new skills
Deliver a training session, run a lunch and learn, help out at a trade show, build slick demo kits, or even jump into creating our playful tech content
Occasional travel for projects or events

Fulltime

Software QA Engineer

SW QA Engr 3 role at Aruba (HPE Company), a leading provider of next-generation ...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor's degree in computer science, engineering, information systems, or closely related quantitative discipline
Master's desirable
Typically 6-8 years' experience
Strong Test Planning and strategizing experience
Hands on experience on testing Networking L2/L3 Protocols and features
Strong programming skills in Python, Cypress
Good understanding of distributed systems, event-driven programming paradigms, and designing for scale and performance
Experience with cloud-native applications, developer tools, managed services, and next-generation databases
Knowledge of DevOps practices like CI/CD, infrastructure as code, containerization, and orchestration using Kubernetes
Good written and verbal communication skills and agile in a changing environment

Job Responsibility

Analyses the feature specifications and determines the required coding, testing, and integration activities
Designs and develops moderate to complex cloud application modules per feature specifications adhering to security policies
Identifies debugs and creates solutions for issues with code and integration into application architecture
Develops and executes comprehensive test plans for features adhering to performance, scale, usability, and security requirements
Deploy cloud-based systems and applications code using continuous integration/deployment (CI/CD) pipelines to automate cloud applications' management, scaling, and deployment
Contributes towards innovation and integration of new technologies into projects
Analyzes science, engineering, business, and other data processing problems to develop and implement solutions to complex application problems, system administration issues, or network concerns

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

Protocol Engineer

Chainway Labs

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 07, 2025

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Job Description:

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Nice to have:

Additional Information:

Job Posted:December 07, 2025

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Job Posted:
December 07, 2025