Jobs at Djinni

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 insurance with the broker which is available from the first month of cooperation
• Life insurance with the broker which is available from the first month of cooperation
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

We are now seeking a Backend Engineer to join one of our client projects focused on building scalable, intelligent systems that redefine customer engagement. You’ll play a key role in designing cloud-native services, integrating AI-driven APIs, and ensuring that the platform is reliable, high-performing, and ready for large-scale usage.
 

The team is developing a next-generation platform for customer engagement powered by generative AI. The solution enables travel and lifestyle companies to deploy intelligent, always-available digital agents that provide personalized support and seamless brand interactions at scale. By combining advanced GenAI models with a proprietary learning engine and deep integration into business systems, the platform helps brands create efficient, consistent, and meaningful conversations with their customers.
 

You Have

• At least 4 years of professional experience in backend development with Python (FastAPI) or Node.js
• Strong knowledge of PostgreSQL: schema design, indexing, query optimization, and advanced SQL logic
• Hands-on experience designing and deploying applications on AWS (ECS, Lambda, API Gateway, S3)
• Proven ability to integrate AI/ML APIs (OpenAI, AWS Bedrock, Gemini) into real-world solutions
• Solid understanding of distributed systems, asynchronous processing, and designing for scalability, availability, and resilience
• Experience working with event-driven architectures and message-driven workflows
• Familiarity with system design trade-offs: database models, caching, consistency, modular API boundaries
• Knowledge of observability tools (CloudWatch, Datadog, Sentry) and best practices for building operational visibility into systems
• Strong foundation in engineering practices: unit/integration testing, CI/CD pipelines, Git workflows
• Comfortable working in agile, iterative development environments with regular reviews and team discussions
• Excellent communication skills and the ability to clearly document and explain technical decisions
• Experience using AI coding assistants (e.g., Cursor, GitHub Copilot, or similar) in day-to-day development tasks
   

Would be a plus

• Familiarity with travel APIs or booking platforms • Experience with prompt engineering or GenAI workflows (e.g., RAG pipelines)
• Background in AI-powered product development, such as LLMs or recommendation systems in production 
• Knowledge of AI observability practices for monitoring model performance, latency, and drift
• Experience building AI-powered solutions or integrating AI pipelines/APIs into software projects
   

You Are Going To

• Participate in the full software development lifecycle, from planning and architecture to development, deployment, and monitoring
• Design and implement backend services and microservices with Python (FastAPI) or Node.js
• Build efficient queries and scalable data models in PostgreSQL, ensuring high performance under load 
• Develop and operate cloud-native infrastructure on AWS, leveraging services like ECS, Lambda, API Gateway, and S3
• Integrate AI/ML APIs (OpenAI, AWS Bedrock, Gemini) to enable conversational features and automation 
• Collaborate with product managers and engineering teams to deliver impactful solutions
• Contribute to architecture design sessions, code reviews, and continuous process improvements
• Ensure systems are reliable, observable, and optimized for long-term maintainability

Moon Active is one of the world's top mobile game companies, our teams leverage cutting-edge technologies to craft fun and interactive games enjoyed by millions worldwide. We produce exciting and engaging entertainment for players across the globe and pride ourselves on developing top-quality casual games that invite and allow players to connect with one another.

As a BackEnd Developer, you will be working in a scrum team implementing new features and improving existing code for our most popular game. We are looking for a Strong developer to join an engineering team that is responsible for building complex, high-scale, and real-time systems.

We work with Node.js/Redis/Neo4j/K8s/Microservices, 24/7 serving 100k req/sec, 200k+ req/sec at peaks, Redis used as the main storage, handling terabytes of data and 200M ops/min.

Responsibilities:

• Delivering new game features every few weeks;
• Building distributed systems and microservices;
• Mainly developing real-time mobile game server with Node.js and Redis;
• Working with the Kyiv-based cross-functional team that also includes Unity developers and QAs.

Requirements:

• Backend development experience (any OOP language, ex. Node.js, Java, C#, etc.);
• Familiarity with Node.js - must;
• Willingness to operate within an AI-first approach for development productivity and feature integration;
• Experience with distributed systems and microservices architecture;
• Experience with NoSQL databases (ex. Redis);
• Experience with Backend development of real-time web services;
• Experience in a high scale system will be a plus;
• Experience working with Scrum teams will be a plus;
• Good spoken and written English is a MUST.

Benefits:

• A global data-driven company, with a unique product and strong R&D center;
• Exceptional innovative and dynamic work environment;
• Promote transparency & open employee communication;
• Tremendous growth & career advancement opportunities;
• Encourage, support, and empower learning exploration and career development opportunities;
• Directly impact and build personalized product experiences for our players.
   

We offer:

• Generous compensation with regular performance reviews;
• Paid vacation and sick leaves; 
• Comprehensive medical insurance for you and your family member free of charge;
• Sports expenses reimbursement;
• Comfortable office in BC Gulliver; 
• Daily lunches in the office and fully stocked kitchen with the greatest coffee;
• Newest technical equipment (macOS);
• Training & Development / Tuition reimbursement; online courses of your choice;
• Parental leave;
• Employee Referral Program with great bonuses;
• Regular team buildings and Company Happy Hours; 
• Relocation bonus for nonlocal candidates;
• Reimbursement of car parking.
   

We celebrate all kinds of entertaining events - brought to us by our amazing Employee Experience and never forget about gifts!

Join us on the Moon!

NuxGame works with iGaming operators of all scales helping companies access new markets or enhance their existing brands. As a casino gaming software company, NuxGame provides solutions that allow building outstanding brands and fulfilling your business goals.We are looking for a DevOps Engineer to join our team.

Responsibilities:

• Optimize server-side technologies for high-load environments, including Nginx, PHP-FPM, MySQL, and Redis
• Configure and manage firewalls (iptables, UFW), VPNs, and reverse proxy servers
• Monitor systems and detect issues using APM tools (e.g., New Relic, Victoria Metrics) and log analysis
• Implement and maintain CI/CD pipelines following best practices

• Work with Docker for containerization and service isolation

   

Experience:

• Strong understanding and hands-on experience with Linux systems (Debian, Ubuntu)
• Experience working with AWS cloud services, such as EC2, RDS, SQS, Auto Scaling Groups, etc.
• Proficiency with MySQL and Redis
• Practical experience with Jenkins for CI/CD automation
• Proficient in using GitHub or GitLab for version control and CI/CD automation
• Confident in working with Cloudflare services (DNS, caching, WAF, etc.)

• Experience with Infrastructure as Code (IaC) using Terraform and Ansible for provisioning and configuration management

   

What We Offer:
 

• Work Format: Remote work format.
• Working Hours: 09:00/10:00 - 17:00/18:00  (Kyiv time) (Monday-Friday).
• Compensation: Timely payment of competitive wages (salary).
• Employment: Official employment.
• Leave: 24 days of vacation annually.
• Team Environment: A friendly team and pleasant atmosphere without pressure or stress; open and democratic work organization.
• Projects: Interesting work on successful projects within the dynamic iGaming sector

Role: SEO/GEO Specialist – AI Visibility

Mission

Turn GoGloby into top-referenced sources across AI search platforms like ChatGPT, Perplexity, and Claude — not just traditional Google SERPs.

The goal: rank in AI responses, not just search results.

Responsibilities:

1) LLMO (Large Language Model Optimization) Strategy

• Audit how ChatGPT, Perplexity, and Claude describe the brand and its content.
• Track citations, mentions, and source visibility across AI systems.
• Build and iterate on a structured LLM visibility report.

2) Content Optimization for AI Models

• Implement Information Gain SEO – enrich pages with unique data, expert quotes, stats, and insights.
• Develop structured, schema-enriched content that’s more likely to be cited by AI.
• Ensure proper heading hierarchy (H1-H3) and citation clarity for LLM-friendly attribution.

3) Entity & Knowledge Graph Building

• Optimize brand entity presence in Google Knowledge Graph and Wikidata.
• Add structured data (Organization, Person, Product, Article schema) using JSON-LD.
• Strengthen brand’s “identity card” so it’s recognized as an authoritative source by AI models.

4) GEO Targeting

• Research and execute GEO-based SEO for the U.S.
• Optimize local listings, directories, and citations that LLMs index.
• Collaborate with content teams to adapt topics per geography & audience.

5) Backlink & Brand Mention Campaigns

• Secure mentions on high-authority, AI-training datasets domains (Wikipedia, Medium, Forbes, etc.).
• Develop partnerships with publications likely to be scraped by AI systems.

6)Analytics & Reporting

• Build dashboards to track performance across LLMO visibility + traditional SEO metrics (Semrush, Ahrefs, Perplexity analytics, etc.).

• Identify content that drives AI citations, traffic, and conversions.

   

Required Skills:

• Proven experience in SEO with focus on entity optimization & structured data.
• Deep understanding of Knowledge Graphs, schema markup, and Google NLP entities.
• Familiarity with AI search (ChatGPT, Perplexity, Bing Copilot) and conversational response optimization.
• Tools: Semrush, Ahrefs, Google Search Console, Perplexity, ChatGPT browsing, Schema.org, and analytics dashboards (Looker, Data Studio, etc.).

• Strong English and ability to write, test, and refine structured content.

   

Nice to Have:

• Experience with AI-driven SEO tools (SurferSEO, AirOps, Jasper, MarketMuse, Clearscope).
• Understanding of LLM training data sources and prompt-based testing.

• Past experience improving brand Knowledge Panels or Wikipedia presence.

   

Example Deliverables:

• LLM Visibility Audit: “How AI tools talk about GoGloby.”
• SEO + LLM Content Optimization Plan (with entity map).
• Quarterly “AI Search Performance Dashboard.”
• AI Search Citations Tracker (which pages get mentioned in ChatGPT/Perplexity).
• List of 50 high-authority sites to target for brand mentions.

Compensation & Benefits:

• Full-time, 100% Remote — work from anywhere
• Competitive pay: based on experience and performance
• Performance bonuses for measurable growth in AI visibility (ChatGPT / Perplexity / Claude mentions, entity presence, and conversions).
• Long-term collaboration: we’re building ongoing partnerships, not one-off projects.
• Flexible schedule: manage your own time — we care about results, not hours.
• Access to premium tools: SEMrush, Ahrefs, MarketMuse, AirOps, Clearscope, and AI-driven analytics suite.
• Global culture: join an international team working with U.S. startups, enterprise clients, and cutting-edge AI companies.

Moon Active is one of the world's top mobile game companies, our teams leverage cutting-edge technologies to craft fun and interactive games enjoyed by millions worldwide. We produce exciting and engaging entertainment for players across the globe and pride ourselves on developing top-quality casual games that invite and allow players to connect with one another.

We're looking for a talented Full Stack Developer to join our amazing RnD team.

Product Tech Stack: NodeJS, TypeScript, Express, NestJS, MongoDB, ReactJS, Material-UI, AWS, Docker, Kubernetes, Jenkins, GitHub Actions, GitHub packages, Microservices.

Responsibilities:

• Develop and maintain internal software tools that directly support and enhance team productivity.
• Partner with stakeholders across the organization to define project requirements and architect scalable solutions.
• Collaborate closely with the team and our R&D architect to define requirements and shape solutions.
• Ensure code quality by writing robust, well-documented code and actively participating in code reviews.
• Engage in all phases of the agile development lifecycle to deliver high-quality features on time.
• Provide production support and issue resolution as part of an on-call rotation.

Requirements:

• 3+ years of experience in full-stack development, with a focus on Node.js.
• Strong proficiency in JavaScript (ES6+), HTML, and CSS.
• Proven experience with either Vue.js or React.
• Experience with both SQL and NoSQL databases.
• Understanding of RESTful web services and network protocols.
• Knowledge of browser debugging and troubleshooting.
• Hands-on experience with AWS S3, SNS, and SQS.

Advantages:

• Experience with automated testing (unit, integration, or E2E).
• Familiarity with CI/CD pipelines and build processes.
   

Benefits:

• A global data-driven company, with a unique product and strong R&D center;
• Exceptional innovative and dynamic work environment;
• Promote transparency & open employee communication;
• Tremendous growth & career advancement opportunities;
• Encourage, support, and empower learning exploration and career development opportunities;
• Directly impact and build personalized product experiences for our players.

We offer:

• Generous compensation with regular performance reviews;
• Paid vacation and sick leaves; 
• Comprehensive medical insurance for you and your family member free of charge;
• Sports expenses reimbursement;
• Comfortable office in BC Gulliver; 
• Daily lunches in the office and fully stocked kitchen with the greatest coffee;
• Newest technical equipment (macOS);
• Training & Development / Tuition reimbursement; online courses of your choice;
• Parental leave;
• Employee Referral Program with great bonuses;
• Regular team buildings and Company Happy Hours; 
• Relocation bonus for nonlocal candidates;
• Reimbursement of car parking.

We celebrate all kinds of entertaining events - brought to us by our amazing Employee Experience and never forget about gifts!Join us on the Moon!

Mobile App Engineer
PROFILE SUMMARY
We are seeking a Mobile App Engineer with proven experience building cross-platform applications using
Capacitor, React, and Next.js alongside native iOS and Android development. The ideal candidate will
have a strong command of mobile architectures and a track record of delivering performant, user-friendly
apps.

PROJECT SUMMARY
Develop and maintain mobile applications using Capacitor, React/Next.js, with a focus on cross-platform
development, push notification management, and performance optimization.

RESPONSIBILITIES
Develop and maintain Capacitor-based mobile apps, leveraging React/Next.js for UI and native
modules for platform-specific features

•Manage release cycle and deployment to app stores for mobile applications
•Own the mobile component of the push notification engine, via Apple APNS and FCM on Firebase
•Collaborate with UX/UI designers and engineers to implement mobile features
•Monitor app health via analytics and crash reporting, and drive performance optimizations

REQUIREMENTS
•Excellent command of written and spoken English
•Deep expertise with Capacitor framework, React, and Next.js in a mobile context
•React Native, iOS (Swift/Objective-C) and Android (Kotlin/Java) development experience
•Proficiency with CI/CD tools and release cycles to mobile app stores
•Strong understanding of RESTful APIs, authentication and data integration patterns
Hands-on experience implementing push notifications and messaging workflows (Courier, APNS, FCM)

•Experience with JIRA or other similar tools
•Excellent communication and stakeholder management skills

HARD SKILLS
Primary
Capacitor (3+)
Next.js (2+)
React Native (3+)
IOS (3+)
Android (3+)

About us

An international project built for artists and creators, working at the crossroads of music, tech, and platforms like Spotify, TikTok, and SoundCloud. We’re looking for someone who understands the real value of high-quality link placements - not just dropping links for the sake of it, but doing it with purpose.

What you’ll be doing:

• Finding relevant websites, blogs, directories for link placements
• Evaluating site quality - traffic, authority, indexing
• Reaching out to webmasters using your own tested outreach flows
• Coordinating content with our writers or external contributors
• Keeping a live database of placed links and managing statuses/deadlines
• Suggesting smart improvements to make the process more efficient

Requirements:

• 4+ years of experience in outreach and link building
• Fast and focused working style
• Strong SEO knowledge (anchors, nofollow/dofollow, indexing logic)
• Understanding of algorithm changes and AI trends in 2025
• Responsible, self-managed, and quality-driven approach
• You bring your own outreach stack and tools (like Ahrefs or similar)

What we offer:

• $20 for every placed dofollow link 
• Monthly plan: 10–15 links (with potential to scale)
• Fully remote, flexible schedule
• Clear briefs, strategy support, and full communication on our side

If you’re not just “sending cold emails” but actually building a real system - we’d love to hear from you.

Feel free to send over a short intro, your experience, and any examples or cases.

Join white.market – Shape the Future of CS2 Skin Trading!

At white.market, we’re changing the game in CS2 skin trading, making it cheaper, smarter, and more secure. As part of the WhiteBIT ecosystem, we provide zero-fee crypto transactions, real-money payouts, and seamless P2P trading—a first in the industry.We’re growing fast and looking for passionate people to help us build the ultimate trading platform for gamers and traders worldwide. If you love innovation, gaming, and fintech, you’ll feel right at home with us!

Join us as a PHP/React Developer!

Requirements:

— 2+ years of commercial experience in full-stack FE, BE web development
— Solid knowledge of PHP 8+ (Symfony or Laravel), JavaScript / TypeScript
— Proficiency in React for front-end development
— Good understanding of REST APIs, JSON, and asynchronous programming
— Experience with databases — relational databases, SQL (PostgreSQL / MySQL)
— Experience with tools for caching and asynchronous data processing
— Familiarity with Git, CI/CD workflows, and containerization (Docker)
— Understanding of web architecture, security, and performance optimization

Would be a Plus:
— Basic understanding of GraphQL

Responsibilities:

— Develop, maintain, and improve web applications using modern front-end and back-end technologies
— Work with RESTful APIs and integrate third-party services
— Collaborate with marketing, designers, product managers, and QA engineers to deliver high-quality features
— Write clean, efficient, and reusable code following best development practices
— Participate in code reviews and contribute to continuous improvement of the development process
— Troubleshoot, debug, and optimize application performance
— Document technical solutions and maintain project-related knowledge bases

Work conditions:

Why You’ll Love Working Here:
— Impact – Be part of a fast-growing Web3 product disrupting the CS2 market.
— Passion-Driven Team – Work with gaming and crypto enthusiasts who love what they do.
— Innovate & Grow – Your ideas matter. Help shape the product and influence its success.
— Flexibility – A dynamic environment with remote-friendly opportunities.
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.

Ready to change the game with us? Apply now and let’s build something big together!

We are looking for:

3 senior Android devs for a project in the telecommunications industry

Workload: full-time
Start: We need one dev ASAP, the other 2 starting in January 2026.
Duration: long-term (1 year +)
Location: any, Ukraine is acceptable only if the dev’s availability can be guaranteed
English: B2
Budget: offer your best rate, but lower rates are preferable to the client

Developer Requirements:
• Strong knowledge and long-term experience in developing modern Android mobile applications
• Familiarity with modern development approaches, technologies, and frameworks
• Proficiency in Kotlin, Jetpack Compose, Coroutines, Flow, Gradle, Git, and REST (JSON)
• Understanding of reactive programming, unidirectional data flow, clean architecture principles, and writing testable code (dependency injection)
• Experience working with shared codebases across multiple applications (monorepo), large-scale projects, and refactoring legacy code
• Basic knowledge of iOS development (Swift, SwiftUI) is an advantage
• Experience with version control systems
• Familiarity with analytics and debugging tools is an advantage (e.g., Dynatrace, Google Analytics, Google Firebase)
• Experience working in an agile environment and an agile mindset is considered an asset

Responsibilities:
• Develop Android mobile application in line with project requirements
• Collaborate closely with the mobile application architect
• Work with both new and legacy code
• Analyse and resolve software functional issues
• Test and maintain the quality of your own source code
• Actively contribute to agile team activities under the guidance of the Product Owner 

Qualifications and Skills
===============================
 

- 2+ years of experience in manual testing
- Strong knowledge of testing methodologies and test documentation practices
- Experience in analyzing the requirements, performing test design, executing test cases, and reporting test results
- Hands-on experience in UNIX/Linux, including CLI
- Practical experience with API testing (CRUD operations, debugging with Postman or similar tools)
- Automation skills with Python (writing and maintaining test scenarios, knowledge of pytest or Playwright)
- Good communication skills, a structured mind and constructive expression of thoughts, ideas and propositions

Nice to have
===============================
 

- Good written and spoken English
- Familiarity with AWS and Azure services 
- Experience with databases and SQL 
- Understanding of networking technologies, protocols, and architectures, including L2/L3 and protocols

We invite an experienced and proactive Intermediate .NET Software Engineer to join our team and help build leading-edge decentralized technology solutions for our client’s institutional financial partners and global users. You'll play a key role in developing scalable backend systems and decentralized financial protocols, collaborating with a renowned US-based regtech and fintech company.

✅ What's in it for you:

• Collaborate directly with a US client on an exciting fintech product
• Build software with a modern tech stack (Azure, CI/CD, Kubernetes, Terraform, and .NET 8)
• Work on a high-compliance project adhering to strict security standards (PCI DSS Level 2)

✅ Is that you?

• 3+ years of .NET experience building scalable .NET Core and ASP.NET Core apps
• 2+ years developing web services
• Strong C# programming skills
• Experience with microservices architecture
• Knowledge of relational databases and SQL
• Experience in unit and integration testing
• Hands-on experience with NServiceBus or similar
• Familiarity with cloud platforms (Azure, AWS, GCP) and Docker
• Agile team experience, with strong collaboration, communication, and adaptability
• Proactivity, fast learning ability, and code review experience
• Experience or willingness to work in a virtual machine environment
• Strong problem-solving and analytical skills
• Intermediate+ English level

Desirable:

• Experience with NoSQL databases and in-memory storage (Redis)
• Experience with Azure DevOps and DataDog
• Understanding of authentication & authorization (Identity Server)
• Blockchain and fintech domain experience
• Knowledge of software development principles, design patterns, and Git
• Experience with TDD and contract testing

🧩Key responsibilities and your contribution

In this role, you’ll join our diverse, global team and leverage your backend expertise to help us deliver scalable, high-quality fintech software.

• Participate actively in requirements analysis, team ceremonies, and meetings
• Collaborate with internal teams on software design and architecture
• Write clean, scalable, and maintainable .NET code
• Revise, update, refactor, and debug existing software
• Improve existing functionality and performance
• Develop and maintain documentation throughout the SDLC

🎾 What's working at Dev.Pro like?

✔️ 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child
✔️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
✔️ Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

We’re SerenityGPT — a fast-growing GenAI startup solving a painfully common problem: finding information at work is still broken. Whether it’s buried in Confluence, Jira, GDrive, SharePoint, or Slack — we surface concise, verifiable answers from across your internal knowledge in a conversational interface. Our customers include global firms such as Perforce, InterSystems, and Testronic. 

We’re looking for an ambitious Python Developer to join our small high-performing team. You’ll work directly with our CTO to help deliver cutting-edge RAG and Agentic AI systems to global tech, finance, healthcare, and gaming companies. If you're looking to move fast, build with purpose, and be part of something early and impactful — we’d love to meet you.

🔧 What You’ll Do

• Identify, evaluate, and deploy the latest in RAG and Agentic AI
• Build scalable data pipelines (API integrations, web crawlers)
• Configure end-to-end customer use cases and automate aggressively
• Maintain and evolve our highly configurable, deployable RAG engine
• Collaborate directly with top-tier enterprise clients (Perforce, InterSystems, etc.)
  
   

🧠 Our Stack

• Python, Postgres, Docker
• Custom RAG framework/pipline
• LLM APIs and embedding models
• Vector DBs
• See our docs: docs.serenitygpt.com
  
   

✅ Requirements

• 1+ years of Python
• REST APIs, Docker, Git
• SQL databases (Postgres)

We are looking for a Senior Full Stack Java + React Developer to join our team and contribute to the evolution of a large-scale platform for a US-based B2B company. This is a senior-level role for an experienced engineer who can own end-to-end feature delivery—from backend architecture to frontend implementation—in a modern, cloud-native environment.

Key Responsibilities:

• Design, develop, and maintain scalable backend services using Java and Spring Boot.
• Build and enhance frontend components using React, ensuring a seamless and performant user experience.
• Collaborate with product managers, designers, and other engineers to deliver high-quality, maintainable software solutions.
• Architect and implement RESTful APIs and integrations between backend and frontend systems.
• Leverage AWS services (e.g., EC2, S3, Lambda, RDS, CloudFront) for application deployment, monitoring, and scalability.
• Ensure application performance, security, and reliability across the stack.
• Participate in architecture reviews, provide mentorship to mid-level engineers, and drive best practices across the team.

Required Qualifications:

• 5+ years of professional experience in software development, with a focus on Java and Spring Boot.
• Strong hands-on experience with React and modern JavaScript/TypeScript frameworks.
• Mandatory: Proficiency in AWS services and cloud architecture (infrastructure, deployment, monitoring).
• Solid understanding of microservices architecture and distributed systems.
• Experience with relational databases (e.g., PostgreSQL, MySQL) and ORM frameworks (e.g., Hibernate).
• Familiarity with CI/CD pipelines, containerization (Docker, Kubernetes), and infrastructure as code (Terraform or CloudFormation).
• Ability to translate complex business needs into technical solutions.
• Excellent problem-solving, debugging, and communication skills.

Preferred Qualifications:

• Experience with frontend performance optimization and state management (Redux, or similar).
• Familiarity with non-relational databases (MongoDB, DynamoDB).
• Knowledge of messaging systems (Kafka, RabbitMQ).
• Experience with monitoring and observability tools (CloudWatch, Prometheus, Grafana).

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

FAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment.
We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable to withstand enormous loads and provide a unique experience for players.
FAVBET Tech does not organize and conduct gambling on its platform. Its main focus is software development.
 

Responsibilities

• Support and enhance the existing Performance Testing Framework;
• Develop and optimize performance tests to increase coverage;
• Define and validate workload and resource requirements;
• Perform code reviews;
• Plan, execute, and analyze performance testing results;
• Prepare detailed test reports and performance metrics;
• Continuously improve the performance testing approach and strategy;
• Collaborate with development, management, and stakeholders to ensure consistent test execution;
• Share knowledge and best practices with Automation QA team members;
• Gather and maintain test data for performance testing;
• Define and track delivery objectives and tasks together with management.
   

Requirements

• 2+ years of experience in performance testing;
• Hands-on experience with Load, Performance, Stress, and Volume testing;
• Strong experience with JMeter (required);
• Proficiency in one or more programming languages: JavaScript, TypeScript, Groovy, or Python;
• Experience with API (REST) and microservices testing;
• Solid technical testing background (logs analysis, SQL, XML, MongoDB, etc.);
• Understanding or experience with Kubernetes;
• Strong knowledge of Agile/Scrum/Kanban methodologies;
• Experience working with CI/CD tools;
• Competence in DevOps-related skills;
• Excellent communication and collaboration skills.
   

Nice to Have

• Experience in building a performance testing framework from scratch;
• Positive, proactive, and open-minded communication style;
• Initiative in improving testing processes and frameworks.
   

Trial Period Goals

• Get familiar with and enhance the existing Performance Testing Framework;
• Develop and extend performance test coverage;
• Analyze performance results and prepare reports;
• Collaborate with QA and development teams to refine testing strategies;
• Contribute to improving the overall performance testing approach and documentation.
   

We Offer

• 30 days off — we value rest and recreation;
• Medical insurance for employees;
• Company-paid training opportunities and gym membership;
• Remote work or the option to work from our modern loft-style office with spacious workstations and brand-new equipment (near Pochaina metro station);
• Flexible work schedule — we expect full-time commitment but do not track working hours;
• Flat hierarchy and no micromanagement — our doors are open, and all teammates are approachable.