995 - Backend Developer (Java) · Senior · Remoto · ARG
Disclaimer – Lectura obligatoria: Compromiso y dedicación Este rol requiere dedicación full-time, con prioridad clara sobre los proyectos de Darwoft durante el horario laboral establecido.
No es compatible con otros compromisos profesionales full-time.
Cualquier actividad competente adicional deberá ser informada previamente y no deberá interferir con las responsabilidades del rol.
Sobre Darwoft
Darwoft es una software factory dedicada al desarrollo de soluciones de software a medida y a la provisión de servicios de staff augmentation IT para clientes internacionales, con foco principal en Estados Unidos y Latinoamérica.
Colaboramos estrechamente con startups y compañías en crecimiento para impulsar productos digitales de alto impacto.
Nuestra cultura se define como people-first: priorizamos la cercanía humana, la calidad técnica, el trabajo colaborativo y la construcción de relaciones de largo plazo.
Buscamos profesionales que compartan esta visión y deseen generar un impacto real en el negocio de nuestros clientes.
Información general
Ubicación: Argentina
Tipo de contrato: Relación de Dependencia.
Industria / Proyecto: Desarrollo de productos digitales de alto impacto y escala internacional.
Zona Horaria: Horario laboral de Argentina
Sobre el Rol / About the Role
Buscamos un Software Engineer Java Senior con mentalidad de owner y una sólida trayectoria técnica para sumarse a nuestro equipo de desarrollo.
En este rol, tu misión principal será evolucionar microservicios críticos, asegurando la escalabilidad, la disponibilidad y la calidad técnica en un entorno Cloud Native .
Además, se espera que demuestres apertura hacia la innovación, apoyándote en herramientas de vanguardia (IA) para potenciar la eficiencia y optimizar el ciclo delivery del equipo.
Responsabilidades / Responsibilities
Diseñar y desarrollar microservicios robustos utilizando Java 17+ y Spring Boot, garantizando la escalabilidad del producto.
Garantizar la excelencia técnica mediante la aplicación de patrones de diseño (Clean Architecture, Hexagonal, MVC) para asegurar un código mantenible y eficiente.
Diseñar e implementar soluciones de integración y mensajería a través de APIs REST, procesos asincrónicos y arquitecturas orientadas a eventos (Queues/MQ).
Operar dentro del ecosistema Cloud & DevOps, colaborando en el despliegue y mantenimiento de servicios en AWS mediante Docker y Kubernetes.
Asegurar la calidad End-to-End del software mediante la escritura y ejecución de tests unitarios, de integración y funcionales.
Fomentar una cultura de innovación, utilizando y promoviendo el uso de agentes de IA (Copilot, Cursor, etc.) para optimizar los procesos de desarrollo.
Contribuir a la visibilidad técnica del proyecto mediante documentación clara y la detección temprana de bloqueos o riesgos que afecten al negocio.
Requisitos / Requirements
Must-Have
Experiencia comprobable de más de 5 años en desarrollo backend utilizando Java (versión 17 o superior) y el framework Spring Boot.




Sólido manejo y diseño de bases de datos Relacionales y No Relacionales.
Experiencia real con herramientas de control de versiones y flujos de trabajo (Tooling ): Git, GitLab y flujos de CI/CD (Jenkins o similares).
Familiaridad y experiencia de trabajo en entornos AWS y orquestación de contenedores con Docker y Kubernetes (K8s).
Residencia en Argentina, con disponibilidad para asistir a encuentros presenciales semanales en Córdoba o Buenos Aires.
Nice-to-Have
Conocimientos prácticos en NodeJS y TypeScript.
Experiencia previa con programación reactiva utilizando Spring WebFlux.
Manejo de herramientas para la definición y documentación de contratos (Swagger, RAML).
Foco en Observabilidad y Performance, incluyendo el monitoreo de métricas y la optimización de sistemas críticos.
Qué ofrecemos (Argentina)
Relación de dependencia ARG
Medicina prepaga de primer nivel para el grupo familiar.
Equipamiento de trabajo.
Programas de capacitación técnica y licencias para plataformas de aprendizaje.
Cultura flexible y orientada a las personas, con foco en el equilibrio vida-trabajo.
At Prometeo Talent , we connect top-tier tech and engineering professionals with companies that are shaping the future.
With a strong presence across America and Europe , we're proud to be one of the highest-rated recruitment agencies in the market.
We're currently partnering with a fast-growing US-based cybersecurity startup .
The company is building innovative security solutions that help organizations strengthen their cybersecurity posture through intelligent, scalable, and modern technology.
As an early-stage startup, you'll have the opportunity to work on complex technical challenges, contribute to product evolution, and make a direct impact on the growth and success of the platform.
About us
At Prometeo Talent , we connect top-tier tech and engineering professionals with companies that are shaping the future.
With a strong presence across America and Europe , we're proud to be one of the highest-rated recruitment agencies in the market.
We're currently partnering with a fast-growing US-based cybersecurity startup .
The company is building innovative security solutions that help organizations strengthen their cybersecurity posture through intelligent, scalable, and modern technology.
As an early-stage startup, you'll have the opportunity to work on complex technical challenges, contribute to product evolution, and make a direct impact on the growth and success of the platform.
The Opportunity
We are looking for a Senior Backend Engineer who thrives in startup environments and enjoys building scalable systems from the ground up.
This role is ideal for engineers who combine deep backend expertise with a strong ownership mindset.




You will play a key role in designing , building , and maintaining distributed systems while collaborating with a highly technical and fast-moving team.
The ideal candidate has extensive experience with Java and Python , enjoys solving complex engineering problems, and embraces AI-assisted development workflows to increase productivity without compromising quality.
Responsibilities
Design, build, and maintain scalable backend services using Java and Python.
Develop distributed systems involving databases, APIs, message queues, and data processing pipelines.
Take full ownership of features and services throughout their lifecycle, from design and implementation to monitoring and optimization.
Build production-ready systems with a strong focus on reliability, performance, and maintainability.
Collaborate closely with product and engineering teams to translate business requirements into technical solutions.
Improve system performance, scalability, and operational efficiency across the platform.
Leverage AI-assisted development tools to accelerate delivery while ensuring code quality and engineering best practices.
Participate in architectural discussions and contribute to key technical decisions as the company scales.
Continuously improve development processes, tooling, and engineering standards.
Requirements
8+ years of experience in software engineering or backend development.
5+ professional experience with Python , building and maintaining production-grade backend systems.
Strong experience with Java .
Hands-on experience with AI/LLM-based application development (AI agents, agentic systems, or LLM-powered applications)
Experience building AI-driven features, LLM integrations, or agentic workflows in production environments is highly preferred.
Solid understanding of distributed systems, scalable architectures, and asynchronous processing.
Experience working with databases, message queues, and data processing pipelines .
Hands-on experience with Docker and Kubernetes in production environments.
Proven experience building, maintaining, optimizing, and improving products after launch.
Strong ownership mindset, autonomy, and ability to thrive in startup or fast-paced environments .
Advanced English level
Nice to have
Experience working in product-focused companies, owning products beyond the initial development phase.
Experience in cybersecurity products or security-focused platforms.
Experience with Kafka, RabbitMQ, or similar messaging systems.
Experience building large-scale distributed data processing systems.
Background in high-growth startups or scale-ups.
Previous experience in large technology companies
What's in it for You
100% remote work with flexibility to work from LATAM.
Join an early-stage cybersecurity startup where your work will directly impact the product and company growth.
Be part of an engineering culture that embraces modern AI-assisted development workflows.
Company-provided laptop and equipment.
Generous PTO and regional holidays.
High ownership, autonomy, and direct influence on technical decisions.
#J-*****-Ljbffr

📌 Backend Engineer | Java/Azure | Spring Webflux & Cloud (Juan José Castelli)
🏢 Engg
📍 Juan José Castelli