Principal Software Engineer/Developer

Posted Yesterday
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Jersey City, NJ, USA
In-Office
165K-181K Annually
Senior level
Fintech
The Role
Lead design and implementation of application-level architecture and automation test suites for trading platforms. Develop complex software across front-end, mid-tier, and back-end systems; create test strategies, CI/CD pipelines, and automated validation for REST APIs and market data. Mentor engineers, coordinate multi-project schedules, advise on technical strategy, and ensure QA readiness in non-production and cloud/containerized environments.
Summary Generated by Built In
Job Description:

Position Description:

Develops and maintains automation testing suites using common industry platforms -- Selenium, Cypress, Cucumber, Playwright. Utilizes Java, Angular and Single Page Application, JavaScript and Typescript to automate mobile, front-end, mid-tier, and back-end applications. Uses business knowledge to translate the vision for divisional initiatives into business solutions by developing complex or multiple software applications and conducting studies of alternatives. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management.

Primary Responsibilities:

  • Participates in architecture design teams.
  • Defines and implements application-level architecture.
  • Develops applications on complex projects, components, and subsystems for the division.
  • Recommends development testing tools and methodologies and reviews and validates test plans.
  • Responsible for QA readiness of software deliverables.
  • Develops comprehensive documentation for multiple applications or subsystems.
  • Establishes full project life cycle plans for complex projects across multiple platforms.
  • Responsible for meeting project goals on-time and on-budget.
  • Advises on risk assessment and risk management strategies for projects.
  • Plans and coordinates project schedules and assignments for multiple projects.
  • Acts as a primary liaison for business units to resolve various project/technology issues.
  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.
  • Advises senior management on technical strategy.
  • Mentors junior team members.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
  • Develops original and creative technical solutions to on-going development efforts.

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 Software Engineer/Developer (or closely related occupation) performing system analysis, and creating and executing comprehensive test strategies for trading platforms in a financial services industry.

 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 Software Engineer/Developer (or closely related occupation) performing system analysis, and creating and executing comprehensive test strategies for trading platforms in a financial services industry.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) participating in system and application design, and creating application architecture, using Microsoft Word and Visio in a financial services environment; analyzing and interpreting business requirements and creating system test strategy and test plan, using test management tools (Jira X-Ray and HP Application Lifecycle Management (ALM)) in financial services environment; and performing analysis and testing production bug fixes, using Selenium WebDriver, FIX Protocol, Postman, and REST Assured in non-production environments.
  • DE creating and maintaining automation frameworks for functional and performance testing of customer facing trading applications and Internal Trading System (ITS) components, using Playwright, Java, KDB, PostgreSQL, and JMeter; designing and creating data comparison tools to compare data between sources and databases within the platform, using Java, KDB, JDBC, and PostgreSQL, in a non-production environment; and configuring Continuous Integration/Continuous Delivery (CI/CD) pipelines (using Jenkins) and reporting issues (using JIRA) in a non-production environment.
  • DE testing core trading system functions (order management, order crossing, order routing, and risk management) using FIX protocol, Java, Selenium WebDriver, Playwright, and testing tools, in a non-production LINUX environment; testing and debugging containerized trading applications deployed in Amazon Web services (AWS) Cloud environment and integrated with On-Prem applications, using Docker, FIX Protocol, Kubernetes, PostgreSQL, and Kafka in non-production environments -- QA and UAT; and validating market data systems and REST APIs by creating automated solutions, using Java, FIX Protocol, JSON/FIX Parsers, and REST Assured in non-production environments (DEV, QA, and UAT).
  • DE setting up non-production environment by installing back-end components built in C++ and Java, using shell scripts and UNIX Cronjobs in UNIX non-production environments (Development, Development Integration, and QA); participating in standups and ceremonies as part of Agile methodology, using Agile board to collaborate on daily basis with stakeholders; and working with business users and development teams to advise on solutions and roll out fixes for seamless integration of application components (using Java, C++, and Jenkins for QA and UAT environment) and UNIX shell scripts (in Development, Development Integration, and QA environments).

Salary:  $165,000.00 to $181,000.00/year.

#PE1M2

#LI-DNI

Certifications:

Category:Information Technology

Please 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.

Skills Required

  • Bachelor's degree in Computer Science, Engineering, IT, Information Systems or related (or foreign equivalent) or Master's degree alternative
  • Five years (with Bachelor's) or three years (with Master's) experience as a Principal Software Engineer/Developer or closely related role
  • Experience creating and executing comprehensive test strategies for trading platforms in financial services
  • Hands-on automation testing with Selenium, Cypress, Cucumber, or Playwright
  • Strong Java development experience (including building automation frameworks and data comparison tools)
  • Proficiency with JavaScript and TypeScript and front-end frameworks (Angular, Single Page Applications)
  • Experience with FIX Protocol, market data validation, JSON/FIX parsers, and testing FIX-based trading functions
  • Experience with test tools: Postman, REST Assured, Selenium WebDriver, JMeter
  • Experience with databases and data tools: KDB, PostgreSQL, JDBC
  • CI/CD and automation tooling experience (Jenkins) and reporting issues using JIRA/Jira X-Ray
  • Experience with containerization and cloud: Docker, Kubernetes, AWS; testing containerized trading applications
  • Experience with Linux/UNIX environments, shell scripting, and UNIX Cronjobs
  • Experience testing order management, order routing, crossing, and risk management components in non-production environments
  • Experience using Visio and Microsoft Word for system/application design documentation
  • Experience with performance and functional testing of customer-facing trading applications and internal trading systems

Fidelity Investments Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fidelity Investments and has not been reviewed or approved by Fidelity Investments.

  • Strong & Reliable Incentives Bonuses, commissions, and profit-sharing are presented as generous and meaningful components of total compensation, with certain roles achieving high total earnings through multiple pay streams. Variable pay is consistently framed as a positive contributor beyond base salary.
  • Retirement Support A 401(k) match up to 7% alongside additional profit-sharing up to 10% materially enhances long-term compensation. These retirement features are highlighted as standout strengths of the overall package.
  • Parental & Family Support Generous paid parental leave (16 weeks maternity, 12 weeks parental), backup dependent care, and adoption assistance provide robust family support. Hybrid work and caregiving resources further ease family responsibilities.

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The Company
HQ: Boston, MA
58,848 Employees
Year Founded: 1946

What We Do

At Fidelity, our goal is to make financial expertise broadly accessible and effective in helping people live the lives they want. We do this by focusing on a diverse set of customers: - from 23 million people investing their life savings, to 20,000 businesses managing their employee benefits to 10,000 advisors needing innovative technology to invest their clients’ money. We offer investment management, retirement planning, portfolio guidance, brokerage, and many other financial products. Privately held for nearly 70 years, we’ve always believed by providing investors with access to the information and expertise, we can help them achieve better results. That’s been our approach- innovative yet personal, compassionate yet responsible, grounded by a tireless work ethic—it is the heart of the Fidelity way.

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