Software Engineer - Blockchain at Sahar | FR | Rezi

Software Engineer - Blockchain at Sahar

Software Engineer - Blockchain

Sahar · FR

6 days ago

Software Engineer - Blockchain

Sahar · FR

7 days ago
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About the Role

Join our Engineering team to actively develop an innovative multi-blockchain data analysis SaaS product, impacting strategic projects. Collaborate with Product, QA, and DevOps teams, balancing new feature development with existing system consolidation.

Responsibilities

  • Design, develop, and deploy web applications and micro-services, identifying relevant architectures.
  • Participate in the entire development cycle, from technical design to implementation.
  • Utilize IDE AI assistants and contribute to agentic workflow design.
  • Participate in the setup and optimization of infrastructure (CI, Docker, Kubernetes).
  • Contribute to application configuration, deployment, and monitoring.
  • Manage development and production environments.

Requirements

  • Mastery of at least one language besides Python (TypeScript, Go, Rust, Scala, Java, etc.).
  • Proficiency in JavaScript, browser APIs, and a front-end framework (React, Vue, Svelte, Angular, Solid, etc.).
  • Proficiency in a proven back-end technology (Django, Fastapi, Fastify, Nest.js, Express, Spring, etc.).
  • Comfort with relational databases and REST APIs.
  • Understanding of MVC, Clean, and Hexagonal Architecture.
  • Minimal knowledge of Docker is essential.
  • Rigorous versioning and continuous deployment using Git.
  • Active use of an IDE AI assistant with practical experience in prompt and harness engineering.
  • Fluent written English for documentation, libraries, and communications.
  • Significant prior experience with Kubernetes is a plus.
  • Several years of experience as a Software Engineer in demanding technical environments.
  • Mastery of programming fundamentals (best practices, performance, design patterns, data structures, algorithms).
  • Familiarity with the blockchain/crypto ecosystem (Bitcoin, EVM, Solana).
  • Good understanding of on-chain data models and smart contracts is a plus.
  • Ability to document work clearly.
  • Comfort with continuous deployment methodologies.
  • Humility and self-reflection.
  • Passion for technology, maintained through continuous learning, open-source contributions, hackathons, or side projects.
  • Intellectual curiosity, critical thinking, and a taste for ambitious technical challenges.

Skills

  • Python
  • TypeScript
  • Go
  • Rust
  • Scala
  • Java
  • JavaScript
  • React
  • Vue
  • Svelte
  • Angular
  • Solid
  • Django
  • Fastapi
  • Fastify
  • Nest.js
  • Express
  • Spring
  • Relational Databases
  • REST APIs
  • MVC Architecture
  • Clean Architecture
  • Hexagonal Architecture
  • Docker
  • Kubernetes
  • Git
  • Continuous Deployment
  • IDE AI Assistants
  • Prompt Engineering
  • Harness Engineering
  • Blockchain
  • Crypto
  • Bitcoin
  • EVM
  • Solana
  • On-chain Data Models
  • Smart Contracts

Location

  • On-site (for pair programming exercise)

Work Type

  • Hybrid (2 days/week remote)
  • Full-time
  • Permanent (CDI)

Experience Level

  • Several years of experience
  • Significant prior experience with Kubernetes (plus)

Salary/Compensations

  • €60,000 - €75,000 gross annual

Benefits

  • Access to advanced AI tools integrated into development practices.
  • Continuous learning environment (hackathons, AI training, ongoing education).
  • Regular team events.
  • Support for employee commitments (convention de réserve).
  • Involvement in CSR committee activities.
  • Support for ethical, ecological, and responsible AI initiatives through the Sahar Foundation.

About the Company

  • A company with a strong R&D focus, offering a demanding and stimulating technical environment.
  • A culture that values autonomy, trust, excellence, sobriety, curiosity, and trust.
  • A company that supports continuous learning and professional development.
  • A company with a strong corporate culture.
  • Sahar Foundation is dedicated to ethical, ecological, and responsible AI.

Equal Opportunity

  • Commitment to an inclusive and respectful work environment where every employee can thrive.
  • Commitment to promoting equal opportunities in the recruitment process.