Jobs Kyiv, Java

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

Key Responsibilities

• Design, develop, and maintain catalog-driven service orchestration solutions.
• Implement and support Nokia FlowOne-based fulfilment workflows.
• Collaborate with cross-functional teams to deliver customer-specific solutions.
• Develop and integrate service/resource inventory and provisioning systems.
• Contribute to the architecture of virtualized and containerized applications.
• Participate in Agile ceremonies and contribute to continuous improvement.
 

Your Role:

• Proven development experience in multiple customer delivery projects in the fulfilment domain.
• Hands-on experience with FlowOne solutions (Nice to have).
• Strong proficiency in Java or other object-oriented programming languages.
• Solid understanding of OSS/BSS architecture and its role in telecom service delivery.
• Experience integrating OSS components (inventory, provisioning, orchestration) with BSS systems (CRM, billing).
• Excellent oral and written communication skills in English.

High-level knowledge and recent development experience in:

• Catalog-driven service orchestration.
• Service and resource inventory solutions.
• Provisioning for access technologies (xDSL, FTTx).
• Provisioning for core network technologies (IP/MPLS).
• Mobile services provisioning.
• Service/Resource orchestration.

• Virtualized and containerized application architectures.

   

Nice to Have Skills

• Experience with SQL, Oracle, or PostgreSQL databases.
• Familiarity with CaaS platforms, Kubernetes, and Docker.
• Exposure to Agile project delivery methodologies.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

Job Description

Join our Internal Platform Engineering (IPE) team as a Server Engineer and be at the forefront of developing innovative systems and tools that enhance Wix's operational velocity. You will play a pivotal role in building generative AI tools, tailored security solutions and API gateways, all while ensuring our infrastructure remains scalable, reliable, and secure.
 

• Design, build, and maintain scalable, reliable, and secure infrastructure and tools
• Enhance system performance and ensure high availability
• Streamline deployment pipelines for efficient and seamless software delivery
• Collaborate with development and operations teams to support their needs
• Contribute to the development of inter-company systems and tools from end to end
• Innovate and implement cutting-edge technologies to drive Wix forward

Qualifications

• 3+ years of experience in backend development
• Proficiency in backend technologies such as Python, NodeJS, Java, TypeScript
• Broad understanding of software architecture and design
• Deep knowledge of software best practices and testing methodologies
• Very good communication skills
• Flexible technology-wise with a can-do attitude

About the team

We are Wix’s Internal Platform Engineering team. We’re at the heart of our technology organization, empowering developers and operations teams with robust, scalable, and efficient infrastructure. We focus on designing and maintaining a unified platform that streamlines development workflows, accelerates deployments, and ensures system reliability. Our mission is to enable innovation and operational excellence by building tools, frameworks, and infrastructure that simplify complex processes, improve collaboration, and drive performance across the organization.

Delasport — Implementing Technological Solutions Here and Now

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK
Microservice architecture, Java 21, Spring Boot 3.4+, Kafka, PostgreSQL, Redis, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result
• Taking part in team extension (interviewing, providing feedback, participating in interview post-briefs)

REQUIREMENTS

• 5+ years of commercial development experience using Java-related technologies
• 2+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

A recruitment agency, HiringWise is looking for Software Engineer for the development team of the software product company, which is a premier provider of mobile attribution and marketing analytics solutions that empowers app marketers globally to optimize their strategic decision-making processes.

The team builds internal services and tools for Data Engineers and other Software Development teams. They are leading the transition from Data Lake to Data Mesh, providing:

• Services for data ingestion at a massive scale
• Data operations services in a Mesh architecture

• Tools to empower other teams to build reliable, cost-effective, and performant data pipelines

   

What you’ll do:

• Collaborate on the architecture and evolution of our Data Mesh platform;
• Design and build robust, high-quality, and scalable services;
• Optimize storage and computation to reduce latency and cost;
• Own services end-to-end: from design and coding to deployment, monitoring, and scaling;
• Design secure & compliant data storage from day one;
• Contribute to ETL/reporting as showcase examples for other engineering teams;
• Continuously improve automation, observability, and infrastructure reliability.

What you bring:

• 5+ years of backend/data engineering experience;
• Strong development skills in JVM-based languages (Java, Scala, Kotlin, etc.);
• Solid understanding of concurrency and distributed computing;
• Familiarity with SQL and ETLs over distributed computation frameworks;
• Solid understanding of cloud environment services (AWS/GCP/Azure, etc) - operating and interconnecting;
• Awareness of CI/CD practices, cloud infrastructure provisioning, and network fundamentals;
• Strong desire to learn and grow with the team.

Soft Skills:

• Fluent English – both written and spoken;
• Ability to work independently, take ownership, and drive tasks to completion;
• Strong analytical and problem-solving skills;
• Team-oriented mindset with the ability to collaborate across different geographies;
• Curiosity, adaptability, and willingness to explore new technologies.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

As a Server Engineer, you’ll design, develop, and maintain scalable backend services for a new AI-powered chatbot product. In this role, you’ll help define how users design, personalize, and interact with digital characters, unlocking new possibilities in storytelling, communication, and play. You’ll collaborate with cross-functional teams to deliver reliable and high-performance solutions.

In your day-to-day, you will:

• Design, develop, and maintain scalable backend services using Scala, Kafka, and related technologies
• Build and evolve the core platform for a new AI-powered chatbot product, integrating multiple APIs and services
• Own the end-to-end lifecycle of backend features — from design and implementation to deployment and monitoring
• Drive architectural decisions and contribute to technical direction for distributed systems and event-driven workflows

• Collaborate closely with client and AI teams to ensure high performance, reliability, and seamless user experiences

   

Requirements

• Experience in backend development
• Solid understanding of distributed systems, event streaming, and Kafka-based architectures
• Experience with microservices, REST/gRPC APIs, and data processing pipelines
• Strong problem-solving skills, code quality discipline, and attention to scalability and performance
• Written and spoken English proficiency
• Experience with AI or LLM-driven products — an advantage

Client

Our client is a fintech company that provides institutional investors with access to digital asset markets through a regulated and reliable trading platform. It offers tools for algorithmic execution, OTC trading, direct market access, lending, custody, and risk management. By combining advanced technology with professional support they help institutions trade and manage digital assets efficiently and securely.

Position overview

We’re looking for a Quantitative Developer with a strong mix of analytical and programming skills. The role involves developing and optimizing trading systems, working closely with quantitative researchers and developers to deliver robust, data-driven solutions.

Responsibilities

• Design and maintain mathematical and statistical financial models.
• Develop algorithmic trading tools and infrastructure.
• Deliver solutions in Java and Python (main languages).
• Use SQL for data handling and analysis.
• Collaborate with quantitative teams to implement and refine trading strategies.
• Ensure code quality through testing, debugging, and performance tuning.

Requirements

• 3–5+ years of experience in quantitative development.
• Strong skills in Java or Python (must be open to working with Java).
• Good knowledge of SQL and relational databases.
• Quantitative, statistical, or math-oriented background (e.g., statistics, applied math, engineering).
• Understanding of financial markets and quantitative trading concepts.

Nice to have

• Knowledge of derivatives instruments pricing and modeling.
• Experience with crypto, real-time data, or machine learning.
• Familiarity with Git and modern development workflows

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

Requirements:
4+ years of experience in software development;
Strong understanding of product development, CI/CD, testing and process improvement methodologies;
Strong written and verbal communication skills;
High degree of independence and self-organization;
Experience with client-server integrations, multithreading and highload system design;
Solid knowledge of Object-Oriented Programming, MVC and other design principles;
Experience with UML;
Knowledge about writing unit tests (JUnit or another frameworks);
Experience with microservices architecture, best practices and patterns;
Experience with cloud infrastructure and cloud native applications;
Experience with SaaS applications and multi-tenant architecture;
Experience in Fintech projects (Payment gateways development / Banking systems / Integration payment providers (like Apple Pay, Google Pay and etc.).

Must be expert at:
- Java;
- Spring frameworks (Boot 3, Security, Web, Data, Cache, Cloud);
- ORM (Hibernate);
- Mockito, Docker, Kafka / RabbitMQ, Redis, Flyway;
- RDBMS (Postgresql), SQL;
- WebSockets, HTTP(s), Restful Web Services, JUnit 5.

Must be familiar with:
- Kubernetes;
- ElasticSearch;
- API Gateway;
- Keycloak / Auth0.

Responsibilities:
SaaS application development and design architecture from scratch;
Develop complete implementation packages to enable replication of production designs (Schematics, block, diagrams, database information, and related documents);
Designing, developing, and testing software and systems;
Working with stakeholders, analysts, other engineers, and engineering teams to define and deliver software and systems requirements.

TJHelpers is committed to developing strong engineering teams through mentorship, real project experience, and our “Helpers as a Service” model. We provide structured growth, hands-on practice, and a supportive environment where engineers can evolve quickly and meaningfully.

We are looking for a Java Developer to join our backend team and contribute to building scalable, high-performance, and reliable microservices for modern products across fintech, AI, telecom, healthcare, and other high-load domains.

Responsibilities

• Design, develop, and maintain scalable backend microservices and APIs.
• Write clean, efficient, and well-tested code using Java (17/21) and Spring Boot.
• Work with event-driven architectures using tools like Kafka or RabbitMQ.
• Integrate with internal and external REST/GraphQL services.
• Collaborate closely with DevOps, QA, and product teams to deliver high-quality features.
• Participate in code reviews and help establish engineering best practices.
• Optimize backend systems for performance, reliability, and cost efficiency.

• Investigate and resolve production issues, contributing to CI/CD and observability improvements.

   

Requirements

• Strong knowledge of Java and hands-on experience with Spring Boot / Spring Cloud.
• Experience building REST APIs, microservices, and integrations.
• Solid understanding of relational databases (PostgreSQL/MySQL) and ORM frameworks (Hibernate/JPA).
• Familiarity with Docker, containerization, and CI/CD pipelines.
• Knowledge of software architecture principles: microservices, event-driven systems, clean architecture.
• Experience with Git, unit testing (JUnit), and debugging/profiling tools.

• Good problem-solving skills and ability to work in a fast-paced environment.

   

Nice to Have

• Experience with cloud platforms (AWS, GCP, Azure).
• Knowledge of Kafka, Redis, Elasticsearch, or GraphQL.
• Experience with Kubernetes, Helm, or Terraform.
• Understanding of caching strategies, messaging patterns, and high-load system design.
• Experience with performance tuning, monitoring (Prometheus/Grafana), and observability tools (ELK).

• Familiarity with ML/AI integrations or data pipelines.

   

We Offer

• Real-world projects in fintech, AI, telecom, and automation industries.
• Mentorship from senior engineers, tech leads, and architects.
• Personal development plan and a clear path toward Senior Java Engineer or Backend Architect roles.
• Access to internal workshops, best practices, and structured feedback.
• A collaborative engineering culture focused on transparency and continuous improvement.
• Long-term projects, flexible schedule, and a remote-friendly work environment.

Panenco is a boutique software studio in Belgium and Ukraine. We build next-gen B2B SaaS products and enterprise AI solutions, always with an entrepreneurial spirit. We're a small team of the best and brightest, looking for 10x people who love to tackle challenging problems. We give you significant ownership and room to grow, expecting you to take charge and continuously evolve with the latest and greatest in our industry.
 

About the role

In this role, you will be working in dedicated long-term involvement as a full-stack software engineer (focus on back-end development in Java) on a SaaS product in the event management space for European enterprises.
We love self-learners with an entrepreneurial itch and people who are actively working on side projects — we actively encourage taking initiative and driving innovation from within. We don't expect any 1 individual to tick all of the boxes below, nor do we expect an explicit number of years of experience. We do expect you to be curious and learn fast. 
 

Technical knowhow

We expect all software engineers in our team to take on a broad set of responsibilities, always acting in the interest of the product rather than simply sticking to the boundaries of any specific domain.
 

Core knowledge and abilities:

•Infrastructure: hands-on experience with AWS, grasping serverless principles and practices

•AI development: hands-on experience building AI-powered applications using frameworks like LangGraph, AI SDK, or similar tools, and working with LLM providers (OpenAI, Anthropic, etc.)

•Architecture: ability to contribute to designing cloud diagrams and weighing the pros and cons of key decisions

•Programming frameworks: deep knowledge of Java and/or at least one of the following: JS/TS (Node), Python (Django), .NET, PHP (Symfony), REST

•Databases: extensive SQL experience and core understanding of various database types and their limitations

•Data modelling: turning defined business logic into comprehensible data structures

•CI/CD pipelines: setting up and managing deployment pipelines
 

Non-functionals:

•Automated testing: test-driven development using unit and integration tests as well as end-to-end tests

•Monitoring: error and performance monitoring with Sentry or similar services

•Stress testing: testing APIs and entire systems with heavy-load scenarios

•Security: you're aware of best practices to safeguard information security
 

Additional:

•Language: solid reading and speaking skills in English required

•Thought leadership: you love to share your learnings with your peers

•Front-end: you know your way around a modern front-end application

•Information security: a basic understanding of security standards

Locations

We're flexible with regards to remote work, but we do expect you to live in Kyiv and come to our offices sporadically for team cohesion:

•Kyiv, Ukraine (123 Peremogy Avenue, office number 520)
 

We offer

We offer a friendly, dynamic and inspirational working environment with a team that wants to move fast. You’ll have the ability to work with the best and brightest in our industry, always aiming for the highest possible quality bar. A fair compensation, office snacks and fun afterwork drinks are included of course! 
 

The interview process

The interview process is short (but thorough) and will consist of 4 steps:

•Intro conversation (videocall): 20min conversation to validate your fit with the position and align on the approach for the technical interview

•Technical interview (on-site): you present a personal project or one of your prior involvements from end to end, with our team asking targeted questions

•Feedback (written/videocall): you will receive feedback about the technical conversation either in written form or through a call

•Contractual alignment (videocall): our operations manager will walk you through our overall compensation package and practical arrangement

About company:

Mobius Software is a leading provider of innovative telecommunications solutions, serving over 100 clients globally across the USA, Europe, Latin America, and Africa.  

We are committed to developing easy, reliable, and scalable solutions for Mobile Network Operators (MNOs), Enterprises and other players in the telecom market, ensuring cutting-edge performance and reliability.

Description:

We are looking for junior java developer with self-learning capabilities.
Knowledge in networking , TCP/IP including TCP , UDP and other protocols operation, headers and functionality big plus
Experience in core mobile network operation big plus

Key Responsibilities:

Develop front end (Java server faces ) 
Develop back end ( Java/Jakarta EE based , highly scalable reliable code for high load ) 
Work in Telecom domain
Provide support for biggest Telco worldwide