• Improving the Wikipedia product experience by fixing bugs and implementing new functionality. • Iterating on new features through collaboration with fellow engineers, product managers, designers, other teams, and community members. • Writing multilingual, accessible, and performant code using Javascript and PHP. • Building on top of the MediaWiki API ecosystem. • Instrumenting components to monitor feature behavior and quality characteristics.

• Lead complete projects independently across backend services, APIs, and data pipelines, defining experimentation, development, and rollout strategies across multiple systems with minimal guidance. • Architect scalable, robust solutions for performance, reliability, and cost efficiency, applying deep technical knowledge to design systems that handle high-throughput marketing operations. • Drive technical improvements by identifying and solving deeper underlying problems, designing appropriate abstractions to simplify complexity and promote reusability across the codebase. • Partner directly with Marketing and Product stakeholders to influence features and requirements, bringing strong technical perspective while making well-reasoned trade-offs between complexity, business value, and delivery timelines. • Mentor junior engineers through code reviews, technical guidance, and onboarding support, while contributing to team productivity through process improvements and automation.

Role Description What are you going to deal with? - Project: Cents is an all‑in‑one, cloud‑based platform that lets laundromat and dry‑cleaning operators run every part of their business - from point‑of‑sale and machine payments to pickup‑and‑delivery routing, inventory, team, marketing, and financial reporting - in a single integrated system, already trusted by 3,000+ stores. - Hiring process: - HR interview (30 min, Kernelics) - 1 tech interview (Kernelics) - 1 tech interview (Trycent) What are you expected to do? - Design and ship end‑to‑end features across web and backend services, leveraging expert‑level TypeScript with React and Node.js to serve both business and consumer users. - Apply systems thinking—evaluate how each application component fits into the wider platform, proactively identifying dependencies, risks, and optimizations. - Lead technical problem‑solving: break down complex requirements, analyze trade‑offs, and deliver reliable, maintainable solutions on time. - Collaborate with cross‑functional stakeholders—translate product goals into technical plans and communicate progress, challenges, and trade‑offs clearly. Qualifications - 5+ years experience of building business- and consumer-facing applications. - Expert-level knowledge of Typescript, specifically for React and Node.js. - Demonstrable systems thinking skills. Understands that apps are only one part of a larger system. - Understands API design. Knows, and can drive, what 'good' looks like and what the platform needs short-term and long term from an API. - Excellent problem solving, analytical and organizational skills. - Fluent verbal and written English skills. - Passion for learning and coaching others. - A positive approach to your work, and treat others well. - Strong communication skills. - Able to clearly express opinions on product design, while respecting the thoughts and opinions of their peers. - Proven ability to communicate and collaborate effectively with engineers and non-engineering stakeholders alike. Benefits - Taking care of your health - fixed benefit health care coverage. - Supporting your active lifestyle - sports activities with 50% coverage up to the fixed amount. - Treating you not only as a team member but as a personality as well - do not even hope that we'll skip your birthday or other significant events in your life, such as a wedding and birth of a child. - Supporting your professional and personal development. - Maintaining work-life balance - you can work from anywhere you wish, flexible working hours within working hours of the project. - Working among your friends - refer our open vacancies to your friends and receive a decent referral bonus. - Enjoying corporate life that is full of bright emotions and impressions - we hold regular online and offline events and activities.

• Design, develop, and maintain backend services and APIs. • Ensure that releases are well-coordinated, fully prepared, and successfully deployed to production. • Maintain high engineering standards, ensuring smooth release cycles, and drive operational excellence across the development lifecycle.