Full-Stack Engineer (SaaS • Java/React) – Flexible & Remote

AgileEngine; Województwo wielkopolskie; Hybrid; PLN 317,000 - 436,000; Full time

Benefits offered by this job

Professional growth

Competitive USD-based pay

Exciting projects

Flextime

Job summary

AgileEngine, LLC. is hiring a Mid-level Full Stack Developer to build secure, scalable software for public safety agencies, including a client integration system built from scratch.

The role requires 3+ years of SaaS experience and strong Java, React, and SQL skills, with knowledge of microservices and CI/CD practices, plus upper-intermediate English. Flexible, remote/office hybrid/work setup and USD-based compensation are offered.

Qualifications

• 3+ years of SaaS experience.
• High level of proficiency in Java, React, and SQL.
• Knowledge of or prior experience with microservices architecture.
• DevOps mindset of automation and continuous improvement.
• Good understanding of observability and familiarity with strong CI/CD practices.
• Proven ability to meet deadlines and deliver high-quality results.
• Upper-intermediate and higher English proficiency.

Responsibilities

• Build a cleanly designed, reusable client integration system following secure cloud software practices.
• Collaborate with design and product teams to understand requirements, create estimates, plan sprints, and meet delivery timelines.
• Plan and accurately estimate construction and delivery timelines.
• Contribute to technical documentation and automated build/deployment processes.
• Review code and participate in pull-request based deployment.

Skills

SaaS experience

Java

React

SQL

Microservices

CI/CD

Observability

English (upper-intermediate)

Tools

AWS

Job description

AgileEngine, LLC. is hiring a Mid-level Full Stack Developer to build secure, scalable software for public safety agencies, including a client integration system built from scratch.

The role requires 3+ years of SaaS experience and strong Java, React, and SQL skills, with knowledge of microservices and CI/CD practices, plus upper-intermediate English. Flexible, remote/office hybrid/work setup and USD-based compensation are offered.