Senior Backend Engineer (m/w/d) at charles

charles is seeking a Senior Backend Engineer to help drive its product and infrastructure forward, enabling the company to revolutionize conversational commerce. The Senior Backend Engineer will work closely with other engineers to build scalable, high-performing systems, improve system architecture, resolve tech debt, and ensure seamless user experiences. This role involves creating reliable, data-driven solutions that support millions of users and push the boundaries of messaging-driven commerce.

What this role involves:

• Moving the product and infrastructure forward, ensuring scalability and reliability.
• Extending the Charles API to integrate messaging with CRMs, CDPs, and shop systems.
• Developing scalable data models, integrations, and SDKs.
• Writing clear, maintainable documentation and ensuring reliable, well-tested code.
• Monitoring systems for performance and implementing data-driven improvements.
• Reviewing your peers code and contribute with the company’s growth.
• Break product initiatives to small technical deliveries and estimate the workload.

Requirements:

• 5+ years of experience in software engineering and integrations.
• Proficiency in Node.js, TypeScript, and at least one other high-level programming language (Java, Go, Rust, Python).
• Experience deploying and managing applications on cloud platforms, preferably GCP.
• Experience with infrastructure as code tools.
• A testing-first mindset with strong monitoring skills and the ability to write reliable, scalable code.
• Familiarity with data protection regulations such as GDPR and designing compliant data architectures (a big plus).
• Data-driven decision-making and creativity in problem-solving.
• Strong communication skills, with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders.
• Mentoring skills to help the whole team to grow as we scale.

What charles offers:

• Working on challenging and impactful projects at the forefront of one of the most innovative industries in Europe.
• Collaborating with some of the leading experts in Conversational Commerce and disrupting a fast-growing industry.
• Joining forces with a unique community of Tech, Product, Sales, Success, and Marketing experts committed to building the best product in Conversational Commerce.
• Having high visibility and impact across the business with the option to own and drive new initiatives.
• Celebrating our major and micro-wins as well as getting to know each other better at regular team-building events.
• Sharing VSOP (virtual stock options) in the ownership and success of charles.
• Working in a vibrant office in the heart of Berlin overlooking the Wall memorial.
• Earning a competitive compensation package.
• Urban Sports Club membership.
• A weekly personal trainer.
• Free company lunch on Thursdays.
• A friendly, open, multicultural work environment.
• Dog-friendly office in the heart of Berlin.
• Discounts on BVG tickets.