Jobs at Djinni
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· 693 views · 58 applications · 21d
Strong Middle QA Engineer to $3500
Ukraine · 3 years of experience · B2 - Upper IntermediateWHO WE ARE LOOKING FOR? We are seeking a highly skilled Strong Middle QA Engineer (manual-first) with hands-on experience in test automation to join our team building an innovative edge computing platform with a supplemental cloud presence. As part of a...WHO WE ARE LOOKING FOR?
We are seeking a highly skilled Strong Middle QA Engineer (manual-first) with hands-on experience in test automation to join our team building an innovative edge computing platform with a supplemental cloud presence. As part of a cross-functional product/platform group, you will own end-to-end manual testing across our on-prem edge stack and web applications. Manual testing is the priority now, but you’ll have scope to upskill and implement focused automation over time.
KEY RESPONSIBILITIES:
- Own end-to-end manual testing for edge platform and applications running in the cloud.
- Identify, report, and track bugs using Jira.
- Create and maintain test plans, test cases, and checklists in a test case management system; keep traceability to Jira tickets and acceptance criteria.
- Execute functional, regression, smoke, and exploratory tests for Web UI and REST APIs; validate happy paths, boundary cases, and error handling.
- File high-quality defects (clear STR, expected vs. actual, environment, logs/screenshots).
- Participate in creating automation test scenarios
- Communicate closely with the development team regarding issues and improvements.
WHAT YOU BRING ALONG:
- Upper-Intermediate English level
- 3+ years in QA/QC/AQA for backend/platform or web applications, with a strong manual testing core.
- 1+ year of hands-on experience of testing applications running on the edge.
- Solid Linux user skills for testing & triage: SSH, systemctl/journalctl, grep/tail, reading service logs.
- Web testing fundamentals: HTTP, REST/JSON, cookies/sessions; hands-on with Postman and browser devtools.
- Security/IAM depth: OAuth2/OIDC concepts, token lifecycles, and negative-case testing.
- Test case management proficiency (e.g., TestRail/Zephyr/Xray) and defect tracking in Jira.
- Experience with test automation (Python, Pytest, Playwright/Selenium)
- Clear, concise documentation in Confluence and reproduction steps in English.
- Practical understanding of containerized deployments.
WILL BE A PLUS:
- Experience testing in intermittent/edge networking conditions: toggling interfaces, simulating loss/latency/timeouts.
- Keycloak user/role testing experience: creating users, assigning roles, validating RBAC in UI/API flows (admin vs. operator).
- Experience in testing distributed applications and event-driven architectures.
- Participation in testing of IoT solutions.
- Familiarity with HashiCorp Consul and Nomad concepts.
- SQL basics for test data validation in PostgreSQL (SELECTs, simple JOINs, constraints).
- Basic scripting: bash and ansible.
- Experience with Docker
SOFT SKILLS:
- Adaptability to rapidly changing requirements and a willingness to explore emerging technologies.
- Excellent problem-solving and communication abilities.
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· 158 views · 36 applications · 21d
Project/product manager
Full Remote · Worldwide · Product · 2 years of experience · B2 - Upper IntermediateSnowball Money: Project Manager Job Description (web3/crypto experience is must have experience) About Us: Snowball is a fast-growing Web3 startup based in San Francisco and Kyiv, on a mission to make investing in cryptocurrency simple and accessible...Snowball Money: Project Manager Job Description (web3/crypto experience is must have experience)
About Us: Snowball is a fast-growing Web3 startup based in San Francisco and Kyiv, on a mission to make investing in cryptocurrency simple and accessible for everyone. Our flagship products: the Snowball Wallet, a powerful multichain crypto wallet, and Modular Name Service (MNS), a game-changing identity system, are helping people connect, manage, and grow their crypto assets across multiple blockchains.
Responsibilities:
- Drive the product roadmap and delivery for our product development efforts, ensuring that we are meeting our product vision, roadmap timelines, and budget.
- Create and maintain product plans, including product schedules, budgets, and risk management plans.
- Collaborate with cross-functional teams to define product requirements and scope, and ensure that our development efforts are aligned with business goals and objectives.
- Manage project resources, including staff and external vendors, to ensure that we are meeting our project needs and objectives.
- Facilitate product and project meetings and communication to ensure that all team members are aware of product and project status, risks, and issues.
- Monitor product and project progress and identify and manage risks and issues that could impact product and project success.
- Implement product management best practices and processes to enable efficient and effective product delivery and continuous improvement.
- Develop and maintain project management best practices and processes that can be used across the organization.
- Ensure project complies with company procedures
Requirements:
- 2+ years of experience in product management and project management, preferably in a startup environment or in the technology industry.
- Strong knowledge of agile software development methodologies and practices.
- Experience with product management and project management tools such as Jira and Asana.
- Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams.
- Proven track record of delivering products and projects on time and within budget.
- Experience managing and mentoring product and project team members.
- Strong problem-solving skills, with the ability to identify and mitigate product and project risks and issues.
- Knowledge of the blockchain and cryptocurrency culture and space is a plus.
If you are a self-starter who is passionate about driving the success of a Smart Crypto Investment Automation Platform and possess the skills to drive both product management and project management, please apply and let us know why you would be a great fit for this hybrid role. The ideal candidate should be a fast learner and an expert who can set up and implement best practices and frameworks for both product management and project management.
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· 48 views · 1 application · 1d
Hardware Engineer
Hybrid Remote · Ukraine (Lviv) · 1 year of experienceType: Fulltime, hybrid Duration: indefinite in time Customer: US company (electrical equipment, hardware and software) Responsibilities: Creating circuit boards, developing specifications, and ensuring hardware compatibility with software and...Type: Fulltime, hybrid
Duration: indefinite in time
Customer: US company (electrical equipment, hardware and software)
Responsibilities:
Creating circuit boards, developing specifications, and ensuring hardware compatibility with software and networks. This includes collaboration with other engineers and manufacturers throughout the product lifecycle.
Skills:
• Altium
• ADC
• Amplifiers
• Microcontrollers experience
• Hardware troubleshooting
Selection process: 2 interviews (recruiter screening, technical interview)
We are an outsourcing company providing high-level software development services for the well-known companies in US, Canada and Germany.
The tech team is based in Lviv.
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· 106 views · 17 applications · 4d
Senior iOS Engineer
Hybrid Remote · Ukraine (Lviv) · 5 years of experience · B2 - Upper IntermediateWe are looking for a prospective and ambitious Senior iOS Engineer to join our team! Main Responsibilities: Design, build, and maintain efficient, reusable, and reliable code. Identify UI problems and bugs and devise elegant solutions. Make strategic...We are looking for a prospective and ambitious Senior iOS Engineer to join our team!
Main Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable code.
- Identify UI problems and bugs and devise elegant solutions.
- Make strategic technical decisions related to new products and functionalities.
- Help maintain code quality.
- Refactor already existing code
- Guide team development efforts toward successful product delivery
- Suggest technical and functional improvements to add value to the product, full involvement in Product Development
- Conduct design reviews and code reviews
Role Requirements:
- At least 5 years of experience in software development for iOS
- Good knowledge of Swift programming language
- Understanding of OOP and iOS design patterns (MVVM & Coordinator)
- Experience with Xcode, the ability to use debugging and profiling tools.
- Experience with BLE and OTA would be an advantage
- Experience with SwiftUI
- Familiarity with UIKit and Core Bluetooth
- Experience with AutoLayout, Storyboards, and Xibs
- Experience with dependency managers (CocoaPods, SPM)
- Understanding of concurrency, experience with GCD and async programming with Combine
- Proficient with REST API
- Proficient understanding of Git
- Familiarity with continuous integration
- Experience with application distribution
- Understanding of Apple’s HIG
- A desire to write clean and readable code
- A desire to write unit tests
- Good spoken and written intermediate knowledge of English language
The ideal candidate is also:
- Has Agile mindset and is a good team player;
- Possesses knowledge of computer science fundamentals which prevents him/her from reinventing the wheel;
- Is pragmatic: gets things done, can find a creative compromise between an ideal technical solution and actual client needs.
- Understands the value of testing, quality, continuous integration, source control, and code reviews;
- Can analyze, plan and estimate requirements as well as identify risks involved and provide solutions to them.
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
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· 396 views · 111 applications · 21d
Middle Front-end developer (React)
Full Remote · Ukraine · 3 years of experience · B2 - Upper IntermediateDescription As part of the ongoing effort to modernize the embedded software in advanced scientific equipment, this sub-project focuses on improving the software and firmware update process for factory-configured devices. Currently, updates are applied...Description
As part of the ongoing effort to modernize the embedded software in advanced scientific equipment, this sub-project focuses on improving the software and firmware update process for factory-configured devices.
Currently, updates are applied manually in a sequential manner, which limits scalability and increases operational effort. This initiative aims to design and implement a (semi-)automated update mechanism capable of performing parallel deployments across multiple units, significantly reducing installation time and improving consistency.
Key goals include minimizing manual intervention, ensuring reliable version control and compatibility checks, and enabling efficient, scalable rollouts within production environments. The resulting system will enhance maintainability and operational efficiency for high-value devices in complex manufacturing workflows.
Requirements
- 3+ years of professional experience using JavaScript/React
- Intermediate strong or higher English level
- Ability to work in agile software development environment, maintaining focus yet remaining flexible to requirements and design change
- Proactive problem solving abilities
- Quick learner and self contributing person
- Strong communication skills
Job responsibilities
• Implement new solutions into the current system with the refactoring and from scratch methods;
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• Preparing the technical documentation;
• Participating in client meetings to understand business and user requirements and estimate tasks;
• Collaborating closely with other engineers, product owners and testers to identify and solve challenging problems;
• Taking part in defect investigation, bug fixing, troubleshooting; -
· 89 views · 31 applications · 21d
Senior Mobile Engineer
Full Remote · Ukraine · Product · 4 years of experienceBrightech is an international product IT company that is part of a US logistics holding. One of our key projects is Dispatchland - a mobile application for drivers, designed to control and track cargo transportation, helping them efficiently manage...Brightech is an international product IT company that is part of a US logistics holding.
One of our key projects is Dispatchland - a mobile application for drivers, designed to control and track cargo transportation, helping them efficiently manage delivery processes and supporting them at every stage of transportation.
We are looking for a Senior Mobile Engineer - an experienced mobile applications developer specializing in building cross-platform apps (iOS and Android) using the React Native framework.
Dispatchland has been in operation for over 5 years, constantly updated and scaled. That’s why we are looking for a Senior Mobile Engineer who will join our team to develop new features and maintain the existing functionality. This project offers an excellent opportunity to enhance your expertise by working on a large-scale, high-load product in the logistics domain.
We offer:
- Fully remote work format;
- An official contract with an American company;
- Equipment required to perform tasks;
- Paid sick leave and vacation;
- Days off for holidays and birthdays;
- Budget for specialized training;
- Career growth and development
Requirements:
- 4+ years of software development experience, including at least 4+ years in mobile development using React Native;
- Experience in developing backend services with Node.js;
- Proficiency in JavaScript and TypeScript;
- Experience with state management tools such as Redux, Zustand, or Recoil;
- Deep understanding of mobile application architecture, navigation models, and performance optimization;
- Familiarity with RESTful APIs, GraphQL, and third-party API integrations;
- Experience integrating Google APIs (Geo, Routes) and Firebase Push/Notification (FCM/APNs), including background processing;
- Experience with mobile debugging, logging, and analytics tools;
- Experience with relational and non-relational databases;
- Experience with cloud services such as AWS, Google Cloud, or Azure;
- Knowledge of CI/CD tools and mobile app deployment (App Store, Google Play);
- Strong understanding of version control (Git);
- Excellent problem-solving and communication skills.
Nice to have:
- Experience with Elysia (Bun) and its plugin ecosystem;
- Experience with WebSockets or gRPC in React Native.
Technological stack: JavaScript, TypeScript, React Native, React.js, Node.js, Elysia (Bun)
Key Responsibilities:
- Develop and maintain mobile applications based on React Native for iOS and Android;
- Optimize application performance, reduce loading times, and improve UI responsiveness;
- Implement best development practices, including code reviews and testing;
- Participate in sprint planning and task estimation;
- Collaborate with business analysts, designers, and backend teams to align requirements and integrations;
- Integrate with APIs and third-party services;
- Design mobile application architecture with scalability and performance in mind.
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Send your CV — we are waiting for you! -
· 190 views · 39 applications · 21d
Middle Node.JS Developer
Full Remote · Countries of Europe or Ukraine · 2 years of experience · B1 - IntermediateRequired skills: - 2+ years of commercial experience with Node.js; - commercial experience with Solidity/Solana; - commercial experience with Nest.js; - strong knowledge of JavaScript and TypeScript; - strong understanding of ES6+; - commercial experience...Required skills:
- 2+ years of commercial experience with Node.js;
- commercial experience with Solidity/Solana;
- commercial experience with Nest.js;
- strong knowledge of JavaScript and TypeScript;
- strong understanding of ES6+;
- commercial experience with Git;
- commercial experience with MongoDB, Redis;
- commercial experience with Docker, Docker Compose;
- experience with PostgreSQL;
- basic knowledge of ОS Linux, Mac OS;
- English — B1+.
Will be a plus:
- experience with Express;- experience with Neo4j;
- experience with RabbitMQ.
We offer:
- flexible working hours;
- constant opportunity for learning and development;
- work in a friendly, passionate team, committed to producing user-focused software using Agile practices.
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· 35 views · 9 applications · 21d
CRM Manager
Full Remote · Countries of Europe or Ukraine · Product · 2 years of experience · B2 - Upper IntermediateWe’re looking for a CRM Specialist to join our amazing project at Murka. Responsibilities: — Plan, build, and execute omnichannel CRM campaigns across web push, email, and SMS, tailored to different stages of the user lifecycle: Onboarding,...We’re looking for a CRM Specialist to join our amazing project at Murka.
Responsibilities:
— Plan, build, and execute omnichannel CRM campaigns across web push, email, and SMS, tailored to different stages of the user lifecycle: Onboarding, Engagement, Re-engagement, Retention
— Manage and maintain CRM tools and platforms, ensuring accurate data and effective segmentation.
— Create visually engaging and responsive messages that align with product guidelines.
— Analyze campaign performance, interpret key metrics, and generate actionable insights to optimize CRM strategy
— Collaborate closely with cross-functional teams (Product, Design, Marketing, Analysts, BI) to ensure seamless campaign execution and alignment with overall business goals.
Requirements:
— At least 2 years of experience as a CRM Specialist within the iGaming, Social Casino, or Sweepstakes industries.
— Hands-on experience with web push, email, and SMS marketing channels.
— Proven ability to develop omnichannel CRM campaigns based on user lifecycle stages.
— Experience analyzing campaign results, drawing meaningful conclusions, and building data-driven strategies.
— Familiarity with CRM tools such as Braze, Leanplum, CleverTap, or Airship.
— Proficiency with Tableau or similar BI tools to analyze and visualize campaign data.
— Understanding of HTML email templates and best practices for design and deliverability
— Upper Intermediate English communication and presentation skills
Preferred Qualifications:
— Experience working in a fast-paced, growth-oriented environment.
— Excellent communication and teamwork skills.
— Strong organizational and time-management abilities.
Nice to have:
— Experience working with personalization and segmentation strategies in CRM tools (dynamic content, A/B testing).— Knowledge of gamification strategies and how to apply them in CRM campaigns.
— Familiarity with mobile marketing best practices in CRM
— Basic understanding of loyalty programs or VIP segmentation strategies.
— Prior experience with customer journey mapping or lifecycle marketing automation.
— Understanding of GDPR, CAN-SPAM, and other relevant data privacy regulations impacting marketing campaigns
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· 81 views · 11 applications · 21d
Middle Full-stack Drupal developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled Middle Full-stack Drupal Developer to join our team. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable...Sometimes we are looking for a skilled Middle Full-stack Drupal Developer to join our team. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable deliverables.
We can start with a friendly meeting to give each other a chance!
Requirements:
- 2+ years of experience with Drupal development, deep understanding of the D8/9 structure and principles
- Proven experience with Drupal site building using core functionality. Experience with usage and combining contrib modules for site building.
- Experience with Search API, strong understanding of the Drupal APIs: Form API, Entity API, Cache API, etc. Experience of the usage APIs of contrib modules
- Strong understanding of the Drupal theming layer: template system, preprocessing, libraries
- Strong understanding of the Twig templating system
- Strong markup skills: semantic markup, LESS/SASS
- Good skills with JS, understanding Drupal.behaviors
- Experience with Gulp, Yarn
- Experience with integration of Drupal for external services
- Good experience with Git, Drush, Composer
- Understanding and following the Drupal code standards
- Experience with the code refactoring
- Good experience with Docker and/or LAMP/WAMP/MAMP stack (configuring local dev environment that could contain non-standard components)
- English — from strong intermediate level
Requirements:
General Requirements
- 2+ years of experience in Drupal development, with strong knowledge of Drupal 8/9 structure and principles
- English — Strong Intermediate level or higher
- Using AI in work will be a plus
Drupal Development
- Proven experience with Drupal site building using core functionality and contrib modules
- Strong understanding of Drupal APIs: Form API, Entity API, Cache API, etc.
- Experience with Search API and APIs of contrib modules
- Experience with integration of Drupal with external services
- Familiarity with Drupal coding standards and code refactoring
- Experience with Git, Drush, Composer
Theming & Frontend
- Deep understanding of Drupal’s theming layer (template system, preprocessing, libraries)
- Strong knowledge of the Twig templating system
- Solid markup skills (semantic HTML, LESS/SASS)
- JavaScript proficiency with understanding of Drupal.behaviors
- Experience with Gulp and Yarn
Dev Environment & Tools
- Good experience with Docker and/or LAMP/WAMP/MAMP stacks
- Ability to configure local development environments with custom components
Main Responsibilities
- Full-Stack development of web applications
- Help colleagues achieve team goals, and increase the expertise of the Drupal team if you feel such power.
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.
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· 127 views · 29 applications · 21d
Middle Python Developer with AI engineering background
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled Python developer to work on our upcoming AI projects. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable...Sometimes we are looking for a skilled Python developer to work on our upcoming AI projects. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable deliverables.
We can start with a friendly meeting to give each other a chance!
About the project:
The project involves the development of a Python application integrated with the Feedly news service, ChatGPT, and a client’s content management system.
Requirements:
- At least 3 years experience with Python 3;
- Familiarity with Python Frameworks: Django, FastAPI;
- Familiarity with OAuth flows;
- Experience with RabbitMQ, Apache Kafka, NSQ etc. and Celery;
- Strong database knowledge: MySQL/MariaDB/PostgreSQL, MongoDB, Elasticsearch, ApacheSOLR;
- Proficient in Docker usage;
- Experience with cloud solutions like: AWS (understanding Labmdas is an advantage) / Google Cloud / Digital Ocean;
- Experience with REST and WebSockets;
- Understanding AI-driven approach and concepts: ML, DL, LLM
- Experience in integration of SAAS-based AI solutions from OpenAI and Anthropic;
- Strong understanding and experience of Promot Engineering;
- Understanding and experience with vector databases;
- Experience with PyTorch, and TensorFlow could be a good point;
- Understanding best practices and technical approaches in Python development;
- A general understanding of data analytics could be a good point;
- Experience in technical communication with clients;
- Experience in technical estimation on presale;
- Experience in proposing technical decisions on projects;
- English: Upper Intermediate or higher.
- Experience with Drupal will be much appreciated and considered a strong advantage.
Responsibilities:
- Backend development and implementation of required features;
- Development of AI-driven solutions including prompt engineering, ML/LLM solutions
- Collaborating with other developers, designers, and project managers to ensure that all projects are delivered on time and to a high standard;
- Staying up-to-date with the latest developments in Python and related technologies to ensure that you are able to deliver the best possible results for the project and be able to participate in technical evaluations during the pre-sales phase.
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.
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· 77 views · 22 applications · 21d
WordPress Fullstack Developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled, motivated and proactive developer with a passion for technologies like WordPress and full-stack development. We are offering an exciting opportunity to work on a long-term and interesting website migration project....Sometimes we are looking for a skilled, motivated and proactive developer with a passion for technologies like WordPress and full-stack development. We are offering an exciting opportunity to work on a long-term and interesting website migration project. If you have the required experience and a genuine enthusiasm for web development, we would love to hear from you!
Responsibilities:
- Technical planning and technical design based on client needs and requirements.
- Technical estimation
- Develop and maintain WordPress websites, themes, and plugins.
- Collaborate with the design team to implement responsive and user-friendly interfaces.
- Customize and extend existing WordPress functionality.
- Troubleshoot and debug issues
- Ensure cross-browser compatibility and optimal performance.
- Participate in code reviews and contribute to best practices.
- Sharing knowledge and experience, mentoring
Requirements:
- Proven experience as a full-stack developer (using PHP-based stack), with at least 4 years of hands-on experience.
- Strong proficiency in WordPress development, including custom theme and plugin development.
- Strong understanding of DB layer: complex queries, optimisation, performance
- Proficiency in PHP, OOP, MySQL, and JavaScript (including jQuery)
- Experience with markup(HTML, CSS, SCSS).
- Experience with version control systems (Git)
- Experience with Docker-based development approach
- Experience with CI/CD
- Ability to work independently and as part of a team.
- Excellent problem-solving skills and attention to detail.
- Ability to use AI tools actively in development
- Strong communication skills. English — B2
Nice to Have:
- Experience with Drupal 7-10 could be a benefit
- Experience with TypeScript, React and React Native, NodeJS could be a benefit
- Experience with low-level PHP frameworks (Laravel, Symfony2, Slim) could be a benefit
- Experience with Python (Django, FastAPI) could be a benefit
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.
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· 73 views · 7 applications · 21d
Middle Browser Game Developer (TypeScript + WebGL, Web3 Events) to $5000
Full Remote · Ukraine · 2 years of experience · A2 - ElementaryWe’re a Web3 game studio creating fast-paced, technically refined games with transparent mechanics and well-crafted logic. We work with blockchain infrastructure, blending game development, decentralized technologies, and modern product design. Our...We’re a Web3 game studio creating fast-paced, technically refined games with transparent mechanics and well-crafted logic. We work with blockchain infrastructure, blending game development, decentralized technologies, and modern product design. Our mission is to deliver games that are simple to use yet rich in depth, built for a global audience.
What you’ll do- Build browser games (Canvas/WebGL) end-to-end: state machine, animations, assets, sound hooks.
- Wire the client to Web3 triggers: subscribe to contract events via WS, handle pending vs confirmed, finality and rare reorgs (idempotent handlers).
- Keep 60+ FPS on desktop, solid mobile performance (asset atlases, batching, Workers).
- Integrate with Next.js API routes (or a tiny Node service) for caching/retries.
- Cover core logic with tests (math, payouts caps, events pipeline).
Stack
- TypeScript, React/Next.js (game page rendered client-side), Canvas/WebGL (Pixi/Phaser/Three).
- WebSockets, viem/ethers, ABI/log decoding.
- Node.js; Redis is a plus.
Nice to have
- Spine/DragonBones, VFX/shaders (GLSL) or 3D pre-renders.
- VRF/Entropy understanding (Chainlink, Pyth).
- RTP/probability, basic Solidity/Foundry (read contracts, events).
Why join
- Real ownership of features, no bureaucracy.
- Remote-first, tight feedback loop, fast decisions.
- Impact: thousands of live rounds weekly, measurable results.
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· 115 views · 35 applications · 21d
System Administrator/DevOps
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled and experienced professional with a strong background in DevOps and System Administration. As a System Administrator, your role will be to ensure that our systems are secure, fast and reliable. On the DevOps side,...Sometimes we are looking for a skilled and experienced professional with a strong background in DevOps and System Administration. As a System Administrator, your role will be to ensure that our systems are secure, fast and reliable. On the DevOps side, you’ll be working on real business projects with a team dedicated to supporting each other and achieving mutual success.
Requirements:
- 3+ years of systems administration experience;
- Knowledge of Linux (Ubuntu, Debian, Centos), Windows and MacOS operating systems; Experience with ProxMox
- Expertise in infrastructure management, including hardware, network software, protocols, etc;
- Familiarity with LAMP/LEMP stacks;
- Experience managing cloud infrastructure (AWS, GCP or Azure);
- Practical knowledge of CI/CD tools (e.g. Gitlab);
- Bash and Python scripting skills;
- Database skills in MySQL, PostgreSQL and NoSQL (Redis, MongoDB, DynamoDB, Cassandra);
- Strong understanding of web and application technologies/servers (e.g. Apache, Nginx, Tomcat);
- Familiarity with Docker concepts and practical usage;
- Understanding of core IT security and architecture components;
- Solid network administration skills and hardware provisioning/repair experience;
- Analytical with attention to detail;
- Ability to work both independently and collaboratively in a team environment;
Intermediate or higher level of English.
Responsibilities:
- Maintenance and development of the infrastructure;
- Implementation of new technologies and automation of processes using IaC solutions;
- Cooperation with the development team and clients;
- Solving technical problems.
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.
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· 171 views · 66 applications · 21d
Middle Full-Stack Developer (Node.js/React.js)
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled Full Stack Engineer with strong Node.js and React.js skills. We’re diving into an exciting project involving a cutting-edge AI solution for tenders, working with a client based in Europe. If you have a strong...Sometimes we are looking for a skilled Full Stack Engineer with strong Node.js and React.js skills. We’re diving into an exciting project involving a cutting-edge AI solution for tenders, working with a client based in Europe. If you have a strong background in Node.js/React.js and are passionate about web development, we’d love to hear from you.
Requirements:
- 3+ years of experience with Node.js;
- 3+ years of experience with React.js;
- proficiency in working with Postgres;
- experience with Graph QL;
- familiarity with Amazon AWS combined Server/Serverless infrastructure;
- experience with Elastic search;
- upper-Intermediate or higher proficiency in English.
- using AI in work will be a plus
As a member of the team, you will:
- develop new features and deliver high-quality code;
- work effectively with the team to deliver the best solutions;
- keep up to date with new technologies and development trends.
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.
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· 121 views · 11 applications · 21d
PHP (Moodle) Developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · B1 - IntermediateSometimes we are looking for a skilled Middle Full-stack Moodle Developer to join our team. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable...Sometimes we are looking for a skilled Middle Full-stack Moodle Developer to join our team. We find a perfect mix of technologies for our customers from the USA and Europe to deliver outstanding solutions, turning their ideas into marketable deliverables.
We can start with a friendly meeting to give each other a chance!
Requirements:
- Proven work experience of at least 4 years;
- Strong understanding of PHP 8;
- Deep understanding of OOP;
- Extensive experience with SQL and non-SQL databases, including performance and design;
- Proficient with Moodle;
- Expertise in Moodle content building: nodes, fields, entities, paragraphs, blocks;
- In-depth knowledge of core Moodle APIs: Entity, Fields, Configuration, Database abstraction, Render, Migrate, Caching;
- Strong experience in decoupled development with REST, GraphQL, WebSockets in Moodle;
- Deep understanding of Moodle performance, caching, and highload project optimization;
- Experience with microservices and 3rd-party systems integration;
- Proficient with Git;
- Strong experience in CI/CD, code review, and maintaining code quality;
- English proficiency at B2 level.
- Using AI in work will be a plus
Not mandatory, but will be a huge advantage:
- Experience with Python;
- Experience with the cloud solutions: AWS, Kubernetes, understanding principles of scaling, clustering, and distributed computing solutions;
Responsibilities:
- Backend development and implementation of required features;
- Collaborating with other developers, designers, and project managers to ensure that all projects are delivered on time and to a high standard;
- Staying up-to-date with the latest developments in Drupal and related technologies to ensure that you can deliver the best possible results for the project and be able to participate in technical evaluations during the pre-sales phase.
What we offer
- Working with the international market and having a primary focus on the USA,
- 50% cashback for personal development, health, recreation, power backup, coworking,
- Communication with a professional team and participation in the team process,
- Career and proficiency development plans,
- Opportunity to improve processes (any ideas are valuable here),
- Flexible schedule,
- Participation in internal training and seminars,
- Good technical equipment, legal support, corporate entertainment, and other usual benefits,
- National public holidays.