Eric Tallman

Systems Architect

Northeast Pennsylvania

Career Objective

Get it done fast, but get it done right.

Results-oriented full-stack developer with 15 years of experience in developing internal & customer-facing applications across diverse industries. Skilled in e-commerce, career development e-learning, personal safety devices, personal benefits management, energy procurement, warranty/contract services, time management, document management, & mobile app development. Seeking a challenging role as a lead developer or architect to leverage my expertise in building efficient, database-driven business applications. Committed to streamlining systems, enhancing developer productivity, & continuously improving overall system performance. Experienced in system administration, I thrive on the balance between coding & server configuration to drive optimal outcomes.

Skills & Technologies

  • Amazon Web Services (AWS) setup, architecture, & management
  • Databases: Relational, NoSQL
  • SQL, PL/pgSQL, GraphQL
  • HTML, CSS, Preprocessors
  • React Native
  • Cloud setup & management
  • Configuration Management
  • System Administration: FreeBSD, *nix, & PostgreSQL
  • Agile & waterfall methodologies
  • Terraform
  • Xamarin
  • Jenkins & TeamCity CI/CD
  • PDF Generation: Apache FOP, iText, XSLT, XSL-FO
  • AsciiDoc, PlantUML
  • Google Web Toolkit (GWT)
  • Load Balancing
  • Mandrill


  • TypeScript
  • JavaScript
  • Shell, Bash
  • C#
  • Go
  • PHP
  • Java

Version Control Systems

  • Subversion
  • Git, Github, Bitbucket
  • CVS


  • PostgreSQL
  • AWS Aurora, Aurora Serverless
  • AWS DynamoDB
  • Microsoft SQL Server
  • AWS Neptune
  • AWS Redshift
  • MySQL, MariaDB

Work Experience

Cloudshadow LLC (Remote/Moosic, PA)

Systems Architect
Jan 2017 – May 2023

Experienced senior-level architect & developer specializing in customer-facing systems & cloud infrastructure. Successfully supported & enhanced energy procurement systems at Cloudshadow, leading to a successful exit to a private equity firm. Managed system administration of on-site & colocated bare metal servers, transitioning to cloud-based architectures, primarily in AWS. Led a team in developing a unified cross-platform mobile application for a global safety product manufacturer, integrating Bluetooth LE technology. Collaborated with the Chief Architect to design & launch an AWS-hosted environment for a venture-funded mobile application, securing $1.8M in funding & receiving recognition from Apple. Also involved in designing & provisioning a venture-funded mobile application social community, Artmatcher, providing an engaging art experience.

  • Backend: C#/.NET, JavaScript/TypeScript, Go, PHP, PostgreSQL, Microsoft SQL Server, AWS S3, AWS EC2, AWS RDS, AWS Lambda, AWS CloudFront, AWS Fargate
  • Frontend/App: JavaScript/TypeScript (React Native, Angular, AngularJS, Bootstrap, jQuery, GWT), HTML, CSS (and preprocessors), Xamarin, XAML, Ionic

Software Engineering Associates, Inc. (Archbald, PA)

Senior Software Developer; Software Engineer
Sept 2017 – Jan 2017

Experienced software developer with a track record of successfully managing & delivering web-based solutions. Skilled in translating business requirements into efficient portal configurations. Demonstrated expertise in developing online application environments that empower non-technical users to create customized business applications. Led a team in creating a customer order portal for a sports equipment provider, enabling seamless ordering for team managers, players, & parents. Contributed to the design & implementation of a web platform for a reverse auction experience in the energy procurement sector. Proven ability to onboard new hires & foster a culture of cooperation.

  • Backend: Go, PHP, PostgreSQL, FreeBSD, Terraform, AWS CloudFormation, AWS S3, AWS EC2, AWS RDS, .NET
  • Frontend/App: JavaScript (Angular, AngularJS, Bootstrap, jQuery, GWT), HTML, CSS (and preprocessors), Xamarin, XAML, Ionic

Select Projects


  • Senior developer, systems architect & system administrator for the mobile-first multi-sided social & education application boasting partnerships with 25 museums, eight air fairs, and tens of thousands of artists and galleries worldwide
  • Architected & implemented from the ground up using dozens of AWS Cloud services & technologies
  • Lead Android developer & release manager for the React Native based application
  • The Artmatcher team was selected in 2022 as an alternate in the Social and Culture category for the 14th annual SXSW Pitch

Energy Procurement Management Suite

  • Lead developer for themeable multi-tenant reverse auction software used by companies fulfilling their energy procurement needs with aggregation pools providing up to 30% savings on energy spend
  • Lead developer of encryption & hashing microservice to secure sensitive data in transit & at rest
  • Senior developer leading team decisions for reusable, themeable components in the suite of 5+ multi-tenant solutions
  • Contributor to all themable multi-tenant solutions providing advanced management tools for companies to utilize advanced energy analysis, data insights, & easy reporting
  • Reimagined system architecture as an AWS Cloud hosted solution; planned & performed the migration of all on-premises hosted systems to their new cloud destination
  • Provided on-premises connectivity to AWS Cloud hosted solution through network reconfiguration & utilization of tunnel-capable network routing equipment allowing on-premises data entry personnel to access documents, invoices, & other data records stored in AWS

Entertainment Booking Platform

  • Senior developer, systems architect & system administrator of mobile application & AWS Cloud backed solution providing booking & communication services to entertainers & establishments looking to fill gigs
  • The mobile app raised $1.8M in venture funding & was featured on Apple's Planet of the Apps

Personal Safety Device Monitoring

  • Senior developer that worked closely with customer project managers for a global safety product manufacturer
  • Led creation & implementation of a new mobile application utilizing a unified cross-platform codebase based in Xamarin
  • Leveraged Bluetooth LE technology in application communications with the personal safety devices used in detecting dangerous gas levels

Sporting Goods E-Commerce Stores & Warehouse Fulfillment

  • Lead developer, systems architect & system administrator for a complete front-to-back e-commerce & fulfillment solution
  • Created frontend e-commerce systems for club managers, team managers, players & their parents, providing services to over 300 organizations & for their over 55,000 players & families
  • Created backend fulfillment systems to assist equipment & apparel firm
  • Utilized open source libraries to transform purchase orders & fulfillment data into custom designed PDF documents

Online Benefit Centers

  • Senior developer, systems architect, & system administrator of a multi-tenant online benefits management system for a benefits administration firm providing online benefits enrollment for many tens of thousands of employees
  • Enhanced system functionality to meet new client needs while prioritizing maintaining existing functionality for all clients
  • Provided system monitoring & administration leading to uptime availabilities well above 99%
  • Reimagined system architecture as an AWS Cloud hosted solution; planned & managed migration of all client sites & configurations away from the bare metal colocated hosting facility
  • Created developer onboarding documentation to assist junior developers in becoming familiar with the software & server suites
  • Mentored & provided ongoing guidance while transitioning daily administration & programming tasks to a rising junior developer


  • Senior developer for the Online Development Environment (ODE) produced by Hydro4GE
  • Participated in the definition & creation of Pario's SQL-like language: Schema Evolution Language
  • Mentored junior developers utilizing the project's chosen technologies (GWT, PHP, PostgreSQL)
  • The project received a Ben Franklin investment to develop a sales & marketing strategy


  • Collaborated with the Chief System Architect to form requirements & perform exploratory work on feasibility of implementation
  • Formerly a maintainer of the open sourced library
  • Mentored junior developers utilizing the library to create Hydro4GE's database schema visualization

Assistive Technology Functional Independence Efficacy Tool

  • Collaborated with the director of research at a local university's research institute to establish & refine project requirements
  • Led the development process, successfully implementing the identified requirements
  • Created a functional independence measurement tool to assess consumers' pre- & post-assistive technology device usage

Education, Honors, & Certifications

  • Computer Science - Bachelor of Science
    • University of Scranton
    • 2002 – 2006
  • Upsilon Pi Epsilon - CS Honor Society
    • University of Scranton
    • 2005
  • Lean Six Sigma White Belt Certification
    • The Council for Six Sigma Certification (CSSC)
    • May 2023
    • Certification Number: X9WVMEY1e0