Jobs at Djinni

24PLAY is a product company from Ukraine that has been developing mobile games since 2019.

Over 40 million satisfied players enjoy our games: Street Dude, Merge Anything, Crazy Tire.

Our partners include Ubisoft, Homa Games, and Lion Studios.

Your opinion and ideas matter to us, which means you have the opportunity to build the future of the mobile gaming market together with us.
As a Diia City resident, we offer employee reservation starting from the first day of employment.
 

We are looking for an experienced Lead 3D Artist to lead the art team, build efficient pipelines, and ensure high-quality visuals across our mobile games and playable ads. Your role will combine artistic vision, production management, and technical expertise.

• Full-time job

• Office-based in Kyiv

   

Main responsibilities:

• Leading and mentoring a team of 3D artists
• Ownership of the visual quality of game projects (style consistency, readability, appeal)
• Estimation, task planning, and deadline control for art production
• Building and improving 3D art pipelines for mobile and playable ads
• Art QA: reviewing assets, ensuring they meet performance and style requirements
• Close collaboration with developers, game designers, 2d artists, animators, etc.
• Conducting technical interviews for 3D artists.
• Setting up workflows for fast content production (especially for prototypes and ads)
• Solving art-related issues and optimizing for mobile performance

Our ideal candidate has:

• 4+ years of experience in 3D art for games (mobile experience is a strong plus)
• Experience in a Lead / Senior role with team management or mentorship
• Strong understanding of stylized 3D (casual / hyper-casual / mid-core)
• Solid skills in:
  • Modeling (low-poly / mid-poly)
  • Texturing (hand-painted / PBR understanding)
  • Lighting and composition
• Experience working with UI
• Understanding of mobile limitations and performance optimization
• Experience building or improving art pipelines
• Strong Art QA skills (consistency, readability, polish)
• Basic technical knowledge
• Ability to balance quality vs speed (especially for playable ads)
• Proactivity and ownership mindset
• English level B1+
• Love for games!

Nice to have:

• Experience with playable ads production
• Experience as a Tech Artist or strong technical background
• Knowledge of scripting tools (Blender / Unity tools / Python)
• Experience with VFX
• Experience working with outsourcing teams
• Understanding of UI/UX integration in Unity

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.
• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.

We are seeking a highly proactive and business-driven Sales Manager to play a key role in expanding our client base. You will be responsible for opening new accounts, establishing relationships with prospective clients and driving initial engagement.

Responsibilities: 

• Identify, approach and engage new potential clients in the IT outsourcing sector.
• Manage the full early-stage sales cycle: outreach, qualification, discovery and handover to the technical team.
• Build and nurture long-term relationships with clients, primarily in the US market.
• Attend international conferences, networking events and industry meetups to build connections and generate business opportunities.
• Maintain a high level of activity across communication channels.
• Collaborate closely with internal teams to ensure alignment on client needs and service offerings.

Requirements:

• Proven experience in IT outsourcing or software development services sales.
• Proven track record of successfully onboarding new clients.
• Experience working with US clients.
• Excellent communication, negotiation and relationship-building skills.
• Ability to work independently, drive processes and deliver results.
• Advanced level of English (both written and spoken).
• Based in Europe and able to travel for conferences and client events.

Working conditions and benefits:

• Paid vacation, sick leave (without a sickness list).
• Official state holidays — 11 days considered public holidays.
• Professional growth while attending challenging projects, and the possibility of switching your role and mastering new technologies and skills with company support.
• Flexible working schedule: 8 hours per day, 40 hours per week.
• Personal Career Development Plan (CDP).
• Employee support program (Discount, Care, Health, Legal compensation).
• Paid external training, conferences, and professional certification that meet the company’s business goals.
• Internal workshops & seminars.
• Corporate library (Paper/E-books) and internal English classes.

Ready to join us? 🚀

You will work on scalable AI solutions, developer-focused tools, workflow automation, and AI capabilities that improve engineering productivity and deliver real business value for clients.
 

Responsibilities:

— Design, build, and deploy LLM-based applications and agentic AI systems from prototype to production.

— Develop production-grade AI agents, multi-agent systems, and tool-using workflows.

— Implement RAG pipelines over proprietary and third-party data sources.

— Build and maintain vector databases for AI data storage, retrieval, and search.

— Design and implement AI-powered capabilities such as code assistance, documentation generation, test automation, summarization, knowledge discovery, and code review support.

— Evaluate foundation models such as OpenAI, Anthropic, Gemini, Llama, and other commercial or open-weight models.

— Build LLM evaluation and benchmarking pipelines, including offline tests, online monitoring, human-in-the-loop review, and quality measurement.

— Improve model performance across relevance, faithfulness, latency, throughput, reliability, and cost.

— Design and maintain APIs, backend services, integrations, data flows, and custom tools for AI systems.

— Build custom tools, skills, integrations, and MCP-style server/client patterns for agentic workflows.

— Deploy, monitor, and optimize AI systems on cloud platforms, with a focus on scalability, reliability, observability, and cost efficiency.

— Collaborate with solution architects, engineers, product stakeholders, and delivery teams to translate business problems into technical solutions.

— Participate in architecture discussions, code reviews, design reviews, and technical decision-making.

— Troubleshoot production issues, system bottlenecks, and AI performance problems.

— Document system designs, development processes, technical decisions, and best practices.

— Mentor other engineers and help improve engineering quality across the team.

— Stay up to date with the fast-moving AI, LLM, and agentic AI landscape.

Requirements

— 2+ years of hands-on experience building and deploying LLM-based applications, RAG systems, or AI agents in production.

— Strong software engineering fundamentals and ability to write clean, maintainable, production-ready code.

— Strong Python experience, ideally 3+ years.

— Experience building backend systems, APIs, services, integrations, and data flows.

— Experience with object-oriented programming, backend architecture, design patterns, and production system design.

— Hands-on experience with LangChain, LangGraph, or similar AI orchestration frameworks.

— Strong experience designing agentic AI systems, tool-using agents, or multi-step AI workflows.

— Experience with RAG architecture, including chunking strategies, embeddings, vector databases, reranking, and retrieval evaluation.

— Experience with vector databases such as Pinecone, Weaviate, Qdrant, Chroma, Milvus, or similar.

— Experience with LLM evaluation and benchmarking, including designing evaluation pipelines and measuring model performance.

— Strong prompt design, prompt iteration, and prompt optimization skills.

— Experience working with major model providers or open-weight models such as OpenAI, Anthropic, Gemini, Llama, or similar.

— Cloud experience with AWS, GCP Vertex AI, Azure AI Foundry, or similar platforms.

— Experience with production testing, observability, monitoring, performance optimization, and cost optimization.

— Solid understanding of algorithms, data structures, machine learning concepts, and data engineering fundamentals.

— Familiarity with AI safety, responsible AI, guardrails, and output validation for production systems.

— Experience with CI/CD pipelines, deployment workflows, and engineering best practices.

— Strong problem-solving, analytical, collaboration, and communication skills.

We offer:
— remote time job, B2B contract
— 12 sick leaves and 18 paid vacation business days per year
— Comfortable work conditions (including MacBook Pro)
— Smart environment
— Interesting projects from renowned clients
— Competitive salary according to the qualifications
 

We’re on the hunt for a talented AI/ML Engineer to design, implement, and optimize cutting-edge AI/ML solutions. If you thrive on solving complex problems and creating production-ready models, we’d love to hear from you!

.  What You’ll Do:

• Develop and fine-tune AI/ML models for performance and scalability.
• Enhance production models, debug issues, and ensure reliability.
• Work with cross-functional teams to shape future AI/ML innovations.
• Explore emerging AI/ML technologies and recommend tools/frameworks.
• Build robust pipelines using Python, SQL, Docker, and more.

.  What We’re Looking For:

• Strong experience in AI/ML, data science, or data engineering.
• Expertise in Python, TensorFlow, Keras, Scikit-learn, and Generative AI.
• Familiarity with Docker, Streamlit, and data tools like Pandas and SQL.
• Strong communication skills and the ability to work independently.

• English: Upper-intermediate or higher.

   

  What We Offer:

✔️ 18 vacation days + 12 sick leaves annually.
✔️ A high-tech workplace (MacBook Pro + Dell monitor).
✔️ Exciting projects with cutting-edge technologies.
✔️ Flexible work hours and competitive salary.
 

Ready to shape the future of AI/ML with us? 🚀 Apply now and be part of something extraordinary!

At Uvik Software, we specialize in assembling top-tier dedicated development teams and delivering exceptional software solutions to clients across the globe. We are passionate about clean code, great collaboration, and cutting-edge technology👩‍💻🧑‍💻🦾.


We’re on the lookout for a Python Engineer who is eager to grow, build scalable backend systems, and contribute to exciting projects in a fast-paced, agile environment. If you're a motivated developer with a sharp eye for detail and a passion for problem-solving, this is your opportunity to make a real impact.

📍Location: USA Only
📌Job Type: Contractor, Full-time


💼 Responsibilities:

- Design, develop, and maintain backend services and RESTful APIs using Python (Flask or FastAPI)
- Write clean, maintainable, and scalable code following best practices (PEP8)
- Work with SQL databases (PostgreSQL preferred) to design, query, and manage data
- Develop unit and integration tests with tools like Pytest
- Document APIs using tools such as Swagger or Insomnia
- Collaborate with the team via Git (GitHub/GitLab/Bitbucket) and participate in code reviews
- Support CI/CD pipeline setup (e.g., Jenkins, GitLab CI)
- Debug and troubleshoot backend systems
- Integrate and utilize Large Language Models (LLMs) for enhanced application capabilities
- Communicate clearly and effectively in English (both written and spoken)


✅ Requirements:

- 2–3 years of hands-on experience in Python development
- Strong knowledge of Python fundamentals
- Practical experience with Flask or FastAPI
- Experience working with SQL databases
- Experience or interest in integrating LLMs into backend systems
- Familiarity with Docker
- Basic understanding of Git or other version control systems
- Exposure to unit testing, API testing, and tools like PyLint or Flake8
- Ability to work in Linux and/or Windows environments
- C1 or higher level of English
- A growth mindset and proactive attitude



Nice to Have

Experience with CI/CD pipelines (e.g., Jenkins, GitLab)
Familiarity with tools like Jira or Crucible
Exposure to cloud platforms or Kubernetes


🍀What We Offer:

- Top Equipment: MacBook Pro + Dell Monitor
- Flexible Schedule: Balance your life with adaptable working hours
- Meaningful Projects: Work with real-world technologies that make a difference
- Professional Growth: Long-term opportunities and support for your development
- Competitive Compensation: Based on your skills and contribution

Ready to level up your Python skills and work with a supportive, forward-thinking team?
Apply now and let's build something great together!

We are looking for a Team Lead to own our 24/7 monitoring and incident response operations. If you know how to turn “everything is on fire” into a structured recovery process and build high-performing support teams — let’s talk!

Requirements:

• Experience: 4–6+ years in Incident Management, NOC, or Production Operations (high-load distributed systems).
• Leadership: Proven track record of managing L1/L2 teams and scaling 24/7 shift-based operations.
• Expertise: Deep knowledge of ITIL (Incident, Problem, Change), severity models (P1—P4), and escalation frameworks.
• Technical Stack: Hands-on with Grafana, New Relic, Zabbix, and ticketing systems like Jira Service Management.
• Soft Skills: High-pressure decision-making, executive-level communication, and a “no handoffs without accountability” mindset.

• Background in high-load sectors like Fintech or Gambling is required

   

Responsibilities:

• 24/7 Operations: Own round-the-clock monitoring, detection, and triage to guarantee strict SLA/KPI adherence.
• Team Management: Define shifts and on-call schedules; train the team on runbooks and incident standards.
• Incident Execution: Act as the senior escalation point for P1/P2 incidents, coordinating between DevOps, Backend, and Infra teams.
• Monitoring Quality: Refine alerting to ensure signals are actionable, non-duplicate, and high-quality.
• Communication: Deliver structured, timely updates to stakeholders and ensure clear impact visibility.

• Post-Incident Follow-through: Ensure proper documentation, incident closure, and tracking of RCA action items.

   

Nice to Have:

• Experience with PagerDuty.

• Advanced experience in structured ITIL environments.

   

Our Offer:

• Flexible work setup — work remotely or from the office, we focus on results, not location;
• Support for a comfortable work environment — we compensate coworking expenses and EcoFlow power stations to help our team stay productive during power outages in Ukraine;
• Unlimited vacation and sick leave, because we trust our people to manage their time responsibly;
• Relocation support for team members who want to move;
• Regular performance-based bonuses that reward individual and team impact;
• Learning support — we cover 50% of professional courses and development programs;
• Language & wellbeing support — we cover 50% of English classes and psychological consultations;
• Career growth opportunities — we prioritize internal promotions and development;
• Team culture that actually feels like one — regular gifts, company merch, and team events throughout the year;
• Real impact — we are small enough for every voice to be heard and big enough to turn great ideas into action quickly.

We are currently looking for a Junior Manual QA Engineer to join projects for our existing and new clients. We are looking for a specialist who can contribute to various web-oriented products depending on business needs and project directions.

The team works in an Agile/Scrum environment with close collaboration between QA engineers, developers, PMs, and stakeholders. We value attention to detail, willingness to grow in software testing, and a collaborative mindset.

Requirements

• 1+ years of commercial experience in Manual QA.
• Strong theoretical knowledge of software testing fundamentals.
• Understanding of SDLC and QA processes.
• Experience with web application testing.
• Skills in requirements analysis, test design, test case execution, and defect reporting.
• Experience working with bug tracking systems (e.g. Jira).
• Understanding of Agile/Scrum methodologies.
• Basic understanding of client-server architecture and REST API principles.
• Ability to communicate effectively with development teams and stakeholders.

• English level: Pre-Intermediate or higher.

   

Responsibilities

• Analyze requirements and related documentation for testing purposes.
• Participate in daily team activities and Scrum ceremonies.
• Collaborate with the team on testing planning and estimations.
• Create and maintain test documentation (test cases, checklists, bug reports).
• Perform functional and regression testing of web applications.
• Detect, document, verify, and escalate bugs and production issues.
• Work closely with developers, Product Managers, and other stakeholders.
• Provide feedback regarding product quality and usability.
• Assist the team with business and technical insights during testing activities.

• Work effectively with debugging and issue investigation processes.

   

Nice to Have

• Experience with API testing tools (Postman, Swagger, etc.).
• Understanding of browser DevTools.
• Experience testing responsive web applications.

• Basic SQL knowledge.

   

We Offer

• Opportunity to work on projects for international clients.
• Supportive team and knowledge-sharing environment.
• Professional growth and mentorship.
• Flexible and collaborative work culture.
• Opportunity to gain experience across different domains and products.

We are hiring on behalf of our client, a fast-growing FinTech company operating VASP and crypto exchange platforms across Asia, Europe, and Canada.

This is a senior leadership opportunity for an experienced risk professional who understands real payments, global acquiring, fraud prevention, and payment optimization.

If you have experience with multi-PSP / multi-MID environments, chargeback management, and payment risk strategy, this role offers the opportunity to make a direct commercial impact within a global payments ecosystem.

What You’ll Be Doing

• Lead and enhance the company’s global Risk Management Framework
• Monitor and optimize payment flows, approval ratios, and cascading logic
• Manage fraud prevention systems, chargebacks, and dispute processes
• Ensure compliance with Visa & Mastercard monitoring programs
• Work closely with international PSPs, acquirers, and banking partners
• Analyze fraud trends and transactional risks using data-driven insights
• Develop dashboards, reporting structures, and risk analytics
• Lead and mentor a team of Risk & Chargeback Analysts
• Collaborate cross-functionally with Finance, Tech, BI, and Operations teams

What We’re Looking For

• 3+ years of experience in Risk, Fraud Prevention, Payments, or FinTech
• Strong understanding of multi-PSP / multi-MID infrastructures
• Experience with chargeback management and fraud monitoring tools (Ethoca, Verifi, etc.)
• Knowledge of Visa & Mastercard compliance programs
• Strong analytical skills with experience using Excel and Power BI
• Ability to work in a fast-paced, global environment

Why Join?

• Work within an international FinTech and Crypto payments environment
• Be directly involved in payment optimization and revenue growth
• Collaborate with global PSPs, banks, and acquiring partners
• Lead impactful risk initiatives across multiple jurisdictions
• Join a fast-moving, data-driven organization with strong growth potential

If you're passionate about payments, fraud prevention, and risk strategy, we’d love to hear from you.

International product startup building next-generation AI-powered developer tools is looking for a Senior Backend Engineer (Node.js / TypeScript). The product combines AI generation, visual editing, and product structuring into a unified platform for building and scaling web applications. This role focuses on cloud infrastructure and distributed systems, with a high level of ownership in building a scalable backend foundation for an AI-driven product.

You’ll be joining a team where engineering excellence is the standard. We value clean, type-safe and tested code, continuously deployed on reliable infrastructure that we build. If you enjoy the challenge of creating a smart backbone for the next generation of web development tools, you’ll fit right in.

Core Responsibilities

• Platform Services and APIs: Design and develop a robust ecosystem of services using Node.js and TypeScript that handle complex project lifecycles and real-time synchronization. Full ownership of the platform APIs, documentation and client libraries.
• Infrastructure as Code (IaC): Maintain and scale our global footprint on modern clouds and services using Terraform. You will be responsible for ensuring our environment is reliable, secure, and optimized for performance.
• Database & State Management: Manage data persistence for high-concurrency environments. You’ll manage complex data and caching layers to ensure efficient data access including schema design and caching strategy.
• Distributed Systems: Build and maintain the orchestration layer that handles high-volume file operations, background jobs, and complex state transitions across the Dazl ecosystem.
• Security & Compliance: Implement rigorous security protocols, including IAM management, data encryption at rest/transit and secure API design.
• CI/CD & Observability: Own the deployment pipeline and monitoring stack. Improve our ability to detect, debug, and resolve production issues before they impact users.

Requirements

• Strong professional experience in backend development, advantage for team leading skills.
•  Expert-level TypeScript and Node.js (Async patterns, Streams, Performance tuning).
• Proven experience of managing CI/CD pipelines of production-grade systems on modern clouds - AWS/GCP/Azure. You should understand VPCs, IAM roles, and containerized deployment strategies using technologies like Terraform or Pulumi.
•  Proficiency in SQL (PostgreSQL/Aurora) and NoSQL (Mongo/DynamoDB/Redis).

Advantage: Familiarity with the unique challenges of building AI products, such as non-deterministic outputs and high-latency service integration.

We are looking for a Middle Swift (iOS) Developer to join our team and contribute to building a part of digital wealth management app.

DARLY SOLUTIONS is an international IT company specializing in delivering innovative solutions across FinTech, MedTech, SaaS, etc.

With years of experience in web and mobile development, UI/UX design, Quality Assurance, AI, and machine learning, we pride ourselves on creating impactful products that drive success for our clients.

Since 2018, we have successfully completed over 250 projects.
Examples of our work across various domains can be found on our website - https://www.darly.solutions/

We leverage cutting-edge technologies to craft powerful, forward-thinking solutions tailored to our clients’ needs. Our team is proficient in a diverse range of tools, including Angular, NestJS, React, Vue, PHP, Ruby, NodeJS, and many others.

Requirements:

• Develop and maintain iOS applications using Swift;
• Collaborate with cross-functional teams to define, design, and ship new features;
• Ensure performance, quality, and responsiveness of applications;
• Debug and resolve technical issues, improve application stability;

• Integrate APIs.

   

Responsibilities:

• 2-3 years of experience in iOS development;
• Strong knowledge of Swift and iOS SDK;
• Experience with RESTful APIs and JSON;
• Understanding of mobile app architecture patterns (MVC, MVVM);
• Familiarity with version control systems (Git);
• Experience with UI frameworks (UIKit; SwiftUI is a plus);
• English level: Intermediate / Upper-Intermediate (for communication with the client);
• Publishing apps in the App store.

Admiral Studios is a fast-growing Ukrainian IT outsourcing company, specializing in web development, mobile development, UI/UX, and SEO.

We embrace the latest and most advanced technologies: Node.js, React, Laravel, Shopify, Python, and WordPress.

We create quality projects for clients in the US, Europe, the UK, and Canada 🌍, especially Healthcare, Real Estate, and E-commerce projects.

Currently, our team consists of more than 60+ skilled experts 👨‍💻, and we are constantly growing.

Now, we’re looking for an IT Sales Manager ⭐️ to help us expand our client base and drive growth. If you have a sales background, a proactive mindset, and a passion for building long-term partnerships, this is your opportunity.
As a part of our growth & business development team, you’ll be supported in your desire for new challenges and professional growth.

For a perfect match, we expect 🎯

• 2+ years of experience in IT outsourcing / consulting sales with a proven track record in full-cycle B2B deals
• Hands-on experience with full-cycle sales using Upwork and LinkedIn
• Strong understanding of web technologies such as Node.js, React, WordPress, and Laravel
• Deep knowledge of IT services, outsourcing models, and current industry trends
• Excellent communication, negotiation, and stakeholder management skills
• Advanced objection-handling and closing expertise
• Confident use of CRM tools to manage pipelines, forecasts, and deal progress

Nice to have 💎

• Experience selling to enterprise clients or high-value B2B accounts
• Knowledge of contract negotiation and deal structuring
• Experience selling E-commerce / Shopify solutions and SEO services
• Background in consultative or solution-based sales

Duties & Responsibilities 💼

• Identify, qualify, and close high-value B2B opportunities in IT outsourcing and consulting
• Conduct full-cycle sales via Upwork, LinkedIn, and direct outreach: from prospecting and discovery to contract signing
• Own and manage the sales pipeline and revenue forecast
• Lead discovery calls and solution-mapping sessions, translating business needs into technical solutions in collaboration with delivery teams
• Negotiate pricing, contracts, and scopes of work, ensuring commercially sound deal structures
• Ensure smooth handover from sales to delivery and support early-stage client engagement
• Proactively build, test, and optimize sales processes (outreach, qualification, follow-ups, CRM workflows)
• Track, analyze, and optimize sales performance metrics to drive continuous improvement
• Handle complex objections and stalled deals using strategic and creative closing approaches
• Analyze market trends, competitors, and client needs to identify new opportunities and niches
• Collaborate closely with Marketing, Delivery, and Management to align sales strategy with company goals
• Share best practices and contribute to scaling and maturity of the sales function

Why Join Admiral Studios?

⭐️Growth-Oriented Environment – value efficiency, flexibility, and results. 

🤝Team Spirit – Regular corporate online & offline events to keep the team connected
📚Professional Development Support – we provide:

• A structured Performance Review system.
• Access to an internal knowledge library.
• Career growth opportunities with a clear development plan.
• A budget for improving work processes and implementing new ideas.

🧘Work-Life Balance – Enjoy a flexible work schedule and a fully remote work model.
✅Paid Time Off – 20 vacation days + 10 sick leave days per year.

Hiring steps: 
Screening — Test Task — Tech Interview — CEO Interview — Job Offer 

If your experience and skills match our candidate scorecard, the recruiting team will contact you within 5 business days 💙

Don't forget to provide your Telegram nickname for contact.

We are seeking a skilled Full Stack ( Python/React) Developer with expertise in Python and ReactJS, eager to build high-performance, mission-critical systems optimized for agile development and scalability.

Our tech stack includes:
Python, TypeScript, ReactJS, Redux, Django, Google App Engine, Cloud Firestore, Memcache, Cloud Tasks, Firebase, BigQuery, Elasticsearch, and more.

Key requirements:

• Strong proficiency in Python with experience in asynchronous frameworks like FastAPI (or similar, such as Flask or Django).
• Proven experience in designing scalable backend systems, APIs, and microservices.
• 3+ years of hands-on experience in front-end development using ReactJS.
• Expertise in building UI components and modules with ReactJS and TypeScript.
• Solid debugging and troubleshooting skills for backend applications.
• Strong problem-solving skills, with the ability to work in a fast-paced, collaborative environment.
• Familiarity with both SQL and NoSQL databases.
• Experience working with cloud platforms such as AWS, GCP, or Azure.
• Knowledge of containerization technologies like Docker and Kubernetes.

Responsibilities:

• Adhere to industry best practices to develop user interfaces that are robust, efficient, and visually engaging.
• Write clean, maintainable code for both the frontend (ReactJS) and backend (Python with SQL/NoSQL).
• Collaborate with backend engineers to create and maintain RESTful APIs and microservices.
• Follow software development best practices to ensure timely delivery of high-quality solutions.
• Troubleshoot and resolve issues across the full stack, from the UI to backend processes.
• Continuously document application changes and implement updates to facilitate future maintenance.
• Build scalable backend infrastructures to support seamless frontend functionality and a smooth user experience.

We offer:

• 12 sick days and 18 paid vacation days per year.
• Comfortable working conditions (including a MacBook Pro and Dell monitor at every workstation).
• A smart, engaging environment with exciting projects from well-known clients.
• Flexible work schedule.
• Competitive salary based on your qualifications.

N-iX is looking for a talented Middle .NET Engineer to join our team!  

Our client is one of Europe's fastest-growing mobile companies with over 5  million active customers, 1,000 employees worldwide, and operations in five countries. The client is using the mobile virtual network operator business model.

Responsibilities:

• Back-End development of product components, adopting industry Best Practices
• Work in a cross-functional team with developers, testers, and production support. Cooperate with BI developers, business and systems analysts, and solution architects.
• Confidently communicate in a multinational environment, where communication is in English.
• Design, build, and maintain performant, efficient, reusable, and reliable code
• Translate business logic into code and automate business processes
• Perform code reviews, write unit tests
• Troubleshooting, problem-solving, and root-cause analysis to streamline project development

Requirements:

• 3+ years of commercial .NET development in a microservice environment
• Knowledge of modern .NET, 7 or 8
• Web API, ASP.NET Core, Microservices
• SQL, MS SQL, Entity Framework
• Good understanding of Docker and Kubernetes
• Strong software design fundamentals (SOLID, OOP, OOD, etc.),
• Experience with public cloud (Azure/AWS/GCP/etc.)
• Experience with Messaging or Evening (ServiceBus, RabbitMQ, EventHub, Kafka, etc.)
• REST API design, Async programming, Third-party integration.
• Being result-oriented, the ability to get things done
• Good communication skills in English, verbal and written

Would be a plus:

• Experience with microservice practices, i.e., Service mesh, Blue/Green deployments, ArgoCD, etc.
• Experience with stored procedures in MS SQL
• Experience with .NET Native AOT
• Experience with Monitoring (Azure Application Insights, Open Telemetry, etc.)
• Knowledge of functional application (Azure functions, Lambdas, etc)
• Azure Logic Apps, API Apps, AKS, Redis
• MS CRM / MS CRM Web service
• GIT / Azure DevOps

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

We are NetSolid Investments — an investment fund founded in Ukraine, with a primary focus on SMART investments. We invest not only finances but also expertise in the fields of digital marketing, IT, and traffic projects, helping young companies become leaders in their niche.

One of our key partners is SlotCatalog — an international company specializing in delivering comprehensive and cutting-edge solutions for the iGambling industry. Powered by a robust technology platform, they have successfully launched a popular online service for both casual players and industry professionals.

Today, SlotCatalog is actively growing and is looking for a CTO who is eager to develop professionally and ready to join the team in achieving ambitious goals.

We’re hiring a CTO to join us at a pivotal stage. Since inception, the technical side of the business has been led by the founder, who remains actively involved. This role is expected to take over full ownership of the technology stack and build an independent, well-structured tech function. This will be a collaborative transition, done with the founder’s full support, who is transitioning into a product role.

Responsibilities:

• Own and evolve SlotCatalog’s tech architecture
• Write and review high-quality, scalable code
• Lead and grow a lean development team of approx 10 and growing.  
• Translate business needs (SEO, traffic, monetization, advertising) into product and tech decisions
• Build internal and external-facing tools — dashboards, targeting systems, tracking, reporting
• Collaborate closely with product, marketing, and commercial functions
• Build infrastructure and processes that scale with high-volume data and traffic
• Contribute to strategic planning by aligning tech development with business objectives

Requirements:

• 10+ years of professional experience in software development
• Strong backend expertise: PHP/Laravel/Symfony, SQL/NoSQL, Cloud Services AWS 
• Familiar with modern frontend frameworks 
• Deep understanding of SEO-driven platforms, media tech, or affiliate businesses
• Knowledge of digital advertising infrastructure (tags, pixels, attribution, campaign tracking)
• Strong grasp of monetization models (CPM, CPC, CPA, RevShare)
• Experience with data automation, scraping, BI pipelines
• Solid understanding of UI/UX principles
• Excellent verbal and written communication skills in English
• Strong leadership and mentoring capability; able to build and retain a technical team
• Clear, pragmatic, business-oriented mindset
  
  Bonus Points:
• Experience in iGaming, slot games, or online entertainment
• Familiarity with AI/ML applications or experimentation
• Prior experience scaling web platforms to millions of monthly users
• Working knowledge of DevOps, CI/CD, and cloud security

We’re looking for someone with strong hands-on skills, a business mindset, and a practical approach to leadership. You should be able to move between architecture, product thinking, and execution, while gradually shaping the long-term tech strategy and team culture.
 

By joining SlotCatalog, you will enjoy:

• Full-time remote work format
• 23 calendar days of paid vacation
• Paid sick leave
• An extra day off on your birthday and public holidays
• Team buildings and other events to strengthen team spirit
• Compensation for educational materials and support for learning and skill development
• Modern equipment and all necessary tools for work

Hiring process: Recruiter call → Hard skills interview → Final interview → Job Offer!

Become part of a team that turns ideas into success! 🫰🏻

We are looking for a Middle DevOps Engineer to join our team. This role focuses on building foundational skills in cloud infrastructure, automation, and DevOps practices while contributing to team initiatives and improving developer experience. 

Responsibilities:

• Assist in building and maintaining infrastructure services supporting multiple development teams. 
• Contribute to Infrastructure as Code (IaC) implementations using established patterns and tooling. 
• Support the operation and optimization of AWS cloud infrastructure for performance and reliability. 
• Work with development teams to help integrate services and resolve operational issues.
• Participate in on-call rotations with support from senior engineers. 
• Monitor systems and assist in troubleshooting infrastructure, networking, and application issues. 
• Follow and help implement best practices for system reliability, security, and performance. 
• Document systems, processes, and changes to improve team knowledge sharing. 

Requirements:

• 2–3 years of experience in platform engineering, DevOps, SRE, or a related field. 
• Proficiency in at least one programming language. 
• Experience working with at least one Infrastructure as Code tool (e.g., Terraform, CloudFormation). 
• Familiarity with AWS and core services such as EC2, S3, and VPC.
• Foundational Linux knowledge, including basic networking and system operations.
• Exposure to monitoring and debugging systems in production environments.
• Understanding of basic networking concepts (DNS, HTTP/S, load balancing).
• Strong willingness to learn and develop skills in cloud infrastructure and distributed systems. 
• Good communication skills and ability to work collaboratively within a team.

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