Senior Software Engineer/Developer

Soteria Reinsurance Ltd.; Boston, Northern (MA, KY); Hybrid; USD 137,000 - 141,000; Full time

Job summary

Fidelity Investments in Boston seeks a Senior Software Engineer/Developer to design and implement enterprise-grade applications and database solutions. You will build resilient RESTful services using Java/Scala, Spring Boot, and Maven, while guiding testing with JUnit, Mockito, Cucumber, Selenium, and Cypress across multiple projects.

You will collaborate with QA, DevOps, and product teams in an Agile setting to deliver high-quality software.

Qualifications

• Bachelor’s degree in CS/Engineering or related field required.
• 3+ years of experience as Senior Software Engineer/Developer in financial services or product development environments.
• Experience architecting and delivering high-performance back-end components with Java/Scala and RESTful APIs.

Responsibilities

• Develops original and creative technical solutions to ongoing development efforts.
• Designs applications or subsystems on major projects across multiple platforms.
• Develops applications for multiple projects supporting several divisional initiatives.
• Supports and performs all phases of testing leading to implementation.
• Establishes project plans for projects of moderate scope.

Skills

Java

Scala

Spring Boot

Maven

JUnit

Mockito

Cucumber

Selenium

Cypress

GitHub

Jira

Kafka

Spring Kafka

Offset Explorer

RESTful APIs

SQL/PLSQL

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field

Master’s degree in Computer Science, Engineering, Information Technology, or related field

Tools

SQL Developer

Selenium

Cypress

Kafka

Offset Explorer

GitHub

Jira

Job description

## Senior Software Engineer/DeveloperApplylocations: Boston, MAtime type: Full timeposted on: Posted Todaytime left to apply: End Date: September 8, 2026 (30+ days left to apply)job requisition id: 2133093## ## Job Description:**Note: Fidelity will not provide immigration sponsorship for this position.****Position Description**:Performs test automation at all levels of testing stages (unit, component, integration, and functional tests) using JUnit, Mockito, and Cucumber for integration testing. Applies Object-Oriented Design (OOD) principles using Java and JavaScript. Conducts testing using frameworks, test runners, and automation tools (Cucumber, Selenium, and Cypress). Provides business solutions by developing complex or multiple software applications.**Primary Responsibilities:*** Develops original and creative technical solutions to on-going development efforts.* Designs applications or subsystems on major projects and for/in multiple platforms.* Develops applications for multiple projects supporting several divisional initiatives.* Supports and performs all phases of testing leading to implementation.* Assists in the planning and conducting of user acceptance testing.* Develops comprehensive documentation for multiple applications supporting several corporate initiatives.* Responsible for post-installation testing of any problems.* Establishes project plans for projects of moderate scope.* Works on complex assignments and often multiple phases of a project.* Performs independent and complex technical and functional analysis for multiple projects supporting several initiatives.**Education and Experience**:Bachelor’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 Senior Software Engineer/Developer (or closely related occupation) designing and developing enterprise grade applications and database solutions to support and implement Information Technology (IT) solutions within a financial services, operations, or product development environment.Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Software Engineer/Developer (or closely related occupation) designing and developing enterprise grade applications and database solutions to support and implement Information Technology (IT) solutions within a financial services, operations, or product development environment.**Skills and Knowledge**:Candidate must also possess:* Demonstrated Expertise (“DE”) architecting and implementing high-performance back-end components using Java and Scala, delivering resilient RESTful Application Programming Interface (API) services that reinforce compliance platform reliability; implementing advanced architectural patterns, orchestrating services, and improving request-handling efficiency to support large-scale regulatory processing, using Spring Boot and Maven; and designing and executing robust unit and integration tests using JUnit and Mockito.* DE building sophisticated SQL and PL/SQL solutions for complex financial datasets, leveraging query optimization, indexing strategies, and execution-plan tuning; and enhancing database (DB) procedures with precise data transformations and implementing performance-driven routines to meet strict regulatory accuracy requirements, using SQL Developer.* DE developing and maintaining event-driven compliance workflows using Apache Kafka, establishing durable messaging patterns, enabling fault-tolerant processing, and ensuring real-time propagation of rule-test results across distributed systems; and designing scalable producer–consumer patterns and defining schema-managed topics to automate work-item creation and improve system responsiveness across distributed environments, using Spring Kafka and Offset Explorer.* DE driving high-quality software delivery in Agile and Scrum environments using Jira, facilitating iterative development, sprint planning, retrospectives, and fostering cross-team collaboration; implementing GitHub to enforce code quality and maintain traceability through structured branching along with conducting thorough pull-request reviews; and coordinating with product owners, Quality Assurance (QA), DevOps, and business partners to align technical solutions with business objectives and ensure reliable delivery.Salary: $136,500.00 to $141,000.00/year.#PE1M2#LI-DNIFidelity’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.