Mission.dev
Mission.dev

Back End Developer

May 28, 2025
Other
Remote · Latin America
Mid-Senior level
Back-end Developer
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Agreement type: contract, 40 hours/week.

Location of the engineer: remote, can be based anywhere in LATAM.

Our company description

Mission is a platform for hiring, vetting and managing software development talents. It enables our clients to connect with the world’s best talent to build mission-critical software products.

About the client

A leading provider of home repair, maintenance, and improvement solutions, serving millions of customers nationwide. Specializing in appliance repair, HVAC services, and home warranties, the company ensures reliable and efficient home care. With decades of expertise, it continues to innovate and streamline home care through technology and customer-focused solutions.

About the role

We’re looking for a Java/Spring Boot Engineer to join our high-impact engineering team. In this role, you’ll design and build scalable, resilient, and secure backend systems that power mission-critical applications. You’ll work alongside world-class engineers, product managers, and designers to solve complex problems and deliver elegant, user-centric solutions—at scale. This is a hands-on leadership position ideal for someone who thrives on technical ownership, has a passion for clean architecture and modern DevOps practices, and is eager to shape the future of backend systems in a fast-paced, product-driven environment.

What You’ll Do

  • Design & develop distributed microservices using Java 17+ and Spring Boot, applying clean architecture and domain-driven design (DDD).
  • Build resilient, event-driven systems with Spring Cloud, Kafka or RabbitMQ, and circuit breakers.
  • Automate service lifecycle with CI/CD pipelines, container orchestration (Docker/Kubernetes), and robust health monitoring.
  • Optimize performance through JVM tuning, efficient Spring Data/JPA strategies, Redis caching, and code profiling.
  • Secure services using Spring Security, OAuth2, JWT, and implement robust testing with JUnit 5 and Testcontainers.
  • Define and evolve API contracts using OpenAPI/Swagger, while contributing to shared libraries and internal platforms.
  • Champion progressive delivery using feature flags, canary releases, and A/B testing tools like LaunchDarkly or Split.io.
  • Own features end-to-end—from technical design through production support—with a focus on reliability, observability, and maintainability.
  • Mentor and support teammates through code reviews, pairing sessions, and internal knowledge sharing.
  • Collaborate with cross-functional teams (Product, Design, Data, DevOps) to scope and deliver impactful features.
  • Continuously improve engineering workflows, tools, and automation to increase delivery speed and code quality.

What You Bring

  • 5+ years of experience building and operating high-throughput Java services in production using Spring Boot.
  • Deep expertise in the Spring ecosystem: Core, Boot, WebFlux or MVC, Data, Security, and Spring Cloud.
  • Proficiency with asynchronous messaging and event-driven architecture—Kafka, Pulsar, or equivalent.
  • Strong command of JVM internals, garbage collection, performance tuning, and monitoring tools.
  • Experience with Docker, cloud-native development (AWS, GCP, or Azure), and infrastructure as code.
  • Solid grasp of software security, encryption, and best practices for securing APIs and user data.
  • Fluency in computer science fundamentals: algorithms, data structures, distributed systems, design patterns.
  • Comfort with modern CI/CD practices, trunk-based development, and test automation across the stack.
  • Familiarity with AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude) and pragmatic use of them in daily work.
  • Strong written and verbal communication skills; ability to lead projects, guide peers, and drive alignment across teams.
  • A continuous learning mindset and a passion for clean, maintainable, and scalable code.