9.609 Ofertas de Back End Developer en Colombia

Requirements:

• 3+ years of experience in backend development with Python 3.
• Advanced knowledge of SQL (PostgreSQL preferred).
• Strong understanding of API development (FastAPI, Flask, or similar).
• Understanding of  data modeling fundamentals
• Knowledge of Git and collaborative development workflows.

Nice to have:

• Experience with Polars, DuckDB, or similar data analysis tools.
• Experience with Redis or similar caching.
• Experience with GCP.
• Familiarity with dimensional modeling/data warehouse concepts.
• Knowledge of TypeScript &
• Background in financial/operational data.

Responsibilities:

• Design pipelines that connect to over 100 systems (APIs, CSV, ODBC).
• Build scalable connectors for ERPs, CRMs, HRIS, and production systems.
• Use Polars and DuckDB to process diverse datasets.
• Combine operational and financial data into KPIs.
• Enhance the multidimensional time-series modeling engine.
• Build high-performance APIs (FastAPI, Arrow Flight).
• Implement caching and enrichment layers.
• Develop anomaly detection and predictive analytics.
• Generate intelligent mapping suggestions that link operational drivers to financial outcomes.

Your first 90 days' assignments:

• Week 1–2: Ship your first small improvement.
• Month 1: Build or improve a data connector.
• Month 2: Own a performance optimization.
• Month 3: Lead design of a new AI-powered feature.

We're seeking a seasoned
Senior Back-End Developer
to lead a critical modernization effort of our legacy Java infrastructure. This is a hands-on, high-impact role focused on integrating our monolithic Java server with
Auth0
, enhancing identity management, and evolving our database schema to support new organizational and user models.

Responsibilities

• Refactor and extend existing Java back-end services to integrate with
  Auth0
  for authentication and authorization.
• Implement support for
  SSO
  ,
  SAML
  , and
  identity provider federation
  .
• Redesign and update
  MySQL
  database schema to accommodate
  Auth0 Organizations, Users, and Connections
  .
• Collaborate with front-end developers, DevOps, and product teams to ensure seamless integration and deployment.
• Document architecture changes and provide technical guidance throughout the project lifecycle.

Required Skills

• Strong proficiency in
  Java
  ,
  Maven
  , and
  Hibernate ORM
  .
• Solid experience with
  MySQL
  and relational database design.
• Deep understanding of
  identity federation
  ,
  SSO
  , and
  SAML protocols
  .
• Proven track record of working with
  Auth0
  or similar identity platforms.
• Ability to work independently and communicate effectively in a cross-functional team.

Nice to Have

• Experience modernizing monolithic applications.
• Familiarity with microservices architecture and RESTful APIs.
• Exposure to CI/CD pipelines and containerization (Docker, Kubernetes).

What We Offer:

• Competitive salary and benefits package
• Full remote work flexibility
• Independant contractor
• Work with cutting-edge technologies in a dynamic, collaborative team
• Birthday bonus
• Access to 500+ lifelong learning courses and development opportunities
• Fast-track leadership growth paths for senior professionals
• Open-door policy with a global, inclusive team culture

Important: CVs submitted in Spanish will not be considered. Please ensure your resume is in English.

Adastra Culture Manifesto: Careers in Colombia | Adastra

Ready to take ownership of a transformative project? Apply now and help us build a secure, scalable future.

Sobre el Desafío

Diseñar y desarrollar soluciones backend seguras, eficientes y escalables en un entorno de microservicios, utilizando servicios de AWS y prácticas modernas de desarrollo. Serás responsable de crear y optimizar APIs de alto rendimiento para entornos de alta carga, garantizando el acceso ágil y seguro a los datos.

¿Cuál será tu rol?

• Diseñarás arquitecturas escalables, resilientes y de alto rendimiento basadas en microservicios, utilizando servicios de AWS como Lambda y ECS.
• Implementarás y optimizarás APIs, asegurando su rendimiento y seguridad en entornos de alta demanda.
• Gestionarás y optimizarás bases de datos relacionales y NoSQL, trabajando con tecnologías como PostgreSQL, MySQL, MongoDB y DynamoDB.
• Diseñarás y mantendrás pipelines de CI/CD utilizando herramientas como GitHub Actions o GitLab CI, con foco en automatización y eficiencia.
• Aplicarás buenas prácticas en confiabilidad, observabilidad y monitoreo para garantizar la alta disponibilidad de los sistemas.
• Escribirás código limpio, mantenible y eficiente, principalmente en Python y JavaScript.
• Participarás activamente en discusiones técnicas y revisiones de código, aportando a la calidad y solidez de las soluciones desarrolladas.
• Además, mentorizarás a otros ingenieros y colaborarás con equipos multifuncionales (producto, diseño, DevOps), contribuyendo a una visión integral del desarrollo de software.

¿Qué buscamos?

• Título universitario en Ingeniería en Sistemas, Ciencias de la Computación o campos afines.
• Experiencia sólida en arquitectura de microservicios y sistemas distribuidos.
• Desarrollo backend sobre AWS (Lambda, ECS, S3, RDS, DynamoDB).
• Diseño e implementación de APIs (REST, GraphQL, gRPC).
• Desarrollo con Python y JavaScript.
• Bases de datos relacionales y NoSQL.
• Contenerización y orquestación: Docker, Kubernetes.
• Infraestructura como código: Terraform, CloudFormation.
• Automatización y despliegue continuo: CI/CD.

Competencias Claves:

-Capacidad para colaborar con equipos multidisciplinarios.

-Liderazgo técnico y vocación de mentoría.

-Proactividad, autonomía y enfoque en resultados.

¿Qué ofrecemos?

-Espacio de trabajo colaborativo y de innovación.

-Esquema 100% remoto. horario local mx.

-Compensación en dólares.

En VON DER HEIDE, creemos que el talento es el motor del éxito, y nuestra pasión es acompañar a las organizaciones en la construcción de equipos que generen impacto en su búsqueda de evolución.

Si te sientes identificado con esta oportunidad y quieres potenciar tu carrera en un entorno desafiante y con proyección, te invitamos a postularte.

Company Description

NexAgency is building the automation and routing infrastructure behind modern insurance agencies. Our platform connects AI agents, bots, and humans in one seamless workflow, turning complex back-office processes into simple, scalable, and measurable experiences. We are a remote-first startup with team members across the U.S., Colombia, and the Philippines, working together to redefine how the insurance industry operates.

Role Description

This is a
full-time, remote role
for a
Backend Developer (Python/FastAPI)
. You'll design and develop the core backend systems powering NexAgency's routing engine and automation agents. You will build APIs and microservices with
FastAPI
, integrate with third-party platforms, and collaborate with AI engineers to bring intelligent workflows to life. Security, scalability, and performance are central to this role.

Responsibilities

• Develop and maintain backend services and APIs using
  Python + FastAPI
• Design scalable architectures for automation and task orchestration
• Work with databases (Postgres/Supabase) to handle structured task data
• Integrate ML/AI models for real-time classification and decision-making
• Ensure secure handling of sensitive data through encryption and authentication
• Collaborate closely with frontend, UX/UI, and AI teams in a fully remote environment

Qualifications

• 3+ years of professional backend development experience
• Strong proficiency in
  Python and FastAPI
  (required)
• Experience with
  relational databases
  (PostgreSQL preferred)
• Knowledge of
  machine learning frameworks
  (scikit-learn, PyTorch, or TensorFlow) is a plus
• Familiarity with
  cloud platforms
  (AWS, GCP, or Azure)
• Understanding of security and encryption best practices
• English proficiency (Intermediate to Advanced)
• Ability to work independently in a fast-paced, remote-first startup

About the Role

We are looking for a
Senior Backend Developer
with strong technical expertise and a passion for building scalable, high-quality systems. You will play a key role in designing, developing, and maintaining the backend architecture that powers our digital platforms, collaborating closely with cross-functional teams.

What You'll Do

• Develop and maintain backend services with a focus on scalability, performance, and reliability.
• Design and optimize APIs (REST and GraphQL).
• Work with relational and NoSQL databases.
• Contribute to microservices-based architectures.
• Deploy and manage applications using Docker and Kubernetes.
• Collaborate with frontend developers, product managers, and other stakeholders.
• Ensure coding best practices, testing, and security standards.

What We're Looking For

• 5–8 years of proven experience in backend development.
• Proficiency in
  , Python, Java, and Laravel
  .
• Solid knowledge of
  databases
  (relational and/or NoSQL).
• Hands-on experience with
  Docker, Kubernetes, and microservices
  .
• Strong understanding of
  API design and integration
  .
• English level
  B2 or higher
  .
• Team player with a proactive mindset and problem-solving skills.

What We Offer

• Competitive monthly salary.
• Flexible working model (remote).
• Opportunity to work on impactful international projects.
• Professional growth and learning opportunities.

¿Eres un desarrollador apasionado por la inteligencia artificial y los LLMs? ¿Te gustaría hacer parte de un ambiente de rápido crecimiento e innovación continua? Si así es, tenemos una oportunidad para ti

Estamos buscando un desarrollador talentoso para unirse al equipo de TechD. En este rol, tendrás la oportunidad de participar en proyectos de vanguardia, colaborar con profesionales experimentados que pueden ayudarte a crecer en tu carrera, y tener un gran impacto en el futuro de la inteligencia artificial.

Responsabilidades:

• Colaborar en proyectos de vanguardia que involucran integraciones de LLMs y APIs.
• Trabajar con servios de AWS para construir soluciones a gran escala que sean seguras y robustas.
• Asistir en la consecución de proyectos de software dentro de presupuestos definidos.
• Participar en el diseño, desarrollo y fase de pruebas unitarias y de integración de aplicaciones web, apuntando siempre por resultados de gran calidad.

Habilidades:

• Experiencia con y AWS
• Manejo de integraciones de APIs
• Familiaridad con LLMs y posterior integración de los mismos a través de múltiples productos.
• Excelente comunicación y trabajo en equipo. Preferiblemente tener experiencia en equipos remotos.

Beneficios:

• Oportunidad inigualable de trabajo en proyectos innovadores de inteligencia artificial
• Hacer parte de un equipo donde prima la colaboración y el apoyo mutuo.
• Salario competitivo y beneficios.

Si estas listo para llevar tu carrera al siguiente nivel, y ser parte de un gran equipo, queremos saber de ti

Main Responsibilities

• Backend development using
  Python or JavaScript )
  .
• Design, build, and consume
  RESTful APIs
  .
• Integrate with
  Azure DevOps API
  and manage repositories (Azure DevOps / GitHub).
• Design, query, and manage
  SQL and NoSQL databases
  (MySQL, PostgreSQL, MongoDB).
• Support and deployment in
  cloud computing environments
  (Azure, AWS, or GCP).
• Collaborate within teams using
  Agile methodologies
  (Scrum / Kanban).
• Ensure the
  quality, security, and scalability
  of developed solutions.

Requirements

• Bachelor's degree in
  Computer Science, IT, or related field
  .
• 4+ years of experience in
  backend and API development
  .
• Hands-on experience with
  Python
• Experience with
  Azure DevOps API
  (preferred).
• Knowledge of
  cloud computing
  (Azure, AWS, or GCP – basic to intermediate level).
• Proven experience working in
  Agile teams
  .
• Advanced English (mandatory)
  for interaction with international teams.

Soft Skills

• Ability to work in
  multidisciplinary and multicultural teams
  .
• Proactive
  and eager to learn new technologies.
• Strong
  communication and teamwork skills
  .
• Adaptability
  to dynamic and technological environments.

Direct message the job poster from Ascendion

Role Overview

As a Backend Engineer, you will be key in building and maintaining Studio AI's core infrastructure. You will work closely with AI engineers, front-end developers, and cloud architects to develop scalable backend solutions using Java, Spring Boot, and Azure cloud services. This role requires expertise in API development, microservices architecture, and cloud-based deployments.

You will be responsible for designing robust and scalable backend services, ensuring seamless integration with AI models, and optimizing system performance for enterprise-scale workloads.

Key Responsibilities

• Backend Architecture & Development: Design, develop, and maintain scalable, high-performance backend systems using Java, Spring Boot, and microservices architecture.
• API & Microservices Development: Build RESTful and GraphQL APIs to support AI-driven content creation, retrieval, and automation workflows.
• Cloud Infrastructure & Deployment: Deploy and optimize backend services on Azure Cloud, leveraging Azure Kubernetes Service (AKS), Azure Functions, and Azure DevOps pipelines.
• Database & Storage Optimization: Design and maintain efficient SQL and NoSQL databases (e.g., PostgreSQL, CosmosDB) for AI-powered data processing.
• Security & Compliance: Implement enterprise-grade authentication, authorization, and data protection mechanisms using OAuth, JWT, and Azure Active Directory.
• Scalability & Performance Tuning: Optimize API response times, database queries, and caching strategies to support large-scale AI applications.
• AI Model Integration: Work with AI engineers to integrate LLMs , vector search, and machine learning models into the backend pipeline.
• Monitoring & Troubleshooting: Implement observability tools such as Prometheus, Grafana, and Azure Monitor to track system health, performance, and error rates.
• Cross-functional collaboration: Work closely with front-end developers, AI engineers, and cloud architects to ensure seamless integration between backend services and AI workflows.

Required Skills & Qualifications

• Education: Bachelor’s or Master’s in Computer Science, Software Engineering, or a related field.
• Experience: 5+ years of experience in backend development with a focus on Java and cloud-based architectures.

Technical Proficiency:

• Strong proficiency in Java, Kotlin, Spring Boot, and microservices architecture.
• Experience with RESTful and GraphQL API development.
• Experience with SQL and NoSQL databases such as PostgreSQL, CosmosDB, or MongoDB.
• Familiarity with event-driven architectures and message queues (e.g., Kafka, RabbitMQ).
• Strong knowledge of authentication and security frameworks (OAuth2, JWT, SAML).
• Experience with CI/CD pipelines, containerization (Docker, Kubernetes), and Infrastructure as Code (Terraform, Bicep).

Preferred Skills & Experience

• AI-Driven Backend Development: Experience integrating backend services with AI and machine learning models.
• Vector Databases & Search Optimization: Knowledge of Milvus, Pinecone, or Elasticsearch for AI-powered knowledge retrieval.
• GraphQL & Event-Driven APIs: Experience with GraphQL, gRPC, and asynchronous event processing.
• Azure Cognitive Services & AI Integration: Understanding of Azure OpenAI, Azure AI Services, and LLM deployment.
• Performance Monitoring & Observability: Hands-on experience with Prometheus, Grafana, Azure Monitor, and distributed tracing tools.

Mid-Senior level

Full-time

Information Technology

Technology, Information and Internet

Get AI-powered advice on this job and more exclusive features.

NexAgency is building the automation and routing infrastructure behind modern insurance agencies. Our platform connects AI agents, bots, and humans in one seamless workflow, turning complex back-office processes into simple, scalable, and measurable experiences. We are a remote-first startup with team members across the U.S., Colombia, and the Philippines, working together to redefine how the insurance industry operates.

Role Description

This is a full-time, remote role for a Backend Developer (Python/FastAPI) . You’ll design and develop the core backend systems powering NexAgency’s routing engine and automation agents. You will build APIs and microservices with FastAPI , integrate with third-party platforms, and collaborate with AI engineers to bring intelligent workflows to life. Security, scalability, and performance are central to this role.

Responsibilities

• Develop and maintain backend services and APIs using Python + FastAPI
• Design scalable architectures for automation and task orchestration
• Work with databases (Postgres/Supabase) to handle structured task data
• Integrate ML/AI models for real-time classification and decision-making
• Ensure secure handling of sensitive data through encryption and authentication
• Collaborate closely with frontend, UX/UI, and AI teams in a fully remote environment

Qualifications

• 3+ years of professional backend development experience
• Strong proficiency in Python and FastAPI (required)
• Experience with relational databases (PostgreSQL preferred)
• Knowledge of machine learning frameworks (scikit-learn, PyTorch, or TensorFlow) is a plus
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• Understanding of security and encryption best practices
• English proficiency (Intermediate to Advanced)
• Ability to work independently in a fast-paced, remote-first startup

• Mid-Senior level

• Full-time

• Engineering and Information Technology

• Technology, Information and Internet

Bogota, D.C., Capital District, Colombia 13 hours ago

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