FinTech Mobile Fullstack Lead & Architect

Jobs.Pl Sa; Rzeszów; On-site; PLN 300,000 - 480,000; Full time

Job summary

Jobs.Pl Sa is seeking an experienced Mobile Fullstack Team Leader to guide an interdisciplinary team in building scalable FinTech solutions. You will drive end-to-end product delivery, from architecture decisions to production deployment, leveraging Java/Spring, Kotlin, iOS/Android, and cloud tooling.

The role demands at least 10 years in software development with strong leadership experience and familiarity with AI-enabled development and secure, compliant systems.

Qualifications

• Minimum 10 years of commercial experience in software development.
• Experience as Team Leader, Tech Leader, or similar leadership role.
• Leading teams including backend, mobile, QA, and product collaboration.
• Very good knowledge of Java, Spring Boot, and Spring Framework.
• Experience designing backend and client architectures.
• Strong understanding of Clean Architecture principles.
• Proven experience building iOS (Swift/SwiftUI) apps.
• Proven experience building Android (Kotlin/Jetpack Compose) apps.
• Experience with Kotlin Multiplatform (KMP).
• Knowledge of AWS, Docker, Kubernetes, and CI/CD.
• Experience with real-time data processing in financial domains.
• Awareness of security, privacy, and data integrity concerns.
• Ability to translate complex financial/regulatory processes into products.
• Experience with Generative AI and AI-assisted tooling.
• Familiarity with Spec-Driven Development (SDD) and AI integration.

Responsibilities

• Leading an interdisciplinary team including Backend, Mobile, QA and Product.
• End-to-end responsibility for developing key areas of financial products.
• Technical planning, roadmapping and coordinating execution.
• Making and reviewing architectural decisions.
• Mentoring developers and establishing engineering standards.
• Designing and developing real-time financial systems.
• Building scalable and fault-tolerant platforms for high transactions.
• Ensuring security, performance and regulatory compliance.
• Introducing modern architectural patterns and development practices.
• Utilizing Generative AI and AI-assisted development tools daily.
• Owning the full lifecycle from concept to production.

Skills

Java

Spring Boot

Spring Framework

Kotlin Multiplatform

Swift / SwiftUI

Kotlin / Jetpack Compose

Docker

Kubernetes

AWS

CI/CD

Generative AI

Spec-Driven Development

AI integration

AI-on-Edge optimization

Tools

Swift

SwiftUI

Android (Kotlin)

Job description

Jobs.Pl Sa is seeking an experienced Mobile Fullstack Team Leader to guide an interdisciplinary team in building scalable FinTech solutions. You will drive end-to-end product delivery, from architecture decisions to production deployment, leveraging Java/Spring, Kotlin, iOS/Android, and cloud tooling.

The role demands at least 10 years in software development with strong leadership experience and familiarity with AI-enabled development and secure, compliant systems.