Jobs

UAPP team needs a Backend Developer 

Requirements:

• experience for web applications;
• experience in Java;
• excellent skills in OOP;
• Springboot (IOC, MVC, Security);
• knowledge of SQL and JPA / Hibernate;
• experience in developing REST APIs;
• basic knowledge of algorithms;
• strong abilities to learn new technologies.

Will be a plus:

• experience in Kotlin;
• experience in integration with third-party services via API, SDK.

We offer:

• career and professional growth;
• decent salary;
• interesting projects in a professional team;
• trainings, seminars, meetings and conferences at company expense;
• pleasant and friendly working atmosphere.

UAPP is an IT company, established in 2018. We provide a full range of software development services, websites and mobile applications. Consulting, design, development, implementation, support and marketing — we do everything to achieve our clients’ business goals.

Our company's key to success is a team of professionals and like-minded people with solid practical experience in the field of project implementation for businesses and their own projects.

We offer services that are designed to take a client’s business to a new level and do everything to provide quality, innovation and creativity using the latest technology solutions.

Our team specializes in programming languages such as Java, PHP, JavaScript, Swift, Kotlin.

Required skills:

• 3+ years of experience in Java 11;

• Good verbal and writing English language communication skills;

• Deep practical experience with Spring Boot and GitLab;

• Practical experience with Kubernetes for different environments;

• Knowledge of different communication protocols (REST, gRPC, events, messaging);

• Understanding of CI/CD practices and types of quality gates;

• Hands-on experience with third-party integrations (fintech industry), especially with payment providers and gateways;

• Taking the full responsibility for the results of own work;

• Knowledge of Docker and AWS.

Will be a plus:

API design and documentation skills;

Knowledge of Redis and Oracle APEX.

Responsibilities:

• Payment provider integrations and product improvements according to the company strategy;

• Develop, deploy, and support Spring Boot-based services;

• Deploy and configure the system on various environments in the Kubernetes cluster;

• Ensure system performance in production environments;

• Develop architecture and system design;

• Improve teamwork;

• Implement ideas from Product Backlog into a reliable working product.

Working conditions:

• Work schedule 5/2 from 10-00 to 19-00;

• Remote work;

• We provide all the necessary tools for your successful and comfortable work;

• Training at the expense of the company (courses, seminars, new and interesting projects);

• Learning English at the expense of the company;

• Regular team building at the expense of the company;

• Ability to switch between projects and try yourself in different roles.

WorldTicket is currently looking for an experienced, innovative, and detail-oriented Team Lead to be based in our Kyiv office (you may work remotely).

 

We are a product company with global team and a global customer base, constantly improving existing services and growing our expertise.

Our ideal candidate is passionate and hands-on team leader, mentor, responsible for 5+ engineers, Able to create an impact on the design and development of products, endsoring Agile thinking and following scrum processes to ensure team productivity and fast time to market.

Key functions and responsibilities include:

• Take full ownership of your work from the initial design phase through to production
• Design detail technical solutions using best available technology
• The individual must demonstrate detailed understanding of the software lifecycle process and have worked in an Agile environment
• Establish team goals and milestones
• Develop reusable, stateless and styles components
• Experienced in designing and building multi-tenant, scalable micro services system 
• Capable to design and implement Java-based backend services using a current technology stack and adhering to DDD,  Clean Code and SOLID Principles in Object Oriented Programming
• Creative thinker with excellent communication skills
• Self-learner, strong can-do attitude and great interpersonal skills.

Knowledge, Skills, and Experience

• At least 2 years experience leading the team
• At least 5 years Java development experience
• Experience with AWS and K8S is an advantage
• Familiar with CI/CD tools
• Algorithms and Data Structure knowledge
• Experience working with GraphQL, Rest, Spring, Kafka, Redis, PostgreSQL, MongoDB
• Experience working in containerized environment
• Familiarity with Agile/ Scrum methodology and strong understanding of Agile based SDLC
• Excellent & Fluent English verbal and written communication skills
• Uncompromising 'Can-Do' approach
• Business Understanding: Experience with Aviation / Travel Tech  is a major plus

It would be a plus:

• Experience with Kafka 
• Knowledge of cloud platforms such as AWS, Azure, and related services
• Airline industry experience is a big plus

About Us: InnovatelU is a dynamic tech company delivering cutting-edge solutions. We're looking for a passionate Java Developer to join our team. If you have a solid Java foundation, are eager to grow, and learn quickly, we want to hear from you! 

Requirements: 
- Strong knowledge of Java 
- Knowledge of Spring (Spring Core, Spring AOP, Spring MVC, Spring Security, Spring Boot) 
- Familiarity with REST APIs, web services 
- Proficiency in version control tools (Git) 
- Experience with build tools like Maven and Gradle 
- Experience with relational databases (PostgreSQL) 
- Expertise in containerization (Docker) 

- Experience in unit and integration testing 
- Strong communication skills and teamwork ability 
- English level: Intermediate or higher 

Will Be a Plus: 

- Solid understanding of design patterns 

- Experience with NoSQL databases like MongoDB and Redis 

- Familiarity with messaging systems like Kafka and RabbitMQ 

- Experience with microservices architecture 

Responsibilities: 

- Collaborate with senior developers and project managers 

- Assist in designing, coding, and testing applications 

- Write well-designed, efficient, and testable code 

- Participate in code reviews 

- Debug and resolve technical issues 

- Contribute to application documentation 

Interview Stages: 

1. Test Task: 1 hour 

2. HR Interview: 30 minutes 

3. Technical Interview: 1 hour 

We Offer: 

- Full Remote 

- Constant support and mentoring 

- Paid 5 working days of sickness per a year; 

- Paid all official Ukrainian holidays; 

- 18 working days of vacation per a year; 

- Opportunity for professional growth and career development 

If this sounds interesting to you, let's talk!

📲 For short-term project Junior Java Developer is needed. Your main task would be modernization of old SQL to Spring Data JPA. You will work with VDI on Windows. Experience with MongoDb is preferred.  

👨‍💻 We value transparency and straightforwardness: project is not the easiest at the start, but when you do several tasks you'll understand more and it would be much more easy to complete tasks, it would take less time. Apply only if you are ready to take the challenge.

Requirements:

• Strong Java Core knowledge
• Experience using SQL
• Spring and JPA

Will be a plus:

• MongoDB
• Other Spring modules
   

📍Remote

 

Since 2013, Duanex has been building bespoke software for international companies and startups — from mobile apps to complex cloud solutions. Our clients span health & fintech, digital banking, and large insurance organizations. We follow Agile best practices, and automated testing is a core part of our delivery.

We are looking for a Senior Java Developer to become a part of our team. Big landscape with different projects, an international team.

What you’ll do:

• Build new services and extend existing enterprise solutions
• Modernize legacy codebases, including JavaEE → Spring migrations
• Design and implement REST APIs and integrations with internal/external systems
• Keep quality high: tests, code reviews, clean architecture, SOLID
• Collaborate closely with developers, analysts, and DevOps; be proactive in proposing solutions

Technical skills:

• Problem Analysis, Problem-Solving and Reasoning
• 4+ years of experience in Java
• Strong Java core knowledge
• Spring / JavaEE
• JPA
• DevOps and CI/CD Pipelines (understanding, not implementation)
• Strong knowledge of SOLID, design patterns and algorithms
• Good English skills

Would be a plus:

• Software design and architecture experience
• SQL
• Spring Data, Boot
• React / Angular
• Docker
• Jenkins
• RabbitMQ or other message brokers
• Apache Camel

Work format & perks:

• Remote-friendly; optional office in Kyiv
• Flexible schedule
• 20 paid vacation days + 10 paid sick days
• Accounting support 

Hiring process: Recruiter interview → Technical interview → Client interview

We, the American company Plexsupply, Inc. which is one of the top 200 largest sellers on Amazon, are looking for the best Java developer (Middle). The company has been engaged in online sales in the US market for 18 years and develops a unique accounting and data processing system for its own use.
 

What we expect from you:

• At least 3 years of experience as a Java developer. 
• Experience in commercial projects is required.
• Knowledge of Java 17, Hibernate, JPA, Spring, Stripes, JSTL, JSP, XML, MySQL, Quartz, Tomcat, sockets, JSON, JUnit, multithreading, data-mining, JIRA.
• Idea development environment.
• CVS - Git, Bitbucket
• Linux - basic skills.
• HTML, JS, CSS, jQuery, AJAX - basic level is enough.
• Willingness to work with a time tracker
• English language level B1 or higher.
   

Your responsibilities:

• Writing code and tests for it.
• Integration of the server with third-party APIs (XML, JSON, EDI), client-server.
• Improvement of the existing system for integrating various APIs.
• Working with files and data and their processing.
• You need to quickly understand other people's code.
• Experience in building projects and application architecture is welcome.
   

The company offers:

• Remote work format
• Work schedule: M-F from 16:00-01:00 (Kyiv) as the head office is located in New Jersey USA
• Salary in USD: $1100-$1500 based on the results of the interview
• Paid holiday 20 days per year
• Loyal management interested in your development
• Mentoring by an experienced Team Leader.
• Opportunity to work in an international company.
   

If you are interested in the vacancy and the opportunity to develop in an international company with cool specialists and people, I am waiting for your CV with the level of expected salary!

Please note that we consider only candidates who are located in Ukraine.

Responsibilities:
 

• Work in SCRUM team
• Design and develop high-load microservices
• Write high-quality code covered with different levels of tests
• Maintain services on production and assure their stability and performance
• Provide code review for teammates
• Contribute to the Company’s development processes and practices
   

Requirements:
 

• Writing code in a clean and maintainable manner.
• Solid experience with Java 8+
• Experience with SQL/NoSQL databases
• Understand microservice architecture patterns.
• Good at Spring framework.
• Experience with REST, messaging systems.
• Ability to cover code by different types of tests.
• Understanding of SOLID principles
• Experience with Git
• Excellent troubleshooting skills.
• Good communication skills.
• Intermediate+ English
   

Would be great to have:
 

• Experience with Kafka, MySQL, Redis, Aerospike.
• Experience with Spring Boot, Spring Cloud
• Experience with Docker, Kubernetes
• Experience in high-load
   

What we offer:
 

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social and welfare packages;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place

We are looking for a candidate for the position of Middle Java Developer to join a project with a Ukrainian telecom operator.

Requirements:

— At least 2 year of commercial experience in Java

— Strong knowledge of OOP, Design patterns

— Solid knowledge of Java Core (Java 17), including memory model, collections, streams, generics, multithreading

— Spring framework (Boot, Web, Data, Security), including Async

— REST API

— ORM Hibernate

— SQL (MariaDB, Oracle)

— Maven, Gradle

— Team player with good communication skills

— Technical English

— Higher technical education

Would be a plus:

— Experience with Docker

— Basic Linux and Bash

— Profiling tools, thread dumps, understanding thread states

— Experience with Mockito, JUnit, Mockservers, Testcontainers (mock vs spy)

— Kafka

— CI/CD (Git, Gitlab, Artifactory)

— Jira and Confluence

— Understanding of idempotency in APIs

Job Responsibilities:

— Development and support of microservices

— Writing unit tests

— Troubleshooting using logs, dumps, and profilers

The full production cycle IT company specializes in the development of software products/services in the field of information technologies. The company’s team is working on creating a Digital Assets Trading Infrastructure that allows companies and traders to interact in the cryptocurrency market.

We are looking for a Middle Java Developer to join our team. You will help build a scalable realtime platform using Java, Spring Boot, and modern messaging technologies.

Responsibilities:

• Design, develop, and maintain non-critical microservices;
• Work with real-time public data streams for exchange operations;
• Build and optimize a notification management system;Implement robust and maintainable Spring Boot/Hibernate/REST API services;
• Ensure efficient message broker integration (Kafka, RabbitMQ);
• Optimize SQL-based data access and service performance;
• Continuously improve system performance, codebase maintainability, and development processes.

Requirements:

• 4+ years of experience in software development;
• Proficiency in Java 18+ and modern Java features;
• Hands-on experience with relational databases and SQL, particularly PostgreSQL;
• Hands-on experience with message brokers (Kafka, RabbitMQ);
• Knowledge of Spring Boot, Hibernate, REST APIs;
• Knowledge of computer science fundamentals (algorithms, data structures).

Would be a plus:

• Experience with streaming technologies (Apache Flink, Hazelcast Jet).
• Experience with AWS Cloud services.

What will you do in the first 90 days?

• Implement Exchange Public Data Realtime Stream Processing
• Develop a Notification Management System

Company offers

• ‍Care from Day One — medical insurance immediately upon starting work, including dental care, massage and professional psychological support because your well-being matters
• Work-Life Balance — 24 days of paid vacation + 30 days of sick leave, so you can recover without unnecessary stress
• Investment in your energy — partial reimbursement for any sports activities that empowers you.
• Growth — partial coverage for English or Ukrainian language courses + a fixed budget for professional development. Choose what suits you best!
• Knowledge Library — books in the office and access to the Kuka online library to learn, grow, and find inspiration.
• Island Relaxation 14 days a year — enjoy a getaway at the corporate villa in Cyprus.

Join the Pine Software team, where your talents and aspirations will be recognized! We offer a dynamic work environment, opportunities for professional growth, and support at every step of your career path. Start your journey to success with us—apply today and take the first step towards your bright future!

Pine Software is an equal opportunity employer. We encourage applications from candidates of all backgrounds and experiences. Please note, that only shortlisted candidates will be contacted. Thank you for considering Pine Software as your next career move!

Responsibilities:

• Work in SCRUM team 
• Design and develop high-load microservices
• Write high-quality code covered with different levels of tests
• Maintain services on production and assure their stability and performance
• Provide code review for teammates 
• Contribute to the Company’s development processes and practices 

Requirements:

• Writing code in a clean and maintainable manner
• Solid experience with Java 8+ 
• Experience with SQL/NoSQL databases
• Understand microservice architecture patterns
• Good at Spring framework
• Experience with Kafka, MySQL, Redis, Aerospike
• Experience with REST, messaging systems
• Ability to cover code by different types of tests
• Understanding of SOLID principles
• Experience with Git 
• Excellent troubleshooting skills
• Good communication skills
• Intermediate+ English

Would be great to have:

• Experience with Spring Boot, Spring Cloud
• Experience with Docker, Kubernetes
• Experience in high-load

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social and welfare packages;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

About Wix

Wix makes it possible for anyone to succeed online. Since 2006, we’ve grown to around 5,300 employees in 22 countries, launched over 40 products, and serve over 282 million users and their visitors worldwide. At Wix, we push you to innovate, evolve in non-traditional ways, and collaborate. We operate in small teams that work closely together at a high level. 

Although we’re already industry leaders in web creation and business, our work is nowhere near done. Our goal is to become the main engine of the Internet so we can create a more open web for all.

We're proud to be an equal opportunity employer. Wix was built around the idea that everyone has the right to be successful, online. This same vision defines us as a company: creating a work environment where everyone is welcome, and anyone has the right to succeed.

Job Description

As a Senior Server Engineer, you'll design, develop, and optimize scalable server solutions, collaborate with cross-functional teams, and implement cutting-edge AI methodologies to enhance customer care products. In your day-to-day, you will: 

• Conduct research and experiments to explore innovative AI methodologies and incorporate cutting-edge models into customer care products
• Take responsibility for the entire lifecycle of feature developments, from initial discussions with product teams, defining requirements and providing estimates, to actual coding in collaboration with the team, monitoring performance and delivering robust solutions to end-users
• Optimize system performance, reliability, and stability, ensuring our service remains seamless and accessible 24/7
• Participate in technical discussions to improve existing architecture and developer experience
• Collaborate extensively with Business Analysts, Data, Product, and Platform teams, utilizing a data-driven approach to solve ambiguous user problems and ensure the server infrastructure optimally supports product features and user experience

Requirements

• 5+ years of experience as a Server Engineer
• Experience in designing and maintaining highly scalable, loosely coupled server solutions, following best practices and standards
• Proven experience leading technical discussions, conducting design reviews, and collaborating effectively with cross-functional teams to drive architectural decisions and resolve complex engineering challenges
• Experience with Vespa or similar large-scale search and ranking engines (e.g., Elasticsearch, Solr, Weaviate) for real-time data retrieval, vector search, or personalized content delivery
• Proficiency with Large Language Models, including prompt engineering, fine-tuning, automatic evaluation, and Retrieval-Augmented Generation (RAG) – an advantage
• Passion for product development and understanding of business objectives and goals
• Advanced English proficiency

About the Team

We are Wix's Backend Engineering Guild. We provide integrated tools for microservice development within Wix to help improve developer productivity and best practices. These tools streamline the development process and reduce cognitive load allowing Wix Engineers to concentrate on their domain, architecture, and business logic. To handle high-scale traffic (over 500B HTTP requests per day) and 500+ daily deployments, our team of 500 Backend Engineers runs production across 19 distributed data centers and cloud vendors worldwide.

Pivdenny Bank is one of the leaders in the Ukrainian financial market and ranks third in the group of Ukrainian private banks in terms of assets. For 31 years, Pivdenny has been a reliable financial partner for individuals, small and medium enterprises, and corporations.

More than 1700 active and dedicated employees work for Pivdenny throughout Ukraine. For four years in a row, the bank has been included in the Forbes 50 Best Employers rating.

We are now looking for a Senior Backend Developer to join our team.

Responsibilities:

• Develop new microservices;
• Participate in the design of microservices and their databases;
• Implement unit and integration tests;
• Develop new features and make updates of existent microservices on a daily-basis;
• Write clean, testable, maintainable code, and continue to grow development skills;
• Perform requirement analysis and features estimation;
• Prepare API documentation of microservices;
• Share knowledge of the project with team members.
   

Requirements:

• BS or MS in Computer Science or related field;
• 5+ years of commercial experience in Java;
• Good understanding of OOP principles, OOP design, and design patterns;
• Good understanding of microservices architectural principles and experience in the development of RESTful applications and microservices;
• Good practical experience with Java 11+, Spring 5+ / Spring Boot 2+ (Data JPA/Hibernate, Security, Cloud), JUnit 5, Mockito, Testcontainers, Kafka / RabbitMQ;
• Experience with Git, Maven, Docker / Docker compose;
• Good knowledge and practical experience with SQL and relational database;
• Responsibility, proactivity, willingness to work in a team.

Would be a plus:

• Experience with Oracle DB;
• Experience with IBM Integration Bus;
• Participation in Fintech projects.

What we offer:

• Health insurance;
• Competitive salary;
• Work in a functional, comfortable office or remotely;
• Corporate psychologist;
• Opportunity for career growth and development;
• Opportunity to take courses and training;
• Opportunity to work in a stable and professional company with a friendly team.

We review resumes within 14 days. If you do not hear from us, it means that we cannot offer you a position at this time, but we have kept your resume in our database. We will contact you when we have a suitable opportunity.

Dripify is a pioneering remote-first IT product company specializing in the development of outreach automation products. We empower businesses by enhancing the efficiency and organization of their hiring, sales, and marketing communication processes. Our innovative solutions redefine the way companies approach outreach, making interactions more effective and seamless.

We are seeking a dedicated Senior Java Engineer to join our team at Dripify, a leading B2B SaaS product company.

Project — dripify.io

Sales automation platform designed for marketers, business owners, and sales teams that allows automating cold-emailing and lead generation on LinkedIn.

Here is some of what you will do:

• Build modular, maintainable backend systems using Java 21+ and Spring Boot (MVC, REST, Security, Data, Messaging).
• Design and integrate performant, concurrent services using REST APIs and asynchronous messaging via SNS/SQS.
• Write tested, reliable code with a strong emphasis on unit and integration testing and CI/CD automation.
• Apply secure coding practices

• Collaborate on architecture and system design, taking full ownership of deliverables from implementation to deployment.

   

Requirements:

• 5+ years of hands-on Java development, with production experience in Java 21+
• Deep practical experience with Spring Boot modules
• Strong understanding of modular architectural principles and backend service decomposition
• Solid knowledge of Java concurrency and multithreaded environments
• Experience working with SQL databases (PostgreSQL preferred)
• Proficiency in RESTful API design and asynchronous messaging using SNS/SQS
• Familiarity with CI/CD pipelines and common quality gates (test coverage, static analysis, security scanning)
• Strong foundation in unit and integration testing
• Competence in Docker, Linux, and system-level debugging
• Understanding of logging and monitoring tools (e.g., ELK, Prometheus, Grafana)
• Commitment to secure development practices, including authentication, authorization, data validation, and least-privilege access

• Working knowledge of AWS services, including IAM, EC2, RDS, S3, CloudWatch, and Secrets Manager

   

Would be a plus:

• Experience with microservices architecture — including service decomposition, data ownership, and inter-service communication patterns
• Kubernetes (EKS or self-managed)
• Infrastructure-as-Code using Terraform
• AWS Certifications (e.g., Developer Associate, Solutions Architect)
• Bachelor’s or Master’s degree in Computer Science or a related field

Here is what we offer:

— 100% remote position, providing flexibility and work-life balance.
— Competitive salary reflecting your skills and expertise.
— 24 days of paid vacation per year to recharge and relax.
— 10 days of paid sick leave.
— Educational opportunities.
— Compensation budget for medical and hobby/sport expenses.
— Generous budget for birthdays and anniversaries.
— Online and offline team events.
— A collaborative and innovative work environment with passionate team members.

Hiring process:
✅Interview with Recruiter (40min) — ✅ Tech interview with Teach Leader (1.5 hour) —  ✅Reference check — ✅Offer

Job Description

- 6+ years coding experience in server-side Java
- Excellent Java Core knowledge (Java 8 or higher, Collections, Exceptions, Concurrency)
- Commercial experience with Spring Framework (Boot, Core, MVC, Data)
- Practice with reactive paradigm (Project Reactor, Spring Webflux, Vert.x) is a huge plus
- Experience with RDBMS (MySQL, PostgreSQL), native SQL, ORMs (Hibernate)
- Experience with NoSQL (Redis, Aerospike)
- Handy using of cloud services (AWS)
- Deep understanding of algorithms and data structures
- Understanding of VCS (Git)
- Leadership experience
- Fluent English verbal and written communication skills

Job Responsibilities

- Be a creative problem-solver who can draw on an array of expertise and technology to design and implement reliable, scalable and maintainable solutions to challenging problems
- Translate business requirements into technical designs and project plans
- Write production-ready code and unit tests that meet both system and business requirements (Java)
- Respond to feature requests, bug reports, performance issues and ad-hoc questions
- Work collaboratively with multiple teams to deliver quality software
- Support operation of services in production
- Perform code reviews and design reviews
- Mentoring and leading team

Department/Project Description

Header Bidding is the bleeding edge of business development both with Magnite and within the industry. The Header Bidding team is responsible for providing new and constantly evolving tools and systems allows Sellers to more easily sell their inventory at higher prices and give Buyers better and more efficient access to audiences and inventory. You will work with both an internal team and a open-source community of developers to provide tools for the industry as a whole to integrated with each other in the most efficient way. The systems built by this team will manage hundreds of billions of requests with the lowest possible cost and highest possible response times.

About The Project:

Founded in 2007, client's pioneering technology created a new model for the advertising industry. Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe enabling them to reach more than 1 billion consumers. Client operates the largest independent Display Advertising Exchange and Supply Side Platform that automates the buying and selling of Display Advertising across all formats (banner, video) on all devices (desktop browsers, mobile devices, billboards). Client auctions over 20 Billion Ads on a daily basis in real time in less than 1/2 of a second each. Client is a publicly traded company (NYSE: RUBI) headquartered in Los Angeles, California, USA.