Candidates 9
$500 / mo
≈ $6000 / year net
Java Developer
Ukraine · Lviv · No experience · Upper-Intermediate ·Published yesterday
Ukraine · Lviv · No experience · Upper-Intermediate ·Published yesterday
Streaming and message queues).
A project that implements a Java web application representing bus ticket booth.
A project that is a web service which subscribes to a webhook and sends a message via a telegram bot when a request is received.
A project that implements a Java web app for creating, managing and solving puzzles. It allows users
to upload puzzle images, split them into pieces, manipulate the pieces, and solve the puzzle.
Java CLI application for calculating the roots of expressions. Users can enter mathematical
expressions, calculate their roots, and store the results in a database. The program also validates
the correctness of the entered expressions before calculating.
A test project which me and my team developed to participate in hackathon (BEST:: HACKathon (2023)). We
successfully completed it.
More on my GitHub account
$6000 / mo
≈ $72000 / year net
Scala/Python Software Developer
Ukraine · Lviv · More than 10 years of experience · Upper-Intermediate ·Published 22 April · In passive search
Ukraine · Lviv · More than 10 years of experience · Upper-Intermediate ·Published 22 April · In passive search
For the last 5 years, I have been working as a Scala and Python Data Engineer in the Automotive sector. I've performed various tasks related to data storage and processing. I've used frameworks like Spark and Hadoop for data processing.
Magento Certified Developer Plus
Stanford Online: Introduction to Databases
edX Certificate for Introduction to Computer Programming, Part 1 (C++)
edX Certificate for Introduction to Computer Programming, Part 2 (C++)
edX Certificate for Introduction to Computer Science and Programming Using Python (Python)
edX Certificate for Introduction to Computational Thinking and Data Science (Python)
Stepic: Hadoop
Stepic: Discrete Math
Coursera: Andrew Ng, Machine Learning
Open Data Science: Machine Learning Course Open, 19 place
$6500 / mo
≈ $78000 / year net
Go/Scala Software Engineer
Ukraine · Lviv · 6 years of experience · Advanced/Fluent ·Published 15 April
Ukraine · Lviv · 6 years of experience · Advanced/Fluent ·Published 15 April
Fast learner, able to pick up any technology satisfying business needs in a reasonable time.
Have been working in projects related to cybersecurity, network analytics, Big Data, authentication/authorization.
Extensive experience in software orchestration and developing cloud-native applications for AWS. Good troubleshooting and investigation skills.
Rewrote a big (50000+ LoC) monolithic Go application to utilize Zeebe orchestration engine to enable horizontal scalability and observability.
Led a team of 3 developers working on an EdTech project dedicated to secure software development. Project was delivered within estimated timeline and with quality exceeding customer's expectations.
Preferably slow-paced work environment, no deadline rush.
Low bureaucracy, established procedures (or ablility to establish thereof).
$6500 / mo
≈ $78000 / year net
Scala Engineering Lead
Ukraine · Lviv · More than 10 years of experience · Upper-Intermediate ·Published 4 April · In passive search
Ukraine · Lviv · More than 10 years of experience · Upper-Intermediate ·Published 4 April · In passive search
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$8000 / mo
≈ $96000 / year net
Senior Full Stack Web Developer
Poland · More than 10 years of experience · Advanced/Fluent ·Published 31 March · In passive search
Poland · More than 10 years of experience · Advanced/Fluent ·Published 31 March · In passive search
Latest top projects:
Liquidity monitoring cloud applications
Java 8 + Lombok + Reactor, Spring (Boot, Data), Azure CosmosDB, Kafka, OpenApi 3, Docker, Kubernetes, NodeJS, React + TypeScript, Redux, TeamCity, GitHub/GitLab
Trading infrastructure applications
Java SE8, Spring Boot, Oracle DB, Ext JS, Redis, Kafka, Maven, Atlassian development stack, GitLab
Improvements of services and environments (performance, technical and version upgrade, integration and resource usage):
reduced average application instance memory usage up to 2 times;
move application scheduled restart from daily to weekly mode.
$6250 / mo
≈ $75000 / year net
Senior Software Engineer
Ukraine · 8 years of experience · Advanced/Fluent ·Published 28 March · In passive search
Ukraine · 8 years of experience · Advanced/Fluent ·Published 28 March · In passive search
Frameworks: Apache Spark, Akka Streams (+ Akka Actors), Kafka Streams.
Databases and data warehouses used: Amazon Redshift, PostgreSQL, MySQL, Redis, Cassandra
Other from Scala ecosystem: cats, http4s, doobie
Other tech: Presto/Trino, ElasticSearch, Airflow, Docker, Kubernetes
Optimized stream apps to handle more than 3 million messages per hour from Kafka and other sources.
Drove system architecture discussions and decisions on several projects with lead developers to bring software to production quality.
$6500 / mo
≈ $78000 / year net
Scala Developer
Ukraine · 5 years of experience · Upper-Intermediate ·Published 27 March · In passive search
Ukraine · 5 years of experience · Upper-Intermediate ·Published 27 March · In passive search
* Improved interview process, designed technical assignments
* Mentored software developers, including juniors and interns
* Scaled development for increasing team size
* Designed & documented a new architecture candidate, made it part of the roadmap
* Did lead a Worldline-wide Scala chapter, showcased technical presentations there
Worldline (ex. Bambora) - Senior software developer
* Completely redesigned & reimplemented 2 key modules of the system, improving fault-tolerance/security/user&developer experience
* Gathered requirements, designed, implemented, tested and rolled out a new module
* Initiated product-wide tech debt elimination & tech stack upgrade
* Took part in interviews as a tech interviewer
Five Stories Tall (fintech startup) - Scala back-end engineer
* Added lots of new functionality including Stripe integration
* Wrote internal wiki articles about investigated stuff, did technical decision about technologies to adopt based on them
* Took part in requirements collection & tasks planning
* Improved performance and security of the GraphQL API
JetSoftPro: Scala back-end engineer, technical interviewer.
* Audit24 // auditing:
** Improved speed & stability of the web app
** Fixed some issues on back-end (C#/Entity framework) and mobile (native Android app)
** Improved deployment process
* DentaMetrix // healthcare:
** Discussed business requirements and transformed them into tickets
** Connected the back-end API with live data source (spark streaming + cassandra)
** Improved security part
** Brought new devs on board
V.I.Tech: Data science intern at healthcare project.
* Learned dimensionality reduction & clustering algorithms
* Improved 'in-cluster trace' plots, created some new ones
* Implemented clusters matching
* Improved a faulty module to a 'zero customer-raised support tickets/month' state
* With PM's help, scaled the tech team to allow architecture redesign (planned by me) to allow further product growth
...
$2500 / mo
≈ $30000 / year net
Scala/React full-stack developer
Ukraine · Lviv · 3 years of experience · Intermediate ·Published 16 March
Ukraine · Lviv · 3 years of experience · Intermediate ·Published 16 March
Akka (basics);
Cats(basics)
DB: MySQL, Oracle SQL, PostgreSQL;
Web: HTML/CSS, REST;
OS: Windows, Linux, Mac;
Tools: Maven; Github; Docker
Spark(basics)
Jira Cloud/Server
Customers support
$1000 / mo
≈ $12000 / year net
scala developer
Ukraine · 2 years of experience · Intermediate ·Published 29 February
Ukraine · 2 years of experience · Intermediate ·Published 29 February
A security project that checks email for
a possible spam.
Social network project
A project for monitoring social
networks connected to the user’s
account. The project allows users to
post any kind of the content
(messages, videos , photos). Also,
project show statistic by views by and
helps users to set more informative
tags.