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Senior Backend Developer (Python & AWS)

Ranking: 40

Job Description

As a Senior Backend Developer, you will be responsible for the end-to-end design, development, and maintenance of microservices and serverless functions. You will work with Python (v3.11/v3.12), implement robust security mechanisms (mTLS, token-based authentication, encryption), and support incident resolution across the platform.

This role requires a deep understanding of backend development best practices, asynchronous programming, cloud deployments, and CI/CD pipelines.

Main Responsibilities

  • Design, develop, and maintain Python microservices and AWS Lambdas.

  • Build secure, low-latency communication mechanisms using mTLS, security tokens, certificates, and identity encryption.

  • Contribute to architecture discussions and backend optimizations.

  • Provide incident support and troubleshoot issues across distributed systems.

  • Ensure high-quality code through testing (unit, integration) and best development practices.

  • Work with container-based deployments and modern AWS services.

Required Skills

  • 3+ years of professional experience in backend development with Python (v3.11/v3.12).

  • Strong knowledge of secure communication: mTLS, tokens, certificates, identity encryption.

  • Solid experience developing microservices—preferably with FastAPI.

  • Hands-on expertise in Python ecosystem tools:

    • httpx, asyncio/async, uv, Ruff, FastAPI, pytest

  • Strong understanding of development patterns, clean code principles, and testing methodologies.

  • Experience working with containers (build & run).

  • Proficiency with AWS services, particularly:

    • CloudWatch, X-Ray, AppRunner/Fargate, Lambda, DynamoDB (NoSQL)

  • Experience with CI/CD pipelines using Git, Jenkins, Sonar.

Nice to Have

  • Knowledge of LLM libraries or AI-assisted development.

Senior Backend Developer (Python & AWS)

Ranking: 40

Job Description

As a Senior Backend Developer, you will be responsible for the end-to-end design, development, and maintenance of microservices and serverless functions. You will work with Python (v3.11/v3.12), implement robust security mechanisms (mTLS, token-based authentication, encryption), and support incident resolution across the platform.

This role requires a deep understanding of backend development best practices, asynchronous programming, cloud deployments, and CI/CD pipelines.

Main Responsibilities

  • Design, develop, and maintain Python microservices and AWS Lambdas.

  • Build secure, low-latency communication mechanisms using mTLS, security tokens, certificates, and identity encryption.

  • Contribute to architecture discussions and backend optimizations.

  • Provide incident support and troubleshoot issues across distributed systems.

  • Ensure high-quality code through testing (unit, integration) and best development practices.

  • Work with container-based deployments and modern AWS services.

Required Skills

  • 3+ years of professional experience in backend development with Python (v3.11/v3.12).

  • Strong knowledge of secure communication: mTLS, tokens, certificates, identity encryption.

  • Solid experience developing microservices—preferably with FastAPI.

  • Hands-on expertise in Python ecosystem tools:

    • httpx, asyncio/async, uv, Ruff, FastAPI, pytest

  • Strong understanding of development patterns, clean code principles, and testing methodologies.

  • Experience working with containers (build & run).

  • Proficiency with AWS services, particularly:

    • CloudWatch, X-Ray, AppRunner/Fargate, Lambda, DynamoDB (NoSQL)

  • Experience with CI/CD pipelines using Git, Jenkins, Sonar.

Nice to Have

  • Knowledge of LLM libraries or AI-assisted development.

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GFT Cliente

Cliente

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Sandra Lobero

Agencia

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Paco Romero

Agencia

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Teba Gomez-Monche

Agencia

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claudia herrero

Agencia

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Hugo Herrero

Manager

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Víctor M. herrero

Evaluador

Comentarios: 3