Senior Full Stack Engineer

Fidelity Financial Services

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Durham, NC
Posted
2 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

How this pay compares to similar roles

Similar $187k
$141k $234k
below market most similar roles pay here above market

This listing doesn't post a salary. Most similar roles pay $150,000–$223,750.

Based on 240 similar postings.

Employer

About Fidelity Financial Services

Fidelity Investments is one of the largest financial services companies in the world, offering brokerage services, mutual funds, retirement planning, wealth management, and life insurance to individuals and institutions. Industry: Financial Services & Investment Management

Fidelity Financial Services currently has 137 open roles on FindRole.

Listed pay typically runs $107,000–$216,000 across 35 roles with salary data.

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At a glance

TL;DR · Senior Full Stack Engineer

The Senior Full Stack Engineer joins the engineering team to support the understanding, documentation, and optimization of end-to-end application and data flows across complex enterprise systems. This role serves as a critical liaison between business stakeholders and engineering teams, analyzing how data moves from databases through backend services, middleware, and APIs into front-end applications. You will build and maintain system architecture diagrams, process flows, and data lineage documentation while performing root cause analysis on production incidents. Key responsibilities include writing complex SQL queries for data mining and validating data movement across multi-tier environments. Required skills include expertise in SQL Server, Oracle, PostgreSQL, or MySQL, along with experience in REST APIs, system integration analysis, and technical documentation. Preferred tools include Postman, Azure, Splunk, and Jira.

What does a Full Stack Engineer earn?

Median $211200 from 448 postings across 39 companies.

See salary data

What you'll do

  • Analyze and document end-to-end data flows across databases, backend services, middleware, APIs, and front-end applications.
  • Develop and maintain system architecture diagrams, process flows, and data lineage documentation.
  • Write complex SQL queries to extract, validate, and troubleshoot data across multiple relational databases.
  • Perform root cause analysis and data mining to investigate production incidents and data discrepancies.
  • Analyze REST APIs, service interactions, and integration patterns to support application modernization.
  • Create comprehensive technical documentation including interface specifications, data dictionaries, and system dependency maps.
  • Validate data movement and accuracy between source systems and consuming applications.
  • Identify opportunities to improve data transparency, operational efficiency, and system observability.

What we're looking for

  • 5 plus years of experience as a Systems Analyst, Technical Analyst, Business Systems Analyst, or related role.
  • Strong expertise in SQL with demonstrated ability to write complex queries, joins, aggregations, subqueries, CTEs, and performance analysis.
  • Experience analyzing relational database structures and data models.
  • Proven ability to document complex system architectures and data flows.
  • Experience working with multi-tier application environments including databases, backend services, middleware, APIs, and front-end applications.
  • Strong analytical and problem-solving skills.
  • Excellent verbal and written communication skills.
  • Experience with API analysis tools, cloud platforms, microservices, or diagramming tools (preferred).

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