Senior Backend Software Engineer

Role Summary

As a Backend Software Engineer you’ll work on performance-critical systems that process and aggregate millions of records in real time, directly enabling our clients to make better, faster decisions.

Here’s why this is an exciting opportunity

✨ Work on the Core Engine: Contribute to the design and optimization of our proprietary formula and query engine.

⚙️ Solve Complex Problems: Tackle scalability and performance challenges across high-volume, real-time datasets.

🧠 Shape the Product: Collaborate closely with frontend engineers and product managers to deliver impactful features.

🚀 Own the Stack: Build and maintain backend services using modern technologies like .NET Core, PostgreSQL, and GCP.

📈 Drive Innovation: Influence architecture decisions, test new ideas, and continuously improve performance and reliability.

If you enjoy solving hard problems and building systems that scale, this is the perfect place to grow your career!

Current Projects You could Work On

Computation Engine: Scaling and optimizing our formula engine to support increasingly complex use cases and larger datasets.

Performance Optimization: Profiling and improving the speed of real-time queries and calculations.

Infrastructure Improvements: Evolving our backend platform for reliability, observability, and developer efficiency.

Cross-Team Collaboration: Working closely with frontend teams to ensure smooth API integration and a great user experience.

Technical Challenges

• Handling real-time computation and aggregation over millions of records.
• Ensuring system performance while scaling to meet enterprise-grade demands.
• Balancing feature delivery with code quality and technical debt management.
• Driving architectural improvements to keep our platform fast, reliable, and future-ready.

Responsibilities

• Design and build the core computation engine that powers our business planning platform.
• Collaborate with frontend engineers, product managers, and designers to define, develop, and deliver features that bring value to users.
• Optimize performance and scalability of systems processing large-scale data in real time.
• Continuously monitor and improve the reliability, maintainability, and test coverage of backend services.
• Contribute to technical architecture and decision-making across the backend stack.
• Champion clean code, great documentation, and modern engineering best practices.

Requirements

We value strong software engineering skills and a problem-solving mindset. You thrive on turning complex requirements into elegant, maintainable solutions and are eager to deliver value to end users.

In any case, you have

• Experience working as a software engineer on production systems.
• Proven ability to design object-oriented software with languages such as C#, Java, C++, Golang, Rust, Python, or Ruby.
• A collaborative mindset and strong communication skills.
• A desire to deeply understand how the product works and the value it brings to users.
• A good dose of humility and the willingness to grow (no matter your seniority!).
• A fluent level in English (French is not required).

Our Tech Stack

• Languages & Frameworks: C# on .NET Core (Linux)
• Database: PostgreSQL
• Infrastructure: Google Cloud Platform, Docker, Kubernetes, Terraform
• Messaging & CI/CD: RabbitMQ, Circle CI

Frontend: React (TypeScript) – close collaboration with frontend teams expected!

Benefits

• Competitive salary
• Equity
• Comprehensive health insurance with Alan Blue (free for you and your family 💙)
• Trust and flexible working hours
• Remote-friendly policy
• Brand new offices in Paris, London, New York, and Toronto

We conduct background checks as part of our hiring process, in accordance with applicable laws and regulations in the countries where we operate. This may include verification of employment history, education, and, where legally permitted, criminal records. Any checks will be conducted lawfully prior to formal employment contracts being signed, with candidate consent, and information will be treated confidentially.

Pigment is an equal opportunity employer. We believe diversity is a strength and fosters innovation. We are committed to enabling everyone to feel included and valued at the workplace. All qualified applicants will receive consideration for employment without regard to age, color, family, gender identity, marital status, national origin, physical or mental disability, sex (including pregnancy), sexual orientation, social origin, or any other characteristic protected by applicable laws. We may process your personal data in accordance with our HR Data Protection Notice .