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) ...