Backend .NET Developer

🚀At Acropolium, we’ve been building innovative software solutions and consulting for 22 years with a partnership-first approach. Now we’re looking for a proactive Backend .NET Developer to help us build reliable, scalable, and secure backend systems for high-traffic platforms. Your contribution will directly impact product performance and reliability.

Position:

Backend .NET Developer

Work format:

Remote-first (flexible schedule), collaboration with international teams.

Responsibilities:

• Design, build, and maintain scalable APIs and backend services.
• Ensure performance, reliability, and security in high-traffic systems.
• Integrate and maintain payment flows (checkout, refunds, webhooks).
• Own services from design through deployment (CI/CD with GitHub Actions, running on K8s).
• Monitor and troubleshoot using Grafana, Elasticsearch, and Kibana.
• Collaborate with frontend, DevOps, product, and design teams.
• Continuously improve backend infrastructure and system architecture.
• Mentor and share knowledge within the team.

Requirements:

• Strong experience with C# and .NET Core / .NET 8 (soon .NET 9).
• Proven track record in building APIs, background jobs, and distributed systems.
• Solid experience with PostgreSQL, Redis, and messaging systems.
• Familiarity with Stripe or other payment platforms and handling sensitive data.
• Comfortable with Kubernetes and containerized deployments.
• Experience with CI/CD pipelines (GitHub Actions).
• Skilled in using Elasticsearch/Kibana for monitoring and log analysis.
• Proactive, autonomous, and quality-focused mindset.

Nice to have:

• Experience with .NET 9 (upcoming migration).
• Knowledge of additional cloud platforms (AWS, Azure, GCP).
• Experience with other payment providers beyond Stripe.
• Familiarity with microservices architecture and event-driven systems.
• Contributions to open-source projects or strong GitHub portfolio.

Hiring process:

1️.Call with our HR team.
2️.Technical interview.
3️.Final conversation with hiring manager.
4️.Offer & onboarding — welcome aboard! 🚀

Working conditions & Benefits:

💙 On average, team members stay at Acropolium for more than 5 years.
🤝 Strong internal communication & empathy — we’re human-first, KPI-second.
👨‍👩‍👧‍👦 Family values & social engagement are encouraged.
👋 Warm onboarding welcome.
🗣️ We listen, respond, and support individual growth.
📚 Learning culture: internal training + freedom to choose external courses.
📈 Personal development plans (PDPs) to help you grow your career.
🎖️ Ongoing care for employees in the military.
🧾 Transparent performance reviews & compensation — you’ll always know where you stand.
🌍 Work from anywhere (remote-first flexibility).
🌴 20 paid vacation days annually.

💬 Sound like your kind of challenge? If you’re passionate about backend development and thrive in high-impact projects — let’s talk. Join us and let’s DARE TO CREATE the future together.