Dmitrii Cernev, Senior Backend/DevOps engineer

About

I am a Senior Backend/DevOps engineer. I have 8 years of Python experience and 6 years of Node.js experience, and I am well-versed in Django&Flask&FastAPI framework. And my favorite stack is Serverless and I am strong at DevOps engineering on AWS. So I am familiar DevOps tools such as Terrafrom and Ansible.

Experience

EtherealRisk

Jun 2022 – Present

New York

AWS DevOps Engineer

• Designed and implemented efficient communication systems for clients and vendors while also creating effective internal processes for business functionality and internal auditing. • Developed extensive PL/SQL procedures, packages, functions, and triggers to enhance the EtherealRisk platform's back-end capabilities. • Designed and integrated data models into AWS Lambda applications, providing end-to-end traceability and Key Business Element definition for complex analysis and reporting. • Leveraged Python programming skills to create Lambda functions and scripts for large-scale data analytics and transformations on EMR clusters and AWS Kinesis data streams. • Managed the creation of EtherealRisk Pipeline using AWS CloudFormation, resulting in a highly optimized VPC with all necessary resources in place. • Created several External Functions for Snowflake using AWS Lambda.

Makai Labs

May 2021 – Oct 2022

New York

Senior Software Engineer

• Developed consumer-focused applications using FastAPI and Django&DRF, facilitated through paired programming and test-driven development practices. • Designed custom DocSign and Invoice parsing tools utilizing an extensive technology stack, resulting in increased efficiency and productivity for the team. • Optimized Elasticsearch indexing to enhance search functionality and enable successful query execution on large volumes of documents. • Created Node.js ETL scripts to extract data from one database table and update another, improving data accuracy and accessibility.

TripElephant

Jun 2019 – Apr 2021

Toronto

Software Developer

• Designed robust, scalable, secure, and globalized web-based applications to ensure the continuity of all business processes and client satisfaction. • Involved in analysis and design of the application features.• Worked on the improvement of data protection and security, increasing security rate by 24% while creating new user information solutions. • Develop consumer based features and applications using Python and Django in test driven Development and pair based programming. • Performed Unit testing, Integration Testing, GUI and web application testing. • Implemented user interface guidelines and standards throughout the development and maintenance of the website using the Vue, HTML, CSS, JavaScript and JQuery. • Worked on Jenkins continuous integration tool for deployment of project. • Worked on changes to open stack and AWS to accommodate large-scale data center deployment. • Worked in PostgreSQL database on simple queries and writing Stored Procedures for normalization. • Maintained large databases and configured services to reduce software maintenance expenses, decreasing the costs by 15% within just one year. • Deployed the project into Jenkins using GIT version control system.

Viso.ai

May 2018 – Oct 2019

Schaffhausen

Senior Back-end Developer

• Trained and implemented a Machine Learning Model, improving accuracy and efficiency. • Developed and integrated various back-end services and databases (MySQL, PostgreSQL, MongoDB) in the team's new Web Portal project. • Assisted in maintaining, scaling, and expanding the college website, ensuring smooth functionality. • Responded promptly to and effectively resolved emergency issues on the back-end. • Designed and developed robust databases that supported web applications and sites. • Contributed significantly to technical design documentation for the team.

OhmConnect

Feb 2016 – Apr 2018

Oakland

Senior Python Developer

• Streamlined and restructured modules of a legacy external web app, reducing deployment time by 85% and improving code maintainability. • Designed and implemented crucial API endpoints for a high-volume external web app, increasing system cohesion and managing code complexity while enabling distributed functionality. • Executed full-stack development tasks for a high-volume online service with Flask, Pandas, and PL/SQL, delivering 10 major product updates with consistency and precision. • Optimized data storage and search queries for a critical external web app using PL/SQL, achieving a remarkable 65% improvement in system response time.

Cedacri

Aug 2013 – Feb 2016

Chisinau

Python Developer

• Designed and maintained databases, ensuring seamless data management. • Developed high-performance Python-based APIs using popular frameworks such as Django and Flask, dynamically improving the user experience. • Conducted rigorous test design and planning, guaranteeing optimal software quality. • Created an autonomous and robust continuous integration system that increased deployment efficiency by over 50%. • Championed cloud-based technologies to provide flexible options for on-premise deployment.

Education

Fooyin University

Oct 2009 – Oct 2013

Bachelor, Science in Computer and Information Sciences and Support

Dmitrii Cernev

Senior Backend/DevOps engineer

Skills

Languages