Yassir| Full-time

SENIOR MOBILE IOS ENGINEER (LAST MILE DELIVERY) AT YASSIR | SENIOR MOBILE IOS ENGINEER JOBS IN LAGOS

Lagos, Nigeria | Posted on 17/02/2026

About Company:

Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa. It is backed (~$200M in funding) by VCs from Silicon Valley, Europe and other parts of the world.

Job Description:

Yassir is building the future of on-demand services across Africa. As a Senior iOS Engineer, you will join our "Last Mile Delivery" tech stack, working on a high-quality codebase using the latest Swift and SwiftUI tools. This isn't just about building an app; it’s about engineering the interface for a complex ecosystem that handles real-time mapping, routing, and digital payments.

We are looking for a veteran developer with 5+ years of experience who thrives in a "Y Combinator" startup culture. You will be responsible for translating complex end-user requirements into pragmatic, high-performance technical solutions that can scale to millions of users.

Requirements:

1. High-Performance iOS Engineering

  • Native Development: Design and build robust applications using Swift and SwiftUI, ensuring the highest standards of responsiveness and quality.

  • Architecture & Integration: Deeply integrate mobile frontends with backend micro-services via RESTful APIs, ensuring seamless data flow for delivery tracking.

  • Optimization: Identify and correct performance bottlenecks and memory leaks to ensure a smooth user experience even in low-bandwidth environments.

2. Collaborative Problem Solving & Design

  • Root Cause Analysis: Dive into difficult technical problems and lead rapid, collaborative bug fixing and system hardening.

  • Product Brainstorming: Contribute directly to the evolution of our algorithms, mapping systems, and identity infrastructure.

  • Agile Shipping: Work alongside cross-functional teams to define, design, and ship new features on a strict production schedule.

3. Systems Infrastructure & Scaling

  • Scalability Mindset: Leverage familiarity with Docker, Kubernetes, and Redis to ensure the mobile experience remains stable as our user base grows.

  • Cloud Connectivity: Implement and maintain cloud message APIs and push notifications to keep users updated on delivery status in real-time.

  • Code Governance: Maintain high code quality through rigorous documentation, version control (GIT), and automated testing.

Qualifications and Skills:

Professional Profile

  • Education: B.Sc / M.Sc in Computer Science, Engineering, or a relevant field.

  • Experience: Minimum of 5 years of professional experience in iOS development.

  • Core Language: Expertise in Native Swift.

  • Web Tech: Mastery of REST/RESTful APIs and micro-services architecture.

Technical "Nice to Haves"

  • DevOps: Experience with Docker or Kubernetes.

  • Performance: Knowledge of Caching (Redis) and Web Load Balancing.

  • Sector Experience: Background in Mobility, Last-Mile Delivery, or Fintech is a major advantage.

Salary

Very attractive

Application Closing Date: Not specified

Application Instructions:

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Job Information

Deadline

Not specified

Job Type

Full-time

Industry

Engineering

Work Level

Experienced

State

Lagos

Country

Nigeria

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