Jobs at Djinni
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· 278 views · 61 applications · 29d
QA engineer Manual / Middle to $1400
Full Remote · Countries of Europe or Ukraine · Product · 3 years of experience · B1 - IntermediateWe, the American company - Plexsupply, Inc., one of the top 200 largest sellers on Amazon, are looking for QA Engineer Manual / Middle. Requirements: Proven experience as a Software Tester, with a focus on manual testing. Familiarity with version...We, the American company - Plexsupply, Inc., one of the top 200 largest sellers on Amazon, are looking for QA Engineer Manual / Middle.
Requirements:
- Proven experience as a Software Tester, with a focus on manual testing.
- Familiarity with version control tools such as Git and Bitbucket.
- Experience using Jira for defect tracking and project management.
- Hands-on experience with Postman for API testing.
- Basic understanding of HTML, JavaScript, and MySQL.
- Strong analytical and problem-solving skills.
- Excellent communication and collaboration skills.
- Detail-oriented with a commitment to delivering high-quality software.
English language level B1 or higher.
It will be an advantage:
- Knowledge or basic experience in test automation.
The company offers:
- Remote work format
- Work schedule: M-F from 16:00-01:00 (Kyiv) as the head office is located in New Jersey USA
- Salary in USD$
- Paid holiday 20 days per year
- Work with a time tracker
- Opportunity to work in an international company
If you are interested in the vacancy and the opportunity to develop in an international company with cool specialists and people, I am waiting for your CV!
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· 262 views · 61 applications · 26d
Middle Front end developer (Angular) to $2500
Full Remote · Ukraine · Product · 3 years of experienceТехнології: - 3+ years experience in web development; - Good Knowledge of Javascript (AngularJS 1.6 / Angular 7-9), DOM, CSS (SASS) and HTML; - Expert knowledge, confidence, and efficiency in debugging issues; - Ability to find and evaluate multiple...Технології:
- 3+ years experience in web development;
- Good Knowledge of Javascript (AngularJS 1.6 / Angular 7-9), DOM, CSS (SASS) and HTML;
- Expert knowledge, confidence, and efficiency in debugging issues;
- Ability to find and evaluate multiple solutions to a given problem and apply working fixes;
- Experience with Git;
- In-depth knowledge of broader Web Application architecture topics, such as:
- HTTP spec (common headers, response statuses, etc...)
- JWT tokens
- CORS, XSS, CSP
- In-depth knowledge of REST
- Overall knowledge of CI/CD
- In-depth knowledge of Static code analysis and code quality
-Use JIRA bug-tracking system, Time Tracker
Обов"язки:
Implementation of new features of company projects in a timely and professional manner
Close cooperation with project team members
New features development
Perform other related duties as required
Наша команда розробки на данний час складається з 18 спеціалістів PO,PM,BA, 4 back-end dev, 4 front-end dev, QAteam, UI/UX Designer та ми постійно ростемо!
Про проєкт:
H24.ua is a medical information service of cloud storage, online processing and secure exchange of medical information in real time for patients and health care workers.
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· 30 views · 6 applications · 9d
Influencer Marketing Manager
Full Remote · Worldwide · 1 year of experience · B2 - Upper IntermediateWe are looking for an ambitious and result-driven Influencer Marketing Managers to join our teams on Fintech and iGaming and Software to help us develop our client portfolio and lead advertising campaigns for our clients with bloggers around the...We are looking for an ambitious and result-driven Influencer Marketing Managers to join our teams on Fintech and iGaming and Software to help us develop our client portfolio and lead advertising campaigns for our clients with bloggers around the world.
RESPONSIBILITIES:
- Plan, launch and process communication with influencers, collect prices and statistics from bloggers;
- Lead the client’s advertising campaigns in accordance with the approved strategy;
- Launch advertising campaigns on YouTube, Twitch, Instagram, TikTok platforms within specified budgets;
- Conduct negotiations with bloggers to maximize the efficiency of cooperation;
- Maintain business correspondence in English and Russian, including emails and keeping the contact with bloggers;
- Plan and manage tasks6, meet deadlines for advertising campaigns;
- Propose creative ideas for advertising integration with bloggers, content analysis and advertising scenarios;
- Manage the process of signing contracts and other documents;
Communicate with clients conduct strategic and operational calls;
REQUIREMENTS:
- At least 1 year of Experience working at Influencer Marketing;
- Experience in launching advertising campaigns in geos (Eng Tier-1 / EU / LatAm / MENA / Asia);
- English (from B2), additional languages will be a plus;
Ability to manage advertising campaigns with bloggers with positive ROI, analyze the results of ad launches.
We are looking for an ambitious and result-driven Influencer Marketing Managers to join our teams on Fintech and iGaming and Software to help us develop our client portfolio and lead advertising campaigns for our clients with bloggers around the world.
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· 39 views · 9 applications · 26d
Product Owner (Gambling)
Full Remote · Worldwide · Product · 3 years of experience · B1 - IntermediateWe are an iGaming company with over three years of experience and a team of more than 1000+ specialists. Our achievements include 8 major projects that are popular among our clients and successfully operate in Tier 1-3 countries. The company attracts...We are an iGaming company with over three years of experience and a team of more than 1000+ specialists.
Our achievements include 8 major projects that are popular among our clients and successfully operate in Tier 1-3 countries.
The company attracts and values highly qualified specialists, which allows us to efficiently build processes and successfully expand our presence in new locations.Join the team that launches new projects in various markets and shapes the future of the iGaming industry.
What experience is important to us:
- Casino Product manager experience of at least 3 years, total experience 4+ years;
- Analytical skills and knowledge of the main casino metrics (GGR, NGR, RTP, RR, C2R/R2D, LTV, Bonus Cost/Rate);
- A/B analysis skills, Google Analytics, Hotjar, Power BI;
- Experience and understanding of UX/UI design;
- Excellent knowledge of the market and competitors (Tier-1/3);
- Launch of casino bonus policy;
- Experience in product management, including development of roadmaps, design management and successful project launches;
- Ability to generate reports, analyze product metrics and generate reports;
Strong communication and interpersonal skills to work successfully with team and stakeholders.
What you will do:
- Management of the (Tier-1/3) Product Managers team;
- Control of the creation of a promo calendar on projects;
- Analysis of the passability and popularity of all deposit payment methods;
- Control of all key product metrics;
- Analysis of already working functionality, finalizing it, identifying successful cases for launching successful functionality on flagship projects;
- Development of mockups, new products, for designers and developers;
- Compilation and maintenance of the backlog of project tasks. Setting and actualizing priorities;
- Analysis of competitors and study of new casino functionality;
Analysis of the effectiveness of the bonus system;
Why you should join us:
- We work remotely: Mon-Fri, from 10:00 to 19:00 (GMT+3) – save time by avoiding commuting.
- Work equipment – everything you need for your productivity and comfort.
- Paid vacation and sick leave – we care about your health and timely rest. Additionally, you will have a day off in honor of your Birthday.
- Cool creative gifts for holidays and events – we know how important it is to delight our employees on special occasions.
- Competitive salary – your contribution will be properly valued.
- Participation in company internal events – knowledge exchange among colleagues and enhancing your expertise.
- Freedom from micromanagement and rigid hierarchies – we make decisions quickly, and you can always reach out for advice directly from any team member.
- Referral program in the company – build a dream team with us and receive nice bonuses.
- 100% guaranteed professional development and acquisition of new skills.
As a team, we are constantly striving to be the best among our competitors! We offer a dynamic, forward-thinking work environment within a profitable company. We recognize that our specialists and managers are crucial to our success and are always ready to support their initiatives.
Join the best! 🚀
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· 19 views · 4 applications · 18d
Senior User Acquisition Manager
Full Remote · Worldwide · 4 years of experience · B2 - Upper IntermediateWe are a media buying agency with 6+ years of experience: $1M+ monthly spending Running Web & In-App traffic for Android/iOS Planning to launch Google / Meta / TikTok buying Our own mobile apps (Android/iOS) with ad monetization In-house...We are a media buying agency with 6+ years of experience:
💰 $1M+ monthly spending
📱 Running Web & In-App traffic for Android/iOS
🧠 Planning to launch Google / Meta / TikTok buying
🤖 Our own mobile apps (Android/iOS) with ad monetization
👩💻 In-house production: scripts, art, motion, landing pages
📌 Planning to automate routine creative processes (testing, uploading, pausing)
📊 Proprietary antifraud systems and auto-bidders
📎 Direct collaboration with founders with 15+ years of experienceRequirements:
🔸 Senior+ UA specialist in In-App
🔸 Strong knowledge of Mintegral, AppLovin, Unity, IronSource, Liftoff, etc.
🔸 Proven experience scaling campaigns from scratch
🔸 Proficiency with Appsflyer / Adjust / AppMetrica
🔸 Experience with ad, hybrid, and subscription monetization
🔸 Ability to adapt strategies for each source, GEO, and audienceResponsibilities:
▪️ Define the strategic direction of UA and identify new growth opportunities
▪️ Quickly explore new traffic sources, evaluate potential, and integrate them into workflows
▪️ Search for and scale new sources (TapJoy, Adjoe, MiAds, Kwai, etc.)
▪️ Optimize media buying and improve efficiency of current channels
▪️ Test hypotheses, identify growth points, and optimize creative performance
▪️ Lead and mentor a team of traffic managers
▪️ Manage and optimize budgets starting from $1M+ monthlyNice to have:
🔸 Experience with alternative sources (TapJoy, Adjoe, MiAds, Kwai, etc.)
🔸 Experience with Web/Social/Google traffic
🔸 Experience managing and scaling a UA teamWe offer:
▪️ Proprietary applications in the crypto and utility categories (Android/iOS) with advertising monetization
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▪️ Working with large budgets — $600–700K+/month
▪️ We will add to your stack: skills in effective CPI purchasing with large budgets, thanks to real-time managed bidding via API and auto-optimization
▪️ Our own anti-fraud solutions and auto-bidders — all through analysts
▪️ No time wasted on routine tasks — a separate team takes care of launching and running advertising campaigns
▪️ Creative in-house team — scriptwriters, artists, and motion designers do everything quickly and on task
▪️ Work under the guidance of an expert with over 10 years of experience.
▪️ Remote format of interaction.
▪️ Schedule: 10:00 a.m. to 7:00 p.m. Cyprus time.
▪️ 20 working days of vacation and paid sick leave.
▪️ Salary from $5000 (depends on seniority level)
▪️ We work according to the Cyprus holiday calendar.
▪️ Probationary period is 3 months.
▪️ The team consists of strong specialists. We value initiative, responsibility, teamwork, and the desire for growth. -
· 138 views · 55 applications · 16d
Senior Full-Stack Developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B2 - Upper IntermediateIf you would love to operate in an agile team that’s known for efficient decision-making processes and contribute to its success with your outstanding Javascript skills - right me back, do not hesitate Basically, your duties will be: • Conceptualize...If you would love to operate in an agile team that’s known for efficient decision-making processes and contribute to its success with your outstanding Javascript skills - right me back, do not hesitate
Basically, your duties will be:
• Conceptualize and implement high-quality features, diagnose bugs, and provide effective solutions
• Develop our REST APIs
• Optimize existing backend code and database queries for performance, testability, and scalability
• Cooperate with the local and international agile development team
• Design and implement new features
• Utilize AWS services (Lambda, Transcribe, S3)
Requirements:
• Strong knowledge and experience in Node.js and React.js.
• Familiarity with Next.js and MobX for state management.
• Proficiency in AWS services (Lambda, Transcribe, S3).
• Experience with GraphQL and RESTful API design.
• Strong skills in using PostgreSQL and Redis.
• Spoken English for effective communication.Bonus points for:
• Knowledge of ffmpeg for media processing.
• Experience integrating ChatGPT or other AI tools.
What We Offer:
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• A unique opportunity to work in a fast-moving, international scaleup atmosphere with highly motivated and open-minded colleagues.
• A competitive compensation package, including 20 paid vacation days and paid sick leave.
• A comfortable office in the heart of Kyiv, with the flexibility to work remotely.
• Flexible working hours to accommodate your lifestyle.
• Opportunities to participate in tech talks, hackathons, and technical conferences around the world.
• If this sounds like the perfect opportunity for you, don’t hesitate—write us back and let’s start the conversation! -
· 38 views · 8 applications · 23d
Influencer Marketing Manager (Uzbekistan, Turkey)
Full Remote · Worldwide · 1 year of experience · B2 - Upper IntermediateWe are looking for an ambitious and result-driven Influencer Marketing Managers to join our teams on Fintech and iGaming and Software to help us develop our client portfolio and lead advertising campaigns for our clients with bloggers around the...We are looking for an ambitious and result-driven Influencer Marketing Managers to join our teams on Fintech and iGaming and Software to help us develop our client portfolio and lead advertising campaigns for our clients with bloggers around the world.
RESPONSIBILITIES:
- Plan, launch and process communication with influencers, collect prices and statistics from bloggers;
- Lead the client’s advertising campaigns in accordance with the approved strategy;
- Launch advertising campaigns on YouTube, Twitch, Instagram, TikTok platforms within specified budgets;
- Conduct negotiations with bloggers to maximize the efficiency of cooperation;
- Maintain business correspondence in English and Russian, including emails and keeping the contact with bloggers;
- Plan and manage tasks6, meet deadlines for advertising campaigns;
- Propose creative ideas for advertising integration with bloggers, content analysis and advertising scenarios;
- Manage the process of signing contracts and other documents;
Communicate with clients conduct strategic and operational calls;
REQUIREMENTS:
- At least 1 year of Experience working at Influencer Marketing;
- Experience in launching advertising campaigns in Uzbekistan, Azerbaijan and Turkey;
- Fluent in English (from B2), additional languages will be a plus;
- Ability to manage advertising campaigns with bloggers with positive ROI, analyze the results of ad launches.
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· 37 views · 1 application · 23d
C++ Software Engineer - Trading Platform (Lisbon, Portugal) to $7000
Office Work · Portugal · Product · 4 years of experience · B2 - Upper IntermediateAbout Us: Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. This position is open for relocation for in-office presence to...About Us:
Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team.
This position is open for relocation for in-office presence to Lisbon, Portugal or remote work from Ukraine, with in-office presence in Kyiv required once circumstances allow.
We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort.
What You’ll Do:- Design and deploy performance-critical components for large-scale trading infrastructure.
- Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
- Write modern, efficient code using the latest C++ standards.
- Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
- Conduct performance research to push the boundaries of our platform's speed and scalability.
What We’re Looking For:
- 3+ years of hands-on experience with C++ development.
- Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
- Hands-on experience with Python and/or Bash scripting.
- Proficiency with Linux environments and system-level programming.
- Solid grasp of multithreading, IPC, and concurrent systems.
- Strong skills in latency and throughput optimization, including experience with profiling and PGO.
- Knowledge of OOP and software design patterns.
- Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
- Excellent attention to detail, with a critical and quality-focused mindset.
- Comfortable working independently or in small teams in a dynamic, high-speed environment.
- Strong communication skills and upper-intermediate (or higher) English proficiency.
- Curiosity and passion for financial markets and trading.
Nice to have:
- Experience developing high-performance, low-latency systems on Linux.
- Familiarity with OS internals and kernel-level networking.
- Understanding of financial instruments such as stocks, ETFs, futures, or options.
- Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).
What we Offer:
- Opportunities to grow your skills and develop professionally
- Challenging and interesting tasks
- Competitive pay
- Paid time-off
- Coverage of health insurance costs
- Monthly mental health budget
- Performance-based bonuses
- Modern office in city center with paid lunches and parking spaces
Our motivation:
We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.
Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!
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· 42 views · 20 applications · 11d
Lead Generation Manager IT (B2B)
Full Remote · Countries of Europe or Ukraine · 2 years of experience · B2 - Upper IntermediateImportant: Ability to search clients on Upwork, Linkedin, Facebook; Skill of finding the right words during negotiations; Desire to grow in IT field and achive new goals. Requirements: Experience in lead generation or sales for at least 1...Important:
● Ability to search clients on Upwork, Linkedin, Facebook;
● Skill of finding the right words during negotiations;
● Desire to grow in IT field and achive new goals.Requirements:
● Experience in lead generation or sales for at least 1 year;
● Proactivity and focus on achieving results and KPIs;
● Desire to develop and grow as a professional;
● Excellent communication and negotiation skills;
● High level of organizational skills and the ability to work in a fast-paced environment.
Responsibilities:
● Active search and attraction of new customers in the B2B segment;
● Building chains of contacts: creating scripts and message templates, sending them and responding to the first contacts with leads via LinkedIn, Facebook, E-mail and other channels;
● Conducting negotiations with potential customers and organizing meetings for Sales managers;
● Entering and updating data in the CRM system for efficient customer and contact record keeping;
● Enriching the base of potential customers using tools such as Snov.io, Sales Navigator and others.Working conditions:
● The number of messages/letters sent;
● Number of scheduled meetings/calls with Sales managers.Working conditions:
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● Competitive salary;
● Transparent model of professional and career growth;
● 5/2 working week with a flexible schedule;
● Ability to work in the office or remotely;
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· 5 views · 0 applications · 22d
Senior Google Media Buyer (Crypto)
Full Remote · Worldwide · Product · 2 years of experience · A1 - BeginnerWe are looking Middle - Senior Media Buyers in our team! Requirement: - From a 2 years of experience with large budgets at Tier-1 GEO in the crypto vertical (PPC/YouTube) - Experience with other traffic sources will be a plus Responsibilities: -...We are looking Middle - Senior Media Buyers in our team!
Requirement:
- From a 2 years of experience with large budgets at Tier-1 GEO in the crypto vertical (PPC/YouTube)
- Experience with other traffic sources will be a plus
Responsibilities:
- Search for new connections
- Scaling and optimization of current
- Traffic analysis
- Drawing up competent technical specifications for layout designers, copywriters and designers
Our advantages:
- Exclusive offers that really convert
- Corporate English courses for all levels
- Fully built infrastructure (accounts, payments, farming and very serious creative departments and technical units)
- Truly unlimited budgets
- There is our own tracking platform that helps keep information on all accounts, GEOs and traffic sources in one place
We are an international group of companies that is looking for talented and long-term focused Media Buyers! Our team specializes in media buying and also has our own high risk products.
We develop software solutions for marketers, including a SaaS tracking platform, CRM systems for optimizing workflows in social networks and a comprehensive mass marketing service. In addition, we implement various marketing strategies covering SEO, affiliate marketing, email campaigns and much more. Our experience extends to creating solutions for both clients and our own endeavors.
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· 160 views · 32 applications · 29d
Senior Back End Engineer (Go)
Countries of Europe or Ukraine · Product · 5 years of experience · B1 - Intermediate Ukrainian Product 🇺🇦Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are...Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are dedicated to crafting exceptional mobile and desktop experiences for those who aspire to achieve more.
The Spark email app stands as one of our flagship products, designed for various platforms, including iOS, macOS, Android, and Windows. Our mission at Spark has always been to make you love your email experience - we started by making email smart, and improved team collaboration, and now we’ve tackled information overload to make email focused. Our core features are designed to heighten your focus and allow you to create customized workflows that suit your needs.
About the role:
As a Senior Back End Engineer, you will architect robust backend services for tasks like database scaling, synchronisation across devices, and integration with other services (e.g., calendars); and optimise the performance of critical components. You will contribute to the team's growth by mentoring newcomers, conducting code reviews, and fostering a culture of knowledge sharing.
What you’ll do:
- Build distributed, scalable, and fault-tolerant systems in the cloud using Golang.
- Develop tools for running and monitoring the system and ensure reliable operations at optimal performance.
- Work closely with the product manager and client development teams to define architecture, protocols, and requirements for new functionalities.
- Collaborate with the team and contribute to the overall success of the project
About you:
- Strong background in backend development, including high proficiency in Golang
- Experience with distributed systems and high-load services
- Knowledge of relational database systems and key-value stores
- Basic knowledge of Kubernetes
- Experience with cloud platforms like AWS or GCP
- You demonstrate a deep passion for the products you contribute to
- You're great at thinking ahead, foreseeing how your work shapes the user experience
- You know how to deliver product quality in optimal development time
- You have a keen eye for both zooming in on details and seeing the big picture
- You are highly flexible and self-motivated, with the ability to work independently and in a team
Would be a plus:
- Knowledge of data structures and algorithms (DSA)
- DevOps skills
- Familiarity with NoSQL
- Experience in front-end development using modern Javascript frameworks
- Contributions to the open-source community
- Experience with scripting languages like Python, Ruby, Shell
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· 119 views · 8 applications · 19d
Technical Support Engineer
Full Remote · Ukraine · Product · 2 years of experience · B1 - IntermediateHi there! Are you a tech enthusiast ready to take on a challenging role in a dynamic environment? We’re looking for a Support Engineer who is passionate about working with complex systems that make a real impact across the globe. If you have experience...Hi there!
Are you a tech enthusiast ready to take on a challenging role in a dynamic environment? We’re looking for a Support Engineer who is passionate about working with complex systems that make a real impact across the globe. If you have experience with Linux/UNIX, TCP/IP networking, MySQL, and hardware server components, you might be the perfect fit for our team!
Join us to work on world-class communication solutions, develop your skills, and build an exciting career.
Required skills:— Intermediate English (B1)
— Familiarity with Linux/UNIX command-line tools/environment
— Intermediate knowledge of TCP/IP networking, network protocol and packet analysis
— Experience with MySQL or other SQL database
— Understanding of typical hardware server components
As a plus:
— Technical background and IT education
— Scripting skills (bash, perl or python)
— Linux server performance troubleshooting
— Experience with web server software (like apache, nginx)
— Knowledge in the field of voip, sipDon’t know how to deal with an issue yet? Don’t worry, we’ve got good internal courses and documentation and a great team to help you climb up the learning curve!
We offer:
— Professional development
— Highly skilled colleagues who are ready to share knowledge
— Professional trainings
— Excellent career opportunities. Make yourself and become anyone you are willing to: Senior System Engineer, Senior System Administrator, Senior Software Developer, Senior QA Automation, Senior Project Manager, etc.
— Official competitive salary
— Performance review every six months
— Paid vacations, compensatory leaves and sick leave
— Work schedule up to you: standard “office” schedule (5 day 9 till 18.00 it is Kyiv time (UTC+2/+3 ) Or flexible schedule with 12-hour shifts every three days from 8 till 20.00 or from 20.00 till 8.00.
— English classes with the experienced teachers
Responsibilities:
— Assisting telecommunication providers with launching new projects, or reconfiguration of our solutions to fulfill their current business needs
— Troubleshooting technical issues by request from customer’s tech team
—Monitoring of customers’ hardware and software infrastructure and ensuring site reliability
— Performing software updates or/and migrations to the new hardware or in the cloud
— Constant self-development in technical skills to catch up with the latest trends in technology
— Communicating with customers in a professional manner through the ticketing system. Ensuring a timely resolution of all issues meeting or exceeding SLA’s or customer expectations
— Occasional business trips all over the world for employees who have deep system knowledge and desire to travel
— You will rapidly gain vast knowledge of:
a wide variety of software applications and other components (Docker, Cassandra, MySQL, Elastic) across companies in telecommunication industry
— Managing expectations of business customers and vise escalation to keep the situation under control
About company:
PortaOne is a software developer for communication service providers. We help telcos develop and provide new communication services (IPTV, MVNO/LTE core and another) in places where they didn’t exist before or were inaccessible due to cost. Our products are a unique combination of commercial software (high-quality support, detailed documentation, etc.) while completely open to customers (open-source code, specific tools to support client-created modifications). If using a metaphor, we provide reliable hi-tech vans for communications industries’ Wild West pioneers.
The company was founded in 2001 — and now our staff consists of nearly 250 people. We have 480+ clients (Vodafone, Ziggo, TRavelSIM) in more than 90 countries on all five continents. The demand for our products has been growing for over two decades, and the pandemic even boosted it. So if you look for a challenging job with a highly demanded product and a stable income, PortaOne is the right place!
More information about the company can be found on our website portaone.com.
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· 220 views · 37 applications · 23d
Middle C#/.NET Developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B2 - Upper IntermediateWe're seeking a talented .NET Developer to help shape the future of blockchain technology in innovative startup. If you're ready to make a real impact in a cutting-edge industry, we'd love to hear from you! Core Competence: At least 2 years of...We're seeking a talented .NET Developer to help shape the future of blockchain technology in innovative startup. If you're ready to make a real impact in a cutting-edge industry, we'd love to hear from you!
Core Competence:
- At least 2 years of professional experience in software development with a strong foundation in C#, ASP.NET Core, and Entity Framework.
- Proficiency in managing IIS, MS SQL, Visual Studio, and Docker environments.
- Familiarity with ODBC, LINQ, NUnit, xUnit, NuGet, and RESTful APIs, alongside Git for version control.
- Sound understanding of client-side and server-side architectures.
- Strong analytical thinking, with a structured, math or engineering-oriented mindset and a focus on delivering results.
Preferred Qualifications:
- Knowledge of ReSharper, experience with Azure, and familiarity with NoSQL databases.
- Experience with AWS and Linux system administration is an asset.
- Active participation in hackathons demonstrates innovative thinking and problem-solving skills.
- Upper-intermediate level of English for clear and effective communication in a global team.
What We Offer You:
- Competitive Compensation: Your skills and experience will be rewarded with a salary aligned with industry standards and your career ambitions.
- Innovative Work Environment: Be part of a forward-thinking FinTech startup with a culture of continuous learning, including tech talks and participation in hackathons.
20 paid vacation days, 3 paid sick days, and a flexible schedule for work-life balance.
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· 295 views · 48 applications · 5d
Senior PHP Developer (Laravel)
Full Remote · Countries of Europe or Ukraine · Product · 4 years of experience · B1 - IntermediateNuxGame is a dynamic IT company delivering top-tier software solutions for the iGaming industry. We empower operators of all sizes to expand into new markets, strengthen their existing brands, and achieve ambitious business goals. We are looking for a...NuxGame is a dynamic IT company delivering top-tier software solutions for the iGaming industry. We empower operators of all sizes to expand into new markets, strengthen their existing brands, and achieve ambitious business goals.
We are looking for a Senior Backend Developer to join our team. If you are passionate about high-load systems, solving complex engineering challenges, and working with modern tech stacks, this is the place for you.
Tech Stack: PHP 8, Laravel, MySQL, ClickHouse, Redis, Docker, AWS, SQS, WebSockets, Sentry, NewRelic.
Your Responsibilities:
You will be responsible for the core logic of our platform, focusing on speed, scalability, and stability.
- Core Development: Design and maintain high-load services and platform modules using PHP 8 and Laravel.
- Architecture & Quality: Write reliable, well-tested code. Participate in architectural decision-making and ensure technical stability.
- Feature Ownership: Take full ownership of your features from coding to release. You will deploy to the dev environment and perform sanity checks to ensure functionality before handing tasks over to our dedicated QA team for deep testing.
- Performance: Optimize database queries, implement caching strategies, and manage async processes/queues.
- Integrations: Build complex integrations with external services (payment providers, game aggregators, analytics) via REST and WebSockets.
- Documentation: Maintain up-to-date technical documentation for APIs (Swagger/OpenAPI), services, and architectural decisions.
- Cross-Functional Collaboration: Partner with the DevOps team to optimize delivery pipelines and work alongside Product & Analytics teams to implement scalable data processing solutions.
- Testing: Create automated tests (unit, integration, feature) to ensure the quality and stability of your code.
What we expect from you:
- Experience: 5+ years of commercial experience as a PHP Backend Developer.
- Framework Expertise: Deep understanding of Laravel and its ecosystem.
- Database Skills: Strong knowledge of SQL (MySQL/PostgreSQL), query optimization, and working with large volumes of transactional/analytical data.
- API & Protocols: Experience with HTTP, REST, WebSockets, and complex API integrations.
- Async & Queues: Experience with message brokers (SQS, RabbitMQ, or similar).
- Infrastructure: Practical experience with Docker and Linux environment.
- Observability: Familiarity with logging, metrics, and tracing (Sentry, NewRelic, DataDog, ELK, etc.).
It will be a plus
- AI-Assisted Workflow: Experience with AI coding tools. We welcome a smart approach to AI to streamline complex tasks, from architectural design to documentation, development, and code refactoring.
- Leadership Experience: Experience in a technical leadership role (Tech/Team Lead, Mentor, Buddy) — sharing knowledge and guiding less experienced team members.
- Tech Breadth: Experience with Golang, Node.js, DDD (Domain-Driven Design).
- Analytics: Experience with analytical databases like ClickHouse.
What we offer
We believe that a happy team builds the best products. Here is how we support you:
- Remote & Flexible: Work from anywhere. Our core hours are 09:00/10:00 to 17:00/18:00 (Kyiv time), Mon-Fri.
- Financial Stability: Timely payment for compensation for services
- Personal Equipment Policy: No tech troubles — a MacBook and all necessary equipment are provided for use to ensure comfortable and efficient work.
- Learning & Development: It is a pleasure for us to watch you grow. We cover your learning costs (courses, conferences).
- Knowledge Sharing: We regularly gather to discuss new trends, share insights, and elevate one another.
- Community: At NuxGame, you will work in a team of like-minded people who are ready to support, inspire, and tackle complex challenges together.
- Creative Freedom: We encourage initiative. With us, you have the freedom of professional expression and the space to implement your ideas.
- Time-off Policy: 24 vacation days per year + 5 sick days (without medical confirmation).
- Atmosphere: A friendly environment focused on results and mutual respect, free from unnecessary bureaucracy and pressure.
We believe in unlocking the inner potential of each team member within an open and democratic culture.
Waiting for you on our team!
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Facebook Media Buyer (Crypto)
Full Remote · Worldwide · Product · 1 year of experience · B2 - Upper IntermediateWe are looking Middle- Senior Media Buyers in our team! Requirement: - From a 2 years of experience with large budgets at Tier-1 GEO in the crypto vertical (Facebook) - Experience in attracting traffic with a personal budget. - Experienced tracker...We are looking Middle- Senior Media Buyers in our team!
Requirement:
- From a 2 years of experience with large budgets at Tier-1 GEO in the crypto vertical (Facebook)
- Experience in attracting traffic with a personal budget.
- Experienced tracker user
- Ability to write good technical specifications for developers, designers and copywriters.
Responsibilities:
- Search for new connections
- Scaling and optimization of current
- Traffic analysis
- Drawing up competent technical specifications for layout designers, copywriters and designers
Our advantages:
- Exclusive offers that really convert
- Corporate English courses for all levels
- Fully built infrastructure (accounts, payments, farming and very serious creative departments and technical units)
- Truly unlimited budgets
- There is our own tracking platform that helps keep information on all accounts, GEOs and traffic sources in one place
We are an international group of companies that is looking for talented and long-term and result-oriented Media buyers! Our team specializes in media buying and also has its own high-risk products. Due to business scaling, we are expanding the team and opening a vacancy for Media Buyer to work with Facebook.
Join Our Team of Visionary Innovators! Are you a mindful go-getter with an entrepreneurial spark? We're on the lookout for dynamic individuals ready to grow and thrive with us. At our core, we believe in people first—your passions, ambitions, and evolution matter.
Here, growth isn’t just a goal; it’s the #1 priority. Work is personal. Personal drives growth. Growth fuels prosperity.
If this resonates with you, send us your CV and let’s kickstart something extraordinary! Don’t tick every box? No problem! If you share our love for technology, we’d still love to chat and explore the possibilities together.
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