Senior Backend Engineer — Fintech, Domain-Driven & Scalable

Roundtable; Paris; Hybride; EUR 75 000 - 90 000; Plein temps

Avantages offerts par ce poste

Alan health insurance

Swile restaurant card

25 days holidays + RTT

MacBook

Résumé du poste

Roundtable is building the gold standard for private equity by shipping a highly type-safe, scalable stack in a hybrid Paris/Toulouse setup. You will join a senior 10-engineer team, shaping domain-driven fintech workflows and production reliability under founders CTO and CPO guidance.

You’ll own critical features from zero-loss ownership tracking to auditable atomic transitions, with a focus on performance, safety, and business impact. Expect a fast-moving, high-ownership environment.

Qualifications

• 5+ years in Node.js/TypeScript or equivalent.
• Strong understanding of fintech domains and precision.
• Ability to write readable, maintainable code with clear boundaries.
• Experience with scalable architecture and production-grade systems.

Responsabilités

• Zero-Loss Engineering: evolve Cap Table engine with exact precision.
• Design atomic financial workflows with auditable state changes.
• Architect for scale to handle 10x volume with type safety.
• Own reliability stack including observability and AI-assisted pipelines.

Connaissances

Node.js/TypeScript

Fintech domain

Precision mindset

Domain-driven design

Observability

Outils

PostgreSQL

Prisma

Redis

BullMQ

tRPC

Zod

OpenTelemetry

Datadog

Description du poste

Roundtable is building the gold standard for private equity by shipping a highly type-safe, scalable stack in a hybrid Paris/Toulouse setup. You will join a senior 10-engineer team, shaping domain-driven fintech workflows and production reliability under founders CTO and CPO guidance.

You’ll own critical features from zero-loss ownership tracking to auditable atomic transitions, with a focus on performance, safety, and business impact. Expect a fast-moving, high-ownership environment.