Senior Solidity Engineer

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring an experienced Senior Solidity Engineer to support a large-scale financial technology program for a UAE-based client. You will work on smart contract development within a blockchain ecosystem that integrates enterprise financial systems with distributed ledger technology. This role requires strong Solidity expertise and a solid understanding of secure smart contract architecture in production environments. You will collaborate closely with backend engineers (Java), blockchain infrastructure teams, and cross-functional stakeholders to deliver secure and scalable solutions.

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring a Senior Protocol Engineer to contribute to the core infrastructure of a custom Layer-1 blockchain ecosystem supporting enterprise-grade financial systems.

You will work at the protocol layer, contributing to consensus mechanisms, node architecture, networking, and system-level performance. This role requires deep distributed systems expertise and hands-on experience working on blockchain infrastructure rather than application-layer smart contracts.

The ideal candidate is comfortable operating in performance-critical, security-sensitive environments and contributing to protocol evolution discussions.

Responsibilities

• Design and implement core blockchain protocol components
• Contribute to consensus performance, scalability, and reliability improvements
• Optimize node performance and system-level efficiency
• Work on P2P networking and state synchronization mechanisms
• Identify and mitigate protocol-level vulnerabilities
• Collaborate with smart contract, infrastructure, and backend teams
• Participate in architecture reviews and protocol evolution discussions

Requirements

**This position is contingent on contract award**

Come Join Our Team! First Division Consulting (FirstDiv) provides program management, acquisition, logistics, field service representative, explosive ordnance disposal, and personnel support services to Department of Defense and Federal Government Agencies. We are a Virgina Verified Service-Disabled Veteran-Owned Small Business and a Small Disadvantaged Business. If you are looking for a company who has an overall rating on Glassdoor of 4.8 and who puts their people first, then continue to read below and join the FirstDiv team!

First Division Consulting is looking for a highly skilled Cybersecurity Engineer III to lead engineering efforts across cybersecurity network lines — with a focus on supporting DoD C5ISR mission. The Sensing and Information Operations (SIO) IPT Engineering and Technical Support to Terrestrial/Human Intelligence Programs provide engineering and related technical activities such as cyber security, quality assurance, technical documentation development, configuration management and program management support services to the customer base within the Sensing and Information Operations (SIO) Integrated Product Team (IPT). This program provides small scale production efforts in support of prototyping and low-rate initial production systems which includes systems engineering for requirements, design, prototyping, and testing support.

Who we are:

Financeit is a point-of-sale financing provider serving some of the largest home improvement and retail organizations in Canada. 

Our platform helps businesses close more sales by offering customers affordable monthly payment options for their next big home improvement, vehicle or retail purchase. 

We are small enough that you can make an impact within the company and large enough to make an impact in the market.

Financeit is a company where collaboration, inclusivity, fairness, and respect aren’t just ideas that get talked about, but are part of who we are. If such a workplace intrigues you, we hope you’ll join us.

About the role:

The Director of Cybersecurity & Information Security will provide specialized expertise and guidance on assessing risks, monitoring risks, identifying potential gaps, and providing security solutions to mitigate risks and protect Financeit in Canada and in the US. The position actively interacts with business management, Legal and Compliance, Operations, Information Technology, other control functions, and regulators.  

This position will report to the Chief Compliance Officer.

What you’ll do:

Join Mercier Consultancy MD as a Digital Trust and Safety Analyst with Dutch in the beautiful country of Greece! This exciting opportunity allows you to work in a dynamic environment while ensuring that our digital platforms remain safe and reliable for users. Your expertise will be essential in monitoring, analyzing, and responding to safety-related issues across our online services.

Key Responsibilities

• Monitor user-generated content and engagements to identify potential risks and enforce community guidelines.
• Thoroughly investigate reports of safety concerns, employing analytical skills to evaluate incidents and recommend actions.
• Collaborate with cross-functional teams, including security and tech departments, to develop and implement effective safety policies and procedures.
• Prepare detailed reports and presentations on findings to inform stakeholders and enhance platform safety.
• Stay updated on digital safety trends and emerging threats to proactively address vulnerabilities.
• Engage with users and stakeholders to promote awareness and understanding of digital safety measures.

Requirements

Founding Solana Protocol Engineer Job Posting

Location: Remote - US/Europe/Latam/Dubai but must have 5hrs overlap with EST

Compensation: $150K - $200K

Join a pioneering team at the intersection of capital management and Decentralised Finance (DeFi). We are building the unified infrastructure layer that intelligently connects capital to the best risk-adjusted yield opportunities. Backed by premier crypto investors, this is a ground-floor opportunity to architect a foundational piece of the future financial ecosystem.

This is an opportunity for immense ownership, serving as the foundational engineer for a new, critical protocol on the Solana network. You will be responsible for designing, implementing, and taking full ownership of a core asset aggregation protocol from scratch. If you thrive on complex, ambiguous challenges and want to architect a fundamental piece of DeFi infrastructure, this role is for you.

Key Responsibilities:

**This position is contingent on contract award**

Come Join Our Team! First Division Consulting (FirstDiv) provides program management, acquisition, logistics, field service representative, explosive ordnance disposal, and personnel support services to Department of Defense and Federal Government Agencies. We are a Virgina Verified Service-Disabled Veteran-Owned Small Business and a Small Disadvantaged Business. If you are looking for a company who has an overall rating on Glassdoor of 4.8 and who puts their people first, then continue to read below and join the FirstDiv team!

First Division Consulting is looking for a highly skilled Cybersecurity Engineer III to lead engineering efforts across cybersecurity network lines — with a focus on supporting DoD C5ISR mission. The Sensing and Information Operations (SIO) IPT Engineering and Technical Support to Terrestrial/Human Intelligence Programs provide engineering and related technical activities such as cyber security, quality assurance, technical documentation development, configuration management and program management support services to the customer base within the Sensing and Information Operations (SIO) Integrated Product Team (IPT). This program provides small scale production efforts in support of prototyping and low-rate initial production systems which includes systems engineering for requirements, design, prototyping, and testing support.

Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA, US (On-site)

Employment Type: Full-time

Salary Range: $160K - $225K

We are a rapidly growing, Y-Combinator-backed (YC X25) startup operating at the intersection of AI and Cybersecurity. We are building fully autonomous, in-house AI agent systems designed to solve critical, large-scale problems in modern web application security. Join a small, high-impact founding team to define and build the core technology from the ground up.

We are seeking a skilled and passionate Founding Full Stack Software Engineer with a strong focus on backend development and AI systems. You will be responsible for designing, developing, and maintaining highly scalable, high-performance web applications and our cutting-edge AI Agent platform.

We are looking for a Senior DevSecOps who will help make our cloud infrastructure safe, stable, and automated. You will work together with the development, platform, and security teams to add security at every step of product creation.

This is a great chance to grow in security automation, improve processes, and bring modern DevSecOps practices into the company.

Requirements

Must-Have Skill

Quantitative Trading & Market Microstructure Specialist - High-Performance DEX

Location: Remote - Global (Preference for candidates based in: Lisbon, Portugal / UAE / Switzerland / Singapore / Hong Kong / Brazil / USA / UK / Spain / Canada / France / Germany / Greece)

Compensation: $180K - $220K

We are building a high-performance blockchain operating system that fundamentally redefines what's possible on Ethereum by prioritizing unparalleled throughput, decentralization, and security. We are now expanding the team for O2, a new, early-stage project: a next-generation decentralized exchange (DEX) running on our modular execution layer. Designed as a Central Limit Order Book (CLOB), our goal is to build the fastest DEX ever constructed, leveraging parallel execution to unlock high-frequency trading efficiency fully on-chain.

You will play a foundational role, leveraging your expertise in market making and quantitative trading to model, simulate, and optimize the market behavior of our core CLOB protocol. This is a highly hands-on role where you will design and test trading strategy logic, build simulation frameworks, and collaborate with engineering and research to inform critical protocol-level design decisions.

Key Responsibilities: