Jobs at Djinni
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Β· 108 views Β· 26 applications Β· 27d
Backend Engineer (Node.js / Cloudflare / Web3) to $3000
Full Remote Β· Countries of Europe or Ukraine Β· 3 years of experience Β· Upper-IntermediateWeβre hiring a Backend Engineer to help build and scale a modern, edge-native, web3-enabled platform. Youβll be responsible for designing backend systems that are fast, resilient, and secure β while integrating directly with smart contracts, wallet...Weβre hiring a Backend Engineer to help build and scale a modern, edge-native, web3-enabled platform. Youβll be responsible for designing backend systems that are fast, resilient, and secure β while integrating directly with smart contracts, wallet infrastructure, and blockchain data.
Youβll work with technologies like Cloudflare Workers, Wrangler CLI, Drizzle ORM, CockroachDB/PostgreSQL, Redis/Upstash, BullMQ, and Viem β and you must be fluent in both backend architecture and web3 protocols.
What You'll Do- Develop backend services in Node.js running on Cloudflare Workers
- Use Wrangler CLI for deployment, edge routing, and observability
- Design and manage scalable relational schemas using Drizzle ORM with CockroachDB or PostgreSQL
- Build asynchronous processing pipelines using BullMQ (or equivalent queue systems)
- Integrate with Redis/Upstash for caching, session state, and task queues
- Connect backend services to EVM-compatible blockchains using Viem
- Read and write to smart contracts, manage wallet flows, and interact with on-chain data
- Collaborate closely with frontend engineers consuming your APIs, typically in React/Next.js apps
Own the full development lifecycle from design to production monitoring
Requirements
3+ years of experience in backend development with JavaScript/TypeScript
Strong production experience with Node.js and Cloudflare Workers
Deep knowledge of web3 fundamentals, including:
EVM architecture and smart contract interaction
Wallet flows and signature validation
RPC providers and event listening
Professional experience using Viem, ethers.js, or similar libraries
Proficiency with Drizzle ORM and SQL databases (CockroachDB/PostgreSQL)
Familiarity with Redis, Upstash, and distributed job queues (BullMQ, SQS, etc.)
Experience building and scaling APIs consumed by modern frontend stacks
Strong grasp of system design, testing, CI/CD, and performance optimization
Comfort in fast-paced, remote, and async-first teams
Nice to Have
Experience working in early-stage startups or contributing to open-source tools
Familiarity with additional web3 stacks (e.g., The Graph, ZK tech, cross-chain bridges)
Contributions to smart contracts (Solidity or otherwise)
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Β· 19 views Β· 6 applications Β· 27d
Affiliate SMM Manager (iGaming)
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· Upper-IntermediateWe are looking for an Affiliate SMM Manager to join our growing team in the iGaming and betting industry. Responsibilities: 1. Content Strategy Development Plan and execute content strategies tailored to the affiliate marketing space Adapt content for...We are looking for an Affiliate SMM Manager to join our growing team in the iGaming and betting industry.
Responsibilities:
1. Content Strategy Development
- Plan and execute content strategies tailored to the affiliate marketing space
- Adapt content for various platforms: Telegram, Instagram, Facebook, forums, media sites, TikTok, etc.
2. Social Media Management
- Manage daily posting, Stories, Reels, and videos
- Maintain consistent brand voice and visual identity across channels
3. Community Engagement
- Interact with followers via comments and direct messages
- Grow audience engagement and build a loyal community
- Run polls, giveaways, and other interactive content
4. Creative Content & Meme Marketing
- Create viral, timely, and humorous content
- Stay on top of internet trends and pop culture
- React quickly to trending news and events
5. Partnerships and Influencer Collaboration
- Identify and engage with partners, influencers, and ambassadors
- Manage and support joint social media activities
6. Analytics & Reporting
- Monitor key metrics: reach, engagement, follower growth
- Analyze content performance and adjust strategies accordingly
7. Paid Social Campaigns
- Set up and manage targeted ad campaigns to drive traffic to affiliate offers or products
Requirements:
- Minimum 1 year of experience in affiliate marketing, ideally within the iGaming sector
- Experience developing and executing content strategies in the affiliate space
- Solid understanding of various platforms and ability to tailor content for each
- Hands-on experience managing social media (posts, Stories, Reels, videos) with consistent branding
- Strong community management skills: engaging communication, organizing polls and giveaways
- Creative mindset with a strong sense of internet culture, memes, and viral content
- Quick response to trends and current events
- Experience working with bloggers, influencers, and partners
- Ability to analyze content performance and adjust based on data
- Basic knowledge of setting up and optimizing paid social media campaigns
We Offer:
- Work alongside industry professionals in the iGaming sector
- Fully remote position
- Competitive compensation in USDT, with a benefits package
- International and multicultural work environment
- Professional growth and learning opportunities
- Paid time off: 21 vacation days + 10 sick days per year
- English language courses
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Β· 39 views Β· 0 applications Β· 27d
Junior/Middle Account Manager
Office Work Β· Ukraine Β· Product Β· 1 year of experience Β· Upper-IntermediateWe are currently looking for a Junior/Middle Account Manager to support our Casino Manager team specifically in managing documentation and agreements with game content providers. Key Responsibilities: Preparing, reviewing, and coordinating contracts...We are currently looking for a Junior/Middle Account Manager to support our Casino Manager team specifically in managing documentation and agreements with game content providers.
Key Responsibilities:
- Preparing, reviewing, and coordinating contracts with providers (including NDAs, service agreements, appendices);
- Supporting the negotiation process by tracking terms and ensuring all documentation reflects agreed conditions;
- Handling provider-related documentation flow: tracking contract statuses, collecting signatures, and archiving;
- Gathering and submitting required documents and data for compliance checks;
- Communicating with providers on legal and documentation-related matters (under guidance of Casino Manager or Legal team);
- Maintaining and updating the internal database of provider agreements and documents.
Requirements:
- 1+ year of experience working with contracts, documentation, or in a partner/account management role (in iGaming, fintech, legal, or IT);
- Understanding of basic legal processes: contract preparation, coordination, and signing;
- Strong English skills (B2 or higher) - especially written communication for working with English-language documents and partners;
- Excellent attention to detail and organizational skills;
- Ability to manage multiple document flows simultaneously and work with structured data;
- Basic understanding of the iGaming market and how game providers operate (will be a plus but not mandatory).
Nice to Have:
- Experience working with game/content providers in the iGaming industry;
- Familiarity with contract lifecycle management tools or legal document workflows.
We Offer:
- No bureaucracy in decision-making and the opportunity to directly influence the product/project;
- Opportunities to learn or teach - we support internship and mentorship programs;
- Freedom to bring your ideas to life through your own initiatives;
- A supportive environment and a team that builds truly great products that change the market;
- Competitive salary based on IT/iGaming market standards + a full benefits package);
- A comfortable office in the center of Kyiv (walking distance from Zvirynetska/Lybidska metro) with a panoramic green terrace. The blackout issue is 100% solved;
- Paid vacation - 17 working days per year, with the ability to (almost) unlimitedly carry over unused days from the previous year;
- Extra days off - for special occasions such as weddings, childbirth, emergencies, and more;
- Referral bonus - we truly value when teammates refer their friends. In addition to working with a trusted person, we also reward you with a bonus;
- Relocation support - moving to a new city can be stressful and expensive, so we offer a relocation bonus to make the transition smoother.
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Β· 91 views Β· 27 applications Β· 27d
DevOps Engineer (with English)
Full Remote Β· EU Β· Product Β· 5 years of experience Β· Upper-IntermediateProduct company BETER announces a vacancy for a DevOps Engineer to develop and maintain infrastructure using modern technologies and practices. If you are interested in developing and automating infrastructure based on Terraform, managing containers using...Product company BETER announces a vacancy for a DevOps Engineer to develop and maintain infrastructure using modern technologies and practices. If you are interested in developing and automating infrastructure based on Terraform, managing containers using Kubernetes (especially AWS EKS), writing Helm charts, programming in Python, and using GitOps and GitLab CI, then this position is for you.
Necessary skills and requirements:
- Experience in infrastructure development and management using Terraform.
- Deep knowledge of Kubernetes, in particular AWS EKS, and the ability to work with Helm charts.
- Ability to program in Python for automation and development of DevOps tools.
- Experience in using GitOps and developing CI/CD pipelines based on GitLab.
- Knowledge and experience in working with tools such as ELK, Prometheus, and Grafana for monitoring and analysis.
- Ability to develop and maintain DevOps standards to improve infrastructure efficiency and reliability.It will be a plus:
- Experience using other infrastructure coding tools such as Ansible or Puppet.
- Experience in implementation and configuration of distributed tracking systems (distributed tracking systems), such as Jaeger or Zipkin or their analogs.
- Experience with Operator Lifecycle Manager.
- Experience in using Elasticsearch Index Lifecycle Management, Data Tiers.
- Experience in developing and maintaining microservices in the AWS environment.
- Knowledge of programming languages other than Python for automation and tool development.
- Experience in working with containers, databases, and other AWS services.
- Higher technical education or equivalent work experience.
- The constant search for an answer to the question "why" and "how to do better", but at the same time critical thinking to understand when it is rational to do it "better".Duties:
- Infrastructure development, configuration, and support using Terraform.
- Management and orchestration of containers based on Kubernetes (AWS EKS) and writing Helm charts.
- Development and support of tools for automation of deployment and monitoring.
- Implementation and development of GitOps standards and CI/CD processes based on GitLab.
- Configuration of logging and monitoring systems based on ELK (Elasticsearch, Logstash, Kibana), Victoria Metrics, and Grafana.
- Active participation in improving the company's infrastructure and development processes.
- Development and implementation of distributed tracking systems (distributed tracking systems), if necessary, and knowledge of such systems as Jaeger or Zipkin.
- Help in finding bottlenecks and performance problems, profiling requests to the DB, or to message brokers.What and how do teams work?
- Programming languages: .net core, PHP, node.js, python.
- Containerization and orchestration: Docker, Docker-Compose, Kubernetes (AWS EKS), Helm.
- Cloud services: AWS (S3, RDS, EC2, etc.).
- Monitoring and analytics: ELK (Elasticsearch, Logstash, Kibana), Victoria Metrics, Grafana.
- Versioning and CI/CD: GitLab CI.
- Non-RDBMS: Redis sentinel, MongoDB, Clickhouse.
- Message queues: Kafka (MSK).
- IoC tools: Terraform, Ansible, Helm, OLM.
- GitOps is soon..We offer:
More
- Ability to work remotely.
- Competitive and timely payment for services.
- Flexible work schedule.
- Personal mentoring and coaching.
- Team building and corporate events.
- 100% paid sick leave.
- 20 working days of paid vacation.
- Paid child care leave. -
Β· 25 views Β· 4 applications Β· 27d
Senior Fullstack Developer (Angular+React+Node)
Full Remote Β· Ukraine Β· 6 years of experience Β· Upper-IntermediateProject Description: The core business of our client is in operating a power exchange for Central Western Europe, the United Kingdom and the Nordic countries. The company develops own cloud platform which enables operation activity of the...Project Description:
The core business of our client is in operating a power exchange for Central Western Europe, the United Kingdom and the Nordic countries.
The company develops own cloud platform which enables operation activity of the business.
Platform aiming at managing local flexibility trading between Flexible Service Provider and TSOs / DSOs fostering renewable and demand response integration into the grid and coordinating TSO and DSO flexibility needs.
You will join an agile team responsible for the development, test, configuration and deployment of a market platform hosted on the Cloud (AWS, GCP) and based on a Kubernetes cluster.
Responsibilities:
Designing / Developing / Testing micro services solution following the guidelines from product/project management within an Agile/Scrum framework.
Maintain the devops & quality processes and be accountable for its application all along the development lifecycle through code reviews.
Supporting the product owner and the project manager in the creation, description, refinement of the user stories / tasks managed in the product backlog
Develop, test and validate proof of concept or architectural design patterns.
Providing support for technical proposals (technical solution definition and estimates) and demonstrations to potential customers/partners
Mandatory Skills Description:
PhD or Engineering Master degree in computer science with significant professional experiences ideally in the energy sector
6+ years of professional experiences on software development
Used to work in an Agile/Scrum framework
Good communication and presentation skills (oral and written)
Experiences with solutions using Time series (meter data) management
Strong technical expertise one the tech stack below:
- Software development: JS, TypeScript
- Front-end: Angular, React
- Back-end: NodeJS, Express.JS
- Database: PostgreSQL
- DevOps and CI/CD: gitlab, Jenkins
- Deployment: Docker, Kubernetes (EKS)
Nice-to-Have Skills Description:
Knowledge of micro services and event driven architectures principles and associated design pattern in a cloud AWS environment.
Technical expertise one the tech stack below:
- Front-end: Next.JS
- Database: NoSQL (Elasticsearch, Kafka)
- Software test: Cypress, Postman
- DevOps and CI/CD: gitlab, Jenkins
- Deployment: AWS, GCP, Docker, Kubernetes (EKS)
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Β· 78 views Β· 16 applications Β· 27d
Lead Generation Specialist (IT Sales)
Part-time Β· Full Remote Β· Countries of Europe or Ukraine Β· 2 years of experience Β· Upper-IntermediateLead Generation Specialist (IT Sales) Part-time | Remote | Long-term OnePlusOne Solutions is looking for a proactive and detail-oriented Lead Generation Specialist to help us grow our pipeline and bring in new clients through Upwork and other online...Lead Generation Specialist (IT Sales)
Part-time | Remote | Long-term
OnePlusOne Solutions is looking for a proactive and detail-oriented Lead Generation Specialist to help us grow our pipeline and bring in new clients through Upwork and other online channels.
Weβre a flexible international team working on design, development, and iGaming projects β and weβre looking for someone whoβs ready to grow with us.
What youβll do:
- Search and bid on relevant jobs on Upwork from our verified agency profile
- Research and engage potential leads on LinkedIn and other platforms
- Identify and qualify potential clients through multiple channels
- Track and enter lead data and activity in HubSpot
- Keep documentation and reporting organized and up to date
- Conduct intro calls with potential clients and pass warm leads to the team
- Collaborate closely with management to adjust strategies and priorities
Requirements:- Experience in lead generation and bidding on Upwork
- Confident communication skills for conducting intro calls with clients
- Basic understanding of IT services and outsourcing
- Proficiency in English (B2+ or higher), especially in written and spoken communication
- Attention to detail, structured workstyle, and consistency in reporting
- Experience with HubSpot (or willingness to learn quickly)
- Strong self-management and reliability
Preference will be given to female specialists, but all qualified applicants are welcome.
Format: Part-time, remote
Potential for long-term collaboration and growth -
Β· 150 views Β· 42 applications Β· 27d
Customer Support Specialist (Intercom)
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· Upper-IntermediateWe are looking for a Customer Support team player who will be an integral part of the memoryOS team and deliver exceptional service to our users. Weβre a remote team of 30+ diverse, like-minded professionals, united in solving the problem of the...We are looking for a Customer Support team player who will be an integral part of the memoryOS team and deliver exceptional service to our users.
Weβre a remote team of 30+ diverse, like-minded professionals, united in solving the problem of the forgetting curve.
As part of our team, you will manage a high volume of customer messages in Intercom, swiftly resolve issues, and effectively communicate key findings to drive continuous improvement.
Your ability to analyze feedback, refine communication approaches, and maintain a top-quality resolution time is essential to our mission of making it easier for people to remember whatβs important.
Are you ready to have a chance to significantly impact our usersβ lives by being part of a revolutionary approach to learning? Apply now!
Who are we?memoryOS makes it easy for people to remember whatβs important. Proven learning and memory techniques are merged with duolingo-like gamified e-learning with patented virtual mind palace tech. Co-founded by 2X World Memory Champion β Jonas von Essen.
We are proud to be the Most Funded App on Kickstarter. memoryOS was featured on TechCrunch and recognized by Google Brands Accelerator as βlight years ahead of any other company in memory space.β
What youβll be working on- Respond to customer inquiries daily via Intercom promptly and accurately.
- Able to fully function within Intercom. Know how to increase productivity by automating processes, creating macros, and tracking analytics via Intercom to increase productivity metrics like first response time.
- Embed cutting-edge automated response systems with trained AI.
- Troubleshoot and resolve customer issues related to account management, billing, app usage, and more.
- Document valuable customer interactions and feedback to improve the memoryOS experience. Log these and communicate them to the team in a self-regulated manner.
- Continue to train personal customer success knowledge (wisdom) to help ever-better the customer support team how to excel in handling inquiries, resolving issues, and maintaining high customer satisfaction.
- Maintain fast response speed and high customer satisfaction ratings and contribute to overall customer loyalty and retention.
- Collaborate with the Product and Marketing Teams to identify the best insights from feedback. Also, the areas of their application.
You will also get- Transparent management and regular feedback.
- Significant opportunities for professional growth and impact on product development.
- Enjoy a vacation and paid sick leave days to relax every year.
- Fully remote: youβre free to choose your productive work time and place.
About you- 3+ years of experience in Customer Success or Customer Support, with at least 1 year in a startup environment.
- Expert proficiency in Intercom, including analytics, macros, and ticketing system management.
- Strong analytical skills with a data-driven approach to problem-solving and process improvement.
- Ability to work independently with responsiveness and high responsibility, stepping up in times of need while collaborating effectively in a team-oriented environment.
- Highly empathetic, patient, and committed to exceptional customer service.
- A strong passion for technology, with a keen interest in learning and teaching others about our product.
- Experience of 2+ years with AI tools (such as ChatGPT) is highly important for information analytics and structuring.
- Proficiently apply Intercomβs tools, like Fin AI.
- Exceptional fluency in English, especially written English (C1)
Getting the jobEnjoy building a top-level product with us while gaining extensive professional experience in a company with an important mission.
Step by step for this position:- Interview with Recruiter (up to 45 min): Position discussion and check experience.
- Interview with Recruiter and Team Lead (1 hour): Check basic competencies, culture fit, and a detailed Ρase approach to identify experience.
- Debrief interview with CEO and Team Lead (30 min): Summarize experience and assess alignment with the companyβs values, culture, and strategic goals.
- Referral: Recommendations from the previous workplace.
- Offer call with HR (30 min): Discussion of a Job Offer Proposal.
More
We look forward to receiving your application! -
Β· 101 views Β· 22 applications Β· 27d
Operation Manager
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 1 year of experience Β· IntermediateAbout the Company: Ultiself is the #1 app for biohacking and self-improvement on the App Store and Google Play. The app uses AI to help people build daily routines to improve their mood, health, and productivity. But Ultiself is more than just an app....About the Company:
Ultiself is the #1 app for biohacking and self-improvement on the App Store and Google Play. The app uses AI to help people build daily routines to improve their mood, health, and productivity.
But Ultiself is more than just an app. We work on different health and wellness projects, including web platforms and mobile products. We partner with companies like RNK Health and Gaxos Health. Together, we work on topics such as: Fitness coaching, Personalized vitamin and supplement plans, Building a healthy lifestyle.
We are a fast-growing remote company. Our goal is to help people live better with the help of smart tools and technologies.
Who We Are Looking For:
We are searching for an Operations Manager who will help us organize, improve, and grow our daily operations. The ideal candidate is proactive, organized, and analytical, with experience in managing remote teams and working with digital products.
Requirements:
- 1+ year of experience as an Operations Manager or in a similar role (experience in startups is a plus)
- Experience working with remote teams and digital products
- Confident use of task management tools like ClickUp, Asana, or Jira
- Strong organizational skills and ability to set priorities
- Ability to analyze metrics and prepare clear reports
- Basic understanding of product development processes
- Ability to work independently and take initiative
- Good spoken and written English (B1+ or higher)
- Comfortable working in a fast-paced, multitasking environment
- Strong communication skills and ability to coordinate across teams
Responsibilities:
- Manage and improve day-to-day operational processes
- Make sure the team follows standard procedures (SOPs)
- Coordinate communication between development, marketing, and support teams
- Set tasks, track progress, and keep project documentation updated
- Work in ClickUp and help the team stay on track with deadlines
- Analyze operations performance and prepare reports
- Suggest ways to reduce routine work and automate processes
- Help with cost tracking and tool optimization
- Support the hiring and onboarding of new team members
- Monitor customer support quality and turn feedback into improvement tasks
Interview Process:
- HR Interview β 30 minutes
- Interview with Operation Manager β 45 minutes
- Final Interview with CEO β 15 minutes
Work Conditions
- Full-time, remote position (you must be available at least until 2:00 PM NYC time / 21:00 Kyiv time).
- Salary: Up to $1500/month (commensurate with experience).
- 5 paid sick days, 20 paid vacation days per year after probation.
- 2-3 month probationary period.
We will get in touch within 3 working days if your profile matches the role.
We look forward to hearing from you!
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Β· 279 views Β· 102 applications Β· 27d
Java Developer
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· Upper-IntermediateOur client operates in the MedTech industry, helping their customers with their clinical trial workflows. They have developed an AI platform and solutions that help to quickly find and select the best sites for study protocols β and continuously optimize...Our client operates in the MedTech industry, helping their customers with their clinical trial workflows. They have developed an AI platform and solutions that help to quickly find and select the best sites for study protocols β and continuously optimize site performance after activation. It streamlines manual tasks, freeing up time to focus on delivering better patient care.
They are currently looking for a Java Developer to join their team, and that person will be responsible for:- Developing new features, components, and modules to support organizational growth;
- Participating in planning, analysis, and design of new software solutions;
- Working closely with UI and UX teams to translate business requirements into working products;
- Investigating, troubleshooting,β―and remedyingβ―performance bottlenecks in the application flow;
- Learningβ―new technologies and keepsβ―up with both traditional and emerging best practices;
- Workingβ―independently and collaborateβ―with other members of the team to ensure successful delivery of projects.
Qualifications:
- 5+ years of Java hands-on experience, developer with high level skills (preferably, with some architecture skills);
- Experience with Server Side Java;
- Database experience (like Postgres or similar);
- Experience with Spring (exposure to SpringAI would be a plus);
- Experience with tools like Langchain and LangGraph
- Understanding of and exposure to AI;
- Knowledge of building Agentic AI type of skills and workflows.
We offer:
- Competitive market salary;
- Fully remote work;
- Convenient and somewhat flexible work hours (you will have to work until 20:00 Kyiv time GMT+3, or 1 pm EST);
- 28 days of paid unbillable time per calendar year;
- Working on a very socially valuable product alongside a highly professional, US-based, international team;
- Interesting challenges and the ability to grow and learn.
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Β· 131 views Β· 13 applications Β· 27d
Billing Manager \ Payment Specialist
Part-time Β· Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 3 years of experience Β· Upper-IntermediateAbout the Company: Ultiself is the #1 Biohacking & Self-Improvement app on the App Store and Google Play. Powered by AI, Ultiself helps users build custom daily routines to boost their mood, health, and productivity. We are not just an app β we are an...About the Company:
Ultiself is the #1 Biohacking & Self-Improvement app on the App Store and Google Play. Powered by AI, Ultiself helps users build custom daily routines to boost their mood, health, and productivity.
We are not just an app β we are an ecosystem of wellness. Ultiself operates multiple health and wellness-related projects, including web platforms and mobile solutions in partnership with companies like RNK Health and Gaxos Health. These platforms focus on areas such as: Fitness coaching, Personalized supplement & vitamin intake, Healthy lifestyle optimization.
We are a fast-scaling remote-first company with a mission to revolutionize health through technology.
About the Role:
We are looking for a Billing Manager with hands-on experience in payment systems and billing optimization. Your primary mission will be to improve payment approval rates and ensure a smooth and scalable billing infrastructure across our projects.
This is a part-time opportunity for someone with strong analytical thinking, technical expertise in payment flows, and experience working with international payment systems.
Key Responsibilities:
- Manage and optimize integrations with payment providers (e.g., Solidgate, Stripe, or similar).
- Improve approval rates, rebill success, and decline recovery.
- Customize billing logic for different countries/regions and optimize retry rules.
- Monitor and reduce risk metrics: fraud rate, chargebacks, blacklist triggers, etc.
- Collaborate with product, finance, customer support, and risk teams to resolve billing issues.
- Monitor performance via dashboards (Looker / Tableau / or similar BI tools).
- Analyze and uplift billing KPIs: LTV, churn, ARPU, velocity rules.
- Implement and test new billing strategies to improve revenue flow.
- Support regular billing audits and ensure compliance with financial policies.
- Stay current on industry regulations (PCI DSS, GDPR, etc.) and fraud prevention trends.
Requirements:
- 3+ years of experience as a Billing Manager, Payment Specialist, or similar role in SaaS, e-commerce, or mobile/web platforms.
- Deep understanding of payment ecosystems: banks, gateways, multi-currency processing, regional regulations.
- Experience with retry logic, rebill flows, and decline recovery techniques.
- Strong analytical mindset and experience working with metrics like approval rate, churn, and fraud ratio.
- Comfortable working across time zones and teams in a fast-paced environment.
- Strong communication and documentation skills.
- Experience with Looker, Tableau, or similar BI tools.
Interview Process:
- HR Interview β 30 minutes
- Interview with Head of Product β 45 minutes
Final Interview with CEO β 15 minutes
What We Offer:
- Part-time remote flexibility (ideal for professionals managing multiple clients)
- Opportunity to work with cutting-edge health & wellness platforms
- Collaborative international team
- Direct influence on billing performance and company revenue
- Competitive compensation based on experience and impact
We will get in touch within 3 working days if your profile matches the role.
We look forward to hearing from you!
More -
Β· 309 views Β· 123 applications Β· 27d
Backend QA Engineer
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 2 years of experience Β· Upper-IntermediateDescription Our team is working on providing a quality assurance for a set of services that support the companyβs operational activities starting from the gaming platform itself, back-offices, APIs and ending with our websites. We are a team that is...Description
Our team is working on providing a quality assurance for a set of services that support the companyβs operational activities starting from the gaming platform itself, back-offices, APIs and ending with our websites. We are a team that is working towards step-by-step improvement of our job processes.
We are looking for a team member who would be able to perform manual testing of web interfaces and API methods.
We work remotely, formal meetings are kept to a minimum - one stand-up per week, and the rest according to the work needs. Our focus is the balance between product quality and results for the business, to maintain the projectβs long-term sustainability and the teamβs great mood in the process.
We strive to deliver a product that we can be proud of :)
Requirements- 2 years of experience (Junior\Middle) in manual testing;
- Experience with web and API testing, functional testing;
- Decent level of experience-based testing;
- Understanding of HTTP protocol and client-server architecture;
- Experience with browser developer tools;
- Ability to create technical documentation, bug reports, and test cases;
- Intermediate+ level of written English;
- Desire to develop automation skills would be a plus.
Responsibilities- UI/UX/functionality testing of our web interfaces (focus on functionality);
- API methods testing;
- Test cases and technical documentation writing;
- Reporting bugs/creating tasks to development teams;
- Collaboration with team members on different work aspects.
Technology stack
- Jira and Confluence;- Testrail/Testmo;
- Postman (POST/GET requests understanding, URL structure), Swagger;
- Browser developer tools (Chrome DevTools, etc);
- Kibana.
Benefitsπ° Be part of the international iGaming industry β Work with a top European solution provider and shape the future of online gaming;
π A Collaborative Culture β Join a supportive and understanding team;
π° Competitive salary and bonus system β Enjoy additional rewards on top of your base salary;
π Unlimited vacation & sick leave β Because we prioritize your well-being;
π Professional Development β Access a dedicated budget for self-development and learning;
π₯ Healthcare coverage β Available for employees in Ukraine and compensation across the EU;
π« Mental health support β Free consultations with a corporate psychologist;
π¬π§ Language learning support β We cover the cost of foreign language courses;
π Celebrating Your Milestones β Special gifts for lifeβs important moments;
β³ Flexible working hours β Start your day anytime between 9:00-11:00 AM;
π’ Flexible Work Arrangements β Choose between remote, office, or hybrid work;
π₯ Modern Tech Setup β Get the tools you need to perform at your best;
π Relocation support β Assistance provided if you move to one of our hubs.
More
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Β· 75 views Β· 7 applications Β· 27d
Senior .Net CRM and AWS developer to $5500
Hybrid Remote Β· Bulgaria Β· Product Β· 3 years of experience Β· Upper-IntermediateJob Title: Senior Software Developer (.NET, CRM, AWS) Location: Hybrid from Sofia, Bulgaria (accepting people who want to relocate) Department: Software Engineering Reports to: Engineering Manager / CTO Job Type: Full-time Seniority Level: Senior ...Job Title:
Senior Software Developer (.NET, CRM, AWS)
Location: Hybrid from Sofia, Bulgaria (accepting people who want to relocate)
Department: Software Engineering
Reports to: Engineering Manager / CTO
Job Type: Full-time
Seniority Level: Senior
Job description :
We are looking for a highly skilled and experienced Senior Software Developer with deep expertise in .NET development, CRM platforms (preferably Microsoft Dynamics 365 or Salesforce), and Amazon Web Services (AWS). You will be responsible for designing, developing, and maintaining robust software solutions that integrate these platforms, ensuring scalability, performance, and reliability.
Key Responsibilities:
.NET Development
- Design and develop enterprise-level applications using C# and .NET (Core / Framework).
- Implement RESTful APIs, microservices, and backend services.
- Optimize existing code for performance, scalability, and maintainability.
Perform code reviews and mentor junior developers.
CRM Development
- Customize and extend CRM platforms (e.g., Dynamics 365, Salesforce) based on business requirements.
- Integrate CRM systems with internal/external tools using APIs, middleware, or ETL tools.
- Develop plugins, workflows, and UI customizations.
- Work with business analysts to translate customer requirements into technical specifications.
Cloud & AWS
- Architect and deploy scalable solutions on AWS.
- Use AWS services such as Lambda, S3, RDS, EC2, CloudFormation, API Gateway, etc.
- Implement CI/CD pipelines using CodePipeline, CodeBuild, or third-party tools (e.g., GitHub Actions).
- Monitor and optimize cloud infrastructure for security and cost-efficiency.
Required Qualifications:
5+ years of professional experience in software development with a strong focus on .NET.
- Proven experience with at least one CRM platform (Dynamics 365, Salesforce, or equivalent).
- 2+ years of hands-on AWS experience, including deployments and architecture.
- Strong understanding of software engineering best practices: OOP, SOLID, design patterns, etc.
- Proficiency in SQL and experience with relational databases (SQL Server, PostgreSQL, etc.).
- Experience with Agile/Scrum methodologies and DevOps practices.
Preferred Skills:
- Certifications in AWS, .NET, or CRM platforms.
- Knowledge of containerization (Docker, Kubernetes).
- Experience with front-end frameworks (e.g., Angular, React) is a plus.
- Familiarity with Identity Management and SSO solutions (OAuth, Azure AD, etc.).
Soft Skills:
- Excellent problem-solving and analytical skills.
- Strong communication and interpersonal skills.
- Ability to lead technical discussions and make architectural decisions.
- Capable of working independently and collaboratively in a fast-paced environment.
What We Offer:
- Competitive salary and benefits.
- Hybrid work from Sofia.
- Career development opportunities.
- Access to training and certifications.
- A collaborative and innovative team environment.
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Β· 497 views Β· 76 applications Β· 27d
Manual QA Engineer (Mobile)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 1 year of experience Β· Upper-IntermediateJoin United Tech as a Manual QA Engineer and take ownership of quality at every stage of the product lifecycle. In this role, you will partner closely with developers, product managers and UX designers to identify and resolve critical issues before they...Join United Tech as a Manual QA Engineer and take ownership of quality at every stage of the product lifecycle. In this role, you will partner closely with developers, product managers and UX designers to identify and resolve critical issues before they reach our users. We are looking for a proactive professional who is passionate about refining processes, elevating standards and delivering exceptional mobile experiences at scale. Your insights and dedication will directly shape users satisfaction and drive our companyβs growth
About the product: Our streaming app, launched on iOS in 2021 and Android in 2023, connects like-minded people in a safe and welcoming space. Designed for the USA and Tier-1 markets, it offers a sleek, intuitive user experience with high-quality video without any ads! You will work on fresh, exciting features in a fast-paced environment.
With Scrum methodology guiding our processes and a supportive, responsive management team, you will find a dynamic space where your ideas can thrive. Weβve proven our resilience by adapting to remote work without missing a beat. Π‘ome help us take things to the next level!
In this role, you will- Perform manual backend testing using API tools and databases
- Conduct smoke, sanity, and regression testing of the iOS and Android mobile applications
- Create and maintain test documentation (test cases, bug reports, checklists)
- Collaborate in SCRUM ceremonies and follow the SDLC
- Plan and execute A/B tests
- Test internal products such as the admin panel
- Investigate and reproduce bugs
- Compile and deliver testing reports
- Continuously improve testing speed and quality
- Perform functional testing of new features
Itβs all about you- 1β2 years of hands-on mobile testing experience (iOS & Android)
- Proficiency with API tools such as Postman and Swagger
- Familiarity with proxy/debugging tools (Proxyman, Charles, Fiddler, etc.)
- Experience using MongoDB Compass (querying, editing, and deleting data)
- Proficient in Jira and Confluence
- Solid understanding of SCRUM processes
- Strong ability to analyze requirements
- Meticulous attention to detail
- Excellent verbal and written communication
- Critical and analytical thinking
- Strong collaboration and teamwork
- Proactive problem-solving
- Adaptability and learning agility
- Effective time management and prioritization
- Curiosity and a drive for continuous improvement
- Initiative in identifying and acting on opportunities to enhance quality
Would be a plus:
- Experience testing web applications
- Experience with A/B testing
What we offerCare and support:
- 20 paid vacation days, 15 sick days, and 6 additional days off for family events
- Up to 10 additional days off for public holidays
- 100% medical insurance coverage
- Sports and equipment reimbursement
- Team building events, corporate gifts, and stylish merch
- Financial and legal support
- Position retention and support for those who join the Armed Forces of Ukraine
Participation in social initiatives supporting Ukraine
Comfortable working environment:
- Work from our Kyiv hub or remotely with a flexible schedule
- Workspace rental reimbursement in other cities and abroad
Modern equipment or depreciation of your own tools
Investment in your future:
- Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
- 70% of our heads and leads have grown into their roles here β so can you!
- Performance-oriented reviews and Individual Development Plans (IDPs)
- Reimbursement for professional courses and English classes
- Corporate library, book club, and knowledge-sharing events
Hiring process
- Intro call
- Technical Interview
- Test task
- Final Interview
- Reference check
- Offer
More
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Β· 358 views Β· 88 applications Β· 27d
Vue.js Developer (Junior/Middle level)
Full Remote Β· Worldwide Β· 1 year of experience Β· IntermediateWeβre looking for a Vue.js Developer (Junior/Middle level) to join an early-stage startup team (AI/Healthcare domain) If youβre proactive, flexible and excited about building something from the ground up β weβd love to hear from you! Requirements: 1+...Weβre looking for a Vue.js Developer (Junior/Middle level) to join an early-stage startup team (AI/Healthcare domain) If youβre proactive, flexible and excited about building something from the ground up β weβd love to hear from you!
π§ Requirements:
- 1+ years of experience with Vue.js
- Solid understanding of front-end development principles
- Basic knowledge of back-end technologies is a strong plus (no specific language required)
- Ability to work independently and take initiative
- Strong interest in startups and agile environments
π What We Offer:
- Full-time workload
- Time & Material model
- Fully remote and flexible working hours
- Opportunity to grow with the product and team
If you're looking for a role where you can make an impact, work with autonomy, and help shape a product from day one β letβs connect!
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Β· 247 views Β· 102 applications Β· 27d
Middle .NET Developer (C# / JavaScript / SQL)
Full Remote Β· Worldwide Β· 3 years of experience Β· Upper-IntermediatePosition: Middle .NET Developer (C# / JavaScript / SQL) β³ Duration: 6 months (with possible extension to 12 months) Engagement: Full-time, Remote Weβre looking for a skilled .NET Developer (mid-level) to join a long-term software development...πΉ Position: Middle .NET Developer (C# / JavaScript / SQL)
β³ Duration: 6 months (with possible extension to 12 months)
π Engagement: Full-time, Remote
Weβre looking for a skilled .NET Developer (mid-level) to join a long-term software development project. The initial contract is full-time for 6 months, with a strong possibility of extension to 12 months based on performance and project progress.
π§ Requirements:
- 3+ years of commercial experience with C# and .NET Framework
- Strong SQL skills (query writing, optimization)
- Solid knowledge of JavaScript
- Good English communication skills (written and spoken)
- Ability to work independently and collaborate with a distributed team
π Nice to Have:
- Experience with 3D development technologies (e.g., Unity 3D)
π What We Offer:
- A technically engaging and stable project
- Long-term cooperation potential
- Flexible schedule and fully remote setup
- Clear communication and a supportive environment