Principal Mobile Developer

Fidelity Financial Services

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Quick summary

Work type
On-site
Location
Westlake, TX
Posted
1 day ago
Freshness
Confirmed live today

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Salary context

How this pay compares to similar roles

Similar $197k
$129k $275k
below market most similar roles pay here above market

This listing doesn't post a salary. Most similar roles pay $169,550–$223,625.

Based on 240 similar postings.

Employer

About Fidelity Financial Services

Fidelity Investments is one of the largest financial services companies in the world, offering brokerage services, mutual funds, retirement planning, wealth management, and life insurance to individuals and institutions. Industry: Financial Services & Investment Management

Fidelity Financial Services currently has 141 open roles on FindRole.

Listed pay typically runs $107,000–$216,000 across 35 roles with salary data.

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At a glance

TL;DR · Principal Mobile Developer

The Principal Mobile Developer joins the engineering team to design, develop, and maintain full-stack features across native mobile platforms and back-end services. This role involves building native iOS applications using Swift, SwiftUI, and Objective-C, alongside native Android applications using Kotlin, Compose, and Java. The developer will implement scalable microservices, RESTful and GraphQL APIs, and manage CI/CD pipelines using Jenkins. Key responsibilities include mentoring junior members, performing risk assessments, and researching self-custody crypto wallet encryption. Technical requirements include expertise in Node.js, NestJS, AWS services like EC2, Lambda, DynamoDB, and S3, as well as security protocols like OAuth and OpenID Connect. The position ensures compliant, accessible solutions following WCAG, Apple Human Interface Guidelines, and Material Design within an Agile and DevOps environment.

What you'll do

  • Develop and maintain full-stack features for native iOS (Swift/SwiftUI) and Android (Kotlin/Compose) applications.
  • Design and implement scalable microservices, RESTful APIs, and GraphQL APIs using Node.js, NestJS, or similar technologies.
  • Execute end-to-end releases using automated CI/CD pipelines with Jenkins and AWS services like EC2, Lambda, and DynamoDB.
  • Implement security best practices including OAuth, OpenID Connect, and self-custody crypto wallet encryption.
  • Monitor application performance, troubleshoot technical issues, and implement optimizations across the entire technology stack.
  • Provide technical solutioning, estimates, and code reviews while mentoring junior team members in an Agile environment.
  • Research emerging technologies and advise senior management on technical roadmaps and risk management strategies.

What we're looking for

  • Bachelor’s degree in Computer Science, Engineering, IT, Information Systems, or a related field and five years of experience as a Principal Mobile Developer.
  • Master’s degree in Computer Science, Engineering, IT, Information Systems, or a related field and three years of experience as a Principal Mobile Developer.
  • Experience developing native mobile applications for iOS and Android and integrating them with back-end APIs within Agile and DevOps environments.
  • Expertise designing scalable backend services and microservices using Node.js, NestJS, or GraphQL with OAuth and OpenID Connect.
  • Expertise in native iOS development using Swift, SwiftUI, Objective-C, UIKit, XCUITest, XCTest, and Combine within VIPER or MVVM patterns.
  • Expertise in native Android development using Kotlin, Compose, Java, Espresso, JUnit, and Coroutines within Clean Architecture patterns.
  • Experience with CI/CD pipelines using Jenkins and AWS services including EC2, Lambda, DynamoDB, and S3.
  • Experience with Test Driven Development (TDD), trunk-based development, and WCAG accessibility guidelines.

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