Alexander Y.

Alexander Y. — SOFTWARE ENGINEER

Expertise in Full Stack Web (4.0 yr.), Back-End Web.

Last verified on February 08, 2024

Core Skills

JavaScript

4 yr.

Node.js

4 yr.

Redis

4 yr.

PostgreSQL

3 yr.

Firestore DB

Bio Summary

Software Engineer with a Computer Science background and 4+ years of full-stack development experience, specializing in building high-performance applications within the FoodTech, Financial, and Gambling domains. Expertise in JavaScript and TypeScript, alongside proficiency in backend technologies such as Node JS, Nest JS, and various databases including MongoDB, PostgreSQL, and MySQL. Adept in cloud services, particularly AWS, and DevOps tools like Docker and GitHub Actions. Demonstrated success in developing microservices architectures, implementing CI/CD pipelines, and managing scalable cloud infrastructure. Recognized for optimizing systems, resolving complex problems, and automating processes through robust technical solutions.

Technical Skills

Programming Languages	JavaScript, TypeScript
JavaScript Libraries and Tools	Mongoose
JavaScript Frameworks	NestJS, Node.js
Data Analysis and Visualization Technologies	Presto S3
Databases & Management Systems / ORM	AWS DynamoDB, Firestore DB, MongoDB, MySQL, PostgreSQL, Redis
Amazon Web Services	AWS API Gateway, AWS CloudTrail, AWS CloudWatch, AWS DynamoDB, AWS EC2
SDK / API and Integrations	AWS API Gateway
Version Control	BitBucket
Message/Queue/Task Brokers	RabbitMQ

Work Experience

Software Engineer, BETTING PLATFORM

Duration: 03.2022 - Till now
Summary: BETTING PLATFORM - A secure and transparent betting platform with automated processes for fair play and data integration for informed betting decisions.
Responsibilities: Backend development; Designing and implementing microservices architecture; Developing REST APIs using Nest JS; Managing the Docker environment including Dockerfiles, images, and containers; Designing DynamoDB databases; Performance tuning on EC2 instances; Solving optimization problems; Writing automated tests with Jest; Implementing CI/CD pipelines; Providing support and troubleshooting.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, Mongoose, MongoDB, GraphQL, Redis, Docker, Docker Compose, Jest, Nginx, AWS(EC2, DynamoDB, API Gateway, CloudWatch), Git, GitHub, GitHub Actions

Software Engineer, BUDGET CALCULATION APP

Duration: 08.2020 - 03.2022
Summary: BUDGET CALCULATION APP - A comprehensive application for managing and tracking personal or business finances, with functionalities to calculate and organize budgets, input income and expenses, and set spending limits.
Responsibilities: Backend development; User authorization/authentication with OAuth; Transaction handling; Integrating Cloud Functions with Firebase Authentication and Firestore DB; Implementing financial resources management features; Query caching with Redis; Performance testing; Implementing versioning and access control for Firestore DB files; Database query optimization; Leveraging Jira integration with Git; Developing custom React hooks; API documentation with Swagger; Writing unit tests.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, TypeORM, PostgreSQL, OAuth, Jest, Redis, Docker, Docker Compose, Swagger, Firebase(Firestore DB, Cloud Functions), Git, Bitbucket

Software Engineer, FOOD DELIVERY

Duration: 09.2019 - 08.2020
Summary: FOOD DELIVERY - An app that provides delivery services from a variety of restaurants and shops, with the ability to select dishes, curate orders, and track the delivery person in real-time, along with a separate service for gathering statistical data.
Responsibilities: Backend development; Implementing microservices architecture for traffic optimization and scalability; Enhancing REST API functionality; Modeling database entities; Managing PostgreSQL databases; MySQL to PostgreSQL migration; Developing complex SQL queries; Integrating RabbitMQ for service communication; Automated AWS S3 backup solutions; Managing EC2 instances; Technical documentation and API specifications; Establishing CI/CD workflows with GitHub Actions; Writing unit tests.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, Express JS, TypeORM, MySQL, Swagger, Jest, RabbitMQ, PostgreSQL, AWS(EC2, S3, CloudWatch), Redis, Docker, Docker Compose, Git, GitHub, GitHub Actions

Education

Computer Science and Software Engineering

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Alexander Y.
or someone with similar Skills?

Book a call with Alexander Y.

Start Hiring