Software Engineer | Mid-Office | Python
As a Software Engineer in our Core systems team, you’ll design, build, and maintain high-performance systems that power global crypto trading. From scalable data solutions to real-time monitoring and compliance reporting, you’ll own projects end-to-end, collaborating closely with trading and operations to drive efficiency, accuracy, and innovation.
About BlockTech
BlockTech is a fast-paced algorithmic trading firm facilitating global cryptocurrency derivatives and spot trading while expanding into new markets. Positions, PnL, and hedging all run through our Core team. When the numbers our traders and risk team rely on are wrong, this is where it gets found and fixed.
The role
We're looking for a Software Engineer to join our Core team in this role, you'll own the systems that keep positions, PnL, and hedging correct across every venue we trade. You build and run the platform, and you're the one who notices when a number looks wrong and follows it until you know why.
You will:
Own the books. Maintain and evolve our position, trade, and PnL systems so they stay accurate across every venue.
Do the quant work. Build and refine our hedging, Greeks, margin models, and early exercise premium calculations.
Surface the risk. Build the risk views and calculations that show traders and the risk team what exposure we're carrying.
Support the desk. Work side by side with traders and researchers, making sure the data they rely on is correct and available.
Deliver reporting. Provide the data that internal stakeholders and regulators require, PnL breakdowns, trade surveillance, treasury accounting, and compliance.
Own it in production. Spot discrepancies in live data, trace the root cause, and maintain what you ship.
What we're looking for
An engineer at heart with a strong quantitative background. Real enthusiasm for the engineering work.
A relevant educational background, ideally in a quantitative field such as Mathematics, Econometrics or Computer Science.
Professional work experience with Python, Grafana and PostgreSQL.
Strong Debugging skills. You can trace problems to their source even in unfamiliar systems
An engineer at heart with a strong quantitative background.
A critical mind that follows things until completion, high ownership, and clear communication in English
Nice to have
Experience in finance (ideally trading), on the systems behind positions, PnL, risk, and hedging
What's in it for you?
A full-time position in a relaxed and modern office in Amsterdam
Competitive compensation consisting of a base salary combined with a very attractive bonus plan based on individual and company performance. Outstanding performance is rewarded with the opportunity to buy into the trading fund
Pension plan, company laptop, and reimbursement of your internet costs at home
An extensive in-house training program and an annual learning & development budget, working at the forefront of automated trading using state-of-the-art technology, in an environment that embraces AI to both accelerate productivity and advance our systems and models
Gym membership reimbursement and the opportunity to engage in various sports during working hours, including kickboxing, CrossFit, fitness, and soccer, plus regular social events including weekly Friday drinks, monthly outings, quarterly sports competitions, and bi-annual trips abroad
Daily breakfast and warm lunch, with snacks and drinks provided throughout the day. For internationals: all-in relocation package and Dutch classes
Our culture
At our core, we are a team of passionate trading and tech enthusiasts committed to revolutionizing trading through automation. Our collaborative approach ensures that everyone contributes to achieving our ambitious goals.
In this role, you will be both challenged and stretched, with ample opportunities for growth and development, both within and beyond your main responsibilities.
We invest in our people by offering competitive compensation and benefits, fostering innovation, and celebrating success. Our commitment to personal development transcends traditional norms; we provide an equal playing field, promote reverse leadership, and offer boundless growth opportunities for all our employees.
Join us to unlock your potential and drive innovation in the exciting world of algorithmic trading.

Job requirements
Join our newsletter
to stay up to date
Your journey to joining BlockTech.
We believe in a clear and efficient application process that lets you showcase your skills, experience our culture, and discover if BlockTech is the right fit for you. Here’s what to expect:
Apply & connect
Start with an introductory conversation to get to know each other, discuss your application and determine your role.
Showcase your skills
Complete role-specific assessments (quantitative, cognitive, or technical) to demonstrate your strengths.
Evaluation rounds
Take part in behavioral and technical interviews on-site to evaluate your problem-solving skills and critical thinking.
Seal the deal
After completing our assessments, you’ve earned your place on the team. Congratulations and welcome aboard!
You might also be interested in...
Didn’t find the perfect fit? Here are some other exciting opportunities that may match your skills and interests. Explore more open roles and take the next step in your career at BlockTech.