Backend and APIs
TypeScript, Node.js, NestJS, REST APIs, OpenAPI, and service composition.
Hey there! I'm Daniel, a Full Stack Engineer.
I started by building layouts. Now I work across APIs, data and production systems.
I follow a problem until its cause is clear.
Personal Projects
A space for the things I build outside corporate work
Projects will appear here when they're ready.
I'm working on what belongs in this space. Until then, the engineering stories below show problems I've solved in production.
Engineering Stories
Problems and trivias I faced throughout my experience. Company details are generalized where the work is private
Aggregating signals from five APIs
A warnings and statistics service that brought five upstream responses into one backend flow.
Tracing 504 and 413 failures
Following request failures across PostgreSQL queries, payload size, connections, and HTTP behavior.
Making API generation consistent
Standardizing OpenAPI SDK and DTO generation across services with templates and scripts.
Experience
May 2024 - Present Full Stack Engineer · Conbo
NestJS APIs, PostgreSQL query and index work, React product features, containerized deployment, and production troubleshooting.
Full Stack Engineer · Conbo
NestJS APIs, PostgreSQL query and index work, React product features, containerized deployment, and production troubleshooting.
- Built and maintained TypeScript and NestJS REST APIs, including database-facing reader services and composition services for operational information at ports and warehouses.
- Designed and shipped a warnings and statistics service that combines five upstream APIs, evaluates configurable rules, maintains state, and exposes HTTP endpoints.
- Investigated production 504 and 413 failures across PostgreSQL queries, connection pools, HTTP keep-alive, and request chunking.
- Standardized OpenAPI SDK and DTO generation across services using shared Mustache templates and scripts.
- Contributed React product features, authentication and authorization integrations, containerized deployment, service-level Kubernetes manifests, and Ubuntu edge-computer setup.
- Participated in architecture and technical planning with the CTO within a larger team system.
2022 - 2024 Relocation to Israel
Relocated from Russia and worked outside software before returning to engineering.
Relocation to Israel
Relocated from Russia and worked outside software before returning to engineering.
- Moved to Israel and worked in a warehouse for approximately 16 months before returning to software engineering.
2022 Frontend Developer · Roistat
Reusable pagination, frontend component changes, and client-specific interfaces in Vue.js and React.
Frontend Developer · Roistat
Reusable pagination, frontend component changes, and client-specific interfaces in Vue.js and React.
- Discussed changes to high-level frontend components with the technical lead and implemented the agreed approach.
- Developed reusable pagination components and integrated them into the main service.
- Resolved Yandex.Metrica functionality and tracking issues, and worked with designers on client-specific interfaces.
2021 - 2022 Full Stack Developer · Youmake
JavaScript and Vue.js translation service, product features, and production bug fixes.
Full Stack Developer · Youmake
JavaScript and Vue.js translation service, product features, and production bug fixes.
- Developed and maintained a JavaScript and Vue.js translations microservice.
- Independently implemented the frontend for an NFT-related platform and developed features for a print-on-clothes mockup generator.
- Handled frontend maintenance and fixed critical production bugs affecting enterprise customers.
2020 - 2021 Junior Frontend Developer · MTS Group
Internal authentication, TypeScript migration, and microfrontend restructuring work in Vue.js.
Junior Frontend Developer · MTS Group
Internal authentication, TypeScript migration, and microfrontend restructuring work in Vue.js.
- Developed an internal team-member authentication system for project-collaboration software.
- Participated in architectural discussions and helped restructure legacy code toward a microfrontend architecture.
- Rewrote JavaScript code in TypeScript to improve maintainability and type safety.
2019 - 2020 Frontend Developer · PROZHEKT
React and JavaScript websites and landing pages.
Frontend Developer · PROZHEKT
React and JavaScript websites and landing pages.
- Built websites and landing pages for companies and events using React and JavaScript.
Technical Capabilities
Frontend
React, TypeScript, Zustand, and product interface development. Earlier Vue.js work.
Data and storage
PostgreSQL, TypeORM, query and index work, Redis, and object-storage integrations.
Infrastructure and deployment
Docker, Linux and Ubuntu, GitLab CI/CD, and service-level Kubernetes manifests.
Production engineering
Cross-service debugging, HTTP behavior, payload handling, and OpenTelemetry wiring.
Authentication and authorization
Logto and Zitadel integration, NestJS guards, and deployment scoping.
Testing and quality
Focused Jest tests and supporting Cypress work; not a primary specialization.