Senior Backend Engineer, Fintech Platform

Social Leverage; Amsterdam; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Secfi is building the private wealth stack for employees and executives with equity. We’re seeking a Senior Backend Engineer to design the systems behind big financial decisions, with user numbers around 60,000 and growing.

Location Amsterdam, on-site, 1 year Dutch contract with relocation support. You’ll own core components like Maeve, the calculation engines, and product surfaces for equity planning and financing.

Qualifications

• Strong Python and production-grade backend development experience.
• Experience designing customer-facing systems and APIs.
• Proactive in understanding the product domain and customer needs.
• Track record in unstructured, high-ownership environments.

Responsibilities

• Build backend systems behind critical financial decisions.
• Develop Maeve hub and calculation engines.
• Create core product surfaces for equity planning and financing flows.
• Transform manual processes into robust software.
• Measure impact and ensure correctness.

Skills

Strong Python

Production services

SQL

REST API design

Public cloud (AWS)

GraphQL

Analytics

Startup/scaleup experience

Domain knowledge in fintech equity

Education

STEM degree

Tools

Bedrock

Claude

LangChain

LangSmith

AWS

Job description

Secfi is building the private wealth stack for employees and executives with equity. We’re seeking a Senior Backend Engineer to design the systems behind big financial decisions, with user numbers around 60,000 and growing.

Location Amsterdam, on-site, 1 year Dutch contract with relocation support. You’ll own core components like Maeve, the calculation engines, and product surfaces for equity planning and financing.