Сергій

Serhii Email - [відкрити контакти](див. вище в блоці «контактна інформація»)

Lakodei LinkedIn - [відкрити контакти](див. вище в блоці «контактна інформація»)
Software Engineer Languages:
- Ukrainian - native
- English - B2

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Skills Python - FastAPI, Flask, Django, Dramatiq, Celery,
SQLAlchemy
JavaScript - React, NextJS, React-native
Infrastructure - AWS, DigitalOcean, Kubernetes, Terraform
Databases - PostgreSQL, MongoDB, DynamoDB, Redis,
QLDB

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Experience SoftVision - FullStack Engineer / Team Lead
April 2020 - Present
1. XBot - online trading platform for automation trading.
Technologies: Fastapi, Flask, Django, SQLAlchemy, Celery, EC2,
ECR, ECS, EKS, IAM, KMS, SQS, SES, S3, ElastiCache,
TS, React, NextJS.
Position: Full Stack engineer (Junior - Middle)
Team: 3 senior devs, 5 middle devs, 2 QA
Responsibilities:
- Make a Django application that has integration
with Binance
- Integration with crypto payment system
- Make FE part in React. Draw Trading charts
- Make a blog platform in NextJS
- Deploy to AWS (Amplify + ECS)
- Make CodePipeline using BitBucket pipeline

2. HUNCH - British online platform for sports fans, to
collect users' data.
Technologies: Fastapi, Flask, SQLAlchemy, Celery,
EC2, ECR, ECS, IAM, KMS, SQS, SES, S3, Lambda,
CodePipeline, TS, React, NextJS, ReactNative.
Position: Team Lead / DevOps (Middle - Senior)
Team: 4 middle devs, 1 QA
 Responsibilities:
- Make FE part with call Graphql API (React).
Users can make predictions and then show
users results.
- Support Graphql API (NestJS)
- Rewrite old monolith to microservices (to
Python)
- Create many FastAPI + Flask projects
- Make React-native application
- Make NextJS frontend
- Reorganize AWS infrastructure, move ec2
instance to ECS + Lambda
- Setup NoSQL databases (Mongo, Dynamo,
QLDB)
- Make terraform project
- Setup CI/CD
- Performance improvements
- Team Lead

GEO / Software Engineer - Part-time
September 2019 - Present
1. G50 - internal services, payment systems, and KYC
aggregators.
Technologies: Fastapi, Flask, Django, SQLAlchemy,
Dramatiq, DigitalOcean, Kubernetes
Position: Python engineer
Team: 2 middle devs, 1 QA
Responsibilities:
- Rewrite old monolith to microservices (from
Django to FastAPI + Falsk)
- Make external integration with payment
systems (nearly 30+ integrations)
- Make KYC provider
- Make SMS and Email notification services
- Setup Kubernetes infrastructure
- Setup logging with EFK (Fluenbit +
ElasticSearch + Kibana)
- Mentor for 1 junior dev

2. ABEX - Innovative gateway to accept, send, and
exchange fiat currencies (UAH) and digital assets.
Technologies: Fastapi, Flask, Django, SQLAlchemy,
Celery, EC2, ECR, ECS, IAM, SQS, S3, Lambda,
CodePipeline, Auth0
 Position: Python engineer / DevOps
Team: 3 senior devs, 4 middle devs, 2QA
Responsibilities:
- Refactor and support old legacy code
- Make a new signup service with Auht0
integration
- Make AML a provider for crypto transactions
- Create a new infrastructure in AWS
- Mentor for 2 devs

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Education Cursor / Python Developer
February 2019 - September 2019, Remote

Pet Projects / All development cycle
All time
1. Companion - mobile app where users can watch events. That is, I
want to go to the mountains but there is no one with me, I
create an event in the app and people are already joining me. It
can also be useful when organizing large events such as concerts
or workshops.

Stack: AWS infrastructure, Python backend (FastAPI), JS mobile
app (React native)

2. HarvestHUB - An online marketplace where an ordinary farmer
can sell his products directly from the garden.

Stack: AWS infrastructure, Python backend (FastAPI), JS mobile
app (React native), JS frontend app (NextJS)