Jobs at Djinni

QA Madness is a European IT service company focusing strongly on QA and cyber security. The company was founded in 2013 and is headquartered in Poland.
We are looking for an experienced General QA Engineer (Banking) to join our team and contribute to an exciting banking project. In this role, you will play a key part in developing and maintaining an automation framework while following industry best practices.

Work type: Remote. 
Technical level: Middle. 
Job category: QA. 
Project: Banking project. 
English level: Intermediate.   

Responsibilities: 
Execute automation test suite and analyze/report results; 
Manual testing with existing test cases; 
Plan and describe test scenarios for future automation in cooperation with colleagues; 
Implement new automation tests; 
Participate in team meetings to discuss task implementation details from a QA perspective; 
Create detailed testing documentation to grow the internal knowledge base; 
Search and try new testing solutions that can bring benefits; 
Look for new approaches in automation and apply best practices.

Required Skills: 
2+ years of experience working with Manual and Automation testing; General knowledge and practical experience writing web automation using JavaScript; 
Strong proficiency in TypeScript and experience with testing frameworks such as Playwright; 
Knowledge and experience working with Flexcube is desirable; Experience with web testing frameworks and tools; 
Understanding of software development processes, stages, concepts, and methodologies of Quality Assurance; 
Experience in test case development, execution and maintenance; Experience with CI/CD tools; 
Strong analytical and diagnostic skills, attention to details; 
Willingness to ask for help from colleagues and to help others; Intermediate English level; 
Working experience in the banking sector or payment systems is advantageous.

What We Offer: 
Competitive salary in USD or EUR and good compensation package (reviews on demand to ensure your compensation reflects your growth and impact); 
Corporate English courses with native speakers; 
Remote work opportunity; 
Flexible work schedule (Enjoy the freedom to start your 8-hour workday at a time that fits your schedule best, anytime between 8 a.m. and 11 a.m.); 
The ability to focus on your work: a lack of bureaucracy and micromanagement (no tracking tools).   

Steps of the interview process: 
STEP 1: Go through the screening interview with a Tech Recruiter. 
STEP 2: Interview with technical specialists. 
STEP 3: Interview with a client.   

Please note, this job is a full-time position, and it is relevant only if you meet all requirements. Any candidate who fails to meet the requirements will not be considered for the job.
 

We are looking for a Full-Stack Developer (PHP + HTML/CSS/JavaScript) to join our remote team and work on the development and maintenance of custom PHP-based web platforms.

The main focus of this role is working with custom backend logic and frontend implementation, rather than heavy framework usage. Experience with WordPress or other CMS is welcome but not mandatory.

The ideal candidate is confident in pure PHP development, understands how frontend and backend interact, and is comfortable maintaining and extending existing systems.
 

Location: Remote (Outsourced)
Domain: Adult
Employment: Full-time
 

Necessary skills:

— Strong knowledge of PHP (3+ years)
— Confident skills in HTML / CSS (2+ years)
— Practical experience with JavaScript / jQuery
— Experience working with custom PHP projects (without frameworks)
— Understanding of MySQL and basic database design
— Experience with Git
— Ability to communicate in English (B1+) for team discussions and calls
— Experience working with task trackers (Jira or similar)
 

Will be a plus:

— Experience with WordPress / WooCommerce
— Experience with any PHP frameworks (Laravel, Symfony, etc.)
— Experience with other CMS
— Basic understanding of SEO and performance optimization
— Experience working on high-load or long-term projects
 

Responsibilities:

— Develop and maintain custom PHP-based websites and platforms
— Build and improve responsive layouts using HTML/CSS
— Implement client-side functionality using JavaScript / jQuery
— Write and maintain server-side logic in PHP
— Work with existing codebase: refactoring, bug fixing, optimization
— Collaborate with the team via Jira, Git, and regular online communication
— Troubleshoot technical issues and propose practical solutions
 

Application Process:

We will review your CV and materials within five business days.
If your experience matches our needs, we’ll schedule a call to get to know each other better.
Even if we don’t move forward right away, we’d be happy to stay in touch for future opportunities.

About project

Music Apps at Gismart manages a portfolio of global music apps with nearly 500M installs — proof that mature products can still grow fast.
We challenge funnels, creatives, and assumptions to scale sustainably.

What you will do:

• Own Web2Web acquisition funnels
• Define and optimize funnel structure, messaging, and user flow to maximize CVR and LTV
• Partner with UA, Creative, Design, Product, and Engineering teams to launch and iterate funnels
• Drive checkout optimization
• Translate product features into high-performing acquisition narratives
• Define user personas and intent-based segments

• Lead A/B testing roadmap across landings, pricing, and offers

   

Key qualifications:

• 1+ years in Product Marketing, Growth, or Performance-oriented roles
• Hands-on experience with Web2Web or Web2App acquisition funnels
• Strong understanding of paid traffic dynamics (Meta, Google, TikTok, etc.)
• Proven experience improving conversion rates and acquisition efficiency
• Data-driven mindset with experience reading funnel analytics
• Experience running A/B tests at scaleStrong cross-functional collaboration skills

• Ability to prioritize experiments based on impact vs effort

   

Would be a plus (flexible requirements):

• Familiarity with Stripe, Paddle, or other web payment platforms

• Ability to build funnels in no-code tools

   

Personal qualities:

• Strong sense of ownership and accountability for acquisition results
• Highly analytical and comfortable making decisions based on data
• Structured thinker who can break complex funnels into clear, testable components

• Bias toward action with a test-and-learn mindset

   

Employee Benefits:

• Remote-First Culture: Our team is diverse and extensive, just like our product portfolio. We provide a flexible working schedule and let you work anywhere in the world, either remotely or in one of our corporate hubs.
• Сoworking Compensation: We provide 50% compensation for coworking spaces worldwide to make sure that everyone has a comfortable and inspiring workspace.
• Public Holidays Policy: Gismart observes public holidays based on the Ukrainian or Polish holiday calendars. Employees working in other locations are entitled to 12 public holidays per year.
• 100% Sick Leave Compensation
• Mental and Physical Health: To help you stay happy and healthy, Gismart will partially cover your medical insurance, sports activities, therapy costs.
• Personal Equipment Policy: Of course, we’ll provide you with all the equipment you need or cover the maintenance cost for your own tools.
• Personal Learning and Development: We love to see you learn and grow, so Gismart will cover 70% of your professional development courses. We’ll also pay for 100% of corporate English courses.
• Time-Off Policy: Every employee gets 18 working days of paid vacation and 3 personal days per year, with an extra day added for each year at Gismart.
• Corporate Events: We are remote-first, but we love meeting up in person. Whenever possible, we organize corporate events and team-building activities across all Gismart hubs.

Bulls Media is looking to hire a strong BI developer and data analyst.

The role involves both data analytic and technical skills : gathering data , developing tools and dashboards,  evaluating data and sharing findings that affect business decisions. 

Responsibilities:

• Working with different company departments and setting business requirements for BI tools
• Translating business requirements into technical ones
• Suggesting technical options to meet the requirements and creating an BI architecture. Providing time estimation
• Leading and executing BI software development, deployment, and maintenance: 
  • Creating Power BI reports based on client requirements 
  • Taking data from different data sources : databases, internal and external API, google sheets and more
  • Developing different visualization levels and dashboards
  • Maintaining and optimizing existing reports
  • Ensuring data correctness
  • Testing reports of other BI developers
• Creating technical documentation for BI tools
• Evaluating data, collating findings relevant to the business, and sharing them in a manner that can bring about an effective change in a business:
  • Breaking down key business data: gather, clean, and analyze data
  • Interpreting the data: Find patterns or see areas in the data that signal a potential for improvement in business practices
  • Sharing findings:visualizing data in graphs and charts, recommendations to improve or grow the business based on their findings.

Required Skills/Abilities:

• At least 2 year experience in a BI developer & data Analyst role
• Experience with PowerBI including a good knowledge of DAX
• Deep knowledge of SQL Databases and SQL script optimisation
• Good knowledge of excel / Google sheet (formulas)
• Basic knowledge of Python
• Non relational database - advantage
• Advanced analysis and problem solving skills
• Attention to detail
• The ability to work both as a team player and independently
• Ability to multitask in a fast-paced environment
• Self learning abilities

What We Offer:

• 21 days of paid Leave per year.
• 7 days of sick Leave annually.
• English-speaking Clubs.
• Corporate Events and team buildings.
• Long term cooperation.
• Performance review once a year
• Health insurance.
• All necessary technical equipment provided.
• 4 days work on-site in comfortable office and 1 day fully remote.

Steps of the hiring process:

• Recruitment interview.
• Technical interview.
• Test task.
• Final interview with CTO.

Project Tech Stack

NestJS / React / PostgreSQL / AWS

Key Responsibilities

• Being a team player
• Implement new functionality and refactor existing codebase
• Continuously improve unit test coverage and overall quality of codebase
• Participate in brainstorming sessions with team about feature and process improvements
• Participate in root cause analysis and work closely with BA, QA and other Devs to resolve identified defects

• Stay up-to-date with emerging technologies, industry trends, and best practices related to software development

   

Requirements

• 2+ years experience with Node.js (NestJS, Express, GraphQL)
• 2+ years experience with React.js (Apollo)
• Strong TypeScript skills
• Knowledge and understanding of ES6+, Vite/Webpack, ESLint
• Strong experience with PostgreSQL
• Experience using TypeORM
• CI/CD pipeline configuring experience
• Git and code review skills
• Ukrainian: Proficient (must have)
• English: intermediate+ (both speaking and writing)
• Strong analytical and problem-solving skills, able to debug complex issues and provide effective solutions
• Collaborate with cross-functional teams, including developers, QA engineers, and BA, to understand software requirements and develop comprehensive solutions
• Knowledge of TDD, BDD

Nice to Have

• Experience working with WebSockets/Socket.io
• Bachelor’s degree in Computer Science/Engineering

What We Can Offer

• Full-time and long-term position
• Flexible Schedule with remote work options
• Competitive compensation
• Opportunity to grow in a product company
• Freedom for creativity

We’re looking for an energetic and organized Marketing Manager to support our marketing activities across two products. This is a role for someone who is eager to grow, enjoys dynamic work, loves coordinating projects, and feels confident turning ideas into clear, structured execution.

WHAT DRIVES US:

✨ Clients First – Their success is our top priority. ✨ Ownership – We take responsibility and follow through until the job is done.

✨ Flexibility – We value people who think flexibly and stay open to new ways of doing things.

✨ Growth Mindset – We learn, innovate, and welcome new ideas.

If these values sound like you, chances are you’ll thrive in our team.

MAIN RESPONSIBILITIES:

• Collaborate with CMO and execute marketing activities according to the plan.
• Coordinate tasks between SMM, designers, copywriters, and external contractors.
• Monitor marketing performance and prepare monthly reports.
• Manage content schedules, track progress, and ensure timely delivery.
• Work on social media activities, PR tasks, and partnerships.
• Coordinate and manage preparations for offline conferences and industry events.

• Participate in brainstorming and contribute ideas for content and promotions.

   

WHAT YOU BRING:

• 1,5+ years of experience in marketing.
• Understanding of digital marketing tools and analytics.
• Initiative, creativity, willingness to develop within the company.
• Experience with AI tools.
• Hands-on experience in any specific marketing area would be an advantage.
• Good communication and organizational skills.
• English level: Upper-Intermediate.

WE OFFER:

🌍 Remote work from anywhere

⏰ Full-time

🌴 Unlimited paid vacation days

🤒 10 paid sick days

🗣 English classes

📚 Take part in conferences worldwide

🎁 Presents from the company

We are a fast-growing start-up in the social discovery niche with a premium transactional marketplace that helps users around the globe connect. Our platform has already found its well-deserved place in the niche by focusing on tech innovations like AI, unconventional approaches to Users, and meticulously created algorithms.

We are looking for a Reputation Moderator who will join and strengthen our team. A well-coordinated, experienced team of 20+ people has a successful experience of creating businesses aimed at adults.
 

Main Responsibilities:

• Moderating and tracking reviews across various platforms (TrustPilot, Sitejabber, etc.);
• Improving the company’s ratings on review platforms;
• Establishing a positive online presence on the first page of Google search results and in major language models (e.g., ChatGPT);
• Analyzing reviews to identify potential risks and opportunities for brand improvement;

• Using reputation management tools (Google Alerts, Trustpilot, Sitejabber).

   

Requirements:

• Proven experience in content or review moderation (handling user reviews, comments, and ratings across various platforms).
• Fluent English (B2+);
• Ability to respond diplomatically to negative feedback;
• Strong understanding of online reputation management principles and customer communication tone;
• Proficiency with reputation monitoring tools;

• Basic data management and reporting skills (Excel/Sheets, Notion).

   

Nice to Have:

• Knowledge of SEO and SERM (Search Engine Reputation Management) principles;
• Experience with reputation or social listening platforms;

• Experience in writing or optimizing responses to reviews in app stores or on social media platforms

   

We Are Looking For:

• Self-motivated individuals who can organize processes and work on improving reputation management;
• People with high empathy who are eager to learn and grow in this field;
• Team players who can effectively collaborate with various departments (support, marketing, product).
   

What do we offer?

• Ability to grow professionally along with a company growth;
• Flexible schedule;
• Feedback-driven and open-minded culture and fair recognition of strong contributors to the company’s success;
• Minimum bureaucracy and maximum independence

Zultys is seeking a highly motivated and skilled Build Engineer to join our software development team. The ideal candidate will play a key role in supporting and maintaining our continuous integration/continuous delivery (CI/CD) systems, source control systems, and various builds.

Responsibilities:

· Build and maintain our continuous integration/continuous delivery (CI/CD) systems

· Expanding build infrastructure and provision new build machines

· Take care of source code migration between different version control systems

· Working on build system optimization and improvements

Technical requirements:

· Bachelor's degree in Computer Science or a related field.

· Minimum 5 years of experience in a similar role.

· Experience with CI/CD tools (Jenkins, GitHub).

· Strong scripting experience (Bash, PowerShell, Perl, Python, Groovy).

· Experience with source control systems: Perforce, GitHub, Git.

· Good understanding of Build and Release workflows.

· Excellent written and verbal communication skills.

· Industry experience in Build and Release, Continuous Integration or DevOps fields

· Proven scripting knowledge in Python, Bash, Groovy

· Familiar with build tools such as git, Jenkins

· Familiar with Linux, OSX, and Windows operating systems

· Experience with Windows and Linux build machine provision.

· Experience building docker-based containers

Optional Requirements (Good to have):

· Understanding of make and CMake.

· Familiarity with the C++ development process and experience working in a C++ development environment.

· Proficiency in Windows and Linux Package creation: RPM, InstallShield, Visual Studio, make, CMake.

· Expertise in Windows-based installers using InstallShield.

· Knowledge of MacOS and Android builds based on Qt, React.

· Familiarity with MacOS installers.

· Experience with infrastructure automation using tools such as Ansible, Packer, Vagrant, and Terraform.

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!
 

Responsibilities:  

• Go through the software requirements and get clarifications on one's doubts.  
• Become familiar with the software under test and any other software related to it.  
• Understand the master test plan and/or the project plan.  
• Create or assist in creating own test plan.  
• Generate test cases based on the requirements and other documents.  
• Procure or create test data required for testing.  
• Test software releases by executing assigned tests (manual and/or automated).  
• Deliver releases to production using CI/CD tools  
• Report test results.  
• Update test cases based on the discovered defects.  
• Support the team with testing tasks as required.  

• Keep himself / herself up-to-date on the overview of the development technology, the popular testing tools (e.g. automated testing tools and test management systems) and the overview of the business domain. 

   

Skills Required:  

• Working as Quality Assurance Engineer for 5+ years.  
• Good experience in Manual Testing of Web applications with the main focus on backend part of the software.  
• Hands on experience of API testing using Postman or other similar tools.  
• Good knowledge and practical experience with Git. Experience with Gitflow usage will be a plus.  
• Practical experience with microservices  
• Good knowledge of the client-server architecture and communication. 
• Advanced skills in requirements analysis.  
• Good knowledge and practical experience working with SQL.  
• Deep understanding and experience in software development life cycle.  
• Excellent skills of reading and analysing logs to identify root cause of a defect.   
• Ability to prioritise test cases based on risk analysis.  
• Intermediate English level.  

• Strong proactiveness and communication skills.   

   

Will be a plus:  

• Knowledge and experience with message brokers like RabbitMQ or Kafka.  
• Experience with Kubernetes 
• Gaming applications expertise.  
• NoSQL experience  

• Knowledge and experience in writing Automation tests (Selenium, JUnit or TestNG frameworks).

   

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

We are looking for an Internal Auditor to strengthen financial transparency, risk management, and internal controls across a group of companies.

This is a hands-on role with broad exposure to operational, financial, and analytical aspects of the business. You will work closely with finance teams and C-level stakeholders of portfolio companies, owning audit processes end-to-end and driving real improvements, not just reporting issues.
 

Responsibilities

• Plan, perform, and manage internal audits across a portfolio of small, medium, and large companies
• Maintain a holistic view of audits, covering operational, financial, and risk-related areas
• Review and assess internal controls and business processes to identify gaps, risks, and inefficiencies
• Prepare and review financial statements in accordance with IFRS (when required)
• Work closely with finance and accounting teams of portfolio companies
• Communicate audit findings and recommendations to management and C-level executives
• Develop clear, actionable recommendations to improve processes and mitigate risks
• Participate in the development and improvement of internal audit methodologies
• Lead, mentor, and support junior team members
• Handle additional financial and analytical tasks as needed
   

Requirements

• 4+ years of experience in internal audit or external audit
• Experience in IT and/or iGaming will be a strong advantage
• ACA or ACCA qualification (fully or partially qualified)
• Solid knowledge of IFRS and auditing standards (ISAs)
• Strong analytical mindset and attention to detail
• Proficiency in Microsoft Office (Tableau experience is a plus)
• English — B1+ (written and spoken)
• Fluent Ukrainian and Russian
• Strong communication and stakeholder management skills
• Ability to work under pressure and meet deadlines
   

First 90 Days Goals

• Complete onboarding and gain a clear understanding of portfolio companies and their structures
• Perform audits of selected entities and identify key risk areas
• Build strong working relationships with finance teams and management
• Deliver clear, practical recommendations with measurable impact
   

What We Offer

• Competitive compensation with performance-based incentives
• Health insurance compensation
• 21 paid vacation days per year
• 25 paid sick days (no doctor’s note required)
• 3 additional paid personal days annually
• Partial reimbursement for psychological support sessions
• $600 annual education budget
• Paid business trips to Cyprus HQ
• Transparent processes, autonomy, and trust — no micromanagement

Dynamica Labs invites a Customer Success Specialist for the implementation of Microsoft Dynamics 365 CRM system to our clients. This position is ideal for those looking to switch to IT, or those currently working in client-facing roles such as QA, BA, PM, Technical Support Specialist or similar. We also consider candidates without commercial experience in an IT company. We provide comprehensive training for transitioning into this role. 
 
Successful candidates can advance to positions such as Customer Success Manager (CSM), Senior Customer Success Manager, Solution Architect, or Senior Functional Consultant. 

 FUNCTIONAL RESPONSIBILITIES: 

• Participation in projects for the implementation of Microsoft Dynamics 365 CRM system. 
• Interaction with the development department in terms of writing tasks for system customization, controlling deadlines and quality of execution. 
• Configuring the Microsoft Dynamics 365 CRM system to fit the client's business processes. 
• Building strong relationships with clients to ensure excellent service levels. 
• Meeting deadlines and reporting on completed work.
   

    WHAT WE EXPECT FROM YOU: 

• Higher education 
• Desire to continuously learn new things 
• Technically savvy 
• English language proficiency at the upper-intermediate level or higher 

 
    WOULD BE A PLUS: 

• Higher education in technical or economic fields 
• Experience working in an IT company 
• Experience as a PM or project management courses 

 BENEFITS:  

• A London based company, Microsoft Gold Partner - Business system integrator 
• UK and US based clients only 
• Opportunities for self-realization, professional and career growth 
• Skilled management and mature processes 
• Interesting and diverse projects 
• Friendly team 
• Transparent payment system 
• Flexible work schedule, remote work 
• Paid public holidays, annual leave, sick days 
• Guidance, mentoring and training for Dynamics Sales and Marketing, HubSpot, ClickDimensions, MS PowerApps 
   
  Check out this video to learn more about the position:
  https://www.youtube.com/watch?v=gsM6z-38daI
   

If you have a desire to work in a dynamic team and develop in the field of Microsoft Dynamics 365, we look forward to seeing your CV! 

Growth Lead – Inmate Photos

Inmate Photos is looking for a hands-on Growth Lead to take full ownership of our revenue-generating engine. Currently, the CEO manages Apple Search Ads, and we have various contributors for other channels. We need one high-level operator to centralize, manage, and scale these efforts with a relentless focus on Contribution Profit.

This is not a "manager" role where you oversee agencies; this is an execution-first role. You will be in the dashboards daily, optimizing bids, tweaking email flows, and launching experiments.

Location: Remote (Ukraine)

Reporting to: CEO & CTO

KPI: Contribution Profit (Revenue – Ads – Fees – Fulfillment)

What You Will Own

• Paid Acquisition: Daily management and optimization of Apple Search Ads (ASA), Google Ads, and Meta Ads.
• Lifecycle Marketing: Owning the Klaviyo (Email), SMS, and Push notification strategy to increase LTV and retention.
• Experimentation: Running 2–4 "Growth Sprints" per week (testing new creatives, landing pages, or onboarding flows).
• The Tech Stack: Managing attribution accuracy via AppsFlyer and GA4 to ensure we know exactly where every dollar is going.
• Secondary Growth: Overseeing App Store Optimization (ASO) and Custom Product Pages (CPP) to lower our Customer Acquisition Cost (CAC).

The Ideal Profile

• The "T-Shaped" Marketer: You have deep expertise in Paid Ads (Performance) but are also highly competent in Lifecycle/Retention marketing.
• Data-Obsessed: You don't make moves based on "gut feelings." You live in spreadsheets and analytics dashboards.
• High Agency: You don't wait for the CEO to tell you what to test. You come to the weekly meeting with a list of what you've already launched.
• Ukrainian Tech Expert: You understand the remote work culture and have a track record of working with international startups.

Requirements

• 3+ years of hands-on experience in mobile app growth.
• Mastery of AppsFlyer (or Adjust/Branch) and GA4.
• Direct experience managing 5-figure monthly spends across Meta, Google, and ASA.
• Experience with Klaviyo or similar sophisticated lifecycle tools.
• English Level: B2 or C1 (Fluent business communication).

Why Join Us?

• Direct collaboration with the founding team.
• A "no-red-tape" environment where you can ship experiments fast.
• Competitive salary in USD.
• 15 days of paid time off + flexible remote work.

Join Us in Building the Future of Inventory Services!
Are you ready to help develop a cutting-edge platform of APIs and web applications that power one of our Partner’s most critical business areas? Do you thrive in a team of dedicated professionals working toward a common goal with clarity and purpose?
About Our Partner
Our Partner is a leading fashion specialty retailer, founded on a simple yet powerful idea: provide each customer with the best possible service, quality, value, and selection. Delivering exceptional customer service goes beyond the sales floor—it requires a talented team with diverse skills to continuously enhance the systems and processes that serve customers.
About Our Team
We are the Inventory Services (Inventory Operations) Team, responsible for building and maintaining applications and services that drive our Partner’s Enterprise Inventory Service systems. Our work is a key part of the customer experience, ensuring seamless inventory management across multiple markets and channels.
We build new features and experiences using:

• Java Spring Boot
• AWS & Google Cloud Platform (GCP)
• Message Streaming Technologies (Kafka, etc.)
• Containerization & Orchestration (Docker, Kubernetes)

We operate in an agile, collaborative, and innovation-driven environment, where developers take full ownership throughout the software lifecycle.
Who We’re Looking For
We are seeking passionate engineer to bring technical expertise to our projects and production systems. As part of our team, you will:

• Own the entire development process – from scoping and design to coding and deployment.
• Investigate and resolve issues proactively, ensuring efficiency and scalability.
• Develop and maintain cloud-native applications, leveraging AWS or GCP.
• Champion best practices in SOLID principles, Test-Driven Development (TDD), and Behavior-Driven Development (BDD).
• Automate everything – because manual work is not the future.
• Challenge the status quo – if you hear, “It’s always been done this way,” you’ll be the one asking why.
• Contribute to open-source projects, expanding your perspective and skills.
• Deliver high-quality, maintainable code, balancing creativity with discipline.

Why Join Us?

• Work on high-impact projects that directly enhance customer experience.
• Collaborate with a highly skilled and driven team in a fast-paced, innovative environment.
• Gain hands-on experience with cutting-edge technologies in cloud computing, microservices, and DevOps.
• Take on meaningful challenges that push your technical and problem-solving skills to the next level.

Responsibilities

• Design & develop innovative solutions to drive our Partner’s business. 
• Have a passion for writing clean, consistent, and elegant code to create scalable and reliable systems
• Contribute towards moving the team forward in leading edge processes like continuous integration, continuous delivery, cloud migration and test-driven development
• Work with defect tracking, source code control and software release systems to ensure high-quality software releases over time
• Assist in peer code reviews and provide constructive feedback
• Contribute to the design and development process as part of a SCRUM team.
• Transition from application development to support as needed to ensure that appropriate support is available in a timely and efficient manner.
• Drive build and release plans and implementation of all actions required to deploy applications to production environment.
• Assist development manager with planning, analysis and definition of high-level software strategies and solutions through functional knowledge and an understanding of the enterprise business systems and industry.
• Have a passion for keeping yourself current with industry trends and new technologies and ability to apply trends to architectural needs
• Ensure corporate policies and industry best practices are observed and followed in developed applications.
• Provide high-level analysis and design reviews to other members in department to avoid duplication of efforts in solving same application problem with different products.
• Participate in rotating 12x7 shifts to support developed products
• Work with business, infrastructure and security teams on delivering any enhancements and bug fixes for production systems

Skills Required

• 4+ years of professional experience in the practice area 
• Bachelor’s or Master’s degree in CS, Engineering or equivalent practical experience 
• Experience analyzing, designing, coding, testing, installing and maintaining complex software programs
• Knowledge of Java and Java Springboot framework. Knowledge of other programming languages (like Python, React , JavaScript, C#) is a plus 
• Our systems are built with a variety of technologies; therefore, applicants should have a strong grasp of multiple tech stacks 
• Experience with Backend Database (preferably Spanner) or NoSQL or Postgres databases
• Experience with RESTful architecture and microservices. JSON and XML is required
• Experience with Amazon AWS/GCP services is required
• Familiarity with containerization technologies (Kubernetes, Docker) and modern development practices and development lifecycle using Scrum, Kanban, Lean, or other agile methodologies
• Familiarity with CI/CD and testing tools
• Familiarity with messaging middleware (Kafka, SQS)
• Experience with writing services as well as consuming services using REST, SOAP, XML, JSON or any combination
• Emphasis on building metrics into the system and providing visibility on uptime and performance via real-time alerting, reporting, and dashboards
• Sound object-oriented design skills and knowledge of application design patterns 
• Experience working with diverse, collaborative, cross-functional teams
• Strong verbal and written communication skills with the ability to persuade inspire and motivate others. This includes communicating technical information to non-technical audiences
• Experience with Retail Backgroud is a plus 

• Highly self-motivated and directed

  Must-have skills:

  • Java
  • Spring Boot
  • Spanner/SQL/NoSQL databases
  • RESTful architecture & microservices
  • Intermediate level of English

  Nice-to-have skills:

  • AWS/GCP
  • Kubernetes
  • CI/CD
  • Testing tools
  • Kafka, SQS
  • Experience with alerting and reporting tools

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 a React Native Developer ⭐️ to join our fast-growing IT outsourcing company. We’re expanding our strong web development team and building a brand-new mobile development department.

For a perfect match, we expect  🎯

• 1.5+ years of commercial experience with React Native
• Strong knowledge of JavaScript, ES6+, TypeScript
• Hands-on experience with REST API and WebSockets
• Solid understanding of the React Native lifecycle (including state management, component lifecycle, and virtual DOM)
• Hands-on experience with Expo Go
• Experience with Redux, MobX, or similar
• Experience with Git, CI tools, Firebase, Google Cloud
• Practical experience with App Store Connect and Google Play Console
• English level B1+ or higher

Nice to have 💎

• Experience with Flutter
• Experience working with both iOS and Android platforms
• Experience in testing (Unit Testing, Integration Testing)
• Experience in developing applications with Bluetooth/Wi-Fi connectivity to other devices
• Experience with animations (Reanimated, React Native Skia)

Duties & Responsibilities 💼

• Develop and enhance mobile applications using React Native
• Participate in all stages of development, from concept to release
• Optimize application performance
• Collaborate with designers, backend developers, and other team members
• Integrate APIs and third-party libraries

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 — Tech Interview — СТО 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 

About Everstake
Everstake is the largest decentralized staking provider in Ukraine and one of the top 5 blockchain validators worldwide. We help institutional and retail investors participate in staking across more than 85 blockchain networks, including Solana, Ethereum, Cosmos, and many others. By building secure, scalable, and reliable blockchain infrastructure, we support the growth of the global Web3 ecosystem and enable the adoption of decentralized technologies worldwide.
 

About the Role
We are looking for a Head of Data Science to own and scale Everstake’s data science and analytics function. This is a hands-on leadership role with a strong technical focus. You will define the data science direction, lead senior-level engineers, and work closely with the CDO, product, engineering, and business teams to drive data-informed decisions across a complex Web3 infrastructure.
You will be responsible not only for analytics and modeling, but also for data architecture, orchestration, performance, reliability, and engineering standards in a fast-growing blockchain environment.

Key Responsibilities:

• Own and evolve data science and analytics architecture across Everstake
• Design and maintain scalable data pipelines, metrics layers, and analytical models
• Lead technical decision-making across data platforms, BI, and orchestration
• Translate blockchain, product, and business problems into clear data solutions
• Define data standards, best practices, and development guidelines
• Review code, data models, and pipelines for quality, performance, and correctness
• Mentor senior data scientists and analysts, provide technical leadership
• Partner closely with product, backend, infrastructure, and finance teams
• Ensure data reliability, observability, and correctness in production
• Actively contribute hands-on where technical depth is required

Requirements (Must-Have):
Seniority & Leadership

• 6+ years of professional experience in data-related roles
• Strong experience as a Senior / Lead Data Scientist or Analytics Engineer
• Proven ability to lead technically strong teams and initiatives
• Ability to balance hands-on execution with leadership responsibilities

Core Technical Skills

• Python — expert level (data processing, analytics, modeling, production code)
• Apache Airflow — 2–3+ years of hands-on experience
   (DAG design, dependencies, retries, backfills, monitoring, failure handling)
   

Databases & Warehouses

• ClickHouse (performance tuning, large-scale analytics)
• PostgreSQL
• Snowflake

BI & Analytics

• Power BI and/or Tableau
• Strong understanding of semantic layers, metrics definitions, and data modeling 

Infrastructure & Observability

• Docker
• Git
• Grafana (monitoring data pipelines and platform health)
   

Data & Systems Thinking

• Strong understanding of data modeling (facts, dimensions, slowly changing data)
• Experience designing KPIs and metrics that actually reflect business reality
• Ability to identify incorrect assumptions, misleading metrics, and data biases
• Experience working with high-volume, high-frequency, or near–real-time data
• Strong SQL skills and performance-oriented thinking

Blockchain / Crypto Domain (Required)

• Practical experience in blockchain, crypto, or Web3 products
• Experience working with blockchain-derived datasets or crypto-financial metrics
• Ability to reason about probabilistic, noisy, and incomplete on-chain data
• Understanding of: Blockchain mechanics (validators, staking, rewards, transactions)
• Wallets, addresses, and transaction flows
• On-chain vs off-chain data

Soft Skills:

• Systems and critical thinking
• Strong communication skills with technical and non-technical stakeholders
• Team-oriented mindset with high ownership and accountability
• Fluent English (B2+ or higher)

Nice-to-Have:

• Experience in staking, DeFi, or blockchain infrastructure companies
• Background in analytics engineering or data platform teams
• Experience building data systems from scratch or scaling them significantly
• Familiarity with financial or yield-related metrics
• Experience working in globally distributed teams

What We Offer:

• Opportunity to work on mission-critical Web3 infrastructure used globally
• Head-level role with real influence on data and technical strategy
• Fully remote work format
• Competitive compensation aligned with experience and seniority
• Professional growth in a top-tier Web3 engineering organization
• Strong engineering culture with focus on quality, ownership, and impact