iOS Engineer

ION

On-site

New York, NY

Full-time

Principal

Senior

12+ yrs

Salary not listedPosted 3w ago

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Real job — pulled straight from ION’s careers page · Verified July 24, 2026 · No reposts.

ION is hiring a iOS Engineer — a full-time, based in New York, NY role. Apply directly on ION's careers page below.

Principal iOS Engineer, New York

Team: Software Engineering

Location: New York

Commitment: Full-time

Workplace Type: onsite

Salary:

Placement within the range provided above is based on the individual’s relevant experience and skills for the role and level. We are hiring across multiple levels for this job.

Base salary is only one component of our total compensation package. Employees may be eligible for a discretionary bonus, which is determined upon company and individual performance.
Salary range disclosure as required by S9427A when hiring in New York.

LAB49 is currently looking for a PrincipaliOS Engineer who will play a critical role on key projects for Lab49 clients. Working in a collaborative and innovative project team, with direct client-facing interactions, you will have an opportunity to apply your skills and expertise to design innovative applications that solve complex problems and enhance performance and productivity at our marquis clients.

In this dynamic role you will be working within a dedicated team to enhance a flagship wealth management mobile platform for ultra-high-net-worth individuals, delivering new features, modernizing existing experiences, and driving continuous product innovation.

Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.

Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.

Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to business problems but delivering them into production.

Responsibilities

Develop and maintain robust iOS applications using Swift and SwiftUI/ UIKit, ensuring optimal performance and responsiveness.

Collaborate with product managers, UI/UX designers, and backend developers to define, design, and ship new features.

Write clean, maintainable, and efficient code, adhering to best practices and architectural patterns (e.g., MVVM).

Perform unit and integration testing to ensure application quality and stability.

Troubleshoot, debug, and optimize application performance.

Stay up-to-date with the latest mobile technologies, frameworks, and industry trends.

Required Skills And Experience

10-12+ years of experience with native iOS development

Proficiency in Swift and experience with native iOS development tools such as Xcode, SwiftUI, and UIKit

Experience with GitLab/ GitHub

Familiarity with integrating RESTful APIs and third-party libraries

Understanding of mobile UI/UX principles and best practices to create intuitive and engaging user experiences

Preferred Qualifications

A strong portfolio of released applications on the App Store

Experience with AppConfig community standards and enterprise app distribution

Experience with agile development methodologies

Knowledge of continuous integration and continuous deployment (CI/CD) pipelines for mobile applications

Knowledge and/ or experience with the asset management (ideally - wealth management) domain

Our total rewards program is designed to support employee well-being and professional growth. We offer a competitive benefits package including a discretionary bonus, paid holidays, a 401(k), and comprehensive medical, dental, and vision coverage. Additional benefits include life insurance, short and long-term disability, Commuter FSA, Family Building Benefits, and more. All benefits are subject to eligibility requirements.

Lab49 is a specialist strategy, design, and technology consulting company dedicated to the financial services industry. We were founded in 2002 to fill a need in the Financial Technology marketplace for high-end execution and reliable delivery of technology projects.

Our consultants are experts in strategy, user experience, architecture, engineering, and delivery management. We combine knowledge of the latest trends in technology with deep domain expertise to deliver innovative solutions with accelerated time-to-market.

We have office hubs in Midtown Manhattan, Washington DC, London, Budapest, New Delhi and Sydney.

Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business.
Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.