Senior Python Developer Carnaxide

Senior Python Developer
Lisboa
Carnaxide, Lisboa, Portugal

About us

Syndicode is a
- driven software development partner with a globally distributed team of engineers, designers, architects, and IT managers. We are united by the mission to provide our clients with software products and services that perform, look, and work as designed.

We believe that our people and culture are key contributors to Syndicode’s continuous success. Shared principles, including Accountability, Involvement, Excellence, Visibility, Integrity, Innovation, Win-Win, and Flexibility, unify our team. Syndicoders are professionals who pursue
- improvement through continual learning, are eager to introduce improvements to work processes, and can analyze various sources to make sound and timely decisions.

If it sounds like you, apply for our vacancies and become a new Syndicoder!

About the role:

As a Senior Python Developer at Syndicode, you'll build reusable, scalable, and efficient backend systems that power our
- availability,
- latency applications. You will work across microservices and monolithic architectures, design APIs, integrate with cloud platforms, and push the boundaries of modern AI agentic web applications.

You’ll collaborate with
- functional teams, contribute to architectural decisions, and help us deliver intelligent, performant, and secure digital products.

What you’ll be doing:

• Development and Architecture:

  -Design and build scalable backend systems and RESTful APIs using Django and Fast
  API;
  -Work with both monolithic and microservice architectures;
  -Develop and integrate authentication mechanisms, API gateways, and security practices;
  -Ensure system performance, reliability, and fault tolerance in production environments;
  -Collaborate with stakeholders to understand business needs and deliver impactful backend solutions.
  

• Cloud & Infrastructure:
  -Deploy and manage applications on AWS or GCP;
  -Work with containerization tools like Docker; experience with Kubernetes is a plus;
  -Set up CI/CD pipelines and automation for deployments.

• Monitoring, Testing & Observability:
  -Implement observability and monitoring using tools like Prometheus, Grafana, etc;
  -Write unit, integration, and performance tests;
  -Follow TDD practices and ensure strong coverage across services.

• AI & Agentic Systems:
  -Design and implement RAG (Retrieval-Augmented Generation) pipelines;
  -Build and maintain AI Agents and Voice AI agents using frameworks like: Lang
  Chain, Llama
  Index, DSPy, or similar;
  -Integrate modern LLMs (Open
  AI, Claude, Gemini, or
  - source);
  -Apply principles of AI agentic web apps and manage Vector DBs (e. g. , Pinecone, Weaviate, Qdrant).

• Participating in Pre-sale activities, working closely with the project manager, product owner, project development team, and other key stakeholders to understand project business requirements and help translate these into technical requirements for the development team.

What You’ll Need:

• 5+ years of backend development experience, primarily with Python;
• Strong expertise in Django, Fast
  API, and REST API design;
• Hands-on experience with Postgre
  SQL, My
  SQL, Mongo
  DB, Redis, and Vector DBs;
• Proven experience with LLM integration, RAG systems, and AI agent frameworks;
• Familiarity with cloud platforms: AWS, GCP, or both;
• Solid understanding of system design, including scaling, caching, and partitioning;
• Proficiency with Git, testing frameworks, and Agile practices;
• Strong communication skills and experience working in
  - functional remote teams;
• Proficiency in English (upper-intermediate/advanced level).

Bonus Points If You Have:

• Experience with containerization and orchestration tools such asDockerand Kubernetes;
• Familiarity with CI/CD pipelines and automated deployment processes;
• Experience with event-driven architecture and messaging queues like Rabbit
  MQ or Kafka.

What you’ll get at Syndicode:

• 15 days of vacation, 11 days off for holidays, and 20 sick leave days per year;
• Hybrid work model (2–3 days per week in the office);
• Educational support;
• Internal tech meetups;
• Continuous feedback within teams and departments;
• Top-notch team;
• Ability to participate in
  - making and bring new ideas;
• Self-management: opportunity to manage your time and plan your activities;
• Dynamic
  - growing environment: we react and adapt quickly to the world’s and market changes.