2.372 Ofertas de Back End en Argentina

Buscamos un
Desarrollador Backend
para sumarse a nuestro equipo y trabajar en el desarrollo de un nuevo sistema de gestión de archivos para uno de nuestros clientes.

El foco principal del rol estará en el uso de
ElasticSearc
h,
AW
S y
Redi
s para garantizar búsquedas escalables, rápidas y seguras, así como la correcta gestión de datos en entornos de gran volumen

.El rol también incluye colaboración con otras áreas técnicas (WordPress, .NET, NodeJS, Vue, entre otros) para asegurar la integración fluida y el mantenimiento de la arquitectura existente

.Requisito

• sExperiencia comprobada en
  ElasticSearc
  h (implementación, optimización y escalabilidad)
• .Conocimientos avanzados en
  AW
• SExperiencia con
  Redi
• sManejo de
  Node.j
  s y
  JavaScrip
  t
• .Conocimiento en
  .NET (C#
  ) para integraciones puntuales (deseable
• )Experiencia trabajando con
  GitHub Action
  s o herramientas de CI/CD
• .Conocimientos básicos o experiencia deseable en
  PH
  P (WordPress

)Responsabilidade

• sDiseñar, implementar y mantener servicios backend escalables
• .Integrar y optimizar búsquedas avanzadas con
  ElasticSearc
  h
• .Mejorar la performance de aplicaciones existentes utilizando
  Redi
  s
• .Colaborar con equipos de Frontend y otras áreas para asegurar integraciones consistentes
• .Mantener buenas prácticas de desarrollo, testing y documentación

.Bueno que teng

• aExperiencia en arquitecturas distribuidas y microservicios
• .Conocimientos en seguridad de aplicaciones y buenas prácticas de performance
• .Capacidad para trabajar en entornos ágiles (Scrum/Kanban)

.Condiciones de trabaj

• oModalidad: Full Time (remoto o híbrido
• )Oportunidad de crecer en un entorno con múltiples tecnologías
• .Plan de carrera y capacitaciones continuas

.

We are looking for a passionate Back-End Developer to implement AI solutions aimed at achieving business goals (CLAi automates a multitude of business operations simple and complex alike. That includes

document reading, data entry, CRM management, calendar scheduling, and automated appointment booking.).

This role offers the opportunity to work on cutting-edge project and collaborate with a team of talented researchers and engineers in a stimulating and dynamic environment.

What you'll do

• GraphQL APIs:
   Design schemas, resolvers, and gateways (Apollo Federation), enforce contracts, manage schema lifecycle (versioning, persisted queries), and mitigate N+1 with DataLoader.
• LLM integration:
   Orchestrate OpenAI and other providers (tool calling, guardrails, evals, cost controls), build prompt pipelines and caching.
• Email at scale (DKIM/SMTP/AWS SES):
• Set up SES identities, DKIM signing, SPF/DMARC alignment.
• Implement SMTP pipelines, retries, idempotency, and rate limiting.
• Handle bounces/complaints via SNS → SQS, suppression lists, deliverability monitoring.
• Messaging & chat:
   Build reliable SMS flows (Twilio/Telnyx/SMPP), delivery tracking, and real-time chat (WebSockets/Event streams), search and threading.
• (Preferred) Voice automation:
   SIP/WebRTC basics, IVR/ASR/TTS; experience with FreeSWITCH/Asterisk is a plus.
• Horizontal scale & reliability:
   Stateless services on Kubernetes, partitioning, queues/streams (Kafka/RabbitMQ/NATS), back-pressure, circuit breaking, SLOs/on-call.
• Metrics & analytics:
   Instrument with OpenTelemetry; usage metering (e.g., OpenMeter); ship analytics dashboards (Metabase/Superset/ClickHouse/Timescale/Postgres).

Minimum qualifications

• 4+ years building production backends with 
  + TypeScript
  .
• GraphQL
   expertise (NestJS/Apollo): schema design, federation, auth patterns, persisted queries/CDN caching.
• Hands-on 
  LLM
   integration (OpenAI/Anthropic/Vertex, etc.).
• Email delivery
   with 
  AWS SES + DKIM/SMTP
   and operational deliverability (SPF/DMARC, feedback loops).
• SMS
   integrations (Twilio/Telnyx/SMPP) and real-time systems (WebSockets/SSE/pub-sub).
• Strong RDBMS skills (
  PostgreSQL
  ), plus 
  Redis
  ; testing (unit/integration), observability (logs/metrics/traces).
• Containers/Kubernetes, CI/CD, IaC basics.

Nice to have

• Voice/telephony: SIP/RTP/WebRTC, FreeSWITCH/Asterisk, ESL; STT/TTS/Whisper.
• Event-driven microservices, 
  gRPC
  , and GraphQL Federation at scale.
• Analytics stack: ClickHouse/Timescale; embedded dashboards.
• Usage-based billing/metering, multi-tenant isolation, GDPR/PII handling.
• Vector search/RAG and embeddings.

Our stack (you don't need all of it)

• , TypeScript, 
  NestJS
  , 
  GraphQL (Federation)
  , REST (auxiliary), gRPC
• PostgreSQL/Timescale, Redis; ClickHouse
• Kafka/RabbitMQ/NATS
• Kubernetes (EKS), Terraform, Docker
• OpenTelemetry, Prometheus/Grafana, Loki
• OpenAI + other LLMs; Whisper/STT/TTS
• AWS SES (DKIM/SMTP)
  , Twilio/Telnyx/SMPP, WebSockets

We are a thriving technology hub committed to driving innovation and fostering collaboration across diverse tech verticals. At the heart of technological advancement, we provide an environment where creativity meets cutting-edge technology, making us the ideal choice for tech enthusiasts and professionals.

As an international company, we are embarking on an exciting journey of expansion and growth. Our ambitious plans drive us to seek talented individuals to join our dynamic team continuously. We take pride in our multicultural and multi-office environment, which fosters a diverse and inclusive workplace. Our commitment to hard work and excellence propels us toward achieving our lofty goals.

Join us on this exciting journey as we explore new opportunities, drive innovation, and make a lasting impact in the tech world. Together, we will create experiences that thrill and engage users across the globe, establishing us as a trusted and dynamic player in the industry

We are looking for a BackEnd Engineer to join our Team, locally based in Argentina

Main job responsibilities:

• Collaborating with other team members to establish objectives and design more functional, cohesive codes to enhance the user experience
• Developing ideas for new programs, products, or features by monitoring industry developments and trends
• Building reusable code and libraries for future use
• Develop RESTful APIs
• Writing a high-performance and scalable code
• Implementation of security and data protection
• Liaise with developers, designers, and system administrators to identify new features
• Follow emerging technologies

Skills/knowledge required for the position:

• At least 3 years experience in software development
• Good level of programming skills in >=PHP8
• Ability to debug complex PHP applications (Xdebug, Profiler, and others)
• Development following different coding principles (SOLID, KISS, ACID, etc)
• Strong knowledge in developing with Symfony >=5
• Knowledge of Object-Oriented Programming and some Design Patterns
• Knowledge of RabbitMQ, Docker, ElasticSearch is a plus
• Experience with Web Services, Microservices
• Experience with AWS, GCP, Kubernetes is a plus
• Experience with Go would be a plus
• Proficient level of English

Location:
 Remote | 
Type:
 Full-Time |
Language:
Strong English required

Innovate
 is seeking an skilled 
Senior Backend Developer
 to support our growing portfolio of SaaS and AI-powered platforms across multiple projects. You'll join a high-performing team building modern tools for the automotive and dealership tech industry. The ideal candidate is a hands-on backend expert fluent in .NET (C#) with Entity Framework and , and has a proven track record of delivering scalable systems in agile environments.

Key Responsibilities

• Design, develop, and maintain robust backend solutions across several client-facing and internal projects.
• Contribute to system architecture and solution design leveraging .NET, Entity Framework, and
• Develop high-quality, production-ready code with thorough unit tests and documentation.
• Participate in Agile ceremonies: story grooming, sprint planning, retrospectives, and daily stand-ups.
• Troubleshoot and resolve technical issues across environments in collaboration with QA, frontend, and DevOps teams.
• Implement RESTful APIs and data processing services integrated with Snowflake, Azure, or AWS cloud platforms.
• Support DevOps efforts in CI/CD, cloud infrastructure, and system monitoring.
• Work across projects with shifting priorities while maintaining coding standards and velocity.

Skills & Experience

• 5+ years of backend software development experience in agile, cross-functional teams.
• Deep expertise in 
  C#
  , 
  .NET
  , and 
  Entity Framework
   for enterprise-grade systems.
• Solid experience building APIs and backend services with 
  
  .
• Proficiency with REST APIs, JSON, asynchronous patterns, and microservices.
• Experience with cloud ecosystems, particularly 
  Microsoft Azure
   and 
  AWS
  .
• Knowledge of high-throughput systems, telemetry, and database performance tuning.
• Experience with backend integrations involving identity management (e.g., Okta), Snowflake, and messaging systems.
• Familiarity with Git, CI/CD tools, and containerized environments (Docker, Kubernetes a plus).
• Strong problem-solving and communication skills with a collaborative mindset.

Nice to Have

• Background in automotive, logistics, or retail tech platforms.
• Experience working on AI or ML-based applications.
• Exposure to frontend stacks (React, TypeScript) is a plus but not required.
• Prior consulting or agency experience managing multiple client deliverables.

Why Innovate?

At Innovate, you'll work in a fast-paced environment with the stability and vision of an experienced team. You'll contribute to impactful software powering dealerships, service operations, and AI-enabled customer experiences. Join us if you're looking for variety, responsibility, and the opportunity to shape the backend of next-gen enterprise tools.

About Darwin AI

Darwin AI empowers mid-market companies by automating key business processes with AI-powered digital workers via WhatsApp. Our AI workers handle essential customer interactions, including inbound qualification, outbound reactivation, satisfaction surveys, appointment scheduling, payment collections, and more. As the only no-prompt AI solution on the market, Darwin AI enables mid-market businesses to leverage AI without requiring technical teams or expertise, offering seamless integration and immediate impact.

Join a fast-growing team that's changing the way companies think about AI and technology

About the Back-end Developer position

We are looking to hire a top talent back-end Developer to come work with us at Darwin AI )

You will work closely with our engineers to ensure system consistency and improve user experience.

Requirements

• 3+ year experience working as a Back-end developer
• Solid experience with the following programming languages:
• Python
• Golang
  You also need to have experience working with Microservices/AWS.

Benefits

• Language Classes: Access to language classes (English, Portuguese, Spanish) to enhance communication skills.
• OpenAI Premium License: Complimentary access to an OpenAI premium license for personal or professional use.
• Paid Time Off: Enjoy 25 days/year of paid vacations and holidays to recharge and maintain a healthy work-life balance.
• Soft Hybrid Work: We meet 3 days/month in our Co Work offices, the rest of the time you can work remotely from wherever you like

Are you passionate about building scalable and efficient server-side applications?

Join our Talent Community and stay on our radar for future opportunities with top-tier global clients.

• This is not an active opening. By applying, you'll be considered when a suitable role becomes available.

Are you skilled in…?

• Designing and developing robust back-end applications
• Writing clean, maintainable code in languages like , Python, Java, or C#
• Integrating with databases and third-party APIs
• Conducting thorough testing and debugging
• Collaborating with cross-functional teams
• Written and verbal English communication
• Problem-solving and teamwork

Do you have experience with…?

• Server-side frameworks and libraries
• RESTful APIs and web services
• Relational and NoSQL databases
• Microservices architecture
• Version control tools like Git

Bonus points for:

• Familiarity with Docker or other containerization tools
• Experience deploying to AWS, Azure, or Google Cloud
• Background in CI/CD pipelines
• Understanding of secure coding practices
• Exposure to agile methodologies

Does our work culture resonate with you?

• 100% remote
• People-first culture
• Excellent compensation in US Dollars
• Hardware setup for working from home
• Work with global teams and prominent brands in North America, Europe, and Asia
• Training allowances
• Personal time off (PTO) for vacation, study leave, personal time, etc.
• more

We'll contact you when a matching role opens up

En
Proguide
estamos buscando un
Backend Developer
que combine experiencia técnica sólida, pasión por la eficiencia para construir sistemas distribuidos reales que procesan eventos críticos en tiempo real, con estándares de rendimiento, resiliencia y seguridad de clase mundial

¿Qué vas a hacer?

• Diseñar y desarrollar aplicaciones backend distribuidas de alto rendimiento.
• Construir microservicios desacoplados y APIs RESTful/GraphQL robustas y eficientes.
• Optimizar arquitecturas orientadas a eventos con herramientas como Kafka y Spark.
• Aplicar CI/CD, pruebas automatizadas y prácticas de desarrollo seguro (DevSecOps).
• Utilizar IA generativa (Copilot, Cursor, etc.) para acelerar tu flujo de trabajo.
• Resolver desafíos reales de escalabilidad, disponibilidad y latencia.
• Participar en decisiones arquitectónicas, documentar procesos y guiar buenas prácticas.

Requisitos:

• +5 años de experiencia desarrollando software backend moderno.
• Conocimiento avanzado en lenguajes como Java, Python, Go o
• Experiencia con bases de datos distribuidas (SQL, NoSQL), almacenamiento cloud y herramientas como Docker/Kubernetes.
• Comprensión de seguridad en entornos distribuidos y arquitecturas tolerantes a fallos.
• Experiencia aplicando IA generativa en desarrollo (Copilot, Cursor, GPT).
• Capacidad para comunicarte de forma clara, colaborar en equipos técnicos y mantener foco en calidad.

Sumás puntos si:

• Trabajaste con arquitecturas serverless o programación funcional.
• Usaste frameworks de IA como PyTorch, TensorFlow o similares.
• Tenés experiencia en ambientes críticos, públicos o con alto volumen de datos.

Ofrecemos:

Contrato indefinido

Horario: Lunes a viernes de 9 a 18hs

Modalidad híbrida

Si estás interesado/a, no dejes de postularte

Estamos en búsqueda de 4 personas para cubrir las vacantes de Backend Software Engineer para sumarse al equipo de desarrollo de una empresa que ofrece soluciones logísticas con una fuerte base tecnológica y sustentable. Empresa que cree en conectar a las personas con sus deseos, de manera ágil, contribuyendo a que la tecnología esté al servicio de la gente, generando un impacto positivo tanto en las sociedad como en el medio ambiente.

Desde el 2022 forman parte de la red Argentina de Pacto Global reafirmando su compromiso de contribuir al desarrollo sostenible en nuestra región a través de prácticas sustentable en el modelo logístico y su programa de RSE.

Operaciones en Argentina, Chile, Colombia, México, Uruguay y Perú., y seguimos creciendo

Vas a trabajar desarrollando productos de calidad. Haciendo desarrollos de punta a punta con buenas prácticas de programación que te ayuden a creer en tu camino profesional

¿Qué desafíos te esperan? Ser responsable de mantener una arquitectura consistente en sus proyectos. Comunicar efectivamente decisiones técnicas de arquitectura e implementación del equipo, alineado y con correspondencia a la ejecución del roadmap. Involucrarse en decisiones de negocio del producto. Participar en el análisis técnico y funcional del producto.

Empresa de tecnología que brinda soluciones logísticas de punta a punta, para mejorar la estrategia de distribución en las tiendas de eCommerce de Latinoamérica. Con operaciones en Argentina, Chile, Colombia, México, Uruguay y Perú

Requisitos

¿Qué esperamos de vos para el rol? Experiencia en tecnologías de backend ( php , nodejs ). Experiencia con arquitectura orientada a microservicios. Conocimiento desarrollando APIs REST. Entender de servicios cloud (AWS / Azure / Google Cloud). Conocimientos en base de datos (SQL y NoSQL). Conocimientos de patrones de diseño. Poseer conocimientos en Git y Branch Models. Conocimientos en sistema de mensajería Conocimientos y experiencia de trabajo con metodologías ágiles

Autonomía para apropiarse de procesos y proyectos. Ganas de desafiar los procesos y modelos vigentes. Habilidad para aportar valor en un ambiente versátil y de cambios constantes.

¿Qué valoramos? Conocimientos de python. (plus)

Beneficios

Vacaciones Flex

Medicina Prepaga para vos y grupo familiar

Licencia por maternidad y paternidad extendida

Descuentos en plataformas

Convenios con Universidades para carreras de grado y posgrado

Descuentos en plataformas de e-learning

Actividades de team building

Posibilidad de desarrollarse en un ambiente flexible, dinámico y en constante crecimiento

Día de cumple libre

Regalos ocasiones especiales (nacimiento, graduación, etc)

Frutas & snacks en la oficina

entre otros

We are looking for BackEnd Developers to join a highly qualified team of technical excellence working on highly scalable cutting edge telecommunication solutions.

Department: D&D

Education: Graduated or Advanced student of Electronic Engineer

As part of the core team, you will have the following responsibilities :

• Collaborate on product analysis and design with innovative alternatives.
• Document the product design.
• Assist in defining the architecture, prioritizing scalable, secure, and robust solutions.
• Participate in database design and implementation.
• Program quality code, emphasizing proper implementation and maintainability.
• Assist in the evolutionary maintenance of the product.
• Design, document, automate, and execute test plans.

Required

• Graduated or Advanced student of Electronic Engineer.
• Advanced English proficiency.
• Experience with programming languages (Python and C++ preferred).
• Understanding of Object-Oriented Design and Programming.
• Knowledge of UML, Relational Databases/SQL, Linux/Unix environment.
• Familiarity with TCP/IP Networking.

Preferred

• Experience with telecommunications networking: NGN and IMS.
• Knowledge of VoIP protocols: SIP and RTP.
• Familiarity with Web Services: SOAP and REST.

We are committed to equity, inclusion, and diversity. We review skills based on each profile but prioritize overall attitude! We look forward to your application.

Contact us at the Condor office nearest to you or submit a business inquiry online.