**ABOUT US** ------------ In **10 years**, all companies will operate a **non\-financial system**. As we see it, it's either **Dcycle or bust**. **Sustainability** should not be a cosmetic exercise. **Dcycle** is the startup born to make that happen. Amidst the regulatory, financial, and technical maze that has attempted to equate sustainability with **Non\-Financial Statements**, the industry has made access to information more complex. When faced with a black box, the keyholder becomes indispensable. In this context, the only way to elevate sustainability to the level it deserves is by adding **transparency** and eliminating all the **bullshit**. At **Dcycle**, we are determined to fulfill a mission: **giving companies control over sustainability**. And we are building an **amazing team** to make it happen. **What You'll Do** ------------------ As a **Senior Backend Engineer**, you will: * **Design and implement** scalable, secure, and maintainable backend services with high\-quality code. * Build robust solutions using **Python** (3\-5 years of experience preferred) with a strong focus on **best practices** and **clean architecture**. * Develop **microservice solutions** using **RESTful APIs** and **event\-driven systems** (e.g., gRPC, Kafka, SQS), ensuring alignment with product requirements and technical excellence. * Contribute to **CI/CD pipelines** (GitHub Actions, AWS CodePipeline) to guarantee **reliable deployments** and efficient development workflows. * Work with **AWS cloud\-native infrastructure**, leveraging services like **EC2, ECS, Lambda, RDS, DynamoDB**, and beyond to deliver scalable products. * Apply **infrastructure\-as\-code principles** using **CloudFormation** and **CDK** to maintain consistency and security across environments. * Implement system design patterns, including **domain\-driven design, CQRS**, and **event sourcing**, where they create clear value. * Collaborate cross\-functionally with **DevOps, Data, Design**, and **frontend teams** to deliver high\-impact features and improvements. * Drive **technical excellence**, **performance**, and **reliability** in everything you build, contributing to a culture of **continuous improvement**. * Support and learn from team members while taking **full ownership** of your deliverables. **Tech Stack \& Responsibilities** ---------------------------------- ### **Core Backend \& DevOps** * **Python** (Advanced proficiency) * **REST/gRPC APIs** \& messaging queues * **Testing frameworks** (pytest, unittest) with **TDD/BDD** methodologies * **CI/CD** with GitHub Actions, CodePipeline, containerization via **Docker**, **ECS**, **Fargate**, **EKS** * **Debugging** and **performance optimization** in staging and production * **AWS Cloud Architecture**: **EC2**, **ECS**, **Lambda**, **API Gateway**, **Route 53**, **ELB** * **Databases**: **PostgreSQL**, **RDS**, **DynamoDB**, **Aurora** * **Event\-driven design** using **SQS**, **SNS**, **Step Functions**, **EventBridge** * **Infrastructure as Code**: **CDK**, **CloudFormation** * **Security**: **IAM**, **KMS**, **encryption**, **least privilege**, **secret management** * **Monitoring \& Compliance**: **CloudWatch**, **X\-Ray**, **AWS Config**, **ISO 27001** understanding ### **Software Architecture \& System Design** * **Highly available**, distributed system design * **Domain\-driven design**, service boundaries * **Trade\-off analysis** and **cost\-aware architectural decisions** ### **Data \& API Strategy** * **SQL/NoSQL** schema design, indexing, migrations (**Alembic**) * **API lifecycle**: versioning, rate limiting, observability * **Idempotency, consistency**, and secure access patterns ### **Leadership \& Collaboration** * **Own backend projects** end\-to\-end * Participate in **technical reviews** and knowledge sharing * Promote **engineering best practices** and documentation **Who You Are** --------------- * Strong **problem\-solver** with an **ownership mentality** * Autonomous, curious, and driven by **impact** * Solid **communication skills**, written and verbal * Passionate about **clean, testable**, and **scalable code** * Committed to **security** and best practices in everything you build * Collaborative and proactive with a great sense of **humor** **What Do We Offer?** --------------------- * **23 vacation days** * **7 days** of **team\-building** per year * **Cobee card** for added flexibility * **Subsidized training** for continuous development * Competitive **gross annual salary** depending on seniority * **3 onsite \+ 2 remote days** as a base + \+1 remote day for **moms and dads** with 0–6 yo children + \+1 remote day if commuting takes longer than 1h (Google Maps base) * **1\-1s** will be mandatory onsite * **General All Hands** will be mandatory onsite * Full remote (optional) from the **end of the summer team building** up to the **warm\-up week** * Full remote (optional) from **Dec 23rd to Jan 6th** (both included) **HOW WILL YOU DO IT?** ----------------------- At **Dcycle**, we take inspiration from models like **La Masía at FC Barcelona**, one of the most prestigious and recognized football academies in the world. La Masía is much more than just a training facility; it is a true **talent factory** that has shaped some of the greatest legends in football. Its success lies in a **holistic approach** that combines a clear playing philosophy, an innovative methodology, and a long\-term commitment to the **technical**, **tactical**, and **personal development** of its players. Beyond football, La Masía also prioritizes the education and well\-being of its talents, shaping **well\-rounded individuals** prepared for challenges both on and off the field. At **Dcycle**, we embrace a **long\-term vision** and a comprehensive development philosophy. We are not just looking for immediate results, but for people with the potential and determination to make a difference. We prioritize professionals who share our mission: **giving companies control over sustainability**. We don't just evaluate technical skills or past achievements; we focus on individuals with **curiosity**, **critical thinking**, and a commitment to continuous learning. We want people who don't just complete their tasks but challenge ideas, bring new perspectives, and drive change. With this approach, we create an environment where **personal and professional growth** go hand in hand, and every challenge becomes an opportunity to innovate and make an impact. **The people who belong in Dcycle are:** ---------------------------------------- * **Nº1 \- Willing to pay the price** to become better, passionate about what we do, energetic, and hungry for challenges. * We fix what's broken with **ownership**, **autonomy**, and **responsibility**. * We take **humor seriously** spending time together is a pleasure. * **Intelligent** we learn quickly, are versatile, and technically brilliant at something. **The people who belong in Dcycle act:** ---------------------------------------- * **With confidence** whether acting autonomously or seeking opinions and getting involved; we value feedback as the only way to grow. * **Guided by metrics** we rely on key metrics to evaluate our efforts. * **Close to the customer** we maintain constant, iterative conversations with our customers and prospects to learn from our experiments (both about the problems and the solutions we create). * **By taking risks** we understand that failure is the price of learning.