Software Engineer II, Backend (Credit Decisioning)
•Affirm· 1d
💻 Engineering📝 Contract📈 Mid Level💰 $125k-175k🇨🇦 Canada
1d ago
Wincent·3 days ago
Imagine building systems that think in microseconds — algorithms that move millions with absolute precision.
We’re engineers driven by performance, reliability, and meaningful innovation in the crypto trading space. Our team — experienced builders from Amazon, and Google, with academic backgrounds from Berkeley, Caltech, ETH, and MIT — is developing a next-generation trading platform that executes orders seamlessly across 10+ exchanges and dozens of tokens.
Here, every line of code matters. Push your work to production, and within minutes it could be driving thousands of trades per hour. It’s fast, impactful, and never dull — the kind of engineering challenge that keeps you sharp and inspired.
The Trading Core Team sits at the center of our technology — building lightning-fast systems that pull live data from dozens of crypto exchanges. Working hand-in-hand with other teams, they ensure a flawless data pipeline powering our trading algorithms. Beyond data, they craft and maintain ultra-reliable execution engines that handle complex exchange protocols with precision, security, and zero downtime. Every line of code — written in Rust — keeps our trading edge razor-sharp.
Fast and Efficient Data Retrieval: The TC team builds high-performance systems to fetch data from multiple crypto exchanges with minimal latency, ensuring access to the most up-to-date market information.
Order Entry: TC team is responsible for order entry on every venue Wincent trades by employing state of the art techniques and tricks to get model outputs as fast to matching engines as possible in form of create, cancels and amend order requests.
Data Normalisation: After acquiring raw data, the team normalises and standardises it to create a consistent and uniform format across different exchanges.
Monitor the live system’s performance and correctness as part of on-call rotation.
Senior Engineering Expertise: 5+ years in system design, performance tuning, and low-level optimization. We don't require knowledge of any specific language or framework.
Strong Algorithmic Thinking: Ability to capture and analyze data
Collaborative Spirit: Teamwork, communication, and collaboration are essential, as we work as a single unit, not as a group of individual contributors.
Systems Thinking: Strong understanding of distributed systems, scalability, and performance optimization.
Ownership & Problem Solving: We provide a lot of freedom to our engineers, so we expect you to be a “manager of one” who owns their agenda and delivers results.
Culture Fit: Say things as they are, answer questions truthfully, leave ego at the door, challenge decisions when you disagree, and once a decision is final, commit and deliver your best.
Introductory call: Learn more about the company and get your questions answered.
Online assessments: Behavioral assessment + Algorithmic coding challenge
Technical screening: Interview with one of our engineers, to assess your tech skills.
Technical interview: The live coding part to evaluate coding skills as well as communication and problem solving skills.
System Design interview
Soft skills interview: A discussion focused on your prior experiences and interpersonal skills.
The entire interview process is online.
We offer competitive, above-market compensation tailored to your expertise, seniority, and local residency. The typical base salary range is 80,000 € – 150,000 € per year, with the final offer reflecting each candidate’s individual experience and depth of technical skill. We can go even higher on base salary in specific cases.
Every six months, we celebrate impact. This bonus is tied directly to both individual excellence and the fund’s overall performance. When the team wins, you win too. In some exceptional cases, our engineers could get more than 50% of yearly total compensation in bonuses,
At Wincent, equity is a part of your compensation package, letting you share directly in the company’s success — when the firm wins, so do you. The equity fund is being regularly reevaluated and has a permanent upward trajectory.
Fund Investment: As part of our team, you’ll have the rare opportunity to invest in our flagship multi-strategy fund, which has delivered up to 50% annualized net returns since 2017. You decide how much you want to invest — it’s your chance to grow alongside the firm’s success.
Onsite vs Remote: We prefer onsite collaboration in Bratislava (we are more than happy to provide relocation support if needed). However we are also open to remote work, giving you the freedom to work from anywhere. We only ask for two types of “in-person touchpoints" — a 2-week onboarding at the start and quarterly visit to Bratislava, Slovakia.
Vacation: We believe great work comes from a balanced life. We have flexible working time and we also offer unlimited paid vacation.
Don't hesitate and apply today!
At Wincent, we foster a culture of transparency, ownership, and autonomy, where every team member is empowered to make a meaningful impact. We prioritize clear objectives and give you the freedom to innovate and grow within a supportive, high-performing environment.
We value exceptional TOP 1% talent over a perfect match to a job description. If our vision and values resonate with you, we’d love to hear from you. Don’t hesitate to reach out—let’s explore how you can be part of shaping the future of cryptocurrency trading with us!