Senior Full Stack Engineer
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Before you apply
LocationWestlake, TX
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentInformation Technology
Company size10,000+ people
PostedOct 30, 2026 · 1w ago
Verified live11h ago
At a glanceSummarised by Seekless from the posting.
Bachelor's degree or higher in a technology related field (like Engineering, Computer Science, Information Technology)
A minimum of 5 years of hybrid experience in Production Support, Development and SRE Experience
Hands-On experience deploying and/or supporting highly distributed multi-tiered systems at scale
A minimum of 2 years of experience in cloud development (AWS)
Experience with designing, building and operating highly resilient platforms in AWS Cloud Environments
2–4 years of experience in software development with Java or Go with a focus on SDLC and automation
Strong understanding of modern authorization architectures, including RBAC, ReBAC, JWT-based authorization, and OAuth 2.0
Hands-on experience designing and implementing secure, scalable access control solutions for distributed applications
A self-starter and team player who can independently manage multiple responsibilities in a dynamic environment
Strong hands-on experience and ability to automate with various scripting languages such as Python, Shell Scripting, etc
Solid understanding of Cloud Computing and DevOps concepts including CI/CD Pipelines
2–4 years of Hands-On Kubernetes skills and knowledge including support and app deployment experience
Expert and hands on experience with one or more Observability tools (OpenSearch, Open Telemetry, Datadog, Splunk)
Experienced in Instrumentation with systems skills on building and operating, monitoring, logging, alerting services of distributed systems at scale
Proven experience in maintaining scalability and resiliency in complex environments
Proven experience in implementing advanced observability practices and techniques at scale
Ability to triage, perform root cause analysis, and be decisive under pressure
Experience managing and interpreting large datasets using query languages and visualization tools
Excellent verbal, written communication skills and ability to tailor them to various audiences
Ability and high-level curiosity enabling the desire to learn new technologies, tools and bring them to our developers
Ability to work with a variety of individuals and groups, both in person and virtually, in a constructive and collaborative manner to build and maintain effective relationships
Familiarity with Agile Software Development Methodologies
Highly effective business communication and influencing skills
Master's degree is a plus
AWS certifications are a plus
AWS/EKS certifications are a plus
Fidelity will not provide immigration sponsorship for this position
Skills
Python
Shell Scripting
Java
Go
AWS
Kubernetes
OpenSearch
Open Telemetry
Datadog
Splunk
RBAC
ReBAC
JWT
OAuth 2.0
CI/CD
Fidelity will not provide immigration sponsorship for this position.
Job Description:
The Team
The Authorization Team within the Shared Services Engineering organization is a dynamic, globally distributed group that owns a critical application responsible for performing data and functional authorization checks across the majority of Fidelity’s core brokerage platforms. The team designs and implements security patterns to protect customer data, and manages and supports authorization services in production environments
The Skills you Bring
· Bachelor’s degree or higher in a technology related field (like Engineering, Computer Science, Information Technology) required, master’s degree is a plus
· A minimum of 5 years of hybrid experience in Production Support, Development and SRE Experience. Hands-On experience deploying and/or supporting highly distributed multi-tiered systems at scale
· A minimum of 2 years of experience in cloud development (AWS); Experience with designing, building and operating highly resilient platforms in AWS Cloud Environments
· 2 – 4 years of experience in software development with Java or Go with a focus on SDLC and automation
· Strong understanding of modern authorization architectures, including RBAC, ReBAC, JWT-based authorization, and OAuth 2.0, with hands-on experience designing and implementing secure, scalable access control solutions for distributed applications.
· A self-starter and team player who can independently manage multiple responsibilities in a dynamic environment
· Strong hands-on experience and ability to automate with various scripting languages such as Python, Shell Scripting, etc
· Solid understanding of Cloud Computing and DevOps concepts including CI/CD Pipelines
· 2 – 4 years of Hands-On Kubernetes skills and knowledge including support and app deployment experience
· Expert and hands on experience with one or more Observability tools (OpenSearch, Open Telemetry, Datadog, Splunk)
· Experienced in Instrumentation with systems skills on building and operating, monitoring, logging, alerting services of distributed systems at scale
· Proven experience in maintaining scalability and resiliency in complex environments Proven experience in implementing advanced observability practices and techniques at scale
· Ability to triage, perform root cause analysis, and be decisive under pressure
· Experience managing and interpreting large datasets using query languages and visualization tools
· Excellent verbal, written communication skills and ability to tailor them to various audiences
· Ability and high-level curiosity enabling the desire to learn new technologies, tools and bring them to our developers
· Ability to work with a variety of individuals and groups, both in person and virtually, in a constructive and collaborative manner to build and maintain effective relationships
· Familiarity with Agile Software Development Methodologies
· Highly effective business communication and influencing skills
Nice to have
· AWS and AWS / EKS certifications are a plus
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.