Join a fast-evolving digital content environment as a Senior Back-end Developer (C# .NET) to contribute to the design, development, and optimization of robust APIs and core back-end systems. This role requires strong expertise in C# and .NET Core development, solid experience with SQL databases, and good knowledge of REST APIs and/or gRPC architecture. You will work within an agile development environment, collaborating with cross-functional teams to deliver features efficiently.
Key Highlights
Design, develop, and maintain scalable back-end services and APIs using C# and .NET Core
Ensure the performance, reliability, and security of existing systems
Participate in system architecture design and technical decision-making for back-end solutions
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Key Responsibilities
Design, develop, and maintain scalable back-end services and APIs using C# and .NET Core
Ensure the performance, reliability, and security of existing systems
Participate in system architecture design and technical decision-making for back-end solutions
Implement unit tests, follow coding standards, and ensure high-quality code through regular code reviews
Work within an agile development environment, collaborating with cross-functional teams to deliver features efficiently
Technical Skills Required
C# .NET Core
SQL databases
REST APIs
gRPC architecture
CI/CD pipelines
source control systems
modern development workflows
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Benefits & Perks
Freelance contract opportunity until end of December 2026
Fully remote working arrangement within France
Opportunity to work on high-traffic, large-scale digital platforms
Job Description
You will join a fast-evolving digital content environment where back-end engineering plays a central role in delivering scalable, high-performance services to millions of users worldwide. As part of a senior technical team, you will contribute to the design, development, and optimization of robust APIs and core back-end systems that power a personalized reading experience across multiple platforms. The role offers a strong focus on architecture, performance, and reliability in a product-driven organization. You will collaborate closely with engineers, product teams, and cross-functional stakeholders in an agile and innovation-oriented setup. This is an opportunity to work on impactful systems that support large-scale content distribution while continuously improving technical quality. The environment values autonomy, technical excellence, and continuous learning.
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