Levon Sargsyan, Developer in Yerevan, Armenia
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Levon Sargsyan

Verified Expert  in Engineering

Full-stack Developer

Location
Yerevan, Armenia
Toptal Member Since
June 4, 2022

Levon is a tech manager and experienced developer with around 10 years of professional experience working in companies across a wide range of industries. He managed several remote teams of talented engineers and developed products used by companies like PayPal, American Airlines, and Bank of America, creating success stories for rapidly growing startups. Levon has a solutions-oriented mindset and a proven track record of leading teams in fast-paced, deadline-driven environments.

Portfolio

Amplifidor
Agile, Scrum, Amazon RDS, Amazon EKS, Express.js, React, React Native...
Alienlab LLC
Technical Hiring, Training, Technical Project Management, MacOS, APIs, Atlas...
HGAT
Agile, Agile Software Development, AWS Fargate...

Experience

Availability

Part-time

Preferred Environment

Slack, Meteor, Node.js, React, Express.js, MongoDB

The most amazing...

...thing I've developed is a microservices system that digitized all Abu Dhabi governmental entities, making them just one click away.

Work Experience

Chief Technology Officer

2023 - PRESENT
Amplifidor
  • Charged with orchestrating the company's technology strategy and managing the IT infrastructure to align with business goals.
  • Engaged with stakeholders, managed IT budget, and fostered a culture of continuous improvement and agile response to evolving tech trends.
  • Created and managed cross-functional teams to deliver scalable IT solutions and drive the adoption of innovative technologies to optimize processes and enhance productivity.
  • Managed the transition from a fully outsourced team to a newly created in-house team, as well as a change in work style (from Kanban to full Scrum).
  • Established processes for maintaining best practices in planning, executing, and testing the solutions, bringing a high level of automation to teamwork.
  • Created architecture for highly scalable cloud-native system architecture with a strong accent on modularity, performance, and cost efficiency.
Technologies: Agile, Scrum, Amazon RDS, Amazon EKS, Express.js, React, React Native, Amazon Simple Queue Service (SQS), Forums & Social Networking Portals, AWS Lambda, Jira, Amazon S3 (AWS S3), Leadership, Software Architecture, Requirements Analysis, Architecture, Software Design, Technical Leadership, Mobile App Development, CTO, Social Media Apps, PostgreSQL, Architectural Patterns, SaaS, Cloud Patterns, EventBus, Microservices, Software as a Service (SaaS), Cloud Architecture, API Architecture, Separation of Concerns (SoC), SaaS Design, Databases

Chief Technology Officer

2018 - 2023
Alienlab LLC
  • Hired, trained, and managed technical staff. Created individual learning programs, conducted performance reviews, and built an efficient tech team ready to face significant tech challenges.
  • Planned the development of the clients' projects by defining timelines, selecting the tech stack, maximizing the architecture's performance, and cost-optimizing solutions, which resulted in many success stories.
  • Created and managed infrastructure tools used in the company that led to an automated, efficient, and reliable day-to-day workflow.
Technologies: Technical Hiring, Training, Technical Project Management, MacOS, APIs, Atlas, Heroku, CircleCI, Less, Sass, Semantic UI, Front-end Development, React Native, Amazon Web Services (AWS), Full-stack, Serverless Framework, Serverless, Serverless Architecture, Full-stack Development, Agile, Leadership, Software Architecture, Requirements Analysis, Architecture, Software Design, Technical Leadership, CTO, Strapi, Architectural Patterns, Cloud Patterns, Microservices, Cloud Architecture, Separation of Concerns (SoC), Databases

Tech Lead

2022 - 2022
HGAT
  • Volunteered at HGAT as part of Toptal's TopVolunteer program. I served as the tech lead, leading many Toptal talents.
  • Created and managed functional teams and set up the guidelines and tech stack based on unique and restricted requirements of the project.
  • Created the scalable architecture of the system and adopted strict limitations of requirements.
Technologies: Agile, Agile Software Development, AWS Fargate, Amazon Elastic Container Service (Amazon ECS), Amazon Elastic Container Registry (ECR), AWS Lambda, MongoDB, Architecture, Software Design, Technical Leadership, Architectural Patterns, Cloud Patterns, API Architecture, Separation of Concerns (SoC), Databases

Lead Software Developer

2020 - 2022
HealthStaffEd
  • Led development team working on the core platform.
  • Managed the architectural decisions and shifted to a more scalable infrastructure.
  • Adapted the application for new clients adopting it accordingly.
Technologies: Meteor, React, Amazon EC2, CircleCI, MongoDB, Microservices Architecture, Socket.IO, Docker, HTML, JavaScript, CSS, Bootstrap, xAPI, Galaxy, Front-end, Atlas, Front-end Development, Full-stack, TypeScript, API Integration, Full-stack Development, Agile, Leadership, Healthcare, Medical Software, Health, JSON, Architectural Patterns, SaaS, Cloud Patterns, EventBus, Software as a Service (SaaS), SaaS Design, Databases

Lead Software Developer

2019 - 2020
Mindful
  • Built a messaging app that allowed call center employees to communicate with customers via SMS.
  • Restructured a monolithic application into a distributed system, able to extreme loads by complex scaling methods.
  • Developed a pipeline that captures customer interaction and automates communication by recognizing customer intents and scheduling callbacks accordingly.
Technologies: Meteor, Node.js, GraphQL, Express.js, React, MongoDB, AWS Fargate, Redis, Rancher, Amazon Lex, Amazon S3 (AWS S3), Sass, APIs, Front-end, Atlas, Front-end Development, Amazon Web Services (AWS), Full-stack, API Integration, Lambda Functions, Serverless Framework, Serverless, Serverless Architecture, Full-stack Development, Agile, Leadership, Software Architecture, Chrome Extensions, JSON, SaaS, Cloud Patterns, Software as a Service (SaaS), API Architecture, Separation of Concerns (SoC), SaaS Design, Databases

Senior Software Developer

2018 - 2018
DarkMatter LLC
  • Created specifications for microservices that connected government entities and process data used by 150+ web applications.
  • Participated in developing a distributed system architecture intended to digitize every governmental entity interaction in Abu Dhabi.
  • Crafted templates to automate the creation of new and secure microservices.
Technologies: Node.js, ELK (Elastic Stack), Docker, Microservices Architecture, APIs, Full-stack Development, Agile, JSON, API Architecture, Separation of Concerns (SoC), Databases

Senior Software Developer

2016 - 2018
Snappr
  • Built an application to analyze users' professional profile photos that specifies the good and bad sides and suggests tips and a proper professional photoshoot.
  • Developed an application that also analyzes users' photos but from a dating application perspective.
  • Created a photographer booking procedure, which suggests the best fit for each customer depending on their location, needs, and other criteria.
  • Implemented a user interaction collection system to generate stats that help Snappr continuously improve the platform.
Technologies: Express.js, React, HTML, CSS, MongoDB, Front-end, Heroku, Socket.IO, Front-end Development, Full-stack, Full-stack Development, JSON, SaaS, Software as a Service (SaaS), SaaS Design, Databases

Mindful Messaging

https://getmindful.com/
Get Mindful is a platform for enterprise businesses to handle extreme loads on their call centers by enabling interaction via SMS by a machine learning (ML) powered solution to request callbacks. Mindful helps hundreds of millions of calls to be addressed annually. It is a distributed system with a very complex architecture that allows it to be highly scalable and performant.

Snappr

https://www.snappr.com/
The largest on-demand photographer network in the world. I worked with Snappr at the startup and Y combinator stages. Snappr also provides professional and dating app photo analyzer tools for which I was responsible.

HealthStaffEd LMS

https://www.healthstaffed.com.au/
A Meteor-based interactive learning and certification platform built for the healthcare environment. HealthStaffEd LMS is the leading learning solution in Australian healthcare. The platform provides the ability to manage employees' learning curve on several layers using online learning modules and schedule F2F meetings scheduling rich insights for admins via many reports and statistics.

LongTailPro

https://longtailpro.com/
A Meteor-based application providing relevant keywords for SEO optimization. The application uses multiple data sources and a complex architecture for collecting and analyzing the data using serverless solutions and an MQ system.

Currencii

A fintech platform providing an automated large-scale currency exchange service for enterprises. A meteor-based application providing KYC functionality and the ability to easily execute large transactions, follow transaction lifecycle, and generate advanced and custom reports.

Data Migration and Warehouse System for Healthtech Product

A complex system for continuous data gathering and transformation of data from several tenants into a data warehouse with data visualization and analytical tools. I worked on designing and implementing infrastructure with complex networking and security aspects.

Languages

JavaScript, CSS, HTML, Less, TypeScript, GraphQL, Sass

Frameworks

Express.js, Serverless Framework, Bootstrap, React Native, Ant Design

Libraries/APIs

React, Handlebars, Node.js, jQuery, Stripe API, Stripe, Redis Queue, Socket.IO

Tools

CircleCI, Slack, Amazon Elastic Container Service (Amazon ECS), AWS Fargate, Amazon Simple Notification Service (Amazon SNS), Amazon Lex, ELK (Elastic Stack), Codeship, Google Kubernetes Engine (GKE), Travis CI, Amazon EKS, Amazon Simple Queue Service (SQS), Jira, Amazon Elastic Container Registry (ECR)

Paradigms

Microservices Architecture, Agile, API Architecture, Serverless Architecture, Requirements Analysis, Microservices, Agile Software Development, Scrum

Platforms

Meteor, Amazon EC2, Docker, AWS Lambda, Galaxy, Heroku, Amazon Web Services (AWS), MacOS, AWS Elastic Beanstalk, Kubernetes, Rancher, Apache Kafka

Storage

Amazon S3 (AWS S3), MongoDB, JSON, Databases, Amazon DynamoDB, Redis, MySQL, Google Cloud, Redshift, PostgreSQL

Other

Semantic UI, Atlas, APIs, Front-end, Front-end Development, Full-stack, API Integration, Full-stack Development, Leadership, Architecture, User Interface (UI), Architectural Patterns, SaaS, Software as a Service (SaaS), Separation of Concerns (SoC), Technical Hiring, Training, Technical Project Management, Web Scraping, Lambda Functions, Serverless, Software Architecture, Software Design, Technical Leadership, Chrome Extensions, CTO, Social Media Apps, Cloud Patterns, EventBus, Cloud Architecture, SaaS Design, AWS Cloud Architecture, Medicine, Medtech, Amazon RDS, xAPI, Stripe Payments, TypeORM, IT Project Management, Forums & Social Networking Portals, Medical Software, Health, Streaming, Mobile App Development, Strapi

Industry Expertise

Healthcare

2012 - 2014

Master's Degree in General Medicine

Yerevan State Medical University - Yerevan, Armenia

2007 - 2012

Bachelor's Degree in General Medicine

Yerevan State Medical University - Yerevan, Armenia

AUGUST 2022 - AUGUST 2025

Certified Associate in Project Management (CAPM)

Project Management Institute (PMI)

MAY 2022 - MAY 2025

AWS Certified Cloud Practitioner

Amazon Web Services

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