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Karlis Elerts

@karliselerts

Senior Full Stack Engineer specializing in Next.js, TypeScript, and scalable web platforms.

Latvia
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What I'm looking for

I seek senior-level roles building scalable, user-focused web platforms with modern JS stacks, strong engineering culture, mentorship opportunities, and emphasis on performance, security, and cross-functional collaboration.

I am a Senior Full Stack JavaScript Engineer with 5+ years building scalable, high-performance web applications using modern frameworks and clean architecture. I focus on delivering reliable, secure, and user-focused solutions across frontend and backend stacks.

At Digis I led development of a complex SaaS platform using Next.js (App Router), TypeScript, Node.js, and PostgreSQL, scaling to thousands of users and improving server-side performance and load times by 40%.

I have built enterprise-grade web apps with Vue.js, Node.js, and PostgreSQL, introduced Storybook for reusable UI components, and supported CI/CD with GitHub Actions. I mentor engineers, conduct code reviews, and enforce consistent coding standards.

I am passionate about performance optimization, authentication and security best practices (JWT, OAuth2), integrating third-party services (Stripe, SendGrid), and collaborating with cross-functional teams to create meaningful digital experiences.

Experience

Work history, roles, and key accomplishments

DI

Senior Software Engineer

Digis

Jan 2024 - Jun 2025 (1 year 5 months)

Led development of a complex SaaS platform using Next.js, TypeScript, Node.js and PostgreSQL, scaling to thousands of users and improving performance and load times by 40%. Implemented secure JWT/OAuth2 authentication and integrated Stripe and SendGrid for payments and notifications.

Helmes logoHE

Software Engineer

Helmes

Jul 2021 - Dec 2023 (2 years 5 months)

Built enterprise-grade web applications using Vue.js, Node.js and PostgreSQL, introduced Storybook for reusable components and supported CI/CD with GitHub Actions to streamline deployments. Delivered data-heavy dashboards and real-time analytics features.

DR

Software Developer

Dreamix

Jun 2020 - Jun 2021 (1 year)

Delivered full-stack applications with React, Node.js and MongoDB, implemented RESTful APIs and test suites (Jest, Cypress), and built responsive UIs with Tailwind CSS. Collaborated in Agile teams using pair programming and sprint ceremonies.

Education

Degrees, certifications, and relevant coursework

Florida International University logoFU

Florida International University

Bachelor of Science, Computer Science

2016 - 2020

Bachelor's Degree in Computer Science completed between August 2016 and May 2020, covering core topics in software development and computer systems.

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Karlis Elerts - Senior Software Engineer - Digis | Himalayas