Jobs at Djinni

Join one of Europe’s fastest-growing certification and audit firms focused on information security, AI governance, and digital resilience.

At BALTUM Bureau, you will work with technology companies, fintechs, SaaS providers, cloud platforms, AI companies, and multinational organisations across Europe, the UK, and North America, delivering internationally recognised ISO certifications and regulatory compliance assessments.

Our organisation is built on a foundation of technical expertise, professional independence, and a commitment to delivering rigorous, high-quality audit services. 

Our areas of expertise include:

Management System Certification - ISO/IEC 27001 (Information Security), ISO 9001 (Quality Management), ISO 22301 (Business Continuity), ISO 42001 (AI Management Systems), ISO 27701 (Privacy Information Management)

Regulatory Compliance Assessments - DORA (Digital Operational Resilience Act), NIS2 Directive, GDPR, EU AI Act

Our clients include:

• SaaS companies
• Cloud service providers
• FinTech & Payment Institutions
• AI Companies
• Healthcare Technology
• Critical Infrastructure
• Enterprise organisations

Requirements:

• 0,5+ years of experience as an Affiliate Manager in iGaming;
• Working with RS, hybrid, CPA models;
• A well-established database of loyal affiliate partners;
• Proficiency in traffic analysis;
• Exceptional communication skills;
• Ability to approach tasks comprehensively and diversely;

• Upper-Intermediate level of Arabic.

   

Responsibilities:

• Actively search and negotiate with potential partners;
• Conduct competitive analysis and apply insights to optimize traffic and affiliate programs;
• Acquire, retain, and activate new affiliates and partnerships;
• Analyze partner-generated traffic for quality;
• Achievement of KPIs on a regular basis;
• Provide technical support to partners and configure all necessary segments that partners may require;
• Maintaining and cultivating strong relationships through regular contact, including meetings, phone calls, and emails, as well as representing our company effectively in professional conferences.

Benefits:

• Flexible Working Environment: Work from our modern Limassol office or remotely from any location
• Annual Loyalty Bonus: Receive a yearly bonus every February as recognition of your dedication
• Professional Growth: Attend global exhibitions and conferences, and improve your skills with company-sponsored English courses
• Performance Reviews: Regular feedback sessions to track progress and discuss career development
• Team Spirit: Participate in teambuilding activities and company-wide celebrations
• Personal Milestones: We celebrate your important life events, from birthdays to professional achievements

Join us for an innovative journey where your expertise shapes our brand’s success. In a collaborative setting with growth opportunities, you’ll lead the evolution. 

Ready to shape the future?

Phenomenon Studio is a boutique product design and development agency founded in 2019. We work with teams who’ve outgrown what they’ve built — from venture-backed startups to established market leaders — and own the work end to end: strategy, design, development, and post-launch.

The team of 70+ senior specialists is based in Europe, with entities in the USA, Estonia, and Switzerland, serving SaaS, fintech, healthcare, and EdTech. Across 120+ launches, clients have raised $500M+. Phenomenon is HIPAA-compliant, Nielsen Norman Group UX certified, and a Webflow Experts partner, holding a 5.0 rating on Clutch — and most clients come back for a second project.

We’re on the lookout for a Product Designer who’s passionate about crafting seamless user experiences and turning ideas into elegant, functional designs.
 

Advantages of the role:

• We often submit our websites to prestigious competitions such as Awwwards, FWA, and CSS Design Awards, giving your work the opportunity to gain recognition and earn industry awards
• We have a design community of more than 20 designers, so you’ll be able to share ideas, get feedback, discuss trends, and grow together with like-minded professionals
• You will have a mentor who will always be there to help

Requirements:

• 3+ years of commercial experience
• Proficiency in modern AI tools in the context of building live demo prototypes/products with Claude Code, Cursor, etc.
• Using AI buddies to make your workflow faster without losing quality
• Proficiency in Figma (tokens, components, variables, auto-layout)
• Systematic problem-solving skills: analysing issues, breaking them down, and finding practical solutions
• Ability to take ownership and drive a project from 0 to 1
• Focus on business metrics and their impact on design decisions
• Experience with UX research and behaviour analysis tools (Hotjar, Amplitude, Google Analytics, etc.)
• Strong team player with a proactive approach
• Upper-intermediate English level

Responsibilities:

• UX/UI design for web and mobile applications (iOS, Android), ensuring seamless user experiences
• User journey optimisation to improve engagement, conversion rates, and overall user satisfaction
• Working with design systems: maintaining, evolving, and implementing scalable and consistent UI components
• Utilising ready-made design frameworks (Shadcn, Radix, MUI, etc.) to enhance design efficiency and consistency
• Creating high-quality visual designs that align with the brand identity and improve usability
• Types of conducting UX research (the scale of which depends on the kind of project), such as testing prototypes if needed for the client
• Cross-functional collaboration: working closely with product managers, developers, and analysts to build an effective, user-friendly product

What we offer:

• Remote work format and flexible schedule
• Autonomy in work, opportunity to build processes, and grow within the company
• Individual development plan and annual performance review
• Workshops and playgrounds for continuous learning
• Compensation for subject-matter training
• Corporate English classes
• Access to IT Loyalty Club
• Accounting support
• 18 working days of annual leave
• 7 working days of sick leave and 7 working days of unpaid leave
• All national public holidays off

Recruitment process: Recruitment interview — Technical interview — Final interview

Who We Are 

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee. 

Requirements:  
- Operational knowledge of modern operating systems and networking; 

- Experience with common cloud services: AWS, GCP, and Azure; 

- Network Security and expertise in network pentesting; 

- Security testing of web applications, web services, mobile apps (hybrid and native), and IT infrastructure; 

- Understanding security certifications (PCI DSS / SOC2); 

- Ability to apply modern Application Security methodologies and frameworks; 

- Ability to use at least one modern programming language; 

- Practical experience with Burp Suite; 

- Experience with IDS, IPS, SIEM configuration; 

- Upper-intermediate English level. 

Responsibilities:  

- Requirements analysis, performing penetration testing and security audit; 

- BE, WEB, cloud and mobile clients testing; 

- Vulnerability reporting and remediation process; 

- Communication with development and project management teams; 

- Prepare security testing reports; 

- Prepare and support internal documentation for the project. 

PAR Retail Offers: 

- Long-term employment; 

- Competitive compensation with regular performance-based salary and career development reviews; 

- Paid vacations and sick leaves; 

- Health insurance program; 

- Flexible working hours; 

- Sponsored company educational program, corporate library; 

- Funny celebrations, team outings, and company events; 

- A unique and friendly environment where everyone can explore and learn new technologies. 

• Our client is a Swiss leader in online trading, serving over 500,000 clients who can trade more than 3 million products through highly performant and secure platforms. In addition to various online trading products, including stocks, bonds, funds, derivative products, and cryptocurrencies, we also offer Forex, Robo-Advisory, and Mortgage solutions.
   
  Since 2012, we have developed innovative and cutting-edge digital solutions that help customers achieve their investment goals. Our solutions are continuously evolving, transitioning into atomic microservices and self-contained systems.
  
  Your mission is to deliver high-quality and human-centered design concepts and collaborate with your team and other stakeholders to provide the best solutions on time.

   

• Responsibilities:

  ○ Identify and realise user personas, user flow, and user journeys
  ○ Produce complete wireframes and prototypes
  ○ Provide intuitive and modern digital interfaces
  ○ Deliver daily UI tasks respecting the timing
  ○ Use & support the current Design System
  ○ Support and propose documentation for components and design patterns
  ○ Demonstrate communication skills and articulate your design decisions to the stakeholders
  ○ Collaborate with other designers to maintain design consistency

   

• Mandatory Skills Description:

  ○ 5+ years of experience in web and UX design, with experience in the finance, banking, or insurance sectors.
  ○ Knowledge of Atomic Design
  ○ Experience with a Design System
  ○ Strong English skills are mandatory for client communication
  ○ Proficiency in Figma, including team libraries, auto layout, component properties, branching, and variables
  ○ Good understanding of user personas and user flows
  ○ Ability to demonstrate a portfolio showcasing UX and UI design work, including the process behind it
  ○ Flexible and client-oriented mindset
  ○ Continuously staying up to date with the latest UX/UI trends
  ○ A team player who enjoys working, interacting, and learning with a remote team of professionals
  ○ Highly organised, autonomous, and detail-oriented

   

• Nice-to-Have Skills Description:

  ○ Knowledge of HTML & CSS & Creative suite is a plus
  ○ UI animation is a plus

   

• Languages:
  • English: B2 Upper Intermediate
  • Ukrainian: C2 Proficient

Langate is an award-winning provider of software development services and technology solutions across three main domains: business, healthcare, and education. We work closely with clients in the United States, develop our own products, and continuously explore new opportunities created by AI and emerging technologies.

Today, our business includes a portfolio of 7–8 established and rapidly developing brands, covering both software outsourcing and product-based directions. As the company continues moving towards greater productization, we are looking for a Head of Marketing who can build effective marketing strategies across multiple brands, lead a multidisciplinary team, and remain actively involved in hands-on execution. We are looking for a proactive marketing leader who can combine strategic thinking, data-driven decision-making, team management, and practical involvement in marketing operations.

 

Requirements:

• Experience in a marketing leadership role, managing a team and driving the overall marketing strategy.
• Strong experience managing multidisciplinary marketing teams, including marketing, PR, SMM, SEO, PCC and lead generation specialists.
• Ability to create, implement, and adjust marketing strategies for several brands, products, or business directions simultaneously.
• Strong data-driven approach to marketing, including experience collecting, analysing, and interpreting marketing and sales data.
• Practical experience defining marketing KPIs, building reporting processes, evaluating funnel performance, and making decisions based on measurable results.
• Experience with marketing analytics, attribution, conversion tracking, experimentation, and performance evaluation tools.
• Strong understanding of inbound marketing, demand generation, lead generation, and customer acquisition.
• Hands-on knowledge of modern SEO practices, website optimisation, content strategy, and basic website configuration.
• Experience working with both product-based and outsourcing or service-based business models.
• Practical experience using AI and LLM-based tools in marketing processes. Ability to build or convert already existing strategies
• Understanding of how AI is changing search, content creation, customer acquisition, brand visibility, marketing operations, and buyer behaviour.
• Proven ability to initiate and run marketing experiments, validate hypotheses, and turn successful ideas into scalable processes.
• Ability to translate new business or product ideas into clear positioning, messaging, promotional materials, and go-to-market activities.
• Willingness to remain involved in operational work when necessary, including campaign execution, website updates, marketing materials, tender-related activities, and other hands-on tasks.
• Strong ownership, independence, and ability to work effectively in a rapidly changing environment.
• English: Upper-Intermediate to Advanced.

Responsibilities:

• Define and drive the overall marketing strategy for Langate and its portfolio of brands and products.
• Develop separate marketing approaches based on each brand’s audience, maturity, business model, and growth objectives.
• Lead, coordinate, and develop the marketing, PR, SMM, SEO, content, and lead generation functions.
• Support the preparation of marketing materials, presentations, proposals, and tender-related documentation.
• Establish clear responsibilities, KPIs, reporting standards, and performance expectations across the marketing team.
• Ensure effective delegation while maintaining sufficient understanding of each marketing direction to evaluate quality and results.
• Build a consistent data-driven decision-making process across all marketing activities.
• Monitor inbound lead generation and ensure that lead flow remains stable across existing business directions.
• Identify opportunities to increase qualified inbound demand, brand awareness, engagement, and conversion.
• Analyse marketing and sales funnels, identify bottlenecks, and propose measurable improvements.
• Develop positioning, messaging, value propositions, and go-to-market approaches for new products and platforms.
• Support the company’s strategic transition towards productization while continuing to develop and reposition the outsourcing direction.
• Introduce and expand the use of AI and automation across marketing workflows.
• Research new AI-related marketing practices, tools, platforms, and changes in customer acquisition behaviour.
• Oversee website development and optimisation from a marketing perspective.
• Work closely with sales and lead generation teams to align messaging, campaigns, target audiences, and qualification criteria.
• Present strategies, results, risks, and recommendations to the CEO and company leadership.
• Maintain a balance between strategic leadership and direct involvement in daily marketing operations.
   

Team: Marketing and sales department
 

Schedule: 5/2, 8-hour working day (40 hr per week).
 

Hiring process: HR interview + Technical interview + PI Tests + Final Interview with the company owner
 

Why Choose Us? What Do We Offer that’s Exceptional?

1. Cutting-Edge Technologies on Real Projects: At Langate, you’ll work with the latest technologies on live projects. We’re a dynamic, fast-growing company, so you’ll find a minimal amount of legacy systems and plenty of opportunities to implement new technologies.
2. Work-Life Balance with Benefits: We value work-life balance and offer paid time off, including vacation days and sick leave. Remote work options and hearty life are part of the package too.
3. Investment in Your Growth: We’re committed to your professional development. You can expect training programs, courses, and opportunities to enhance your English language skills.
4. Team Building and Unity: We know that a happy team is a productive team. That’s why we organize team-building events and group activities to foster strong bonds and a sense of belonging.

When you choose us, you’re choosing a company that values innovation, invests in its employees, and provides a supportive and engaging work environment. Join us in shaping the future of technology!

Need more information? Welcome!

We are looking for a highly skilled Senior QA Automation Engineer (C#) to join our engineering team and drive software quality across enterprise applications. The ideal candidate is an experienced quality engineering professional with a strong background in C# test automation, modern testing frameworks, and software engineering best practices.
In this role, you will work closely with Software Engineers, Solution Architects, Product Owners, Business Analysts, and DevOps teams to ensure quality is embedded throughout the software development lifecycle. You will be responsible for designing and implementing scalable automation solutions, defining testing strategies, and continuously improving engineering practices to deliver reliable, high-quality software.

• Responsibilities:

  • Design, develop, and maintain scalable and reusable test automation frameworks and solutions using C#/.NET.
  • Define and implement test strategies covering UI, API, integration, regression, and end-to-end testing for enterprise applications.
  • Collaborate with cross-functional teams to improve software quality, reliability, and application testability throughout the development lifecycle.
  • Drive automation-first and shift-left testing practices by integrating automated testing into CI/CD pipelines and establishing quality gates.
  • Perform root cause analysis of complex defects and production issues, ensuring timely resolution and continuous quality improvements.
  • Lead test planning, estimation, execution, and reporting while monitoring automation coverage, quality metrics, and release readiness.
  • Mentor QA engineers and champion quality engineering best practices, while evaluating new tools and technologies to improve testing efficiency.

• Mandatory Skills Description:

  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.
  • 8+ years of hands-on experience in QA Automation, Quality Engineering, or Software Development Engineer in Test (SDET) roles.
  • 5+ years of hands-on experience developing test automation solutions using C#/.NET.
  • Proven experience designing, developing, and maintaining enterprise-grade test automation frameworks.
  • Strong experience with Playwright and/or Selenium WebDriver.
  • Hands-on experience with NUnit, xUnit, or MSTest.
  • Strong experience automating UI, API, integration, regression, and end-to-end testing.
  • Strong experience testing REST APIs, including API automation and integration testing.
  • Solid SQL skills and experience validating relational databases.
  • Experience testing distributed, service-oriented, or microservices-based applications.
  • Proven experience integrating automated testing into CI/CD pipelines using Azure DevOps, GitHub Actions, Jenkins, or similar tools.
  • Strong understanding of SDLC, Agile/Scrum methodologies, Git, and modern quality engineering practices.
  • Excellent analytical, troubleshooting, communication, and stakeholder collaboration skills.

Our client is a Swiss leader in online trading, serving over 500,000 clients who can trade more than 3 million products through highly performant and secure platforms. In addition to various online trading products, including stocks, bonds, funds, derivative products, and cryptocurrencies, we also offer Forex, Robo-Advisory, and Mortgage solutions.
 
Since 2012, we have developed innovative and cutting-edge digital solutions that help customers achieve their investment goals. Our solutions are continuously evolving, transitioning into atomic microservices and self-contained systems.

Your mission is to deliver high-quality and human-centered design concepts and collaborate with your team and other stakeholders to provide the best solutions on time.

• Responsibilities:

  ○ Identify and realise user personas, user flow, and user journeys
  ○ Produce complete wireframes and prototypes
  ○ Provide intuitive and modern digital interfaces
  ○ Deliver daily UI tasks respecting the timing
  ○ Use & support the current Design System
  ○ Support and propose documentation for components and design patterns
  ○ Demonstrate communication skills and articulate your design decisions to the stakeholders
  ○ Collaborate with other designers to maintain design consistency

• Mandatory Skills Description:

  ○ 5+ years of experience in web and UX design, with experience in the finance, banking, or insurance sectors.
  ○ Knowledge of Atomic Design
  ○ Experience with a Design System
  ○ Strong English skills are mandatory for client communication
  ○ Proficiency in Figma, including team libraries, auto layout, component properties, branching, and variables
  ○ Good understanding of user personas and user flows
  ○ Ability to demonstrate a portfolio showcasing UX and UI design work, including the process behind it
  ○ Flexible and client-oriented mindset
  ○ Continuously staying up to date with the latest UX/UI trends
  ○ A team player who enjoys working, interacting, and learning with a remote team of professionals
  ○ Highly organised, autonomous, and detail-oriented

Senior DevOps Engineer (Remote)

Masons Group — міжнародна digital-команда, що розвиває власні технологічні продукти та інфраструктуру для high-load систем і роботи з глобальним трафіком.

Шукаємо Senior DevOps Engineer, який допоможе масштабувати інфраструктуру та забезпечувати стабільну роботу платформи під високі навантаження.
 

Формат роботи

• Remote
 

Обов’язки:

• Проєктування та розвиток fault-tolerant інфраструктури в Kubernetes (GKE)
• Масштабування системи: autoscaling, load balancing, resource optimization
• Робота з мікросервісною архітектурою та мережевими взаємодіями
• Налаштування та оптимізація CDN (Cloudflare / CloudFront) для глобальної доставки PWA
• Побудова observability системи: Prometheus, Grafana, logging, tracing, SLO/SLI alerts
• Забезпечення безпеки інфраструктури (IAM, secrets management, DDoS protection, audit)
• Робота з CockroachDB / PostgreSQL: replication, sharding, backups, migrations
• Розвиток та підтримка CI/CD pipeline (GitHub Actions / GitLab CI)
• Автоматизація інфраструктури через Terraform / Ansible
• Використання Temporal для orchestration distributed workflows
• Участь в архітектурних рішеннях та технічній стратегії
• Менторинг junior/middle engineers
 

Tech Stack:

• Linux (Ubuntu), Bash
• Docker, Kubernetes (GKE)
• Nginx, Cloudflare, AWS CloudFront
• CockroachDB / PostgreSQL
• Prometheus, Grafana, Loki, Tempo
• Terraform, Ansible
• GitHub Actions / GitLab CI
• Temporal
• Google Cloud Platform (GKE, IAM, VPC, Cloud Storage)
• AWS / Azure — буде плюсом
 

Вимоги:

• 5+ років комерційного досвіду
• 3+ роки в ролі DevOps / SRE
• Досвід роботи з high-load системами
• Глибока експертиза в Docker та Kubernetes (production clusters, Helm, security, networking)
• Сильне розуміння TCP/IP, DNS, HTTP/2, gRPC, load balancing
• Практичний досвід роботи з GCP (GKE, IAM, VPC)
• Досвід побудови CI/CD та Infrastructure as Code
• Досвід роботи з Temporal або аналогами
• Досвід адміністрування БД та observability systems
 

Буде плюсом:
• CockroachDB у distributed clusters
• Service Mesh (Istio / Linkerd)
• GitOps (ArgoCD / Flux)
• Go / Python
• Сертифікації CKA / CKAD / GCP DevOps
• Досвід роботи з глобальними GEO
• Кейси масштабування та оптимізації інфраструктури з конкретними метриками
 

Що ми очікуємо:

• Системне мислення та вміння проєктувати архітектуру під ріст навантаження
• Проактивність та ownership mindset
• Досвід роботи з critical incidents (DDoS, outages, degradation)
• Вміння аргументовано пояснювати технічні рішення

Ми пропонуємо

• Competitive salary
• Вплив на архітектуру та технічні рішення
• Роботу зі складною high-load інфраструктурою
• Віддалений формат роботи
 

Додатково:

Перед фінальним працевлаштуванням кандидати проходять поліграф, відповідно до внутрішніх процедур безпеки компанії.

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 Senior Java Developer (Technical Consultant) to join our team and help build scalable, high-performance backend systems for fintech, AI, telecommunications, healthcare, and other high-load domains.

This role combines hands-on backend development with participation in architecture design, technical planning, and a consulting-driven approach to building reliable, scalable, and maintainable systems.

Responsibilities

• Design and develop scalable backend services and microservices using Java 17/21, Spring Boot, and Spring Cloud 
• Participate in architecture design, technical planning, and engineering decision-making 
• Build event-driven systems using Kafka or RabbitMQ and develop REST or GraphQL integrations 
• Improve system performance, scalability, reliability, and maintainability 
• Optimize application performance, database interactions, and backend processing flows 
• Collaborate closely with DevOps, QA, product, and engineering teams 
• Participate in code reviews and contribute to engineering best practices 
• Diagnose and resolve issues in production environments 
• Participate in technical discussions with clients and stakeholders when needed 
• Provide technical guidance, architectural recommendations, and mentorship 

Requirements

• Strong commercial experience with Java and Spring Boot/Spring Cloud 
• Strong experience designing and building microservices, REST APIs, and distributed systems 
• Strong understanding of software architecture principles and integration patterns 
• Experience with PostgreSQL or MySQL and Hibernate/JPA 
• Experience with Kafka, RabbitMQ, or other messaging systems 
• Experience optimizing application performance, scalability, and database interactions 
• Experience with Docker and CI/CD pipelines 
• Experience with at least one cloud platform such as AWS, GCP, or Azure 
• Strong debugging, troubleshooting, and problem-solving skills 
• Ownership mindset and responsibility for technical solutions and delivery quality 
• Ability to communicate technical decisions clearly to both technical and non-technical stakeholders 

Nice to Have

• Experience with Redis, Elasticsearch, or GraphQL 
• Knowledge of Kubernetes or Terraform 
• Experience working with high-load systems, caching, and observability tools such as Prometheus, Grafana, or ELK 
• Familiarity with event-driven architecture and asynchronous communication patterns 
• Experience participating in technical consulting, solution design, or system modernization initiatives  

What We Offer

• Work on real-world projects in fintech, AI, telecommunications, healthcare, and other modern domains 
• Opportunity to influence architecture and technical decisions 
• Clear growth path toward Tech Lead or Architect roles 
• Open engineering culture with transparent processes and strong technical collaboration 
• Flexible schedule and fully remote work opportunities

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 Senior Fullstack Developer (Technical Consultant) to join our team and help design, build, and scale modern web products across fintech, AI, telecommunications, healthcare, automation, and other fast-growing domains.

This role is ideal for an engineer who is equally confident working across frontend and backend development, participates in hands-on implementation, and contributes to architecture, technical planning, and consulting-driven engineering decisions.

Responsibilities

• Design, develop, and maintain scalable frontend and backend solutions for modern web applications 
• Build and improve user-facing features, APIs, integrations, and business logic 
• Participate in architecture design, technical planning, and engineering decision-making 
• Develop responsive, maintainable, and scalable frontend applications using modern frameworks and reusable component architecture 
• Build reliable backend services, APIs, and integrations using scalable backend technologies and integration patterns 
• Work with databases, external services, and third-party platforms 
• Collaborate closely with product, design, QA, DevOps, and engineering teams 
• Improve system performance, maintainability, scalability, security, and user experience 
• Participate in and lead code reviews, technical discussions, and engineering best practices initiatives  
• Diagnose and resolve complex issues in products and production environments 
• Transform product requirements into practical technical solutions and architectural decisions 
• Contribute to long-term technical strategy and platform evolution 

Requirements

• Strong commercial experience as a Fullstack Developer with hands-on work across both frontend and backend systems 
• Strong knowledge of modern JavaScript and/or TypeScript 
• Experience with frontend frameworks such as React, Next.js, Vue, or similar technologies 
• Understanding of frontend architecture, state management, and scalable UI patterns 
• Experience developing backend services and APIs using Node.js/TypeScript, Java, .NET, or similar backend technologies 
• Strong understanding of REST APIs, integrations, authentication, and client-server architecture 
• Experience working with relational and/or NoSQL databases 
• Understanding of software architecture principles, component-based design, and maintainable application structure 
• Experience with cloud platforms such as AWS, GCP, or Azure 
• Experience with Docker, testing, debugging, Git, and CI/CD pipelines 
• Ability to work independently, make technical decisions, and clearly communicate trade-offs and architectural choices 
• Strong problem-solving skills with a focus on reliability, maintainability, and production quality 
• English level: B2 or higher 

Nice to Have

• Familiarity with Kubernetes and modern deployment workflows 
• Experience with GraphQL, messaging systems, or event-driven architecture 
• Understanding of frontend performance optimization and modern rendering approaches 
• Understanding of performance optimization, observability, and production support practices 
• Experience with design systems, frontend architecture, or scalable UI platforms 
• Familiarity with AI products, data-intensive systems, or third-party platform integrations 
• Experience participating in technical consulting, solution design, or tech leadership initiatives 

What We Offer

• Work on real-world products across multiple industries and domains 
• Opportunity to participate in technical discovery, architecture, and solution design 
• Collaboration with strong engineers, tech leads, architects, and product teams 
• Clear growth path toward Tech Lead, Solution Architect, or Engineering Lead roles 
• Open engineering culture focused on ownership, transparency, and continuous improvement 
• Long-term projects, flexible schedule, and fully remote work opportunities

We are looking for a Senior Data Engineer to design and build scalable data platforms that process large volumes of data for analytics, reporting, and business-critical applications.

You will work with distributed data processing systems, cloud infrastructure, streaming platforms, and modern data pipelines. We are looking for an engineer who can independently own production solutions and solve complex performance and architecture challenges.

Mandatory Skills

Programming & Data Processing

• Strong Python development skills
• Advanced SQL (complex queries, optimization, execution plans)
• Strong commercial experience with Apache Spark / PySpark
• Experience optimizing Spark jobs (partitioning, shuffle, joins, skew handling)

Data Engineering

• Experience building production-grade ETL / ELT pipelines
• Strong experience with Apache Airflow
• Strong hands-on experience with Apache Kafka
• Understanding of batch and streaming data processing architectures

Infrastructure & Storage

• Experience with relational databases (PostgreSQL, MySQL or similar)
• Data modeling and query optimization
• Hands-on experience with at least one cloud platform (AWS, Azure or GCP)
• Experience working with Docker, Linux, Git, and basic CI/CD pipelines

Desired Skills

• Databricks, Snowflake or similar cloud data platforms
• Kubernetes
• CDC pipelines (Debezium or similar)
• Modern analytical/storage systems (ClickHouse, Trino, Iceberg, Delta Lake)
• Monitoring tools (Grafana, Prometheus)

Responsibilities

• Build scalable batch and streaming data pipelines
• Develop and optimize Spark/PySpark data processing jobs
• Build Kafka-based ingestion and event-driven pipelines
• Design and maintain Airflow orchestration workflows
• Optimize SQL queries and improve pipeline performance
• Investigate production issues and improve system reliability
• Participate in architecture and technical design discussions

Senior-Level Expectations

• Independently design scalable data pipelines
• Debug and optimize distributed production systems
• Solve performance bottlenecks in Spark and SQL workloads
• Make technical decisions with minimal supervision
• Take ownership of production solutions end-to-end

Soft Skills

• Strong problem-solving skills
• Ownership and accountability
• Ability to work independently
• Good communication and collaboration skills
• Proactive engineering mindset

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.

We are looking for a Full Stack Developer to join our team and help build, maintain, and improve our product. You’ll work across both frontend and backend, developing new features, integrating AI services, and contributing to architectural decisions.

Responsibilities
 

FastAPI
React

Build and maintain RESTful APIs.
Frontend SEO optimization

Work with PostgreSQL, Redis, and TimescaleDB.

Integrate third-party services and AI APIs.

Optimize application performance and scalability.

Fix bugs, improve existing functionality, and reduce technical debt.

Participate in architecture discussions and technical decision-making.