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Principal iOS Engineer, New York

ION Group iongroup.com Open · verified Oct 24, 2026
On-site New York Full-time Senior Mobile Engineering

At a glance

Senior Mobile Engineering role at ION Group. New York · full-time · $180,000–$200,000 base.

SalaryStated by ION Group
$180,000 – $200,000
Base salary for this role, in USD per year, as published in the posting.
This role, from ION GroupOur estimate for the market: $182,500–$209,050Median $195,000
The range includes the market median of $195,000 for senior mobile engineering roles in New York.
Worked out from 25 postings that stated pay, median $195,000. Last updated Oct 23, 2026.
RoleMobile Engineering
SenioritySenior
LocationNew York
WorkplaceOn-site
EmploymentFull-time
Base pay$180,000–$200,000
PostedJul 23, 2026 · 3mo ago
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Build and maintain iOS apps with Swift and SwiftUI or UIKit, keeping them responsive and performant
  • Shape and ship features with product managers, designers and backend developers
  • Use maintainable code and established patterns such as MVVM, then test changes for quality and stability
  • Track down bugs and improve app performance, while keeping current with mobile frameworks and practices

What you bring

  • At least ten years of native iOS development experience
  • You work with Swift, Xcode, SwiftUI and UIKit, and have used GitLab or GitHub
  • You can connect REST APIs and third-party libraries, and apply mobile UI/UX principles to app design

Who this fits

This senior, client-facing role suits a principal iOS engineer who can build and modernize a wealth management app within a dedicated project team. The job is onsite five days a week at the World Trade Center in New York.

From the employer


Copilot said:

LAB49 is currently looking for a Principal iOS 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.

    • This is an onsite role - 5 days/ week in the World Trade Center are in NYC

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.
Opportunity

Mobile Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Mobile Engineering$180k+

Find me work

By the team behind techroles.

Find me work
Opportunity

Mobile Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.