Timothy Rafferty

Timothy Rafferty

United States
Feature Development
Observability
Solution Delivery
Certificate Management
Technical Leadership
API Integrations
Code Defect Remediation

About Me

Technical lead with over 15 years of experience driving complex software integrations, implementing real-time observability solutions, and launching scalable, API-driven systems across fintech and SaaS environments. Proven expertise in delivering solutions, feature development, and technical product leadership.

Professional Focus

Leading complex software integrations and API-driven systems

Building real-time observability and monitoring solutions

Product and workflow design for enterprise banking clients

Mentoring teams on advanced issue resolution and analysis techniques

Experience

Strategic Deployment Lead

Blend

01/2021 – Present

Technical lead for the Wells Fargo account, overseeing multiple lines of business including personal loans, credit cards, and home lending. Functioning as technical lead by designing, coding, and deploying solutions for mission-critical workflows. In parallel, I led full-cycle technical implementations and workflow design for clients such as apply.city.bank and apply.peoplefirst.com, including requirements gathering, solution architecture for deposit accounts and consumer lending, and integration of key services such as IDV, document delivery, application webhooks, OLB enrollment, and banker workspace tools.

Key Achievements

Led the migration, design, and launch of Wells Fargo's personal lending platform (personal-loan.wf.com), processing almost 1,000,000+ applications monthly since launch and contributing to 10% increase in overall loan volume.

Designed, implemented, and launched the end-to-end workflow for People First Credit Union's deposit account and consumer lending products (apply.peoplefirst.com), increasing application volume and reducing submission time.

Migrated, designed, and launched City Bank Texas's deposit account products (apply.city.bank), integrating document delivery, online banking (OLB) enrollment, and identity verification (IDV) services.

Authored dozens of technical articles and knowledge base entries on monitoring, log investigation, certificate management, and API tooling, boosting team onboarding efficiency and supporting long-term operational enablement.

Developed alerting and monitoring frameworks and constructed multiple dashboards (Splunk, Datadog, Observe), improving issue detection and time to resolution.

Created procedures for client certificates and managed the end-to-end certificate lifecycle for more than thirty assets (JWT, mTLS, SSL/TLS), eliminating certificate-related outages.

Developed tailored Postman API collections to support internal teams and ensure long-term data integrity during QA and future troubleshooting.

Technologies & Skills
Splunk
Github
Datadog
Observe
Postman
TypeScript
JavaScript
Velocity Script
REST APIs
CI/CD

System Operations Engineer

Wells Fargo

09/2015 – 07/2020

Duties included site reliability monitoring, systems engineering, fraud detection, and product delivery. Led the global launch of Wells Fargo's Online Mortgage Application and implemented strategies to ensure system integrity and uptime.

Key Achievements

Led the global pilot and launch of Wells Fargo's Online Mortgage Application (lending.wf.com) in 2018, driving key innovations that improved operational efficiency, elevated the customer experience, and set the foundation for future digital lending initiatives.

Designed and implemented real-time monitoring strategies using Splunk and AppDynamics, building 40+ custom alerts and 10+ dashboards to ensure visibility across mission-critical banking systems.

Directed fraud monitoring efforts during Wells Fargo's 2016 fake accounts scandal, this included daily Splunk-based reporting along with data warehouse audits. Delivered actionable insights by analyzing structured and unstructured datasets using SQL, Teradata, and regex-based log parsing.

Led incident response and root cause investigations by analyzing logs, XML, JSON, Oracle errors, and API payloads. Orchestrated cross-functional war rooms to rapidly triage and resolve production outages, minimizing system downtime and customer impact.

Authored comprehensive QA test scenarios and scripts, improving release quality and reducing post-production defects. Aligned testing efforts with business objectives by collaborating closely with engineering and product teams.

Technologies & Skills
Splunk
SQL
Teradata
Python
XML
JSON
API Integrations
CI/CD

System Administrator

Cognizant

2014 – 2015

Led configuration and deployment of infrastructure supporting 300+ person operational floor at Travelers Insurance, ensuring seamless system integration and optimal performance.

Key Achievements

Configured and deployed hardware/software infrastructure for 300+ person operational floor.

Implemented robust monitoring solutions improving application stability.

Automated routine tasks with custom PowerShell scripts driving operational efficiency.

Coordinated enterprise-wide software upgrades, patching, and regression testing.

Technologies & Skills
PowerShell
Windows Server
IIS
OpenSSH
Active Directory

Systems Engineer

Imagetek

2013 – 2014

Led end-to-end migrations of legacy databases to SQL Server for county government clients, including data transformation and digitization of county records.

Key Achievements

Led database migrations from legacy systems to SQL Server for county government clients.

Configured SQL Server environments with optimization and backup strategies.

Digitized and consolidated county records into centralized digital repositories.

Transformed structured data formats using regular expressions and scripting.

Technologies & Skills
SQL Server
XML
JSON
VMware
Regex
Apache

Business Systems Consultant

Principal

2012 – 2013

Delivered tier 3 application support and led RSA authentication setup and troubleshooting across cross-functional teams.

Key Achievements

Delivered tier 3 application support including imagining, backup, and hardware replacement.

Supported software configuration and resolved critical system bugs, improving application stability and efficiency.

Performed in-depth system analysis to identify root causes of recurring incidents, implementing solutions that reduced incident volume and strengthened overall business continuity.

Technologies & Skills
RSA Authentication
Active Directory
System Analysis
System Imaging
Troubleshooting

Technical Lead

DIT

2009 – 2012

Facilitated LAN setup and Windows Server configurations for small office environments, managing multiple concurrent tasks and delivering solutions across business in center Iowa

Key Achievements

Facilitated LAN setup and Windows Server configurations for small office environments supporting up to 50 users, ensuring stable and secure IT infrastructure deployment within 2-week project timelines.

Managed multiple concurrent tasks, consistently delivering solutions ahead of schedule and contributing to reductions in overall hardware and software issues.

Diagnosed and resolved over 1,500 software and hardware issues with a 98% first-contact resolution rate, significantly improving end-user satisfaction and help earn DIT the local award of Best IT Repair Service.

Technologies & Skills
Windows Server
LAN Configuration
Hardware Replacement
IT Support
Virus/Malware Removal

Credentials

Professional Certifications

CompTIA Security+ logo
CompTIA Security+

CompTIA

Education

DMACC Community College 2009-2010 logo
Community College Coursework

DMACC Community College 2009-2010

ADM High School 2007 logo
High School Diploma

ADM High School 2007

Technical Skills

Observability & Monitoring

Splunk
Datadog
AppDynamics
Kibana
Observe

Programming Languages

Python
TypeScript
JavaScript
Golang
SQL

Scripting & Markup

Velocity Script
Regex
HTML
JSON

DevOps & Infrastructure

Docker
Kubernetes
CI/CD
GitHub

API & Integration

Mulesoft
API Gateway
Webhooks
SFTP

Tools & Platforms

Postman
Retool
Zapier
VS Code
Cursor
Playwright
Jira
Confluence
Mode

Security & Identity

X.509 Certificates
SAML
SSO
OAuth
Certificate Lifecycle Management

Leadership & Soft Skills

Technical Leadership
High Accountability
Stakeholder Engagement
Cross-functional Collaboration
Technical Adaptability
Innovative Problem Solving

References

"I have worked with Tim for several years, and for the past two, we have collaborated closely on one of Blend's largest customer accounts. Based on my experience, I can give Tim my highest recommendation. He is an exceptional colleague, and I am confident he would be a significant asset to any team."
Mark Stafford
Consumer Lending Product Manager
Blend
"I've had the pleasure of working closely with Tim for the past 3.5 years at Blend, and I can say without hesitation that he is one of the most reliable, knowledgeable, and dependable colleagues I've encountered in my career. He is one of only two people for whom I would confidently vouch with both my personal and professional reputation."
Dante O'Donnell
Deployment Lead
Blend

© 2026 Timothy Rafferty

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