Jobs Java

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.

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 in our Odesa office, located in the Primorskyi District.

You will 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.

🚀 Project Description

From the engineering side, this role is focused on Backend + Infrastructure / DevOps as secondary skillset, with strong ownership over the technical foundation of the features.
 

✅ You are:
 

• Have practical experience from commercial projects, pet projects, hackathons, or open-source contributions
• Confident with Java, with readiness to work close to ML workloads and model-serving pipelines
• Comfortable building backend services and REST APIs
• Understand System design, asynchronous processing, and service integration
• Have experience with Docker and deploying services in cloud environments
• Understand how to build and maintain CI/CD pipelines
• Have hands-on experience with AWS or similar cloud platforms
• Are comfortable working with PostgreSQL
• Understand logging, monitoring, environment setup, and deployment workflows
   

➕ Will be a plus:
 

• Experience with MLOps or model-serving infrastructure
• Experience deploying ML models for inference on CPU
• Familiarity with Python, FastAPI, Spring Boot, or similar backend frameworks
• Experience with AWS services or similar
• Understanding of job queues, background workers, and long-running processing workflows
• Familiarity with infrastructure-as-code tools such as Terraform or similar
• Comfortable working with AI platforms and developer tools such as Cursor, Claude Code, or Codex
   

♟️ What We Expect from You:
 

• Use modern AI tools, frameworks, and approaches to work faster and more effectively
• Make practical decisions that help us launch faster without unnecessary overengineering
• Proactively identify bottlenecks, propose solutions, and help shape technical decisions
• Be comfortable working in an evolving product with changing priorities and early-stage ambiguity
   

🔑 Responsibilities:
 

• Implement and enhance backend services 
• Actively collaborate with the team lead and team
• Maintain the initial cloud environment for development, testing, and production
• Build and support processing pipelines for model execution and result delivery
• Configure logging, monitoring, and basic operational observability
• Ensure the system is reliable, maintainable, and easy to extend
• Utilize AI to review pull requests and contribute to engineering best practices
   

🍩 What we offer:
 

• Opportunity to work on an innovative product in the medical-tech domain
• High ownership and direct impact on product architecture
• Flexible work hours within the European time zone
• A fast-moving environment where strong engineers can influence product and technical decisions
• Paid 200$+ AI assistants and modern engineering tooling
• Professional development support, latest courses and certifications
• 20 business days of vacation
• 5 sick leave days
• National holidays covered
   

🗣 Recruitment process:
 

✔️ Technical Task → ☑️ AI Live Coding Task → ✅ Cultural-Fit Interview → 🏁 Offer

Шукаємо Java початківців — майбутніх гуру Web & Enterprise backend Java development!

Ми — команда професіоналів, для нас створювати якісні ФінТех рішення які розробляються, тестуються та випускаються українською командою спеціалістів та експертів — є пріоритет №1.

Ми запускаємо повноцінну програму навчання майбутніх Java Developers. Ми віримо, що талановиті новачки можуть стати справжніми професіоналами за правильного підходу до навчання. Якщо ти мрієш стати впевненим Java Developer і працювати в команді майстрів своєї справи — долучайся до нас. Формат повністю віддалений — проходь стажування з будь-якої точки України.

Що ми пропонуємо:

🟢Безкоштовне стажування до результату за напрямком Java Development;

🟢Працевлаштування після успішного завершення інтернатури;

🟢Повне занурення у професію зі старту;

🟢Підтримку менторів на всьому шляху;

🟢Регулярний фідбек і індивідуальне корегування плану;

🟢Програму стажування індивідуально підлаштовувану під рівень знань;

🟢Практику з проектами і задачами аналогічними до комерційних у віртуальній лабораторії компанії;

🟢Вирішення учбових задач реального рівня складності;

🟢Багато цікавої теорії та практики;

🟢Робота в команді за Scrum/Agile підходами;

🟢Гнучкий графік і повністю дистанційний формат який можна поєднувати з навчання в університеті .

Що потрібно від тебе:

🟠Знати синтаксис Java, прості управляючі конструкції, основи ООП і OOD;

🟠Практичний досвід колекціями та стрімами у Java;

🟠Використання реляційних БД і SQL-запитів;

🟠Практичне застосування алгоритмів та структур даних;

🟠Знання англ. мови на рівні В1+;

🟠Велике бажання розвиватися.

Ти стовідсотково наш кандидат, якщо:

• Постійно цікавишся новітніми технологіями розробки на платформі Java;
• Маєш сильне бажання розвиватися як full-stack чи backend розробник;
• Не боїшся нових викликів та цікавих важких задач;
• Маєш аналітичний майндсет та вміння мислити нестандартно;
• Вмієш організовувати свій час, самостійно шукати інформацію та працювати на результат;
• Маєш англійську для читання документації і базові знання з computer science.

Як усе працює:

Термін: визначається індивідуально;

Формат: онлайн з будь якої точки України;

🔵Курс для початківців (опціонально);

🔵Курс backend розробки мікросервісів на Java; Spring, etc.;

🔵Стажування на учбових проектах;

🔵Регулярні фідбек-сесії з твоїм ментором;

🔵Працевлаштування на комерційні проекти.
 

Програма стажування включає в себе наступні теми, але не обмежується ними:

• Поглиблене вивчення Java;
• Робота з Git та командним рядком;
• Базові принципи навчального процесу;
• Ключові концепції Java Core;
• Основи запитів SQL та баз даних;
• ORM з використанням Hibernate;
• Принципи роботи вебу;
• Створення вебзастосунків з Spring Boot;
• Багатопоточність у Java;
• Алгоритми та структури даних на практиці;
   

Як приєднатися до нас?

🟡Надіслати нам CV;

🟡Пройти pre-screening інтерв’ю з рекрутером;

🟡Виконати типове тестове завдання;

🟡Пройти фінальне інтерв’ю з технічним експертом.

Ласкаво просимо до команди!

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!