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Added 3 mins ago
UG
Principal Data Engineer - Remote
UnitedHealth Group
Eden Prairie, MN
- $112,700 to $193,200 USD / year
…Azure Databricks, LakeBase, and Apache Spark to support data integration, analytics, machine learning features, and predictive…
Added 3 mins ago
C
Automation Tester (card processing and payments)
Cognizant
Alpharetta, GA
- $53,000 to $92,500 USD / year
Strong hands-on experience in REST/SOAP API testing using tools such as Postman, SoapUI, or Thunder Client, along with web UI functional and integration testing.
Added 3 mins ago
C
Automation Tester (card processing and payments)
Cognizant
Alpharetta, GA
- $53,000 to $92,500 USD / year
Strong hands-on experience in REST/SOAP API testing using tools such as Postman, SoapUI, or Thunder Client, along with web UI functional and integration testing.
Added 3 mins ago
G
Program Analytics & Data Visualization Specialist I
Guidehouse
ATLANTA, GA
- $70,000 to $116,000 USD / year
Familiarity with data integration, API connectivity, and enterprise data architectures.
Added 3 mins ago
Agentic Commerce Senior Manager | Industrial
Accenture
Atlanta, GA
…teams across strategy, digital experience, content, platform integration, data, sales, and account teams. You will help clients improve how their products, services, and commercial…
Added 3 mins ago
Staff Full-stack Engineer - Shopping (Remote-eligible)
Capital One
Atlanta, GA
Collaborate with senior engineering and architecture leaders to define long-term platform strategy and API standards
Added 3 mins ago
A
MarTech Data Architect
Accenture
Atlanta, GA
- $132,500 to $302,400 USD / year
Strong foundation in data architecture: modeling, integration patterns, API design, and cloud platforms (AWS, GCP, Azure)
Added 3 mins ago
Sr Site Reliability Engineer -Remote US
SitusAMC
Atlanta, GA
Lead strategic initiatives for seamless application integration, orchestrating the collaboration of diverse software components to enhance overall system efficiency and drive optimal…
Added 3 mins ago
Senior Frontend Engineer - Hashicorp Vault
IBM
Atlanta, GA
Debug and resolve complex UI issues, including API integration, performance optimization, and security vulnerabilities
Added 3 mins ago
C
Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Atlanta, GA
- $50,000 to $92,500 USD / year
…executing comprehensive test strategies across functional, integration, regression, and end-to-end testing efforts. You will leverage modern automation frameworks, perform API and database…
Added 4 mins ago
C
Senior Mainframe CoolGen Developer
Cognizant
Atlanta, GA
- $55,350 to $82,000 USD / year
We are looking for an experienced Senior Mainframe CoolGen Developer to design, develop, test, enhance, and support high-volume, reliable enterprise applications built on CA Gen/CoolGen and…
Added 4 mins ago
Archer IRM Developer / Administrator
Cognizant
Atlanta, GA
We are seeking an experienced Archer IRM Developer / Administrator to design, configure, enhance, and support enterprise Governance, Risk, and Compliance (GRC) solutions. This role will…
Added 11 mins ago
K
Automation Engineer III
Kforce
Remote, United States
- $45 to $50 USD / hour
Design and maintain frontend, backend/API, integration, and end-to-end automated tests using Playwright and TypeScript
Added 12 mins ago
Azure Developer
Robert Half
Miami, FL
We are seeking a knowledgeable Azure Developer to build cloud-native applications and services using Microsoft Azure technologies. This role is ideal for someone who enjoys designing…
Added 15 mins ago
UG
Director Architecture - Remote
UnitedHealth Group
United States
- $134,600 to $230,800 USD / year
Establish and enforce enterprise standards for application, data, cloud, integration, API, and security architecture
Added 20 mins ago
TB
Sr. Manager – MarTech Data & Platforms Engineering
Truist Bank
Atlanta, GA
- $133,000 to $188,000 USD / year
Strong proficiency in SQL, Python, ETL/rETL frameworks, Streaming, Data modeling, API integrations.
Added 21 mins ago
Senior Embedded Software Engineer
Lynx Software Technologies, Inc.
Atlanta, GA
…commercial space partners. We specialize in the development, integration, test, and deployment of safety & mission-critical software systems that power next-generation aircraft, defense…
Added 22 mins ago
Principal Technologist - 90335753 - Remote
Amtrak
United States
…Android | Mobile Device Management | PowerShell | Microsoft Graph API | REST APIs | JSON | ServiceNow | Conditional Access | Endpoint Security and Compliance | Application Deployment |…
Added 24 mins ago
Mobile DevOps Engineer
Infosys
United States
⦁ The ability to work with cross-functional teams and do software integration.
Added 24 mins ago
Java React Lead
Infosys
United States
Added 29 mins ago
BV
.NET Solutions Architect
Bright Vision Technologies
Edison, NJ
- $115,000 to $165,000 USD / year
…stack relevant to the project. The work spans implementation, API and data integration, code quality, release readiness, and production troubleshooting. The successful candidate will apply…
Added 29 mins ago
BV
.NET Technical Lead
Bright Vision Technologies
Sunnyvale, CA
- $115,000 to $165,000 USD / year
…stack relevant to the project. The work spans implementation, API and data integration, code quality, release readiness, and production troubleshooting. The successful candidate will apply…
Added 36 mins ago
UX Designer, Geo Makers
Google
New York, NY · Mountain View, CA · Seattle, WA
Experience addressing developer pain points across SDK integration, rate limits, schema definitions, and API error handling.
Added 38 mins ago
Java Software Engineer
Charles Schwab Inc.
Southlake, TX · Austin, TX
6+ years of experience in software engineering with Java, Spring Framework, and RESTful API development.
Added 40 mins ago
Senior Architect, ServiceNow
ATLANTA, GA
Strong technical understanding of the ServiceNow platform in general and Integration tools

Fidelity Technology Group, LLC

Principal Mobile Developer

Westlake, TX, United States

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Job details

Apply by: Dec 15, 2026
Posting language: English
Posted: Nov 4, 2026

Original job description

Fidelity will not provide immigration sponsorship for this position.

Job Description:

Position Description:

Develops and enhances full stack web applications and native mobile applications using Test Driven Development (TDD) and automated testing to ensure stability, resilience, and strong code coverage. Builds native iOS applications using Swift and SwiftUI, and native Android applications using Kotlin and Compose. Designs and implements scalable back-end services, RESTful Application Programming Interface (APIs), and microservices architecture. Executes end-to-end releases with automated Continuous Integration/Continuous Delivery (CI/CD) pipelines using Jenkins and platform specific tooling for web and mobile deployments. Works with architecture, security, and User Experience (UX) design teams to deliver compliant, accessible, and user friendly solutions aligned with Web Content Accessibility Guidelines (WCAG), Apple Human Interface Guidelines, and Material Design. Supports efficient engineering practices, including trunk-based development, feature toggles, and branch by abstraction, using CI/CD and testing tools. Develops back-end systems using cross platform knowledge, API design, and security best practices including OAuth (Open Authorization) and OpenID Connect, and Amazon Web Services (AWS) Elastic Compute Cloud (EC2), Lambda, DynamoDB, and Simple Storage Service (S3). Applies engineering best practices and security standards to ensure quality, maintainability, and compliance.

Primary Responsibilities:

Designs, develops, and maintains full-stack features across back-end and native mobile platforms (iOS and Android).
Coordinates end-to-end feature development from concept through production deployment, taking ownership of technical decisions across the entire stack.
Builds and maintains scalable microservices and RESTful/GraphQL APIs that support web and mobile application functionality.
Develops comprehensive documentation for multiple applications or subsystems.
Plans and coordinates project schedules and assignments for multiple technology initiatives.
Advises on risk assessment and risk management strategies for engineering projects.
Provides technology solutions to daily issues and delivers technical evaluation estimates for upcoming initiatives.
Mentors junior team members.
Contributes to technical roadmap planning and advises senior management on technical strategy.
Monitors application performance, troubleshoots issues, and implements optimizations across the technology stack.
Researches and evaluates advancements in self-custody crypto wallet encryption to inform design decisions, enhance security controls, and ensure alignment with emerging standards.

Education and Experience:

Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Mobile Developer (or closely related occupation) developing native mobile applications for iOS and Android and integrating them with back-end APIs, within an Agile and DevOps environment.

Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Mobile Developer (or closely related occupation) developing native mobile applications for iOS and Android and integrating them with back-end APIs, within an Agile and DevOps environment.

Skills and Knowledge:

Candidate must also possess:

· Demonstrated Expertise designing scalable backend services and microservices architecture using Node.js, NestJS, or GraphQL; and building RESTful or GraphQL APIs with authentication and authorization mechanisms (OAuth and OpenID Connect) that support web or mobile experiences, while ensuring security, performance, and maintainability across distributed systems. · Demonstrated Expertise performing native iOS mobile application development and testing using XCUITest, XCTest, Swift, SwiftUI, Objective-C, UIKit, and reactive programming with Combine, within mobile specific VIPER or MVVM architecture patterns, and in alignment with Apple Human Interface Guidelines and the full App Store application lifecycle and release process. · Demonstrated Expertise performing native Android mobile application development and testing using Espresso, JUnit, Kotlin, Compose, Java, XML layouts, and reactive programming with Coroutines, within Clean Architecture patterns and in an environment that supports the full application lifecycle and release process for the Google Play Store; and creating performant and accessible user experiences aligned with Material Design Guidelines and Google Play guidelines. · Demonstrated Expertise performing technical solutioning, implementation support, and code review activities using backend and mobile development technologies, peer mentorship practices, estimation and requirement-refinement tools, and cross-functional collaboration methods within an Agile environment that includes sprint planning, iterative development cycles, coordination with product managers and stakeholders across multiple business units, and alignment between business requirements and technical execution. #PE1M2

Fidelity’s Onsite Working Model Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Certifications:

Category:

Information TechnologyPlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

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More about this job

Skills

Test automation
Swift
Kotlin
ICT system programming
Microservices Architecture
CI/CD
Jenkins
ICT accessibility standards
API development
AWS
Amazon DynamoDB
Security regulations
Regulatory compliance
Microservices
GraphQL
Documentation
Hazard assessment
Risk management
Computer science
Computer technology
Node.js
Objective C
JUnit
Oracle Java
Mobile development
Estimating
Collaboration
Iterative development
Securities

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