As our client's data business grows, the Data Division's AI Platform Services team is building applications and platforms for customers using data in AI and ML projects. As a Senior Software Engineer, Backend, you will build the APIs, services, integrations, and data-access systems behind those products. You will help make complex data workflows reliable, secure, observable, and scalable for customer-facing and internal applications.

Responsibilities

- Build and evolve reliable backend services, GraphQL and REST APIs, and integrations that power customer-facing and internal applications.

- Design and maintain clear API contracts and data-access patterns for application workflows.

- Work with relational and NoSQL databases to deliver dependable, scalable application behavior.

- Build asynchronous and event-driven processing where it improves product workflows and system resilience.

- Improve testing, observability, performance, and operational readiness for the systems you own.

- Own substantial work from implementation through deployment, production support, and incremental improvement.

- Partner with frontend engineers, product, design, and data teams to deliver useful product capabilities.

- Contribute to code reviews, shared engineering practices, and peer learning.

Requirements

- Experience making significant contributions to production backend systems, APIs, or services.

- Agentic development is a core part of how you work: you use it deliberately to explore, build, and deliver projects, and can articulate the practices that make it effective.

- Strong experience with TypeScript and Python for server-side application development.





- Experience designing, building, and integrating GraphQL and REST APIs.

- Experience with relational databases such as PostgreSQL or MySQL, and NoSQL systems such as DynamoDB or Cloud Firestore.

- Experience building and operating serverless functions with AWS Lambda or Cloud Run functions.

- Experience with automated testing, debugging, and production support for distributed or service-based systems.

- Familiarity with Git-based collaboration and continuous-integration workflows.

- Strong communication skills and a constructive approach to pull-request reviews and peer mentorship.

Nice to have

- Experience with GCP services such as Cloud Run and GKE for application workloads, Pub/Sub for asynchronous processing, and Cloud SQL.

- Experience with authentication, search, and cloud infrastructure.

- Experience with messaging, queues, and event-driven architectures.

- Experience building services for AI-enabled products and data-intensive workflows.

- Familiarity with observability tools and using production signals to guide performance and reliability improvements.

- Experience integrating services with external APIs and MCPs.

We offer*

- Adaptable working format - remote, office-based or flexible
- A competitive salary and good compensation package

- Personalized career growth

- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

- Active tech communities with regular knowledge sharing

- Education reimbursement

- Memorable anniversary presents

- Corporate events and team buildings

- Other location-specific benefits
- not applicable for freelancers

📌 Senior Python Engineer (with TypeScript and Agentic development experience) (Medellín)
🏢 N-Ix
📍 Medellín