Diego Sarmiento
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Diego Sarmiento Email & Phone Number

Senior Frontend Software Engineer at Optum
Location: St Augustine, Florida, United States 17 work roles 8 schools
1 work email found @vizalizer.com 2 phones found area 407 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email d****@vizalizer.com
Direct phone (407) ***-****
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Current company
Role
Senior Frontend Software Engineer
Location
St Augustine, Florida, United States

Who is Diego Sarmiento? Overview

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Quick answer

Diego Sarmiento is listed as Senior Frontend Software Engineer at Optum, based in St Augustine, Florida, United States. AeroLeads shows a work email signal at vizalizer.com, phone signal with area code 407, and a matched LinkedIn profile for Diego Sarmiento.

Diego Sarmiento previously worked as Owner at Rocketch and Senior Front-End Software Engineer at Ciber Global. Diego Sarmiento holds Msc Engineering, Information Technology Project Management from Pontificia Universidad Católica De Chile.

Company email context

Email format at Optum

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*@vizalizer.com
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Profile bio

About Diego Sarmiento

SUMMARYSeasoned product developer skilled in bridging cultural gaps, drawing from diverse experiences in 5 countries.Have successfully built revenue-generating applications for top-tier companies like Disney, United Healthcare, and Silicon Valley startups.SPECIALTIESAngular, NextJS/TypeScript, Tailwindcss, Prisma, SCSS, Custom UI Libraries, rapid prototype, Illustrator/Photoshop and InVision

Listed skills include User Experience, User Interface Design, Information Architecture, Management, and 13 others.

Current workplace

Diego Sarmiento's current company

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Optum
Optum
Senior Frontend Software Engineer
St. Augustine, FL, US
AeroLeads page
17 roles

Diego Sarmiento work experience

A career timeline built from the work history available for this profile.

Senior Frontend Software Engineer

St. Augustine, FL, US

Owner

Current

Ponte Vedra Beach, Florida, US

May 2024 - Present

Senior Frontend Software Engineer

Current

Eden Prairie, MN, US

  • Develop innovative customer features and front-end solutions in challenging problem areas, working on multiple projects and APIs, spanning both monolithic and microservices architectures.
  • Demonstrate a strong understanding of software architecture principles and apply them to design scalable and maintainable code.
  • Collaborate with cross-functional teams to gather requirements, create technical specifications, and ensure effective documentation of user documentation, presentations, and progress tracking.
  • Utilize your expertise in software programming to write clean, efficient, and well-tested code.
  • Stay up-to-date with emerging technologies and industry best practices to continuously improve development processes and deliver high-quality solutions.
  • Contribute to code reviews, provide constructive feedback, and actively participate in team discussions to drive continuous improvement and knowledge sharing.
Jun 2020 - Present

Senior Front-End Software Engineer

Ciber Global
  • Worked as a contractor for Disney (Resort and Technology) until COVID 19 furlough in May 2020.
  • Designed and Developed Front-End (Angular) Architecture, with focus on Modularity and lazy-loading, libraries of reusable components, SaSS architecture (variables, maps, functions) and other Project Standards (Unit.
  • Used Ngrx Data to handle State Management in Applications, reducing loading time through the different steps of the process, making debugging easier and improving significantly the user experience.
  • Leaded UI Development to deliver measurable results on every Sprint.
  • Managed execution and timely completion of software engineering projects for the hospitality industry by analyzing scope and determining project specifications.
  • Worked closely with UX Team to analyze, develop and implement new features and functionalities.
Jul 2019 - May 2020

Senior Software Engineer

Tampa, Florida, US

  • Provided technical guidance and support to Managers and Directors.
  • Checked-in in the form of daily stand-ups and completed code reviews with the Engineering Team.
  • Negotiated with Project Manager to ensure what priorities and changes should be made during the Sprint.
  • Negotiated code architecture decisions to support a high-performance and scalable product with a minimal footprint.
  • Developed advanced features combining Angular 7+ and NodeJS/TypeScript/NestJS, including a library of reusable Components available for multiple Projects.
  • Managed & improved Workflow Automation process, including CI and Unit Tests.
Oct 2018 - Jun 2019

Front End Developer, Cidt

Tampa, FL, US

  • Worked with product managers, on-site and offshore development teams to design, develop, test and implement Inspirata's applications using JIRA as an agile development methodology.
  • Worked closely with the design team to build a component library and a templating framework (Angular 6) to make it easier for engineers to build consistent, beautiful, and performant products.
  • Builded the features that our users see and interact with on a daily basis.
  • Supported other developers, provided feedback and collaborated with team members in order to increase coding standards.
  • Participated in engineering meetings to support general problem solving.
  • Designed and performed Unit Tests.
Jun 2018 - Oct 2018

Front End Ui Developer

Addlestone, Surrey, GB

  • Led the UX/UI Design process from scratch, building prototypes, negotiating with team members globally to prioritize features and functionalities.
  • Used Angular +5.0 and Angular Material to build prototypes.
  • Collaborated with developers in an agile environment.
May 2018 - Jun 2018

Front End Ui, Technical Lead

Din

Santa Ana, San José, CR

  • Worked as contractor for global clients (Founders Ventures).
  • Worked closely with engineers supporting all tiers of the applications (JAVA, Database and other Front-End Developers).
  • Assisted with the Front-End development of JAVA-based web applications.
  • In specific projects, develop APIs for Web Applications using Python/Django (Rest Framework).
  • Involved in UX/UI Design, Product Prototype and User Tests.
  • Managed a small team using an agile methodology.
Sep 2016 - Apr 2018

Front End Developer

Nairobi, Nairobi, KE

  • Designed and developed the Front-End of a customized software for the Lending Team (Tanzania) and the Fundraising Team (San Francisco, CA).
  • Supported actively remote team members in Amsterdam, Tanzania, Hawaii and San Francisco using Agile Methodologies and best practices (including Heroku Deployment, CircleCi Tests and version control using Git).
  • Ensured the release of a World Class application (HTML5/AngularJS,ES6/SaSS/Karma/Protractor) that provided intuitive and secure experiences for all its users.
  • Performed analyses and implemented improvements to reduce download time by up 25%.
  • Focused on the user experience, gave attention to details (UI) and dealt with the challenges of remote working (time management and effective communication).
Aug 2015 - Aug 2016

Full Stack Developer, Co-Founder

Orlando, FL, US

  • WebProAdmin was a Billing and Invoicing Software for Small Businesses in Spain. The startup had the approval of local institutions such as Barcelona Activa (Barcelona City Council, Spain).
  • Responsibilities included Newsletter Automatization, Marketing (A/B Tests), User Tests, Full Stack Development and the Management of a Global Team.
  • Product was designed using The Lean Startup Methodology. The technology used was PHP Zend Framework & MySQL (Back-End), Amazon Web Services, JavaScript, ChartJS & Smarty (Front-End).
Nov 2014 - Aug 2015

Full Stack Developer, Co-Founder

Vizalizer
  • Vizalizer was a Data Visualization tool for Data Journalists. The startup had important recognitions from blogs such as Eureka Startups (Spain), VentureBreak and StartupTunes.
  • Responsibilities included Marketing (A/B Tests), User Tests, Full Stack Development and the Management of a Global Team.
  • Product was designed using The Lean Startup Methodology. The technology used was PHP Zend Framework & MySQL (Back-End), JavaScript, D3, Google Maps & Smarty (Front-End).
Jan 2012 - Oct 2014

Independent Consultant

Diego Sarmiento
  • Evaluated investment opportunities in Technology.
  • Analyzed new markets using Business Intelligence.
  • Developed a methodology combining Business Processes and Unitary Process.
  • Developed software architecture for enterprise applications.
Sep 2009 - Jan 2012

Project Lead

Las Condes, Santiago Metropolitan, CL

  • Executed 100% project work plans with corporate clients such as Enap, Corpvida and Autopista Central.
  • Managed successful day-to-day operational aspects of a project.
  • Effectively applied methodology and enforced project standards.
  • Prepared for quality assurance procedures.
  • Minimized risk on project with proactive solutions.
Aug 2008 - Sep 2009

Project Manager

Innercia
  • Worked closely with Design in the development of new products.​
  • Developed strategic alliances with hosting providers (such as Crystal Tech).
  • Maximized sales and profits by creating customized services for public and private institutions.
  • Recruited & trained supporting levels to ensure an efficient & profitable operation.
Mar 2003 - Dec 2007

Software Instructor

Centro De Diseño Digital
  • Taught material from Adobe Certification Program.
  • Motivated students to actively participate in all aspects of the Certification Program.
  • Recommended improvements in curriculum design.
  • Participated in support programs and student professional associations.
Feb 2002 - Dec 2006

Project Administrator

VE

  • Developed successful business proposals for the Oil Industry.
  • Managed until US$ 150.000 in resources in engineering projects.
  • Developed sales presentations for new prospects.
  • Selected and managed contractors in engineering projects.
Jun 1998 - Jun 2000

Junior Engineer

Pdvsa Petroleos De Venezuela S.A.
  • Developed an methodology for the efficiency analysis of Heating Equipments in PIGAP & MUSCAR Plants.
  • Identified operational problems based on different data sources.
  • Made specific recommendations for the maintenance of equipments in each Plant.
Jul 1997 - Jan 1998
8 education records

Diego Sarmiento education

Msc Engineering, Information Technology Project Management

Pontificia Universidad Católica De Chile

Accelerated Es6 Javascript Training, Computer Science

Udemy Alumni

3D Programming With Webgl And Babylonjs, Computer Software Engineering

Udemy Alumni

Javascript: Understanding The Weird Parts, Computer Software Engineering

Udemy Alumni

Advanced Javascript, Computer Software Engineering

Udemy Alumni

The Complete Javascript Course, Computer Software Engineering

Udemy Alumni

Diploma, Advanced Internet Development

Bodwell Internet School

Bs, Mechanical Engineering

Universidad Metropolitana (Ve)
FAQ

Frequently asked questions about Diego Sarmiento

Quick answers generated from the profile data available on this page.

What company does Diego Sarmiento work for?

Diego Sarmiento works for Optum.

What is Diego Sarmiento's role at Optum?

Diego Sarmiento is listed as Senior Frontend Software Engineer at Optum.

What is Diego Sarmiento's email address?

AeroLeads has found 1 work email signal at @vizalizer.com for Diego Sarmiento at Optum.

What is Diego Sarmiento's phone number?

AeroLeads has found 2 phone signal(s) with area code 407 for Diego Sarmiento at Optum.

Where is Diego Sarmiento based?

Diego Sarmiento is based in St Augustine, Florida, United States while working with Optum.

What companies has Diego Sarmiento worked for?

Diego Sarmiento has worked for Optum, Rocketch, Ciber Global, Carnahan Group, and Inspirata, Inc..

How can I contact Diego Sarmiento?

You can use AeroLeads to view verified contact signals for Diego Sarmiento at Optum, including work email, phone, and LinkedIn data when available.

What schools did Diego Sarmiento attend?

Diego Sarmiento holds Msc Engineering, Information Technology Project Management from Pontificia Universidad Católica De Chile.

What skills is Diego Sarmiento known for?

Diego Sarmiento is listed with skills including User Experience, User Interface Design, Information Architecture, Management, Software Engineering, Project Management, Data Visualization, and Product Development.

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