Mendel
Posted 6mo ago

Sr Backend Developer - Java

Mendel
Buenos Aires, Buenos Aires, Argentina
HybridFull Time
Responsibilities
  • Designing features
  • Implementing services
  • Collaborating cross-team
Requirements
  • Strong Java 17/21
  • Microservices
  • AWS Aurora
  • Distributed systems
  • Cross-team collaboration
  • Continuous learning
Technical tools mentioned
JavaAWSAuroraMicroservicesGitDistributed Systems

Job description

Estamos buscando un/a Sr Backend Engineer para sumarse a Mendel. Esta oportunidad permite desarrollar y mantener nuestros servicios backend, resolviendo desafíos técnicos complejos para nuestros usuarios. Buscamos personas con fuerte conocimiento en Java y visión de producto, con ganas de construir a largo plazo.

  • Modalidad: híbrida - 3 veces por semana a la oficina, 2 home office - Oficinas en Palermo, CABA

  • Sueldo USD, Contractor

Lo que harás:

  • Diseñar e implementar nuevas funcionalidades requeridas por nuestras aplicaciones móviles, en colaboración con equipos de producto, mobile, plataforma y otros ingenieros backend.

  • Mejorar los sistemas existentes corrigiendo bugs, optimizando el uso de recursos y asegurando escalabilidad.

  • Entregar código a producción y funcionalidades a usuarios de manera frecuente e incremental.

  • Desarrollar herramientas internas que mejoren nuestras prácticas de desarrollo.

  • Participar en revisiones de código para elevar la calidad de nuestro producto.

  • Hacerte responsable de tu código en producción.

  • Colaborar con el equipo de Customer Experience cuando los usuarios tengan problemas con la app.

Requisitos:

  • Experiencia sólida en desarrollo con Java 17 y/o 21

  • Microservicios

  • Base de datos RDS Aurora - AWS

  • Experiencia en sistemas distribuidos en entornos productivos.

  • Habilidades de colaboración entre equipos, ya que trabajamos de manera muy transversal.

  • Mentalidad de aprendizaje constante, con curiosidad por comprender y mejorar.

  • Capacidad de apropiarse de los problemas y resolverlos de punta a punta.



About Mendel

AI-powered spend management and corporate card platform for LATAM enterprises.

Year founded
2021
Organization type
Private
Latest investment
Raised $35.00M Series B (2025) — led by Base10 Partners
Headquarters
MX

Similar jobs

Backend Developer roles near Buenos Aires, Buenos Aires
2w
Save
Mark Applied
Hide
Senior Backend Developer (Java)
Buenos Aires, Buenos Aires, Argentina
HybridFull Time
AppDirect
AppDirect: Platform for selling and managing digital subscription services.
5+ YOE5+ years backend experience; strong Java/Spring Boot and Node.js/Next.js; MongoDB and/or MySQL; microservices, CI/CD, containers, automated testing; production ownership and mentoring; fluent English.
Java, Spring Boot, Node.js, Next.js, MongoDB, MySQL, CI/CD
2w
Save
Mark Applied
Hide
Senior Backend Engineer – Customer Focus Group (CFG)
Buenos Aires, Buenos Aires, Argentina
RemoteFull Time
Commit
Commit: End-to-end software, cloud, and cybersecurity consulting and development.
5+ YOE5+ years backend development with Node.js/TypeScript, microservices and API design, SQL/NoSQL, cloud platforms, CI/CD, strong problem-solving and customer-facing collaboration skills.
Node.js, TypeScript, SQL, NoSQL, AWS, Azure, GCP, CI/CD
2w
Save
Mark Applied
Hide
Backend Developer (Argentina)
Buenos Aires or Argentina
$45-$80/hr RemotePart Time
Anyone AI
Anyone AI: A that sources and evaluates realistic software engineering tasks and solutions for AI research and development.
3+ YOE3–7 years software engineering experience, advanced written English, strong Python and JavaScript/TypeScript, working knowledge of Java/C#/Go, testing framework experience, debugging and code-review skills.
Python, JavaScript, TypeScript, Java, C#, Go, pytest, Jest, JUnit, xUnit, Go testing
3w
Save
Mark Applied
Hide
Backend Engineer - Python
Buenos Aires, Buenos Aires, Argentina
HybridFull Time
Beyond
Beyond: Design and technology agency building digital products and AI experiences.
6+ YOE6+ years backend experience with Python, GCP and AI; strong DevOps skills (Docker,Kubernetes,Terraform); experience building production AI features and excellent English communication.
Python, Google Cloud Platform, Vertex AI, Vertex Vector Search, App Engine, Cloud Run, GKE, Cloud Functions, BigQuery, Cloud SQL, FastAPI, Flask, Django, Terraform, Docker, Kubernetes, Pinecone, LangChain, LlamaIndex, CI/CD
1mo
Save
Mark Applied
Hide
Senior Backend Developer
Copenhagen or Dallas or Dubai or London or Miami or Pune or Buenos Aires or Bogota or Mexico or Singapore
OnsiteFull Time
CellPoint Digital
CellPoint Digital: Payment orchestration platform for the travel and hospitality industry.
Experienced backend engineer with strong production experience building distributed systems, preferably using Go; familiarity with microservices, event-driven architecture, REST APIs, CI/CD, Docker/Kubernetes, cloud platforms, and AI-assisted development tools.
Go (Golang), Google Cloud Platform (GCP), Temporal, Docker, Kubernetes, CI/CD pipelines, GitHub Copilot, Cursor, Claude Code, ChatGPT, Windsurf, VS Code, JetBrains, Microsoft Azure, AWS
1mo
Save
Mark Applied
Hide
Backend Engineer (Contract - LATAM)
San Francisco or Buenos Aires or Argentina
RemoteContract
Nexus
Nexus: Develops a zero-knowledge Layer 1 blockchain for verifiable finance.
Experience building production backend systems; proficiency in Node.js, Rust, Go, or Python; relational DB and API design experience (PostgreSQL preferred); strong English communication and track record of shipping reliable software.
Node.js, Rust, Go, Python, PostgreSQL, Docker, Kubernetes, Terraform, AWS
2mo
Save
Mark Applied
Hide
Lead Backend Engineer – Automation & Platform Implementation
Buenos Aires or Argentina
RemoteFull Time
Assembly Industries
Assembly Industries: Automating business processes using AI and managed offshore teams.
4+ YOE4+ years building production backend systems with Java and NoSQL; experience with Python, microservices, distributed systems, workflow engines, and LLM/RAG-aware architectures; customer-facing implementation experience.
Java, MongoDB, Firestore, Couchbase, Python, Temporal, Airflow, Camunda, OAuth
2mo
Save
Mark Applied
Hide
Backend Engineer Ssr (Java, Kotlin, Go) - Credit Core
Buenos Aires, Buenos Aires, Argentina
HybridFull Time
Pomelo
Pomelo: Financial infrastructure platform for card issuance and processing.
3+ YOE3+ years backend experience (Java, Go, or Kotlin), distributed/event-driven architecture, OOP, DynamoDB, AWS; knowledge of microservices; event sourcing, DDD, TDD and credit experience preferred.
Java, Kotlin, Go, DynamoDB, AWS