iOS Developer (Fintech)

We are looking for a skilled iOS Developer to join our FinTech team and contribute to building secure, high-quality mobile applications used in real financial scenarios. You will work closely with product, backend, and QA teams to deliver a seamless and reliable mobile experience.

Details

Location: Sofia, Bulgaria (office in city centre)

Employment Type: Full-time, remote

Start Date: ASAP

Language Requirements: English — B2 or higher

Key Responsibilities

Design, develop, and maintain iOS applications for FinTech products

Implement clean, scalable, and testable code following Apple best practices

Collaborate with backend developers to integrate APIs and financial services

Work closely with product managers, designers, and QA to deliver high-quality features

Ensure application performance, stability, and security

Participate in code reviews and contribute to continuous improvement of the codebase

Support release processes, bug fixing, and ongoing application optimization

Stay up to date with iOS platform updates, trends, and emerging technologies

Requirements

4+ years of professional experience in iOS development

Strong knowledge of Swift and iOS SDK

Experience with iOS application architecture (MVC, MVVM, or similar)

Hands-on experience integrating RESTful APIs

Solid understanding of mobile security best practices

Experience working with Git-based version control systems

Familiarity with Agile/Scrum development processes

Strong problem-solving skills and attention to detail

Ability to work independently and as part of a cross-functional team

English level B2 or higher

Nice to Have

Experience in FinTech, banking, payments, or lending applications

Experience with Combine, RxSwift, or SwiftUI

Knowledge of CI/CD pipelines for mobile applications

Experience with mobile testing frameworks and automation