Nikita Shapovalenko — Backend Engineer

Expertise in Back-End Web (5.0 yr.).

Last verified on August, 2026

Core Skills

Bio Summary

Backend engineer with expertise in Scala, Java (17-21), Python, and cloud-native technologies including Kubernetes, Docker, and AWS.
Proven track record in end-to-end backend development for B2B SaaS platforms, AI content generation, and e-commerce ecosystems.
Skilled in system design, API development (gRPC/REST), and integration with external partners and SSO solutions.
Experienced in microservices architecture, event-driven systems using Kafka and RabbitMQ, and database management with , PostgreSQL, MongoDB, and caching strategies.
Master’s degree candidate in applied mathematics, with strong foundations in software engineering best practices, code quality, and cross-functional collaboration.

Technical Skills

Programming Languages	Java, Python, Scala
Java Frameworks	Spring Boot
Data Analysis and Visualization Technologies	Kibana
Databases & Management Systems / ORM	Elasticsearch, Flyway, MongoDB, MySQL, NoSQL, PostgreSQL, Redis
Cloud Platforms, Services & Computing	AWS
QA, Test Automation, Security	Apache Maven, Bazel
Virtualization, Containers and Orchestration	Docker, Kubernetes
Logging and Monitoring	Grafana
Mail / Network Protocols / Data transfer	GRPC
Deployment, CI/CD & Administration	Jenkins
Message/Queue/Task Brokers	Kafka, RabbitMQ
SDK / API and Integrations	Keycloak, RESTful API

Work Experience

Backend Engineer - Wix.com, Inc. (Multiple B2B projects including AI-based content generation, external partner integrations, and generic SSO)

Duration: 08/2024
Summary:

Worked on several B2B backend projects at Wix
com, focusing on AI-based content generation, external partner integrations, and generic Single Sign-On (SSO) solutions
These projects aimed to enhance Wix's platform capabilities for business users by integrating advanced AI features and seamless authentication mechanisms

Responsibilities:

Owned backend implementation end-to-end from system design to production support.
Collaborated with product teams to gather and refine technical requirements.
Participated in design reviews and cross-functional problem solving.

Technologies: Scala, Java, Python, Docker, Grafana, Kafka, MySQL, NoSQL, Caching, gRPC/REST APIs, Bazel

Java Engineer - CHI Software (SaaS Digital Workspace & Workflow Automation Platform, Multi-Category E-Commerce Ecosystem)

Duration: 08/2023 - 08/2024
Summary:

Contributed to the development of a SaaS digital workspace and workflow automation platform alongside a multi-category e-commerce ecosystem
These platforms aimed to streamline business processes and provide scalable e-commerce solutions

Responsibilities:

Performed requirements decomposition and technical effort estimations.
Implemented full-lifecycle feature development and bug fixes.
Conducted rigorous code reviews to maintain architectural standards.

Technologies: Scala, Java 17-21, Spring Boot, Kubernetes, Docker, Jenkins, AWS, PostgreSQL, MongoDB, Redis, Elasticsearch, RabbitMQ, Maven, Grafana, Kibana, Keycloak

Java Developer - NetFRAME

Duration: 08/2021 - 07/2023
Summary: Engaged in backend development for projects at NetFRAME, focusing on designing and creating new features to enhance software functionality and performance.
Responsibilities:

Back-end development and feature design.
Code review to ensure quality and maintainability.

Technologies: Java 17, Python, Maven, Swagger, testcontainers, JUnit, Mockito, PostgreSQL, MongoDB, Hibernate, Flyway, Spring (Boot, MVC, Data, Security), Docker, AWS

Education

Oles Honchar Dnipro National University
Master's degree in applied mathematics, expected graduation 12/2026

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