TJHelpers Ukraine

TJHelpers is committed to building a new generation of data specialists by combining mentorship, practical experience, and structured development through our “Helpers as a Service” model.

We’re looking for a Senior Data Engineer to join our growing data team and help design, build, and optimize scalable data pipelines and infrastructure. You will work with cross-functional teams to ensure high-quality, reliable, and efficient data solutions that empower analytics, AI models, and business decision-making.
 

Responsibilities

• Design, implement, and maintain robust ETL/ELT pipelines for structured and unstructured data.
• Build scalable data architectures using modern tools and cloud platforms (e.g., AWS, GCP, Azure).
• Collaborate with data analysts, scientists, and engineers to deliver reliable data solutions.
• Ensure data quality, lineage, and observability across all pipelines.
• Optimize performance, scalability, and cost efficiency of data systems.
• Mentor junior engineers and contribute to establishing best practices.
   

Requirements

• Strong proficiency in one or more programming languages for data engineering: Python, Java, Scala, or SQL.
• Solid understanding of data modeling, warehousing, and distributed systems.
• Experience with modern data frameworks (e.g., Apache Spark, Flink, Kafka, Airflow, dbt).
• Familiarity with relational and NoSQL databases.
• Good understanding of CI/CD, DevOps practices, and agile workflows.
• Strong problem-solving skills and ability to work in cross-functional teams.
   

Nice to Have

• Experience with cloud data services (e.g., BigQuery, Snowflake, Redshift, Databricks).
• Knowledge of containerization and orchestration (Docker, Kubernetes).
• Exposure to data governance, security, and compliance frameworks.
• Familiarity with ML/AI pipelines and MLOps practices.
   

We Offer

• Mentorship and collaboration with senior data architects and engineers.
• Hands-on experience in designing and scaling data platforms.
• Personal learning plan, internal workshops, and peer reviews.
• Projects with real clients across fintech, healthcare, and AI-driven industries.
• Clear growth path toward Lead Data Engineer and Data Architect roles.

TJHelpers continues to grow creative talent through mentorship, real project experience, and structured development within our “Helpers as a Service” model.

We’re looking for a Junior Web Designer with a strong interest in modern web design and hands-on skills in Webflow. This role is perfect for someone who wants to grow quickly through real client work, expert guidance, and practical challenges in a supportive environment.

Responsibilities

• Create responsive, visually engaging landing pages and websites using Webflow.
• Design UI components, layouts, and interactions that align with brand guidelines.
• Collaborate with marketers, product teams, and developers to deliver high-quality web experiences.
• Prepare design assets (icons, illustrations, banners, imagery) for web use.
• Assist in improving existing websites: layout refinements, animations, visual consistency, SEO-friendly structure.
• Support A/B testing experiments and landing page optimization.

• Participate in design reviews, follow feedback, and grow through mentorship.

   

Requirements

• Basic knowledge of Webflow: layouts, collections (CMS), animations, components.
• Understanding of modern web/UI principles: spacing, typography, colors, grids.
• Skills in Figma or similar tools for UI/UX design.
• Ability to translate design concepts into clean Webflow pages.
• Attention to detail, willingness to learn, and ability to work with feedback.

• Basic understanding of responsive design and accessibility.

   

Nice to Have

• Experience creating simple animations (Lottie, Webflow interactions).
• Knowledge of HTML/CSS fundamentals.
• Skills in basic graphic editing (Photoshop/Illustrator).
• Understanding of UX flows and wireframing.

• Portfolio with completed Webflow or Figma projects (even study/pet projects).

   

We Offer

• Mentorship from senior designers and front-end specialists.
• Real commercial projects in fintech, AI platforms, e-commerce, and tech startups.
• Personal growth plan and regular feedback sessions.
• Access to internal training materials, workshops, and best practices.
• A clear development path toward Middle Web Designer and Webflow Expert roles.
• Friendly and supportive environment where each idea matters.

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.