Senior Full Stack Developer - Flutter & Node.js Expert

Outsourcey; Poland; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary

HR shaping role in growing BPO

Team of industry leaders

Career growth opportunities

Job summary

Outsourcey is seeking an experienced Full Stack Developer in Poland to craft cross‑platform mobile apps with Flutter and robust backend services with Node.js. You will collaborate with product teams, participate in code reviews, and implement CI/CD pipelines using AWS to ensure scalable, reliable deployments.

You will work with SQL/NoSQL databases, GraphQL, REST APIs, and Git, applying best practices in an agile environment while driving quality and performance.

Qualifications

• Min 3 years experience as a Full Stack Developer with Flutter and Node.js.
• In-depth knowledge of Flutter framework, Dart, and cross-platform mobile apps.
• Strong proficiency in Node.js and Express.js for backend services.
• Hands-on with AWS RDS, Lambda, API Gateway; able to architect and deploy in AWS cloud.
• Familiarity with SQL/NoSQL databases and designing schemas.
• Familiarity with GraphQL and RESTful API design principles.
• Experience with serverless computing using AWS Lambda.
• Version control with Git and collaborative workflows.
• Solid understanding of software development principles, patterns, and best practices.
• Ability to work in an agile environment with cross-functional teams.
• Strong problem-solving and communication skills.

Responsibilities

• Develop and maintain cross‑platform mobile apps using Flutter for iOS and Android.
• Design, implement, and maintain scalable backend with Node.js.
• Collaborate with cross-functional teams to translate requirements into solutions.
• Participate in code reviews to maintain quality and standards.
• Optimize client and server performance for fast, responsive apps.
• Integrate front-end with back-end APIs and ensure real-time data flow.
• Integrate third-party RESTful APIs including payments and identity providers.
• Leverage AWS services (RDS, Lambda, API Gateway) to deploy scalable solutions.
• Set up and maintain CI/CD pipelines for automated deployment.
• Troubleshoot issues and identify root causes quickly.
• Stay updated with Flutter, Node.js, and AWS trends to improve processes.

Skills

Flutter

Dart

Node.js

Express.js

AWS

AWS Lambda

AWS API Gateway

RDS

SQL

NoSQL

GraphQL

REST APIs

Git

Design patterns

Agile

Communication

Teamwork

Problem solving

Tools

Express.js

GraphQL

RESTful APIs

CI/CD

AWS

Git

Job description

Outsourcey is seeking an experienced Full Stack Developer in Poland to craft cross‑platform mobile apps with Flutter and robust backend services with Node.js. You will collaborate with product teams, participate in code reviews, and implement CI/CD pipelines using AWS to ensure scalable, reliable deployments.

You will work with SQL/NoSQL databases, GraphQL, REST APIs, and Git, applying best practices in an agile environment while driving quality and performance.