Senior Full-Stack JS Engineer, Financial Ops (Hybrid, Paris)

Stoïk; United States; Hybrid; USD 77,000 - 133,000; Full time

Benefits offered by this job

Hybrid work

Autonomy over technically demanding to

Job summary

Stoïk is seeking a senior software engineer to build and scale a financial and operational platform used by internal teams and partners. The role focuses on reliability and multi-country support, delivering maintainable software with strong JS/TS expertise.

Based in Paris or surrounding region, you will work in a small, experienced team with two to three office days weekly, contributing to core operational systems and new product regions.

Qualifications

• At least five years of software engineering experience with business logic
• Strong JavaScript skills and professional TypeScript experience
• Ability to lead work independently from problem definition to delivery
• Care for code structure, implementation quality, and end-user value
• Understanding of business goals such as distribution and conversion

Responsibilities

• Develop full stack features for financial workflows and internal tools from design through deployment and support
• Improve reliability and scalability of systems handling products and operational rules across countries
• Keep financial and operational data trustworthy for teams, partners, and insurers
• Collaborate with product, design, data, and business teams to translate needs into maintainable software
• Take ownership of projects and make informed technical and product trade-offs

Skills

JavaScript

TypeScript

Lead independent work

Code quality

Business goals understanding

Job description

Stoïk is seeking a senior software engineer to build and scale a financial and operational platform used by internal teams and partners. The role focuses on reliability and multi-country support, delivering maintainable software with strong JS/TS expertise.

Based in Paris or surrounding region, you will work in a small, experienced team with two to three office days weekly, contributing to core operational systems and new product regions.