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BlockTech

Decentralized proof-of-assets liquidity for derivatives trading

Software Engineer - Mid-Office, Python

Full-TimeUpdated on 10/15/2026
No salary listed
Mid
Amsterdam, Netherlands
Hybrid
Software EngineeringBackend Engineering

About the job

Requirements
  • A strong quantitative background and genuine enthusiasm for 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 and the ability to trace problems to their source, including in unfamiliar systems.
  • A critical mindset, high ownership, and clear communication in English.
Responsibilities
  • Maintain and evolve position, trade, and profit-and-loss systems to ensure accuracy across every trading venue.
  • Build and refine hedging, Greeks, margin models, and early-exercise premium calculations.
  • Build risk views and calculations that show traders and the risk team their exposure.
  • Work alongside traders and researchers to ensure the data they rely on is correct and available.
  • Provide data required by internal stakeholders and regulators, including profit-and-loss breakdowns, trade surveillance, treasury accounting, and compliance reporting.
  • Identify discrepancies in live data, trace their root causes, and maintain systems in production.
Desired Qualifications
  • Experience in finance, ideally trading, with systems supporting positions, profit and loss, risk, and hedging.

About the company

BlockTech builds a platform for decentralized proof of asset ownership and trading derivatives, enabling faster and more transparent liquidity. It works by using advanced software, mathematical models, and a global network to verify asset proofs and quickly match orders in derivatives markets. The company differentiates itself through its emphasis on decentralization of asset proofs, speed, and precision across a wide network compared to traditional centralized providers. Its goal is to accelerate decentralization of asset proofs and transform derivatives trading by delivering faster, more reliable liquidity.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Amsterdam, Netherlands

Founded

2017

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Simplify's Take

What believers are saying

  • August 2026 gross profit guidance rose to $12.51 billion after strong second quarter.
  • August 2026 Neighborhoods added 30,000 sellers, expanding local commerce density.
  • July 2026 ChatGPT and Claude integrations target seller discovery and conversion.

What critics are saying

  • February 2026 layoffs cut 4,000 workers, exposing restructuring execution risk.
  • July 2026 California and 46 states settled Cash App fraud claims for $45 million.
  • Persistent fraud enforcement turns Cash App into a liability instead of growth engine.

What makes BlockTech unique

  • Square and Cash App combine merchant software, consumer payments, and distribution.
  • June 2026 Builderbot and agentic AI now write nearly all production code changes.
  • Bitkey, open hardware patents, and bitcoin features deepen Block’s ecosystem lock-in.

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Benefits

Home Office Stipend

Phone/Internet Stipend

Relocation Assistance

Gym Membership

Meal Benefits

Company Social Events

Professional Development Budget