Principal Software Engineer at Fidelity Investments Boston, MA
Downtown Boulder Partnership
Principal Software Engineer – Boston, MA Job Description The Role As a Principal Software Engineer for Core Custody – Institutional Digital, you will build and maintain a new API platform for accessing Fidelity Digital Assets Services. You will work across engineering, architecture, and product teams to deliver a reliable, resilient API offering that meets customer needs. Responsibilities Design, build, and document customer-facing RESTful APIs. Ensure API reliability and resilience for public-facing services. Collaborate with engineering, architecture, and product stakeholders to understand business requirements. Participate in solution design of large-scale distributed systems supporting public-facing websites. Leverage AWS services architecture and patterns to deliver scalable, cloud-based services. Apply infrastructure-as-code, test automation, CI/CD, and containerization practices. Maintain high-performing databases and SQL performance. Ensure software can withstand unreliable environments. Qualifications Bachelor’s degree in Computer Science or related field. 8+ years of software engineering experience. Expertise in designing, building, and documenting customer-facing RESTful APIs. Experience with Java development. Experience with WebSockets and/or FIX APIs (plus). Prior experience designing large-scale production distributed systems. Familiarity with AWS services architecture and solution patterns. Experience with infrastructure as code and CI/CD pipelines. Proficiency in databases and SQL. Ability to build reliable software in unreliable environments. Strong analytical, communication, and organizational skills. Ability to collaborate with stakeholders. Equal Opportunity Fidelity Investments is an equal‑opportunity employer. We embrace diversity and are committed to inclusion. Fidelity will accommodate applicants with disabilities. For accommodation requests contact View email address on click.appcast.io. #J-18808-Ljbffr
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