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 system design, development, deployment, and production support for B2B SaaS and AI-driven projects.
Skilled in microservices architecture, API design (gRPC/REST), messaging systems (Kafka, RabbitMQ), and database management (PostgreSQL, NoSQL).
Experienced in CI/CD pipelines, code quality assurance, and cross-functional collaboration to solve complex technical challenges.
Master’s degree candidate in Applied Mathematics with award-winning problem-solving skills demonstrated by 1st place in Luxoft techground hackathon.

Technical Skills

Programming Languages	Java, Python, Scala
Java Frameworks	Hibernate, Spring Boot
Java Libraries and Tools	Spring Data
Data Analysis and Visualization Technologies	Kibana
Databases & Management Systems / ORM	Elasticsearch, Flyway, Hibernate, MongoDB, MySQL, NoSQL, PostgreSQL, Redis
Cloud Platforms, Services & Computing	AWS
QA, Test Automation, Security	Apache Maven, Bazel, JUnit, Mockito
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	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 various B2B backend projects at Wix
com, including AI-based content generation tools, integration with external partners, and development of generic Single Sign-On (SSO) solutions to enhance user authentication and experience

Responsibilities:

Owned backend implementation end-to-end from system design to deployment and 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 platform focused on digital workspace and workflow automation, as well as a multi-category e-commerce ecosystem, aimed at improving business process efficiency and online commerce capabilities.
Responsibilities:

Performed requirements decomposition and provided technical effort estimations.
Implemented full-lifecycle feature development and bug fixes.
Conducted rigorous code reviews to maintain high 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 requiring new feature design and implementation, focusing on robust and scalable Java-based solutions.
Responsibilities:

Back-end development and creation of new features.
Conducted code reviews to ensure code quality.

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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