Open to opportunities

Peter OA

@peteroa

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Experienced Full Stack Engineer with expertise in scalable web applications.

Estonia

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What I'm looking for

I am looking for a role that challenges me technically and allows for growth in a collaborative environment.

I am a Senior Full Stack Engineer with over 9 years of experience specializing in building scalable web applications and microservices. My expertise lies in technologies such as React, Node.js, and Python, where I have successfully led the development of secure financial platforms and advanced social media applications. I am passionate about optimizing performance and ensuring secure architectures, which has allowed me to improve system efficiency significantly.

Throughout my career, I have mentored engineering teams, driving business objectives and enhancing user experiences through innovative solutions. My work at EMURGO and MAGICPORT LTD has equipped me with a strong foundation in backend development, cloud services, and real-time features, ensuring that I can deliver high-quality, maintainable code. I thrive in collaborative environments and am dedicated to continuous learning and improvement in my field.

Experience

Work history, roles, and key accomplishments

Principal Backend Engineer

EMURGO

Jun 2023 - Jan 2025 (1 year 7 months)

Led the development of a secure financial platform using React, Node.js, and Python, improving performance by 40% and handling over 100K transactions daily. Designed secure authentication systems and optimized banking transaction APIs, enhancing scalability and security.

Node Python Django React AWS OAuth 2.0 Kafka Redis

Senior Full Stack Engineer

MAGICPORT LTD

Jan 2022 - May 2023 (1 year 4 months)

Architected a casino gaming platform using Next.js, implementing secure authentication and real-time gaming features. Developed a scalable payment system and improved testing coverage, enhancing user engagement and reducing transaction failures.

Next.js OAuth 2.0 WebSockets Stripe AWS Jest Cypress

Full Stack Engineer

Amazon Web Services (AWS)

May 2019 - Jan 2022 (2 years 8 months)

Developed high-performance backend services using Node.js and Python, implementing real-time features and managing databases. Enhanced AWS infrastructure and CI/CD pipelines, improving system performance and developer productivity.

Node Python AWS GraphQL CI CD PostgreSQL DynamoDB WebSockets Terraform

Full Stack Developer

Geek Solutions

Feb 2015 - Apr 2019 (4 years 2 months)

Developed web services using React and Node.js, optimizing database performance and implementing security best practices. Collaborated with teams to enhance UI/UX and streamline workflows through internal tools.

React Node MongoDB JWT SQL Git Agile

Education

Degrees, certifications, and relevant coursework

Tallinn University

Bachelor's degree, Computer Science

2012 - 2015

Completed a Bachelor's degree in Computer Science, focusing on software development, algorithms, and data structures. Gained practical experience in programming languages and software engineering principles, preparing for a career in technology and software development.