Senior Software Engineer

Fidelity Investments

Merrimack, NH, United StatesFull-timePosted Nov 5, 2026

About the role

Fidelity will not provide immigration sponsorship for this position.

Job Description:

The Role

Develops enterprise software solutions and performs end-to-end functional and non-functional testing within an Agile environment. Designs, develops, and maintains full-stack applications using Java/Spring MVC, Spring Core, Spring Boot, Angular, and Node.js. Implements interactive User Interface (UI) designs using Bootstrap5, CSS, AG Grid, and Angular Material. Tests and writes automated unit, integration, and end-to-end tests with tools -- cypress, junit, cucumber and karate. Maintains highly available, multi-region Kubernetes (AWS EKS environments), supporting mission-critical workloads. Writes SQL queries and debugs stored procedures within an Oracle environment. Provides business solutions by developing complex or multiple software applications.

The Expertise and Skills you Bring

Design, develop, and maintain scalable, high-performance web applications across both front-end and back-end technologies.

Architect and implement end-to-end solutions using modern frameworks, APIs, databases, and cloud-native services.

Collaborate with product managers, architects, UX designers, and engineering teams to translate business requirements into technical solutions.

Lead the development of responsive, accessible, and user-friendly interfaces while ensuring seamless integration with backend services.

Build and maintain RESTful APIs, microservices, and event-driven architectures that support enterprise-scale applications.

Develop, deploy, and support solutions on cloud platforms such as AWS and Azure.

Drive adoption of DevOps practices, including CI/CD pipelines, infrastructure automation, monitoring, and observability

Ensure application security, reliability, scalability, and performance through best practices in coding, testing, and architecture.

Perform code reviews, provide technical mentorship, and promote engineering excellence across the development team.

Troubleshoot complex production issues and implement solutions to improve system stability and operational efficiency.

Partner with cross-functional teams to ensure compliance with organizational, security, and regulatory requirements.

Performs independent and complex technical and functional analysis for multiple projects supporting several initiatives.

Bachelor’s degree in Computer Science, Engineering Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Senior Full Stack Engineer (or closely related occupation) designing, developing, testing, and maintaining software for UIs, middle-tier (Java), and back-end (PLSQL), according to Agile or Scrum methodologies.

Or, alternatively, Master’s degree in Computer Science, Engineering Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Full Stack Engineer (or closely related occupation) designing, developing, testing, and maintaining software for UIs, middle-tier (Java), and back-end (PLSQL), according to Agile or Scrum methodologies.

Demonstrated expertise ('DE') in designing, developing, and maintaining enterprise-scale web applications using modern front-end technologies (Angular, React, JavaScript/TypeScript, HTML5, CSS3, AG-Grid, Angular Material) and back-end technologies (Java, Node.js, or similar frameworks); Implementing front end unit tests using Junit, Jest, Cy-press, and Playwright;

DE implementing and coordinating Continuous Integration and Continuous Deployment (CI/CD) pipelines using Jenkins, Git or GitHub, Kubernetes, Bitbucket, and Artifactory; monitoring code quality using SonarQube and Veracode; performing infrastructure automation using Python and PowerShell; performing and automating load testing using JMeter, Selenium, Cypress, and TestNG; and building Jenkins pipelines for Docker containers and deploying applications in a Cloud environment.

DE designing and developing RESTful APIs using Java17, Spring Boot, OAuth, and Python; building scalable messaging applications using Kafka; developing secure, Cloud-native applications using AWS core services (EC2, S3 and lambda); coordinating infrastructure automation using DevOps scripting, Python, and PowerShell; and Datadog (for real-time monitoring).

DE developing and coordinating database systems using Oracle; performing database normalization and tuning Oracle queries.

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 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.

Responsibilities

  • Develop and maintain full-stack enterprise applications using Java, Spring, Angular, Node.js, and related technologies.
  • Design and implement RESTful APIs, microservices, cloud-native services, and database solutions.
  • Build and maintain automated unit, integration, end-to-end, and load tests.
  • Deploy and support applications on AWS and Kubernetes, including CI/CD and infrastructure automation.
  • Ensure application security, reliability, scalability, and performance.
  • Review code, mentor engineers, troubleshoot production issues, and collaborate with cross-functional teams.

Qualifications

  • Bachelor’s degree in a related field and three years of relevant experience, or a master’s degree and one year of relevant experience.
  • Experience designing, developing, testing, and maintaining user interfaces, Java middle-tier systems, and PL/SQL back ends using Agile or Scrum.
  • Demonstrated expertise with modern front-end technologies such as Angular or React, JavaScript or TypeScript, HTML5, and CSS3.
  • Experience with Java, Spring Boot, REST APIs, Oracle, and cloud services such as AWS.
  • Experience with CI/CD, Kubernetes, Docker, automated testing, infrastructure automation, and application monitoring.

Skills mentioned

JavaSpring BootAngularREST APIsMicroservicesAWSKubernetesCI/CDOracle DatabaseSoftware Testing

About Fidelity Investments

Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve. Fidelity’s strength comes from the scale of our diversified, market-leading financial services businesses that serve individuals, families, employers, wealth management firms, and institutions. With assets under administration of $15.0 trillion, including discretionary assets of $5.9 trillion as of March 31, 2025, we focus on meeting the unique needs of a broad and growing customer base. Privately held for 78 years, Fidelity employs more than 77,000 associates across the United States, Ireland, and India. For our Terms and Conditions, please visit http://go.fidelity.com/LIterms

Financial Services10,001+ employeesBoston, MA

H-1B sponsorship history

Historical employer filing data was found for Fidelity Investments. The employer record includes 369 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.