About APF Company Limited

APF Company Limited is a Hong Kong headquartered blockchain ecosystem fund focused on strategic investments and active trading strategies in liquid cryptocurrency markets.

Overview

We’re seeking a talented Founding Quantitative Developer to join our Hong Kong team, where you’ll play a pivotal role in building and refining tools for cryptocurrency trading and blockchain integration. You’ll develop algorithms, integrate with decentralized finance (DeFi) platforms, and optimize systems for performance. This is an exciting opportunity to apply your technical expertise in a high-impact role, with rewards tied to the team’s success in a dynamic market.

Key Responsibilities

• Build and deploy trading algorithms to seize opportunities in cryptocurrency markets, ensuring scalability and efficiency.
• Integrate trading systems with DeFi protocols, developing secure smart contracts to enable automated strategies.
• Optimize low-latency infrastructure to support high-frequency trading in volatile market conditions. Monitor and enhance existing tools, proactively identifying areas for improvement to maintain a competitive edge.
• Collaborate with team members to design robust solutions, sharing insights to drive innovation. Keep pace with blockchain advancements, ensuring our systems align with evolving DeFi standards and protocols.

Qualifications

Education:

• Bachelor’s, Master’s, or Ph.D. in a quantitative field such as Computer Science, Mathematics, Physics, Engineering, or Economics from a reputable institution.

Work Experience:

• 2-5 years in a related field.

Technical Skills:

• Strong programming skills in Python (required) and C++ or similar languages (preferred) in Linux-based environments.
• Experience with data structures, algorithms, and writing efficient, well-documented code. Knowledge of Solidity for smart contract development and familiarity with blockchain concepts (e.g., web3, decentralized networks).
• Comfort with APIs (e.g., REST, WebSocket) and cryptographic techniques for secure integrations. Blockchain & DeFi:
• Understanding of DeFi ecosystems, including protocols like Uniswap, Aave, or similar platforms. Ability to develop and audit smart contracts for reliability and security.

Mindset & Attributes:

• Curiosity and enthusiasm for cryptocurrencies, trading, and blockchain technology.
• Sharp analytical skills with a knack for solving complex technical challenges.
• Ability to thrive under pressure, adapting quickly to shifting priorities.
• Collaborative spirit, eager to contribute ideas and learn from others.
• Strong sense of ownership, delivering high-quality work with precision.

Nice-to-Haves

• Experience trading cryptocurrencies or working with financial markets.
• Familiarity with high-frequency trading systems or market data analysis.
• Exposure to tools like SQL, bash, or cloud-based DevOps workflows.
• Contributions to open-source blockchain projects or a portfolio of DeFi-related work.

About us At Auros, we’re dedicated to advancing the cryptocurrency ecosystem through unparalleled liquidity and market-making services. We’re one of the largest participants in the market, trading across 10+ global locations, facilitating 3-4% of global daily volumes, and have connectivity to over 50 venues. What sets us apart, though, is our culture. We believe in hiring smart people and empowering them to do their best work. From day one you’ll have the autonomy and support to really excel. Our relentless focus on delivery drives us to continuously push boundaries and achieve exceptional results, all while offering abundant opportunities for personal and professional growth in the dynamic realm of digital assets. The Opportunity This is an opportunity to develop trading systems for crypto currencies in the rapidly evolving class of digital assets. You will work with our traders and other experienced developers on improving and adding to our core systems. These systems are predominantly written in python and C++. These systems have to process millions of transactions from dozens of different Cefi and Defi platforms around the world in dozens of currencies (fiat and crypto). The scale of this problem will present interesting technical challenges for you to work on, especially as we grow further as a company. Job Responsibilities

Develop trading system infrastructure in Python and C++ as directed Work with traders, middle office and other stakeholders to understand the core problems that each of the teams is facing, in both Cefi and Defi environments and design solutions Deploy trading system components into our production environment Be responsible for troubleshooting system issues as and when they occur Identify opportunities for system improvements Engage with the team during system design discussions, code reviews, trading idea brainstorms and daily office banter.

Who you are

A software engineer with 5+ years experience in developing clean, maintainable and performant code.  You have 3+ years experience developing in both python and C++ Good programming skills, with a strong understanding of data structures and algorithms You can find the balance between delivering clean, testable, reliable code and rapidly deploying new system features to take advantage of market opportunities You are reliable, take pride in delivering robust software and are willing to be on call to support the systems you develop You’re able to precisely articulate software concepts and designs You have a Bachelor's degree (or above) in Computer Science, Software Engineering or similar, with excellent results. A strong interest in finance and cryptocurrencies, and solving complicated puzzles that can arise in this line of business (Desirable skill)

What We Offer in Return

Opportunity to work at the forefront of the digital asset industry Remote and flexible work Autonomy and a flat structure means you can contribute your ideas from day one and help shape the foundation that will power our future business.

At Auros, we value nimbleness, drive for success, owner mentality, and collaboration. Join us in shaping the future of financial services across Asia and beyond!

Apply Now:

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.

About the job:

At Tether, we're committed to making advanced AI technologies more accessible. Thanks to its investment in AI infrastructure, starting from Northern Data, Tether is now in a prime position to tackle ambitious AI projects. Our goal is to build the next generation of AI models, leading innovation in AI, through an accessible, transparent and privacy preserving approach.

Responsibilities:

• Work on low level libraries and modules in various domains.

• Collaborate closely with researchers to assist in coding, training and transitioning models from research to production environments.

• Integrate AI features into existing products, enriching them with the latest advancements in machine learning.

• 5+ years of experience working with C and C++.

• Experience working in low level OS / Systems / Kernel development.

• Experience in low level networking.

• Knowledge of other languages such as Rust and Javascript is a nice to have.

• Demonstrated ability to rapidly assimilate new technologies and techniques.

• A degree in Computer Science complemented by a solid track record in development.

Apply Now:

As a Senior/Staff Software Engineer, you will be one of the technical leaders of our core technology team that pushes the boundaries of our state-of-the-art high-frequency trading platform. You will come up with innovative yet simple solutions to tackle complex problems. You will reimagine how we solve engineering problems and lead our team to make major improvements. This is a highly selective opportunity for talented individuals that are looking to join a leading team in a fast-growing quantitative trading industry. Responsibilities

Lead design of major software components, systems, and features Design, develop, test, deploy, maintain, and improve our core libraries Redesign our existing software architecture to improve efficiency and scalability, as well as reduce time effort, and potential for errors in future development Leverage advanced algorithms and data structures to improve the speed and accuracy of our tick-by-tick backtesting research platform Interact directly with traders to communicate technology changes, manage incidents, and troubleshoot problems Contribute to technical discussions, code reviews, and internal sharing Mentor and train other team members on design techniques and coding standards

Requirements

Bachelor’s or Master’s degree in Computer Science or related field 8+ years of strong hands-on programming experience using C++14 (not C->

Preferred Qualifications

Experience in low-latency C++ Experience in developing low latency systems

Apply Now:

Job Description As a Software Engineer, you will be part of a dynamic team that works on pushing the boundaries of our state-of-the-art high-frequency trading platform. You will work on software that interacts with exchanges globally and gain a deep understanding of how information flows across financial systems. This is a highly selective opportunity for talented individuals looking to join a leading team in a fast-growing quantitative trading industry. Responsibilities

Take charge of designing and developing API integrations for crypto exchanges, encompassing the aggregation of quotes and trades, as well as the efficient execution of orders across global exchanges Expand the reach of our trading platform that collects data from and sends orders to exchanges around the world Create tools to deploy, monitor, and analyze our production processes crucial to the firm’s success Engage directly with traders to convey technology changes, address incidents, and troubleshoot issues Contribute to technical discussions, code reviews, and internal sharing Address occasional urgent issues, usually occurring once per month, with support from the entire team

  Qualifications

Bachelor’s or Master’s degree in Computer Science or related field 2+ years of working experience is required Strong hands-on programming experience using C++14 (not C->

Apply Now:

As a Senior/Staff Software Engineer, you will be one of the technical leaders of our core technology team that pushes the boundaries of our state-of-the-art high-frequency trading platform. You will come up with innovative yet simple solutions to tackle complex problems. You will reimagine how we solve engineering problems and lead our team to make major improvements. This is a highly selective opportunity for talented individuals that are looking to join a leading team in a fast growing quantitative trading industry. Responsibilities

Lead design of major software components, systems, and features Design, develop, test, deploy, maintain and improve our core libraries Redesign our existing software architecture to improve efficiency and scalability, as well as reducing time effort and potential for errors on future development Leverage advanced algorithms and data structures to improve the speed and accuracy of our tick by tick backtesting research platform Interact directly with traders to communicate technology changes, manage incidents and troubleshoot problems Contribute to technical discussions, code reviews and internal sharing Mentor and train other team members on design techniques and coding standards

Requirements

Bachelor’s or Master’s degree in Computer Science or related field 5+ years of strong hands-on programming experience using C++14 (not C->

Preferred Qualifications

Experience in low-latency C++ Experience in developing low latency systems

Apply Now:

Please only apply to one job posting. In the application questions below, you’ll have the opportunity to indicate if you’re interested in multiple offices and/or roles. Please do not submit multiple applications for different positions/offices! This role is directed at graduates seeking a 2025 start date. For 2026 start dates, please take a look at our internships. As a Software Engineer at Hudson River Trading (HRT), the code you write is our business. Our engineers create and maintain critical technology and infrastructure that is integral to the success of our trading.. Software Engineers bring deep knowledge of C++, OS internals, CPU architecture, and networking hardware and protocols to our incredible live trading system and powerful research environment.   In this role, you will work closely with other engineers across the firm who design trading algorithms and monitor trading in an extremely fast-paced, real-time environment! We are looking for smart programmers who love to code, enjoy being challenged, and can thrive in an open and collaborative company culture. Qualifications

You are a full-time undergraduate student studying computer science or a related field who is eligible for full-time roles in 2025 Excellent design, debugging, and problem solving skills Working experience with C/C++ is required, as are good CS fundamentals  Knowledge of UNIX operating systems (we use Linux), system/processor performance, and network communication Interest in low-level architecture, logic design, and/or verification is a plus

Profile

In your spare time you: code, tinker, read, explore, break things, and have an insatiable curiosity for all things computer-related — you'll find like-minded people here You are capable of working both independently, as well as part of a team and can analyze and fix problems quickly You can look at code, figure out how it works, and identify how to make it better You can describe software designs at a high level (the abstract interface), low level (step-by-step algorithm), and anywhere in between You really like to work with people who push you to be better at what you do

The estimated base salary range for this position is $175,000 to $250,000 per year, based on job-related skills and experience. This role will also be eligible for discretionary performance-based bonuses and a competitive benefits package.Culture Hudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading. At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization—from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues – whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.Feel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you.

Apply Now:

The Opportunity

As a Backend Engineer of our LLM Application on the Nascent engineering team, you will play a key role in building, scaling, and maintaining the system that powers our LLM infrastructure. From developing backend architecture in Rust to contributing to UI components in React, you’ll be working across the stack to support high-performance, scalable applications. You’ll collaborate closely with technical leadership and contribute meaningfully to the development of systems from the ground up, helping build scalable, performant, production-level applications with regular release cycles.

You will thrive in this role if you’re a self-directed learner who is excited to take ownership, move quickly, and adapt as requirements evolve. You’ve got experience with performance-sensitive systems, are comfortable with modern frontend frameworks, and bring a scrappy, startup-friendly mindset to solving complex problems. If you’re eager to level up in Rust, build at the intersection of AI and crypto, and build with a team that values curiosity, experimentation, and execution—this is the perfect role for you.

Responsibilities

• Design, develop, and maintain the next phase of a world-class LLM system that is ensuring optimal performance, low-latency, reliability, and scalability.
• Support development and implementation of a backend, microservices, Rust architecture.
• Responsible for front-end development in support of backend configuration management.
• Collaborate cross-functionally with other engineering teams to support system users.
• Build and integrate custom AI agents and LLM-based tools into your daily workflows to enhance efficiency and productivity.
• Stay updated with emerging technologies, communication protocols, web standards, and best practices for data acquisition.
• Ensure resilience and stability through quality code reviews, unit, regression and user acceptance testing
• Be an integral contributor to a lean agile development team

About you

• You thrive in less structured environments and are at your best when driving and delivering results with the freedom to build and execute your own plan.
• You are as excited by starting a project as completing, maintaining, and continually optimizing it.
• You are resourceful and can toe the line between moving fast and breaking things and moving methodically to get things right the first time.
• You are extremely agile and have a strong ability to adapt quickly to evolving requirements.

Preferred experience

• 2-5 years of full-time software engineering experience, ideally as a systems programmer (Rust, C++, GO). Bonus if you have experience with and/or interest in learning Rust.
• Experience supporting a large project from start to finish.
• Experience with some front-end technologies (React, Angular, Vue.js)
• Experience beyond testing (e.g. quality processes, verification & validation)
• Experience building scalable, performant, production-level applications with regular release cycles
  • Performance sensitive engineering including multi-threading, streaming data, and concurrency
  • Distributed systems, microservices, relational databases
• Familiarity with Cloud platforms and IaC (Terraform and AWS)
• Experience building trading systems is a strong plus, with an interest in and enthusiasm for the crypto space.

About Nascent…

Founded in 2020, Nascent exists to build, expand, and capture opportunity, in open markets and permissionless technologies. Building from a base of permanent capital, we deploy assets across a range of both liquid and long-term strategies that ensure we are among the most active users of the open financial system we are helping to build. We’ve made venture investments in 100+ early-stage teams that we believe have the potential to create substantive change, expand boundaries, and find new horizons. We are consistently on the hunt for the most competitive and curious minds exploring the edges of the crypto ecosystem and leverage our hyper flexible structure to accelerate ideas into fully deployed strategies.

Our Team & Culture

At Nascent, we are an interdisciplinary team of investors, builders & creators, capable of achieving more together than we can as individuals. We offer the opportunity to contribute to building the future global economic system with a world-class team and culture that pairs the freedom to explore, experiment & play with a competitive drive to win. We invest in our people by providing the autonomy to build, coupled with accountability & honest feedback to help learn, grow, perform & win. Our distributed team understands the value of in-person time—we host two team retreats per year and encourage team members to come together for more frequent in-person work.

Principles that drive our team & work

• Compete to win
• Explore, experiment, play
• Always be building
• Seek and speak truth
• Own your shit.

What We Offer

At Nascent, we offer a competitive total compensation package heavily weighted toward bonus, ensuring that when we perform at our best and the firm wins we all win.

• The opportunity to learn, experiment and build in an entrepreneurial environment
• Remote and distributed working environment
• Comprehensive health benefits package including dental, vision, and life
• 16 weeks fully paid parental leave & supported return to work
• Home office setup and stipend or coworking space and wellness stipend
• Retirement plan matching contributions
• Open vacation policy as well as flexible work hours and location
• Team activities and bi-annual in-person team retreats

We are an equal opportunity employer and celebrate diversity and differences of perspectives. We do not discriminate on the basis of any status, inclusive of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.