Mishenko Alex

Head of the development team

• Implemented collaborative editing with a CRDT-based algorithm for real-time multi-user document updates
• Utilized WebSockets to stream live data from the backend, ensuring low-latency synchronization
• Developed standard Spring Java CRUD services for core backend functionality and API endpoints
• Organized user synchronization pipelines between LDAP and Active Directory for unified access management
• Defined the overall product architecture applying DDD and FSD patterns with a DI container for modularity and testability
• Conducted independent analysis of incoming requirements and technical challenges to drive architectural decisions
• Wrote comprehensive documentation: architecture overviews, deployment/network diagrams and API contracts
• Built and maintained CI/CD pipelines, orchestrated microservices in Kubernetes and authored deployment schemas
• Drove all types of testing (unit, component, screenshot and end-to-end) to guarantee stability and prevent regressions
• Acted as primary liaison with customers and C-level executives gathering requirements, demoing features and aligning roadmaps with business goals
• Led team processes: feature decomposition, estimation, sprint planning, retrospectives and task assignment
• Mentored engineers through hiring, interviews, promotions and, when necessary, offboarding shaping a high-performance front-end practice
• Handled incidents and outages, swiftly resolving critical production issues and ensuring 24/7 reliability

Senior frontend engineer

• Worked on the acquiring/payment processing system, integrating with merchant APIs to handle transactions securely and reliably
• Designed and implemented a seamless user redirection flow between mobile web and the native app, ensuring session continuity and a smooth return to the app after payment completion
• Contributed to end-to-end testing, validating the entire payment and redirection journey under real-world conditions

Head of the development team

• Designed and built a complex service for composing enterprise-grade documentation, driving every stage from data model to rendered output
• Engineered a high-performance Rich Text Editor; implemented advanced Table Editor on Canvas with rendering optimizations, custom geometry-driven table components and graphic primitives
• Developed an SDUI (Server-Driven UI) framework with strict client-server contracts, ensuring flexibility and backward-compatibility
• Defined the overall product architecture applying Domain-Driven Design (DDD), Feature-Slice-Driven (FSD) structure and a DI container for modularity and testability
• Owned the full product lifecycle: wrote architecture docs, created deployment/network diagrams and CI/CD pipelines, orchestrated microservices in Kubernetes
• Led product rollout and ongoing support: managed releases, onboarded new clients, produced user guides and developer documentation
• Acted as primary liaison with customers and C-level executives gathered requirements, demoed features and aligned roadmaps with business objectives
• Drove team processes: decomposed features, estimated and assigned tasks, organized sprints and all types of testing (unit, component, screenshot, e2e)
• Mentored engineers through hiring, interviews, promotions and offboarding shaping a high-performance front-end practice
• Conducted independent analysis of various tasks to inform technical solutions and planning
• Handled incidents and outages, swiftly resolving critical production issues

Head of the development team

Delivered on-premises and SaaS business solutions including corporate email, file storage, messaging for enterprise clients. Key highlights:

• Worked directly with on-premise customers to gather requirements, deploy updates and provide ongoing support
• Led a major rewrite of legacy codebases (Backbone.js, jQuery, Jinja2) into a modern stack with TypeScript, React, MobX and a DI container
• Designed and implemented “smart collections” for efficient client-side data management
• Made key architectural and product decisions, defining the roadmap and prioritization of features
• Performed the role of team lead mentoring developers, driving technical discussions and leading sprint planning, retrospectives and demos
• Oversaw full team lifecycle: interviewing, hiring, onboarding, performance reviews and offboarding
• Balanced hands-on development with extensive administrative responsibilities and stakeholder communications

Head of the development team

Worked on “Digital bank for legal entities” as Head of the development team, responsible for:

• Maintaining and evolving an internal React component library, ensuring consistency and reusability across teams
• Designing and implementing extensive end-to-end, unit, screenshot test coverage to guarantee stability and prevent regressions
• Leading a cross-functional team: mentoring developers, setting technical direction, and driving adoption of best practices for estimation and delivery
• Establishing and refining development processes, code reviews, CI/CD pipelines, release planning and facilitating clear communication with stakeholders at all levels
• Directly engaging with product owners and C-level executives to align roadmap priorities, gather feedback, and report on progress
• Managing the full product lifecycle from planning through deployment to production, including cutover planning and release coordination
• Coordinating a major data-migration effort, transferring user and transactional data from a legacy system to the new microservices-based platform without downtime
• Worked with Mesos and Marathon for container orchestration and service deployment
• Utilized Apache Thrift protocol to enforce strict client-server contracts
• Implemented BFF architecture for SSR and a custom micro-frontend architecture for scalable, independent module deployment

Frontend Engineer

Worked on the Yandex Weather service:

• Maintaining and extending the legacy BEM-based frontend powered by Node.js 7 for SSR and XSLT
• Leading the rewrite of the mobile web client to React, Redux and TypeScript for improved maintainability and performance
• Designing and implementing an internationalization (i18n) approach to support multiple languages and locales across all UI components
• Building media-processing microservice for on-the-fly image compression and optimization, reducing payload sizes and accelerating page load times

Frontend Engineer

Developed and maintained complex admin dashboards for internal products, featuring data visualization for business analytics:

• React, MobX, Redux, TypeScript, Koa.js, PostgreSQL, Inversify DI container, MongoDB, Octopus Deploy
• Contributed to UI component development, documentation, and style guidelines to ensure visual consistency
• Assisted in integrating the design system into internal admin interfaces to streamline development workflows
• Introduced unit and integration testing, improving code quality and reducing regressions

Frontend Engineer

Developed a React Native mobile app for reading, buying and selling books:

• Built core UI in React Native with TypeScript
• Implemented native features (e.g. local storage, media handling) via Java modules on Android and Swift on iOS
• Designed and integrated business-logic layers to ensure robust offline support and smooth performance

Ural Federal University