Senior Software Engineer Jobs

Senior Software Engineer

Implicity

Location:
France, Paris

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

55000.00 - 60000.00 EUR / Year

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Job Description:

We're hiring a Senior Software Engineer to join Data Platform squad. We are looking for a Senior BackEnd Engineer to join our Data Platform team, with strong expertise in TypeScript and Java to design and optimize our critical data pipelines. You will play a key role in orchestrating data flows that power our medical monitoring systems. The Data Platform team is responsible for the management and processing of large volumes of data, ensuring its governance and accessibility across the company.

Job Responsibility:

Develop and maintain scalable backend applications with a focus on data-intensive workflows
Design, implement, and optimize ETL pipelines for efficient data processing
Work with streaming and batch data processing frameworks (Apache Kafka, Spark, Flink)
Optimize relational (PostgreSQL, MySQL) databases for performance
Ensure data integrity, reliability, and scalability across distributed systems
Collaborate with data scientists, analysts, and DevOps teams to integrate data-driven solutions
Deploy and manage applications in cloud environments (AWS) using CI/CD pipelines

Requirements:

Master's degree in Computer Science, Data Engineering, or equivalent
5+ years of experience in backend development
Strong experience in backend development (Java, Node.js)
Hands-on experience with data engineering tools (Airflow, dbt, Kafka, Spark, Flink)
Solid understanding of SQL and NoSQL databases, including query optimization
Familiarity with cloud data services (AWS Redshift, Google BigQuery, Snowflake)
Knowledge of containerization and orchestration (Docker, Kubernetes)
Experience working with APIs and integrating data from multiple sources
Highly aware of secure development practices (Top 10 OWASP)
At least one experience in a micro-services architecture
At least one experience in a high scale production environment
Familiar with production development workflow (code reviews, branching models)
Familiar with Testing practices
Good documentation skills
Fluency in both English (essential for team collaboration) and French (for local interaction) is required
Curiosity and AI usage: We actively embrace working with AI productivity tools such as Cursor, Windsurf, or Copilot to solve problems, sharpen code quality, and maximize efficiency. Fully leveraging AI in our daily work is not just encouraged—it’s an essential strength we cultivate
You enjoy working in a fast-paced and ever-changing environment
Strong work ethic & daily act with integrity, honesty and fairness
Definitely a thoughtful team player, looking to make your colleagues successful

Nice to have:

Already practiced TDD
Knowledge of Avro, Parquet, or Protobuf is a plus
Open source project development experience
Knowledge or interest in the MedTech sector is a plus!

What we offer:

Health care plan: Alan (50% employer)
Luncheon voucher: 9€ (50% employer)
Transport: 50% of your pass OR sustainable mobility pass
Eligible for stock option (BSPCEs) according to the company's existing rules
Regular team events, especially every Thursday evenings
Shareholder: you will be incentivized with company equity

Additional Information:

Job Posted:
December 09, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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