Francis Lewis

Francis Lewis — Engineering Manager

Expertise in Back-End Web (15.5 yr.), Full Stack Web (15.5 yr.), Data Extraction and ETL (5.0 yr.), Solutions Architect (6.0 yr.), AI and Machine Learning (2.0 yr.).

Last verified on July 25, 2025

Core Skills

Go

Node.js

PHP

AI Tools & Assistants

AI

Bio Summary

Accomplished Software Architect and Hands-on Engineering Manager with a strong history of building, leading, and mentoring cross-functional teams in designing, developing, and deploying high-scalability, secure software solutions leveraging cloud platforms, microservices architectures, CI/CD pipelines, and performance optimization strategies. Experienced in both startup environments and well-established organizations, with expertise in architecting reliable distributed systems, implementing best practices, and driving innovation while delivering quality software.

Technical Skills

AI & Machine Learning	AI
Programming Languages	C, Go, Java, JavaScript, PHP, Python
.NET Platform	.NET
JavaScript Frameworks	Node.js, React
Databases & Management Systems / ORM	AWS DynamoDB, MySQL, Redis, SqlServer
Amazon Web Services	AWS Cloudformation, AWS DynamoDB, AWS Kinesis, AWS Lambda, AWS S3, AWS SQS
Other Technical Skills	Firehose Kinesis, GitHub Copilot

Engineering Manager - Swipeclock | April 2020 - Present

• Integrated AI into aspects of the job board and applicant tracking process.

• Led a major modernization initiative, migrating two monolithic PHP applications to

a cloud-native, scalable microservices architecture on AWS using Go, Docker,

ECS, Lambda, and other AWS services. Upgraded PHP and addressed

significant security vulnerabilities.

• Developed an API for 3rd party integrations, enabling faster development cycles

and achieving 99.99% uptime. Resulted in approximately $80K in annual server

cost reductions.

• Implemented secure APIs with OAuth and rate-limiting and built high-

performance ETL pipelines using Go and Python.• Established DevOps best practices, including automated testing, code reviews,

and CI/CD pipelines. Mentored engineers in Go and .NET development.

• Managed partner integrations with Indeed and Twilio.

Software Architect / Engineering Manager - DSCO | Feb 2018 – April 2020

• Served as a key architect for DSCO's ETL framework, building automated tools,

examples, and documentation in Node.js, Go, PHP, Python, Java, and Rust.

• Optimized streaming capabilities from 300K to millions of records/minute for near

real-time reporting.

• Prototyped new product features based on customer feedback and developed

high-performance change data capture (CDC) pipelines.

• Streamlined AWS deployment using CloudFormation, reducing provisioning time

by 80%. Provided technical guidance on AWS architecture and DevOps.

Senior Software Engineer - Indigo Slate | Nov 2016 – Feb 2018

• Architected and deployed enterprise applications on Azure, AWS and VMware

cloud platforms, focusing on high availability, reliability, and performance.

• Optimized CI/CD pipelines for rapid, zero-downtime deployments.

• Automated provisioning of consistent developer environments using virtual

machines and containers.

• Created voice interface applications integrated with Amazon Alexa and IBM

Watson services.

• Leveraged technologies including Node.js, PHP, Java, .NET, and Docker.

Additional Experience

• Prior experience (2006 - 2016) includes roles at Getty Images, Sterling

Backcheck, Stella & Dot, Synacor, Stratus Technologies, and HR Enhancement,

with achievements in automation, security audits, application migration, and

delivering revenue-generating features.

• Extensive contributions to the open-source community and conference speaker in the UK.

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

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