Ciklum
Опис
Ciklum is looking for a Senior Kotlin/Java Developer to join our team full-time
in Ukraine.
We are a custom product engineering company that supports both multinational
organizations and scaling startups to solve their most complex business
challenges. With a global team of over 4,000 highly skilled developers,
consultants, analysts and product owners, we engineer technology that redefines
industries and shapes the way people live.
About Client:
With almost 100 million active users across 25 countries, they’re a global food
tech company. As a recently formed team, they have many opportunities and ideas
for sharing value back to the customers within their continuously expanding
platform. They're looking for talented and trusted engineers to help them
impress their customers.
About the role:
As a Senior Java Developer, become a part of a cross-functional development team
working for the customer. The role is required to be familiar with lean mean
machine framework for the innovation/incubator space. This senior engineer
should be skilled in backend API integration, working on our services that
interface with OpenAI and other LLMs, and prompt engineering. They should have
strong experience with backend Kotlin and libraries like Ktor and Koin.
RESPONSIBILITIES:
* Write highly testable, automatable and performant code over the whole SDLC
using high coding standards and software best practices
* Develop a prototype, prove the value of the features and show a demo
* Develop and review feature design documents and provide inputs/update
to specifications for the solution
* Participate in the team activities according to the methodology — daily
meetings, planning, retrospectives etc.)
* Сoach/supervise middle/junior engineers by demand of the project
* Be comfortable with research with new experiments and ideas
REQUIREMENTS:
* Software Design:
* Use of best practices and patterns during application design and
implementation
* Hands-on experience with monolith, microservice, and serverless
architectural styles
* Software development:
* Proficiency in Kotlin / Java, with strong understanding of the JVM
ecosystem and interoperability
* Experience integrating LLM technologies and working with AI-driven
solutions
* Hands-on expertise in building AI agents using protocols such as MCP and
ATA
* Practical experience in writing and performance tuning of complex SQL
* Quality Assurance:
* In-depth proficiency level in JUnit, Mockito
* Previous participation in constant quality improvement on the project:
conducting code reviews, setting up quality metrics, and monitoring
* Software Deployment:
* Hands-on experience with application deployment patterns and tools
* Practical experience in infrastructure configuration using popular cloud
providers
DESIRABLE:
* Experience in configuring application security aspects
* Practical experience in application performance optimization
WHAT’S IN IT FOR YOU?
* Strong community: Work alongside top professionals in a friendly, open-door
environment
* Growth focus: Take on large-scale projects with a global impact and expand
your expertise
* Tailored learning: Boost your skills with internal events (meetups,
conferences, workshops), Udemy access, language courses, and company-paid
certifications
* Endless opportunities: Explore diverse domains through internal mobility,
finding the best fit to gain hands-on experience with cutting-edge
technologies
* Flexibility: Enjoy radical flexibility — work remotely or from an office,
your choice
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve
more, and engineering solutions that matter. With us, you’ll work with
cutting-edge technologies, contribute to impactful projects, and be part
of a One Team culture that values collaboration and progress.
As one of Ukraine’s largest IT companies and a top employer recognized
by Forbes, we’ve spent over 20 years delivering meaningful tech solutions.
We proudly support diverse talent and military veterans, recognizing their
unique skills and perspectives they bring to shaping the future.
Want to learn more about us? Follow us on Instagram
[https://www.instagram.com/ciklum/], Facebook
[https://www.facebook.com/Ciklum/], LinkedIn
[https://www.linkedin.com/company/ciklum/].
Explore, empower, engineer with Ciklum!
Interested already?
We would love to get to know you! Submit your application. Can’t wait to see you
at Ciklum.
in Ukraine.
We are a custom product engineering company that supports both multinational
organizations and scaling startups to solve their most complex business
challenges. With a global team of over 4,000 highly skilled developers,
consultants, analysts and product owners, we engineer technology that redefines
industries and shapes the way people live.
About Client:
With almost 100 million active users across 25 countries, they’re a global food
tech company. As a recently formed team, they have many opportunities and ideas
for sharing value back to the customers within their continuously expanding
platform. They're looking for talented and trusted engineers to help them
impress their customers.
About the role:
As a Senior Java Developer, become a part of a cross-functional development team
working for the customer. The role is required to be familiar with lean mean
machine framework for the innovation/incubator space. This senior engineer
should be skilled in backend API integration, working on our services that
interface with OpenAI and other LLMs, and prompt engineering. They should have
strong experience with backend Kotlin and libraries like Ktor and Koin.
RESPONSIBILITIES:
* Write highly testable, automatable and performant code over the whole SDLC
using high coding standards and software best practices
* Develop a prototype, prove the value of the features and show a demo
* Develop and review feature design documents and provide inputs/update
to specifications for the solution
* Participate in the team activities according to the methodology — daily
meetings, planning, retrospectives etc.)
* Сoach/supervise middle/junior engineers by demand of the project
* Be comfortable with research with new experiments and ideas
REQUIREMENTS:
* Software Design:
* Use of best practices and patterns during application design and
implementation
* Hands-on experience with monolith, microservice, and serverless
architectural styles
* Software development:
* Proficiency in Kotlin / Java, with strong understanding of the JVM
ecosystem and interoperability
* Experience integrating LLM technologies and working with AI-driven
solutions
* Hands-on expertise in building AI agents using protocols such as MCP and
ATA
* Practical experience in writing and performance tuning of complex SQL
* Quality Assurance:
* In-depth proficiency level in JUnit, Mockito
* Previous participation in constant quality improvement on the project:
conducting code reviews, setting up quality metrics, and monitoring
* Software Deployment:
* Hands-on experience with application deployment patterns and tools
* Practical experience in infrastructure configuration using popular cloud
providers
DESIRABLE:
* Experience in configuring application security aspects
* Practical experience in application performance optimization
WHAT’S IN IT FOR YOU?
* Strong community: Work alongside top professionals in a friendly, open-door
environment
* Growth focus: Take on large-scale projects with a global impact and expand
your expertise
* Tailored learning: Boost your skills with internal events (meetups,
conferences, workshops), Udemy access, language courses, and company-paid
certifications
* Endless opportunities: Explore diverse domains through internal mobility,
finding the best fit to gain hands-on experience with cutting-edge
technologies
* Flexibility: Enjoy radical flexibility — work remotely or from an office,
your choice
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve
more, and engineering solutions that matter. With us, you’ll work with
cutting-edge technologies, contribute to impactful projects, and be part
of a One Team culture that values collaboration and progress.
As one of Ukraine’s largest IT companies and a top employer recognized
by Forbes, we’ve spent over 20 years delivering meaningful tech solutions.
We proudly support diverse talent and military veterans, recognizing their
unique skills and perspectives they bring to shaping the future.
Want to learn more about us? Follow us on Instagram
[https://www.instagram.com/ciklum/], Facebook
[https://www.facebook.com/Ciklum/], LinkedIn
[https://www.linkedin.com/company/ciklum/].
Explore, empower, engineer with Ciklum!
Interested already?
We would love to get to know you! Submit your application. Can’t wait to see you
at Ciklum.