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Inetum

Global IT services for digital transformation

Backend Developer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeLima, PeruPEN6.8k - PEN7.3k /moIn-person

About the Job

Requirements

  • Experience with Python 3.x, JavaScript/TypeScript with Node.js LTS, and C# .NET.
  • Experience with FastAPI or Flask, and Express or NestJS.
  • Knowledge of AWS S3, Lambda, API Gateway or ALB, Step Functions or EventBridge, CloudWatch, and IAM.
  • Knowledge of Parquet partitioning and compression; DynamoDB single-table modeling, GSIs, and TTL; MongoDB aggregation pipelines and compound indexes; and Elasticsearch index templates, mappings, queries, and bulk ingestion.
  • Knowledge of SQS/SNS or basic Kafka.
  • Experience with PyTest/Jest, linters such as ruff/flake8 and eslint, typing with mypy/TypeScript, and contract testing.
  • Knowledge of microservices and data architecture.
  • Knowledge of pragmatic SQL and data modeling.
  • Knowledge of caches such as Redis, websockets, and GraphQL.

Responsibilities

  • Design and develop secure, scalable REST/GraphQL APIs using Python with FastAPI or Node.js with Express/Nest.
  • Implement batch jobs and ETL/ELT on AWS using Lambda, Batch, Step Functions, or ECS/Fargate, reading and writing Parquet files in S3.
  • Model and optimize data in DynamoDB using PK/SK, GSIs, and access patterns; in MongoDB using collections, indexes, and aggregations; and in Elasticsearch using mappings, analyzers, and ILM.
  • Implement observability using structured logs, metrics, and traces.
  • Ensure security using IAM, KMS, Secrets Manager, JWT/OAuth2, and OWASP API practices.
  • Collaborate with architecture and data teams to define contracts and schemas.

Desired Qualifications

  • Experience with ECS/Fargate or AWS Batch.

About the Company

Inetum

Global IT services for digital transformation

Inetum provides IT services for digital transformation in 26 countries, serving enterprises, SMEs, and public sector clients. It offers cybersecurity, cloud computing, predictive maintenance, and augmented reality, delivered through consulting, managed services, and proprietary software. It differentiates itself through a broad service portfolio, strategic partnerships with Microsoft and Sage, and a focus on tailoring solutions to fit each client’s needs. Its goal is to help clients adapt to a changing digital landscape, improving business agility and creating economic, managerial, and social opportunities.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Saint-Ouen, France
Founded
1995

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