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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on innovative FinTech solutions delivering real-time systems for millions of users. Core technologies include Fullstack Development, Swift/SwiftUI, Kotlin/Jetpack Compose, Kotlin Multiplatform, AWS, Docker, Kubernetes, and AI-driven software engineering. Responsibilities cover leading multidisciplinary squads, end-to-end ownership of financial products, strategic planning, and production rollout emphasizing security and scalability. Support for development and adoption of modern methodologies including Spec-Driven Development.
from: 23 August 2026
to: 22 September 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:lead
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Kotlin
Jetpack Compose
Kotlin Multiplatform
Docker
Kubernetes
Java
Spring Boot
Android
Optional technologies
spring cloud
AWS
Our requirements
- Strong understanding of payment systems, transaction flows, and financial services
- Experience working with real-time financial systems and high-volume transaction processing
- Familiarity with regulatory and compliance requirements (e.g., security, privacy, data integrity)
- Ability to translate complex financial and regulatory processes into intuitive product experiences Fullstack Development
- Client-side architecture and modern frontend approaches
- Deep understanding of Clean Architecture principles
- Mobile Development
- Hands-on experience with iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose)
- Experience with Kotlin Multiplatform (KMP)
- Strong focus on performance, scalability, and secure mobile architecture
- Experience with AWS cloud environments
- Containerization using Docker and orchestration with Kubernetes
- CI/CD pipelines and production-grade deployment practices
- AI-Driven Development
- Experience working with Generative AI and developer productivity tools
- Applying Spec-Driven Development (SDD) methodologies
- Integrating AI into development workflows and product capabilities
- Exposure to AI on Edge optimization challenges in mobile environments
Your responsibilities
- Leading multidisciplinary squads (Backend, Mobile, QA, Product)
- Full E2E ownership of core financial domains
- Strategic planning, roadmap definition, and execution
- Driving engineering excellence and mentoring developers
- Led development of real-time financial systems serving millions of users
- Built scalable and resilient platforms handling high-volume transactions
- Delivered secure, compliant, and high-performance FinTech solutions
- Drove adoption of modern architectures and AI-driven development practices
- Owned full lifecycle delivery from concept to production in mission-critical financial domains
About the project
Join a leading digital financial services organization that develops innovative mobile-first solutions used by millions of customers.
The company focuses on delivering secure, scalable, and user-friendly financial products, combining modern mobile technologies, cloud platforms, and real-time transaction systems.
As part of a highly skilled engineering team, you will help build next-generation financial applications that simplify everyday money management, payments, and digital banking experiences. The organization promotes a culture of innovation, ownership, continuous learning, and the adoption of modern development practices, including AI-assisted software engineering.
Working at the intersection of finance and technology, you will have the opportunity to contribute to large-scale products that impact the daily lives of customers while solving complex technical challenges in a fast-paced, product-driven environment.
Who are we looking for:
Experienced Fullstack Team Leader with 10+ years of hands-on software development and proven leadership in building high-scale, real-time FinTech systems. Adept at leading cross-functional squads and driving end-to-end ownership of complex financial products, from architectural design to production rollout for millions of users.
Division of working time
- 50%Coding
- 50%team management
Benefits
- sharing the costs of sports activities
- private medical care
- integration events
- no dress code
- christmas gifts
- employee referral program
Recruitment stages
- 1.Rozmowa telefoniczna – wstępna rozmowa z Rekruterem
- 2.Weryfikacja u klienta – ocena dopasowania do wymagań biz.
- 3.Rozmowa kwalifikacyjna – spotkanie z przedstawicielem firmy
Integral Solutions
Integral Solutions, Informatica Platinum Partner Enterprise, od ponad 20 lat dostarcza nowoczesne rozwiązania IT dla biznesu, oferując usługi m.in. w zakresie integracji danych, Data Engineering (Big Data) oraz Data Governance. Specjalizując się w rekrutacji pracowników z branży IT, nie tylko w obszarze danych, pomaga Klientom powiększać zespoły projektowe o profesjonalistów IT.
Mobile Fullstack Team Leader (m/k)
I apply to:
Integral Solutions
Warszawa, Masovian
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Wyrażam zgodę na przetwarzanie danych osobowych zawartych w CV oraz w powyższym formularzu dla potrzeb obecnego procesu rekrutacyjnego, prowadzonego przez Integral Solutions sp. z o.o. z siedzibą w Warszawie, ul. Księdza Skorupki 5, zgodnie z postanowieniami Rozporządzenia Parlamentu Europejskiego i Rady (UE) 2016/679 z dnia 27 kwietnia 2016 r. w sprawie ochrony osób fizycznych w związku z przetwarzaniem danych osobowych i w sprawie swobodnego przepływu takich danych oraz uchylenia dyrektywy 95/46/WE (‘Rozporządzenie 2016/679’).
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