Senior Backend Engineer, Java

hiring Quants & Engineers - https://tally.so/r/pby6pE
We gift Claude Code Max 20x subscription (1-12 month) for successful referral
You must have heard about some of this projects: Polymarket, Kalshi, Opinion
We do:
- 15min crypto options market-making
- arbitrage with Binance
- insider-identifying directional bets
- mid frequency copy trading
- to be continued…
We value tier-1 engineers and quants.
Our team:
- worked in top tier high freq trading hedge funds (binance, okx, …)
- made infrastructure for onchain data (solana, base, hyperliquid, …)
- won IOI and kaggle competitions
We are ready to onboard 2 people to our team
Quant: research & improve strategies, backtest, reverse other traders
Engineer: making high performance data providers and trading engine
Nice to have some from you:
- Top tier education
- Understanding of MEV and onchain arbitrage/market-making
- Experience in trading, crypto or traditional markets
- Other relevant background
What we offer:
- Top market salary and profit sharing
- Unique and challenging tasks
- Strong team and growth

I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.

We are currently seeking a skilled professional to join our team as a Full-time Hackintosh iOS Developer. In this role, you will be responsible for developing iOS applications for our Hackintosh platform. The ideal candidate will have a strong background in Web, Mobile, and Software Development, Engineering & Architecture, Customer Service, and Accounting and Consulting Specialist.
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.

Our client is a prominent developer of body motion video games for their proprietary device, and they are presently in search of a Software Engineer to lead the design and implementation of high-performance systems that govern sensing, detection, and inference for cutting-edge interactive products.

You will be responsible for setting the technical direction of fundamental platform layers that are integral to real-time multimodal systems.

Responsibilities:

Create efficient, cross-platform software frameworks supporting detection, sensing, haptics, and ML inference.

Design effective runtime execution systems and hardware abstraction layers to ensure low latency and high reliability.

Develop developer-friendly APIs for leveraging core platform capabilities.

Optimize camera, microphone, and haptics pipelines for seamless support of multimodal data streams.

Work with real-time data to ensure the frameworks run smoothly on diverse hardware configurations.

Requirements:

Minimum of 3 years' experience in building frameworks, performance-centric applications, or cross-platform systems.

Proficiency in C++/C#, along with proficiency in at least one other systems language such as Java, Rust, or Go.

Demonstrated experience in real-time systems development and optimizing code for high performance.

Experience in hardware abstraction and creating APIs for consumption by other engineering teams.

Preferred Qualifications:

Background in computer vision, embedded systems, signal processing, low-latency software, or CI/CD infrastructure for high-performance codebases.

Animoca Brands Corporation Limited is a pioneering company in the Web3 space, utilizing tokenization and blockchain technology to bring digital property rights to consumers and contribute to the development of the open metaverse. Their mission is executed through three core business areas: operating Web3 ventures such as Moca Network, Anichess, The Sandbox, Open Campus, NEOM Web3 initiatives, and a regulated stablecoin project; offering digital asset advisory services like tokenomics consultancy and liquidity provision; and managing investments in over 540 companies, including top industry players.

We are seeking a talented Full Stack Engineer to join our team dedicated to shaping a decentralized future. In this role, you will play a crucial part in building innovative applications that connect traditional web experiences with blockchain technology seamlessly.

As a Full Stack Engineer, you will be responsible for developing decentralized applications (dApps) across the entire Animoca Brands ecosystem. This involves creating user-friendly interfaces, designing robust backend services, and ensuring strong integration with the EVM ecosystem.

Responsibilities

Web3 Integration: Design and implement scalable frontend interfaces that interact smoothly with blockchain technology utilizing libraries like Ethers.js, Viem, or Web3.js.

Backend Architecture: Develop and maintain high-performing APIs and microservices (Node.js/TypeScript) to support our range of games and platforms.

Security Focus: Implement and uphold stringent security standards across the tech stack to mitigate common Web3 vulnerabilities.

EVM Expertise: Dive deep into the EVM ecosystem, managing transaction processes, gas optimizations, and interactions with various Layer 2 solutions.

Collaboration: Work closely with product managers, UI/UX designers, and smart contract engineers to translate complex blockchain concepts into user-friendly products.

Qualifications

Blockchain Proficiency: Thorough understanding of EVM functionality, including providers, signers, transaction broadcasting, and blockchain data indexing.

Full-Stack Security: Experience securing Web3 applications, familiarity with OWASP Top 10, and security patterns for decentralized interfaces.

Modern Frontend Skills: Proficiency in React.js or Next.js and TypeScript for building performant state-driven applications.

Robust Backend Knowledge: Strong background in Node.js and relational or NoSQL databases.

Preferred Qualifications

Smart Contract Development: Hands-on experience in writing, testing, and deploying Solidity contracts via tools like Hardhat or Foundry.

DeFi/NFT Awareness: Knowledge of ERC-20, ERC-721, and ERC-1155 standards.

Infrastructure Expertise: Familiarity with Docker, Kubernetes, or cloud services like AWS.

Why Join Animoca Brands?

Diverse and Inclusive Workplace: Thrive in a vibrant, multi-cultural setting with colleagues from various backgrounds.

Web3 Incentives: Grow alongside innovative projects and play a significant role in the future.

Direct Impact and Open Structure: Your input matters; our flat organizational structure ensures rapid idea implementation.

Comfortable Environment: Enjoy a relaxed and productive work atmosphere with a casual dress code.

Cross-Project Opportunities: Collaborate with subsidiary brands across the network, gaining exposure to diverse projects and technologies.

Comprehensive Benefits: Benefit from a range of comprehensive packages including medical, life, and transportation allowances.