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Java Full Stack Engineer

Swanktek IncNew York, NY🇺🇸United StatesPosted 24 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
New York, NY, United States
Posted
20 hours ago
DockerSQLSpringSpring BootAgileGitJavaPostgreSQLRESTReact

Job Description

Required Skills

  • 4–8+ years of software engineering experience.
  • Strong Java fundamentals (Java 21 preferred) including core concepts (collections, concurrency, memory management).
  • Solid experience with Spring Framework (Spring 4+) and Spring Boot 3.x.
  • Experience building and consuming REST APIs.
  • Good knowledge of React (version 17) and integration with backend services.
  • Strong understanding of web application architecture and client-server communication.
  • Experience with SQL and relational databases (e.g. PostgreSQL).
  • Proficiency with version control (Git) and build tools (Maven/Gradle).
  • Strong focus on clean code, unit testing, and code reviews.
  • Familiar with Agile development practices.
  • Comfortable working in Linux/Unix environments.

 

Other desirable skills

  • Experience with JSF / JSP applications and legacy UI technologies.
  • Familiarity with modern frontend practices and component-based architectures.
  • Experience with CI/CD pipelines and testing practices.
  • Exposure to Docker / containerization.
  • Basic understanding of distributed systems.
  • Familiarity with Spring ecosystem tooling.
  • Knowledge of financial systems or trading platforms is a plus.

 

Role responsibilities and key accountabilities:

  • Contributes to design, development, and implementation of backend services and web applications.
  • Writes clean, maintainable, and well-tested code following established engineering practices.
  • Participates in technical design discussions and collaborates with senior engineers and architects.
  • Works closely with frontend developers to integrate backend services with UI components.
  • Supports troubleshooting, debugging, and performance optimization of applications.
  • Breaks down user stories into technical tasks and delivers within agreed timelines.
  • Collaborates effectively in Agile teams with product owners, QA, and other developers.
  • Maintains and improves existing systems while ensuring stability and reliability.
  • Builds positive relationships within the team and contributes to a collaborative environment.
  • Communicates technical concepts clearly to both technical and non-technical stakeholders.
  • Continuously develops technical expertise and stays up to date with modern technologies and frameworks

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