Recommended expert
Aliaksei Stohniy
Backend Developer (Java)
Experience
Jul 2023 - Present
2 years 8 monthsBackend Developer (Java)
naviparking.com
- java 17
- spring
- hibernate
- postgres
- redis
- aws (sqs, s3)
- kubernetes
Apr 2022 - Mar 2023
1 yearBackend Developer (Java)
blynk.io
- IoT project with high throughput: up to 200k rps, up to 50k devices online, single instance
- Low-level usage of Netty (dynamic protocol detection, low-level concurrency handling etc)
- Custom binary protocol for communication with devices
- java 17, netty, websockets, custom binary protocol, clickhouse, maven
- Implemented custom protocol for interacting with customer’s devices
- Implemented order management system based on real-time data from devices from scratch
- Improved company’s estimations approach, forced development to bring product earlier than required by the contract
Dec 2019 - Apr 2022
2 years 5 monthsBackend Developer (Java)
viber.com
- Advertising management backoffice API
- java 11, spring, AWS services (ECS, RDS, DynamoDB, S3, SQS)
- Implemented set of internal services (ads management, ad messaging API, reporting), thus improving interactions with company’s clients
- Set up monitoring of current prod solution and improved prod environment
- Contributed to code style approach in order to keep balance between happy developers and team efficiency
Mar 2018 - Dec 2019
1 year 10 monthsBackend Team Lead
av.by
- Classified ads site
- symfony, MySQL, Redis, ElasticSearch, Logstash, Docker, PHPUnit, Behat
- Built a new team from scratch
- Designed a new system and interactions with frontend
- Prepared specifications for backend team
- Set up new team’s processes, contributed to solving communication issues with new departments
- Handled migration from bare-metal to cloud provider, fixing cloud-related issues
- Contributed to building new estimations / project management approach
Aug 2015 - Mar 2018
2 years 8 monthsBackend Developer (PHP)
everhour.com
- Time-tracking application integrated with most popular task tracking systems
- symfony (PHP framework), MySQL, Redis, ElasticSearch, REST API, PHPUnit, Behat
- Development team size: 4+
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (8 years), Telecommunication (2.5 years), and Automotive (2 years).
Information Technology
Telecommunication
Automotive
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (10 years), Product Development (10 years), and Project Management (2 years).
Information Technology
Product Development
Project Management
Summary
- Backend developer since 2011.
Skills
- Java, Spring, Spring Boot, Hibernate, Jdbc, Maven, Gradle, Netty
- Postgres, Mysql, Clickhouse, Elasticsearch, Redis, Memcached
- Docker, Kubernetes, Jenkins, Ansible, Argocd
- Aws (Ecs, Rds, Dynamodb, S3, Sqs)
- Elk, Grafana, Opensearch, Logstash, Newrelic, Prometheus
- Http, Rest, Soap, Websockets, Tcp, Graphql
- Rabbitmq
- Java (4.5+ Years), Php (7 Years), C++ (1.5 Years), Erlang (0.5 Year)
Languages
Russian
NativeEnglish
AdvancedPolish
IntermediateEducation
Oct 2009 - Jun 2013
BSUIIR
bachelor’s degree · Telecommunications Engineering · Minsk, Belarus
Profile
Created
Last Update
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Aliaksei based?
Aliaksei is based in Gdańsk, Poland and can operate in on-site, hybrid, and remote work models.
What languages does Aliaksei speak?
Aliaksei speaks the following languages: Russian (Native), English (Advanced), Polish (Intermediate).
How many years of experience does Aliaksei have?
Aliaksei has at least 10 years of experience. During this time, Aliaksei has worked in at least 3 different roles and for 5 different companies. The average length of individual experience is 2 years. Note that Aliaksei may not have shared all experience and actually has more experience.
What roles would Aliaksei be best suited for?
Based on recent experience, Aliaksei would be well-suited for roles such as: Backend Developer (Java), Backend Team Lead, Backend Developer (PHP).
What is Aliaksei's latest experience?
Aliaksei's most recent position is Backend Developer (Java) at naviparking.com.
What companies has Aliaksei worked for in recent years?
In recent years, Aliaksei has worked for naviparking.com, blynk.io, and viber.com.
Which industries is Aliaksei most experienced in?
Aliaksei is most experienced in industries like Information Technology (IT), Telecommunication, and Automotive.
Which business areas is Aliaksei most experienced in?
Aliaksei is most experienced in business areas like Information Technology (IT), Product Development, and Project Management.
Which industries has Aliaksei worked in recently?
Aliaksei has recently worked in industries like Information Technology (IT) and Telecommunication.
Which business areas has Aliaksei worked in recently?
Aliaksei has recently worked in business areas like Information Technology (IT) and Product Development.
What is Aliaksei's education?
Aliaksei holds a Bachelor in Telecommunications Engineering from BSUIIR.
What is the availability of Aliaksei?
Aliaksei is immediately available for suitable projects.
What is the rate of Aliaksei?
Aliaksei's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Aliaksei?
To hire Aliaksei, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
800
600
400
200
Market avg: 480-640 €
Market avg: 480-640 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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