Sr Mobile Developer - Flutter

Senior Flutter Developer

Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Note that only qualified candidates will be contacted.

As a Senior Software Engineer on this team you will play a key role in building innovative mobile experiences that enhance the guest journey onboard and across the client's ecosystem. This is a hands-on engineering role focused on designing, developing, and delivering high-quality mobile applications using modern frameworks. You will work in a highly collaborative Agile environment alongside product managers, designers, QA, and backend teams to bring features to life.

This role requires strong technical ownership, a proactive mindset, and the ability to contribute to architectural decisions, performance optimization, and continuous improvement of delivery processes.

• Own the design, development, and delivery of mobile application features, enhancements, and new systems.
• Build and maintain mobile applications primarily using Flutter (Dart), with a focus on performance, scalability, and user experience.
• Collaborate with product managers, business analysts, and designers to define requirements, estimate work, and prioritize development.
• Partner with backend teams to integrate and consume APIs, ensuring strong data contracts and system reliability.
• Participate in code reviews, software design discussions, and architectural alignment with engineering teams.
• Identify and resolve defects, optimize application performance, and ensure high-quality production releases.
• Contribute to CI/CD pipelines, release management, and improvements in delivery processes.
• Explore and pilot new technologies to enhance development efficiency and product capabilities.
• Work across distributed teams (onshore/offshore) to deliver features in a fast-paced Agile environment.

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• 5+ years of professional software development experience, with a strong focus on mobile development.
• At least 1+ year of Flutter (Dart) experience in a production environment.
• Experience working within an Agile team (Scrum or Kanban) alongside product, QA, and design partners.
• Strong proficiency in Type Script and experience with backend technologies (e.g., NestJS, Node.js).
• Experience integrating with RESTful APIs and working with JSON data.
• Understanding of networking concepts such as HTTP, Bluetooth, RFID, or socket-based communication.
• Experience with cloud platforms (AWS) and distributed systems.
• Knowledge of No
  
  SQL databases and modern data handling approaches.
• Familiarity with containerized environments (e.g., Docker, Kubernetes).