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I'm a Junior Backend Engineer with a focus on Python and FastAPI, working on designing RESTful APIs, implementing authentication, and using relational databases. I enjoy turning business requirements into reliable backend systems and continuously improving data handling and API quality. I’m known for debugging, API documentation, and writing clean, maintainable backend code. I value structured thinking, reliability, and collaboration across teams to deliver software that users rely on.…I'm a Junior Backend Engineer with a focus on Python and FastAPI, working on designing RESTful APIs, implementing authentication, and using relational databases. I enjoy turning business requirements into reliable backend systems and continuously improving data handling and API quality. I’m known for debugging, API documentation, and writing clean, maintainable backend code. I value structured thinking, reliability, and collaboration across teams to deliver software that users rely on.

Roman Khrystoforov

Back-End Developer, Full Stack Developer, Web Developer, +2

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I'm a Junior Backend Engineer with a focus on Python and FastAPI, working on designing RESTful APIs, implementing authentication, and using relational databases. I enjoy turning business requirements into reliable backend systems and continuously improving data handling and API quality. I’m known for debugging, API documentation, and writing clean, maintainable backend code. I value structured thinking, reliability, and collaboration across teams to deliver software that users rely on.…I'm a Junior Backend Engineer with a focus on Python and FastAPI, working on designing RESTful APIs, implementing authentication, and using relational databases. I enjoy turning business requirements into reliable backend systems and continuously improving data handling and API quality. I’m known for debugging, API documentation, and writing clean, maintainable backend code. I value structured thinking, reliability, and collaboration across teams to deliver software that users rely on.

Available to hire

I’m a Junior Backend Engineer with a focus on Python and FastAPI, working on designing RESTful APIs, implementing authentication, and using relational databases. I enjoy turning business requirements into reliable backend systems and continuously improving data handling and API quality.

I’m known for debugging, API documentation, and writing clean, maintainable backend code. I value structured thinking, reliability, and collaboration across teams to deliver software that users rely on.

Skills

Python

SQLite

SQL

Experience Level

Python

Expert

SQLite

Expert

SQL

Intermediate

Language

Ukrainian

Fluent

Russian

Fluent

English

Fluent

German

Advanced

Work Experience

Junior Backend Engineer at Expense Tracker (Self-initiated project)

January 1, 2025 - Present

Designed and implemented a RESTful backend using FastAPI, built secure user authentication with password hashing, developed structured CRUD endpoints for expense management, validated request/response schemas with Pydantic, debugged API errors, improved data handling logic, and documented and tested APIs via Swagger UI.

Business Development Manager at GOLAW LLC

January 1, 2023 - December 31, 2024

Worked with structured data and internal systems; communicated technical and non-technical information clearly; maintained accuracy and consistency in client records; collaborated across teams to improve internal workflows.

Lawyer at REGARD CAPITAL LLC

January 1, 2022 - December 31, 2023

Managed complex documentation with strict accuracy requirements; conducted analytical research using digital databases; applied structured thinking and process discipline.