Mission

Be a key player in the newly formed Core Engineering team at Flowdesk to build a world class back office system which will serve as the backbone for Flowdesk's systems. Work alongside a seasoned team with deep product, buy‑side, and sell‑side experience in both Crypto and TradFi.

Tasks

• DeFi Integrations - Collect all necessary on-chain data and integrate with decentralized protocols to power an accurate, real-time back office system. You will be responsible for ensuring management has a comprehensive, up-to-date view of all on-chain assets. This includes owning the full process from requirements analysis, task specification, implementation, to post-production support.
• Core Booking / Aggregation - Implement and enhance features in the core booking and aggregation engine (Realised / Unrealised P&L, Balances etc) ensuring performance, reliability and correctness.
• Reconciliation - Automate reconciliation of all trading and treasury activity across the firm implementing data feeds from internal systems, banking, exchanges and custodians.
• Reporting - Work closely with the Finance and other internal users to gather and refine requirements, plan milestones, demo progress, and coordinate cutovers from manual / legacy workflows.
• Data products and APIs - Expose well-versioned APIs and event streams for downstream consumers; maintain backward compatibility and schema evolution.

Ways of working

• Follow established architecture and coding standards; participate in RFCs/design reviews and propose incremental improvements within existing patterns.
• Write clean, well-documented code and meaningful tests.
• Contribute to PR reviews; maintain up-to-date technical docs and diagrams.
• Own components end-to-end from spec to production support.

Must Haves - Experience

• Lifecycle knowledge of crypto asset classes: spot, perpetuals, futures, and options (including DeFi implementations).
• Hands-on integration with Defi protocols (DEX/AMM, lending, derivatives) such as Uniswap v3, Curve, Aave.
• Proven track record delivering scalable, reliable systems in production.
• Comfortable partnering with internal stakeholders across Trading, Ops, Compliance, and Engineering.

Must Haves - Technical

• Strong OO background in one or more, Go, C++, C#, Java or Rust.
• Experience with Typescript and Python.
• API design (versioning, backwards compatibility, observability)
• Postgres schema design and query optimization.
• Experience with message queue / pub-sub systems.
• Familiarity with cloud environments (GCP, AWS, Azure), modern CI/CD and containerization.

Nice-to-Haves - Experience

• Built or maintained position-keeping / accounting systems (PnL, accounting methods, pricing, greeks).
• Centralized reference data platforms (assets, networks, instruments), consistent symbology and instrument economics.
• Trading, risk, or back-office systems, ideally in regulated environments.

• International environment (English is the main language)
• Pension
• 100% health coverage
• Team events and offsites

Recruitment Process

1. HR interview (30')
2. Technical interview - Hiring Manager (30')
3. Take home assignment + Live coding session (90')
4. Team Member Technical (45')
5. CTO (45")
6. Chat with the Head of People (30')