Senior iOS Engineer (Hybrid or Remote)

Venga: bridging innovative blockchain technologies to traditional finance Venga is an app with a mission to take innovative blockchain technologies and bridge them to traditional finance inside a powerful centralized app, empowering people to effortlessly discover, invest, and navigate the world of Web3. Who We're Looking For We’re seeking a Senior iOS Engineer with deep expertise in Swift and a passion for building high-performance, user-centric mobile applications. You’ll play a pivotal role in shaping the future of our iOS app, ensuring it delivers a seamless, secure, and innovative experience for users navigating the intersection of Web3 and traditional finance. If you thrive in fast-paced environments, love solving complex technical challenges, and want to impact millions of users, this role is for you. What You'll Be Doing Design and develop robust , scalable iOS features for the Venga app, focusing on performance , security and maintainability . Collaborate closely with product managers, designers, and backend engineers to translate user needs into elegant technical solutions. Champion modern iOS best practices. Mentor junior engineers, conduct code reviews, and foster a culture of code quality and continuous improvement. Optimize app performance by identifying bottlenecks, improving memory management, and refining UI/UX responsiveness. Integrate blockchain technologies and traditional finance APIs securely into the app. Stay ahead of industry trends, experimenting with emerging iOS frameworks, tools, and Web3 mobile innovations. Ensure rigorous testing by implementing unit, integration, and UI tests alongside CI/CD pipelines. Who You Are & What You'll Need 4 years of commercial iOS development, including 2 years of SwiftUI using NavigationStack . Experience or knowledge of CoreData, MVVM with Routing, URLSession, SSL Pinning, Swift Concurrency, WebSocket (STOMP), Sentry and Firebase. Strong understanding of REST/GraphQL APIs, WebSocket integration, and offline-first strategies. Experience with dependency injection, modularization, and build optimization. Proven track record of shipping complex, high-traffic apps with a focus on performance and security . Deep understanding of automated testing (unit & UI) and CI/CD tools. Collaborative mindset : thrive in cross-functional teams and align technical decisions with business goals. Passion for Web3, fintech innovation, and solving real-world user problems. Fluent in English and Russian , with excellent communication skills for cross-functional teamwork. Nice to have Blockchain and Web3 experience. FinTech experience. Familiarity with compliance, AML and regulation. ISO/IEC 27001 experience. What we offer Full-Time Employment Contract . Own your time company culture - manage start and finish work times within each day. Mandatory office days : Mondays, Tuesdays, and Thursdays, with core office hours from 10:00 AM to 4:00 PM. A sunny office in Barcelona, less than 50 meters away from the beach! A brand new MacBook or similar option of your choice. 25 vacation days (more than the Spanish norm). Exciting work in a dynamic, international, and hyper-growth startup. If you do not live in Barcelona, you will be full-remote , but you must be within a maximum time zone difference of 3 hours from Barcelona

Location: Castro e Marzán, Galicia, ES

Posted Date: 8/22/2025