Senior Frontend Developer

il y a 2 jours


Avenue Louis Breguet Toulouse France Roundtable Temps plein
About the role

We are looking for a highly skilled Senior Frontend Developer to join our tech team.

As collaborative building is at the core of how we operate - not just within the engineering team but across all departments. We are developing a platform that offers an incredible opportunity to co-invest in the Private Equity sector. To achieve our vision, we need to establish both a premium brand and platform.

As our tech team continues to scale, you'll wear many hats. Your responsibilities will include:

  • Collaborating closely with the team on product strategy, assessing the effort required for various features, and making key technical decisions

  • Supporting the overall decision-making process and the company's sustained growth

  • Developing, deploying, and maintaining new features

  • Conducting code reviews and facilitating knowledge sharing within the team

What you'll work on
  • Cap table engine: Build systems that track ownership across thousands of investors with cent-level precision

  • Multi-country compliance: Implement investor qualification rules and regulatory workflows across jurisdictions

  • Multi-asset platform: Extend the platform to support diverse asset classes and investment structures

  • Financial operations: Design robust workflows for complex financial transactions and fund operations

  • Real-time dashboards: Create high-performance investor platform with live portfolio valuations

  • Document automation: Generate legal documents (subscription agreements, shareholder reports) from dynamic templates

  • Security: Protect sensitive financial data with robust authentication, authorization, and encryption

Technical challenges

We handle sensitive financial data, which presents us with unique challenges:

Precision at scale: Our engines compute fractional ownership across thousands of investors. Rounding errors must cascade correctly - we can't lose or create cents.

Complex financial state machines: Financial operations involve coordinated updates across multiple entities and ledger entries. State transitions must be atomic and auditable.

Multi-jurisdiction compliance: Different countries have different regulatory requirements. The system must enforce these rules programmatically while remaining flexible.

Historical reconstruction: Auditors need to see data at any point in time. Our architecture supports point-in-time queries tied to specific operations.

Domain complexity: We model sophisticated financial instruments and multi-currency valuations—all with type safety.

Overall tech stack

Type Safety: 100% TypeScript across the entire stack (frontend, backend, shared libraries)

Quality Assurance:

  • Vitest for unit/integration testing

  • Playwright for E2E testing

  • Biome for linting and formatting

  • Zod for runtime validation at all system boundaries

Architecture:

  • pnpm workspace monorepo with Turborepo for build orchestration

  • Domain-Driven Design with 20+ shared domain libraries

Frontend (your focus):

  • (App Router) with React Server Components

  • Tailwind CSS with custom design tokens

  • Shadcn/Radix UI for accessible, composable components

  • Apollo Client with cache management and optimistic updates

  • React Hook Form for complex form handling

  • TanStack Table/Virtual for high-performance data grids

  • Storybook for component documentation and visual testing

  • Playwright for E2E testing

Backend (context):

  • GraphQL Yoga + Nexus (type-safe schema generation)

  • PostgreSQL & Redis

  • BullMQ for job queues

API Layer:

  • GraphQL (client-facing) with Apollo Client

  • REST (admin-facing) with Zod schemas

Cloud Infrastructure:

  • Google Cloud Platform (Cloud Run, GCS)

  • Container-based deployments

Observability:

  • Datadog for monitoring (browser + server)

  • Sentry for error tracking

AI Integration: OpenAnthropic-powered document analysis and data extraction pipelines

Engineering culture
  • Domain-Driven Design: coherent domains with clear boundaries

  • Strict TypeScript: No any types, Zod validation at all boundaries

  • Observability-first: Datadog + OpenTelemetry + Sentry from day one

  • Code review culture: Every PR gets thoughtful review

  • AI-assisted development: We leverage AI tools (IDE assistants, PR review) to augment engineers while keeping humans in the loop for all decisions


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