ABBYY is hiring a Senior Backend Developer

Join ABBYY and be part of a team that celebrates your unique work style. With flexible work options, a supportive team, and rewards that reflect your value, you can focus on what matters most – driving your growth, while fueling ours. Our commitment to respect, transparency, and simplicity means you can trust us to always choose to do the right thing. As a trusted partner for purpose-built AI and intelligent automation, we solve highly complex problems for our enterprise customers and put their information to work to transform the way they do business. Over 10,000 customers trust ABBYY, including many Fortune 500 ones. You will work on further developing a portfolio already containing client names such as DHL, Johnson & Johnson, FDA, DMV, PwC, KeyBank, Spotify, and H&R BLOCK. About the Role As a Senior Backend Developer at ABBYY, you will design, build, and operate scalable backend services that power enterprise AI and intelligent automation solutions used by customers worldwide. You will own features end-to-end, influence technical direction, and serve as a strong technical role model for mid-level and junior engineers. This role is ideal for engineers who combine deep technical expertise with a passion for mentorship and system-level thinking. Key Responsibilities Backend Feature Delivery Design, implement, and deliver backend features across .NET (C#, ASP.NET Core) and Node.js/TypeScript services Write production-ready code with appropriate testing, logging, and observability Participate in architectural discussions and contribute to system design decisions Identify and resolve performance, reliability, and scalability issues Cloud, Kubernetes & Edge Build and operate services deployed on Kubernetes, including understanding pod lifecycle, resource management, and rollout strategies Work with AWS and/or Azure managed services (storage, messaging, compute, monitoring) Design and implement services using Cloudflare Workers, including Durable Objects, KV, R2, and Queues Contribute to CI/CD pipelines for Kubernetes and Cloudflare-based deployments Participate in on-call rotations and incident response Collaboration & Mentorship Conduct high-quality code reviews that improve correctness, performance, and maintainability Mentor junior and mid-level engineers through pairing, feedback, and technical guidance Actively participate in agile ceremonies (planning, standups, retrospectives) Apply and promote responsible use of AI-assisted development tools Qualifications 5+ years of professional experience in backend software engineering Strong proficiency in .NET (C#) or Node.js/TypeScript (experience with both is a plus) Production experience with Kubernetes Hands-on experience with AWS and/or Azure Practical experience with Cloudflare Workers in production environments Strong understanding of REST API design, authentication, and versioning Experience with relational databases and query optimization Experience working with CI/CD pipelines Professional fluency in English Working proficiency with AI-assisted development tools Preferred Experience working across both AWS and Azure Familiarity with service mesh, GitOps, or advanced Kubernetes tooling Experience with event-driven architectures or messaging systems Background working in Agile product teams Salary Range: The anticipated base salary range for this position is between 17,707,200 HUF and 23,956,800 HUF. Base salary ranges may vary by geographic location and relevant experience, education, certifications, and seniority as compared to others doing substantially similar work. There is no guarantee an offer will be at the top of the posted range based on the salary analysis. Here are some of our local benefits: Medical benefits after 90 days SZÉP Card allowance for recreational activities Volunteering Time Off (VTO) Company paid sick time up to 10 days per year