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# Senior Fullstack Developer

- **Company:** V-Soft Consulting Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Automation of Tests, Microsoft Azure, Cloud Computing, Continuous Integration, Relational Databases, Distributed Data Store, Distributed Systems, Elasticsearch, Python (Programming Language), PostgreSQL, Secure Coding, ReactJS, Apache Spark, Spring-boot, Backend, Event Driven Architecture, AngularJS, Apache Kafka, React Native, GPT, Data Pipelines, Devsecops, Legacy Systems, Microservices
- **Published:** June 11, 2026
- **Apply:** https://public-rest34.bullhornstaffing.com/rest-services/H85C9/query/JobBoardPost?where=id=109618&fields=id,title,publishedCategory(id,name),address(city,state),employmentType,dateLastPublished,publicDescription,isOpen,isPublic,isDeleted

## About the Role

Must-Have Skills:

 * 6 - 10 years of full stack development experience, backend-heavy.
 * Deep Java and Spring Boot experience.
 * Kafka and event-driven architecture experience.
 * PostgreSQL or strong relational database experience.
 * Cloud experience, preferably AWS, but Azure is acceptable.
 * Python experience for backend or data workflows.
 * Experience modernizing legacy microservices and distributed systems.
 * DevSecOps mindset, automated testing, CI/CD, and secure coding.
 * Experience supporting both new builds and existing systems.
 * Experience with IoT, high-volume data pipelines, sensors, or detector systems.
 * Ability to mentor junior developers and provide technical leadership.
 * Ability to lead full-stack projects from design through deployment.

Nice-to-Have Skills:

 * React or Angular experience.
 * React Native experience for the mobile-focused opening.
 * AI-assisted development experience with Copilot, Gemini, ChatGPT, OpenAI, or similar tools.
 * Spark, Elasticsearch, or similar distributed data tools.
 * Rules engine experience.
 * Enterprise modernization experience.

## Description

* This role supports the Mechanical/Hub and Terminal teams, focused on modernizing major legacy systems that support freight operations, rolling stock maintenance, detector systems, hub movement, terminal activity, and container flow from origin to destination.
 * The modernization scope is large and includes multiple MQs, legacy microservices, IoT data ingestion, high-volume detector/sensor data, and 600+ rulesets that need to be replatformed.
 * The environment processes 30M+ data points from detectors, so candidates need to be comfortable working in high-volume distributed systems.
 * The client is looking for engineers who can support both new development and existing system modernization.
 * This person should be able to work independently, mentor junior developers, communicate clearly, and lead full-stack work from design through deployment.


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