Senior Backend Developer | Python & TypeScript | Quality & Architecture | Remote | PJ

Description

**Senior Backend Developer | Python & TypeScript | Quality & Architecture | Remote | PJ** **____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________** **About VONBZ** At **VONBZ**, we are architects of digital evolution. We don’t just hire technical professionals—we seek talents who design new realities. Our team consists of people driven by continuous learning, strategic thinking, and a culture that transforms complex challenges into growth opportunities. We connect exceptional professionals with high-impact projects where technology, business, and purpose move forward together. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ **About the Client** A technology and loyalty platform that helps companies increase sales, generate recurring revenue, and strengthen customer relationships. The solution represents an evolution of cashback, enabling brands and merchants to offer bonuses redeemable for their own products or across an extensive network of partners—driving retention, engagement, and new business opportunities. The company combines innovation, technology, and scalable digital products to transform the loyalty experience in the market. The company’s current tech stack includes technologies such as **Python, TypeScript, React, and Node.js**, within a modern, collaborative, and highly technical environment. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ **Your Role in This Journey** In this opportunity, you will be hired by VONBZ and assigned to a strategic client, directly contributing to the technical and architectural evolution of the platform. VONBZ connects high-performance professionals with impactful technology projects, offering a collaborative, challenging, and technically excellent environment. You will play a critical role in maintaining the platform’s technical health, directly influencing architectural decisions, system refactoring, and strengthening the team’s engineering practices. 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**️ Responsibilities** * Develop and maintain scalable, resilient backend solutions * Design components aligned with architectural patterns such as: * **MVC** * **Screaming Architecture** * Focus on quality, maintainability, and continuous software evolution * Plan and develop unit and integration tests using: * **Jest** * **Mocha** * Actively participate in **Code Review** processes * Promote engineering best practices: * **SOLID** * **DRY** * **Clean Code** * Model and optimize relational databases using **PostgreSQL** * Ensure referential integrity, data consistency, and performance * Refactor and evolve legacy systems * Develop and integrate REST APIs * Support **CI/CD** pipelines and DevOps practices * Monitor applications and assist in incident resolution within cloud environments * Propose continuous improvements in architecture, processes, and engineering 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**✅ Requirements** * Solid backend development experience * Proficiency in: * **Git** * **Git Flow** * **Code Review** processes * Advanced knowledge of building and consuming **REST APIs** * Experience with relational databases, especially: * **PostgreSQL** * Data modeling skills using normal forms * Quality- and test automation–oriented mindset * Experience with testing frameworks: * **Jest** * **Mocha** * Solid understanding of: * **SOLID** * **DRY** * **Clean Code** * **TDD** * Knowledge of architectural patterns and engineering best practices * Analytical, resilient, and technically autonomous profile 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* **Nice-to-Haves** * Experience with: * **TypeScript** * **Node.js** * **Python** * **React** * **Sequelize** * Cloud environment experience: * **Google Cloud Platform (GCP)** * **AWS** * Knowledge of: * **Cloud Run** * **OAuth2** * **Basic Auth** * Experience with: * **GitHub Actions** * **Jenkins** * **Bash Script** * Experience refactoring legacy systems * Knowledge of microservices and observability * Familiarity with tools such as: * **Datadog** 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**What Your Day-to-Day Will Look Like** * Work on the platform’s technical and architectural evolution * Participate in strategic engineering decisions * Directly improve code quality and sustainability * Collaborate with multidisciplinary technical teams * Evolve legacy systems with a focus on stability and scalability * Contribute to strengthening engineering and quality culture 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**Work Model** Work model: Remote Contract type: Individual Contractor (PJ) via VONBZ On-site assignment at a strategic client Culture focused on quality, architecture, and continuous improvement Strong technical autonomy and participation in strategic decisions 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**Benefits** 15 days of paid vacation after one year of contract Parking space WellHub Birthday Day-Off Environment oriented toward technical excellence Strong culture of engineering and clean architecture Encouragement of continuous learning Collaborative and highly technical team Work with modern technologies and complex challenges Opportunities for technical growth and leadership