Senior Full-Stack Engineer, Java Spring, FastAPI, React/TypeScript

2 days ago

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DaCodes.

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Artificial Intelligence • Software

DaCodes is a technology company specializing in delivering custom software solutions and digital transformation services across various industries. The company offers a range of services including AI-powered products, quality engineering, UX/UI design, and full-stack development. DaCodes is dedicated to helping businesses innovate and transform through cutting-edge technology solutions and expert talent augmentation. With over 900 projects completed and a global team of over 220 experts, DaCodes serves industries such as automotive, e-commerce, healthcare, and more, adapting to the unique challenges each sector presents.

201 - 500 employees

Founded 2014

🤖 Artificial Intelligence

📋 Description

• Build new backend services from scratch using Spring Boot/WebFlux, FastAPI, or AWS components. • Design and maintain Kafka-based event-streaming pipelines for payments, notifications, and AI-driven workflows. • Implement high-performance caching layers using Redis. • Own and evolve core platform components with strong architectural thinking. • Write clean, testable, maintainable production-grade code. • Implement observability patterns across services, including logs, metrics, and tracing. • Collaborate on frontend integrations with TypeScript and modern UI frameworks. • Contribute to automation workflows in n8n backed by secure backend logic. • Build production-ready systems with proper handling of retries, circuit breakers, and security hardening.

🎯 Requirements

• 6+ years of professional software engineering experience. • Strong proficiency in **Java, Spring Boot, and Spring WebFlux**. • Experience building APIs with **FastAPI**. • Proficiency with **TypeScript** and modern frontend frameworks (React, Next.js, or similar). • Hands-on experience with **Apache Kafka** in distributed event architectures. • Strong command of **Redis** for caching, queues, and performance tuning. • Experience deploying and maintaining applications on **AWS** (EC2, Lambda, API Gateway, SQS, SNS, DynamoDB, CloudWatch). • Solid understanding of distributed systems: concurrency, resilience, retries, backpressure, fault tolerance, and observability. • **Nice to Have** • Experience with PostgreSQL, DynamoDB, or other scalable NoSQL systems. • Knowledge of serverless observability, tracing, and logging tools. • Experience with **n8n** or other workflow automation tools. • Exposure to AI/LLM-based systems (RAG, tool integrations, AI agents). • Familiarity with CI/CD and IaC tools (Terraform, CDK). • Experience in fintech, payments, digital wallets, remittances, or regulated environments. • **Soft Skills** • Strong ownership mindset and the ability to create clarity in ambiguous environments. • Excellent problem-solving and debugging skills across distributed architectures. • Clear communication and ability to influence technical decisions. • Comfortable balancing reliability, velocity, and long-term maintainability. • Collaborative, pragmatic, and committed to high engineering standards.

🏖️ Benefits

• - 🚀 Integration with global brands and disruptive startups. • - 🏡 Remote / Home office work model. • - 📍 If hybrid or on-site presence is required, you will be informed in the first interview. • - ⏳ Work schedule aligned to the assigned team or project. • - 📅 Monday–Friday workweek. • - 🎉 Day off on your birthday. • - 🏥 Major Medical Expenses insurance (Mexico only). • - 🛡️ Life insurance (Mexico only). • - 🌎 Multicultural, international project teams. • - 🎓 Access to courses and certifications. • - 📢 IT-focused meetups with external expert guests. • - 📡 Virtual team-building events and interest groups. • - 📢 English classes. • - 🏆 Opportunities across multiple business units. • - 🏅 Proudly certified as a Great Place to Work.