Senior Software Developer​/Tech Lead

Job Title

Kyivstar.

Tech — Ukrainian Hybrid It Company, Resident Diya.

City. We Are A Subsidiary Of Kyivstar, One Of The Largest Ukrainian Telecom Operators.

Our Mission Is To Change Lives In Ukraine And The World By Creating Technological Solutions And Products That Realize The Potential Of Companies And Users' Needs.

More Than 600 Specialists Ks.Tech Work Daily In Various Areas:
Mobile And Web Solutions, As Well As Design, Development, Support And Maintenance Of High-Performance Systems And Services.

We Believe In Innovations That Really Bring Qualitative Changes, And We Constantly Challenge Traditional Approaches And Solutions. Each Of Us Is An Adherent Of Entrepreneurial Culture That Allows Never To Stop, Develop And Create Something New.

What You Will Do

• Develop High-Load Distributed Middleware And Backend Applications In The Telecom Sphere — Processing Provisioning Requests, Order Data-Contents, Voice, Billing And Tariffication Events.
• Design The Architecture Of Microservice Systems, Apis And New Business Logic.
• Write, Collect And Deploy Code, Optimize It And Conduct Code Review.
• Cover Solutions With Unit, Integration And Load Tests.
• Prepare Technical Documentation.
• Consult On New And Existing Systems To Agree On Project Documentation.
• Maintain The Stable Operation Of Services.

What Qualifications And Experience Are Needed

• From 5 Years In Development, With At Least 2 Years Of Participation In Commercial Projects.
• From 2 Years Of Management Experience (Processes, Projects Or People).
• Java 8/17 (Concurrency, Parallel, Distributed).
• Development Of Web Applications (Format Of Exchange — Json/Xml), Building Rest Architecture.
• Work With Nosql (Cassandra Db) And Sql Databases.
• Understanding The Principles Of Building Relational Databases, Confident Knowledge Of Sql (Oracle).
• Database Design, Writing Procedures, Functions, Jobs/Schedulers.
• Optimization Of Database Queries (Indexing, Partitioning).
• Building Etl Processes.
• Knowledge Of Ci/Cd Processes, Experience With Maven, Gradle, Junit And Ci/Cd Tools.
• Spring Framework (Mvc, Boot, Security), Akka (Http, Streams), Distributed Cache Framework, Hibernate.
• Work With Data Exchange Brokers (Kafka, Jms Brokers).
• Understanding The Principles Of Distributed Systems And Practical Experience With Them.
• Flexible Development Methodologies, Knowledge And Application Of Sdlc, Scrum, Kanban, Xp, Wf.
• Microservices, Soa, Monolith, Design Patterns, Event Sourcing, Cqrs, Ddd.
• Docker Stack.
• Grafana, Elk Stack, Artifactory.
• English — At The Level Of Conducting Negotiations And Correspondence.

It Will Be A Plus

• Writing Technical Documentation And Experience In Software Support.
• Knowledge Of The Telecom Domain — Architecture Of Billing And Provisioning Systems, Vas (Value Added Services), Basic Understanding Of The Construction Of Gsm Networks.
• Etl Tools:
  Apache Airflow, Apache Spark.
• Tools For Incremental Changes In Db (Liquibase).

We Offer

• Office Or Remote — Decide For Yourself.
• Remote Onboarding.
• Performance Bonuses For Everyone (Annual Or Quarterly — Depending On The Role).
• Training:
  Many Internal Resources And Programs From Partners, Own Library.
• Health And Life Insurance For Employees.
• Wellbeing Program And Corporate Psychologist.
• Compensation Of Expenses For Kyivstar Mobile Communication.