Backend Tech Lead

4 days ago

Limassol, Limassol, Cyprus CFI Financial Group Full time $120,000 - $200,000 per year

CFI Financial Group
is an award-winning global trading provider with more than 25 years of experience and multiple offices around the world including London, Larnaca, Beirut, Amman, Dubai, Kuwait, Port Louis, and more.

CFI is hiring
Make your mark in the fast-growing world of online trading and cryptocurrency.

Overview

We are seeking a
Backend Tech Lead – Crypto
to drive the design, development, and scalability of our blockchain and crypto-related backend systems. This role is ideal for a senior engineer with deep expertise in backend engineering and blockchain technologies who can lead a team, set technical direction, and deliver secure, high-performance solutions.

As Tech Lead, you will oversee the architecture and implementation of backend services that power cryptocurrency trading, custody, and settlement, while ensuring the highest standards of security, reliability, and scalability.

Responsibilities

Leadership & Collaboration

  • Lead and mentor backend engineers working on crypto and blockchain projects.
  • Define coding standards, best practices, and ensure technical excellence across the team.
  • Collaborate with product managers, frontend/mobile teams, and leadership to align backend systems with business needs.
  • Review designs, code, and architecture to ensure high quality and maintainability.

Backend Engineering

  • Design, build, and maintain APIs and microservices for crypto trading and settlement systems.
  • Optimize SQL/NoSQL database structures for scalability, performance, and reliability.
  • Implement robust authentication
    ,
    authorization
    ,
    and security practices across backend services.
  • Ensure systems are fault-tolerant, efficient, and meet compliance requirements.
  • Integrate with third-party services
    ,
    crypto exchanges, blockchain networks,
    and internal APIs
    .

Blockchain & Crypto Development

  • Lead the development, testing, and deployment of smart contracts (Solidity, Rust, Move, etc.).
  • Work with EVM-compatible chains (Ethereum, Polygon, BNB Chain) and emerging ecosystems (Solana, Cosmos, Polkadot, Layer 2 solutions).
  • Integrate backend systems with DeFi protocols, token standards (ERC-20, ERC-721, ERC-1155), and digital wallets.
  • Ensure gas efficiency and high transaction throughput in blockchain interactions.
  • Stay updated on protocol upgrades, consensus mechanisms, and blockchain security best practices.

Requirements:

Education/Experience: Bachelor's degree in Computer Science or equivalent experience.

Backend: Proficiency in Python. Strong understanding of REST APIs and database systems.

Mobile: Hands-on experience with Flutter development.

Tools & Infrastructure: Familiarity with Docker, Kubernetes, CI/CD pipelines, cloud platforms

(AWS).

Version Control & Collaboration: Strong Git workflow knowledge, agile methodology

experience.

Strong problem-solving skills, attention to detail, and ability to work in cross-functional teams.

Preferred Qualifications

Familiarity with design systems and component libraries.

Knowledge of DevOps and infrastructure as code.

Experience with performance monitoring and analytics tools.

Previous work in scaling applications to large user bases.

Previous experience in trading and financial fields

  • Tech Lead

    6 days ago

    Limassol, Limassol, Cyprus lapitopa Full time €40,000 - €80,000 per year

    We're looking for a Tech Lead (Unity / Fullstack) to take ownership of the technical side of Turbo Tank — our early-stage mobile game that we plan to evolve into a full-fledged strategy title and expand to iOS and web.RESPONSIBILITIESWe are looking for a hands-on leader — a "playing coach" who will combine technical management and team leadership with...

  • Tech Lead Game Backend C++

    6 days ago

    Limassol, Limassol, Cyprus Scorewarrior Full time €60,000 - €120,000 per year

    Scorewarrioris a game developer and publisher based in Limassol, Cyprus. The company focuses on the 4X strategy genre, with an ambitious goal to grow its hit game,Total Battle, to become the No.1 strategy game in the world. Our team consists of 200+ passionate, talented, self-driven, and continually developing professionals who love making high-quality...

  • Team Lead Backend Developer

    6 days ago

    Limassol, Limassol, Cyprus BrainRocket Full time €60,000 - €120,000 per year

    BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don't follow formats. We shape them. We...

  • Backend Team Lead

    6 days ago

    Limassol, Limassol, Cyprus TradingView Full time €60,000 - €120,000 per year

    Our mission: Make an impactTradingView was founded with a mission to empower people to achieve success on their own terms. We're building a space where anyone can maximize their chances in the financial markets with the best tools and data at their fingertips. Our product portfolio includes best-in-class charts, versatile commercial libraries, a social...

  • Backend Architect

    6 days ago

    Limassol, Limassol, Cyprus Premier Group Full time €110,000 - €140,000 per year

    Backend ArchitectLimassol, Cyprus – Relocation Package Available4 days a week in the office€110,000 - €140,000English & Russian SpeakingThis company are one of the biggest and most successful businesses within their niche FinTech market space and have massive plans to build brand new Tech, Data & Delivery teams in 2025. This has come off the back of a...

  • Backend Developer

    6 days ago

    Limassol, Limassol, Cyprus Sensemitter Full time €60,000 - €80,000 per year

    AtSensemitter, we decode player emotions and behaviors using advanced neuro-behavioral AI. Trusted by top gaming studios likeMytona, Voodoo, and Nexters, we're building a next-generation platform that helps mobile game creators test, optimize, and launch experiences that players actually feel.We're now seeking an experiencedBackend Developerto join our...

  • Team Lead of Backend Development

    6 days ago

    Limassol, Limassol, Cyprus TradingView Full time €120,000 - €180,000 per year

    Our mission: Make an impactTradingView was founded with a mission to empower people to achieve success on their own terms. We're building a space where anyone can maximize their chances in the financial markets with the best tools and data at their fingertips. Our product portfolio includes best-in-class charts, versatile commercial libraries, a social...

  • Senior Backend Engineer

    6 days ago

    Limassol, Limassol, Cyprus Spotware Systems Full time €60,000 - €120,000 per year

    We are looking for a Senior Backend Engineer (Java) for a startup, backed by Spotware. This is your chance to build something from scratch that could scale to millions of users around the world.What you'll do:Architect, develop, and maintain scalable and secure backend systems for our mobile app.Design and implement real-time communication, geolocation...

  • Backend Software Engineer

    6 days ago

    Limassol, Limassol, Cyprus Exness Full time €60,000 - €120,000 per year

    At Exness, we are not just a leading trading broker—we've reimagined what it takes to be a leader. With 40M+ trades a day and 2,000+ people across 13 countries, we combine scale, care, and real tech to make trading better for 1M+ clients worldwide.Recognised globally as a Best Place to Work, we're a people-first company where long-term wins always matter...

  • Team Lead

    6 days ago

    Limassol, Limassol, Cyprus BrainRocket Full time €60,000 - €120,000 per year

    BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don't follow formats. We shape them. We build...