Jobs at Djinni
9202-
Β· 343 views Β· 100 applications Β· 8d
Senior Data Analyst
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· IntermediateWeβre looking for a data-driven leader who can turn complex data into strategic decisions. Youβll be responsible for building the full analytics ecosystem β from raw data extraction to impactful, visual dashboards. Responsibilities Build dashboards using...Weβre looking for a data-driven leader who can turn complex data into strategic decisions. Youβll be responsible for building the full analytics ecosystem β from raw data extraction to impactful, visual dashboards.
Responsibilities
- Build dashboards using Tableau, Power BI or similar tools
- Extract, transform, and validate data using SQL, BigQuery
- Create clear reports, data visualizations, and actionable recommendations
- Identify patterns in player behavior and performance trends
- Work with data across finance, CRM, product, and traffic metrics
Requirements
- 3+ years of experience in analytics / BI / data science
- Strong command of SQL
- Advanced skills in Tableau or other BI tools
- Solid understanding of LTV, ROI, NGR, ARPU, segmentation
- Experience in iGaming or fintech is a strong plus
We Offer
- High level of autonomy and influence on business decisions
- Work with large-scale data in a fast-growing industry
- Competitive compensation
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Β· 73 views Β· 15 applications Β· 8d
Media Buyer
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· IntermediateWeβre looking for an experienced Media Buyer with strong expertise in paid traffic channels (Push, Pop, Native, Video). Youβll be responsible for launching and scaling performance campaigns in a highly competitive environment. Responsibilities Launch,...Weβre looking for an experienced Media Buyer with strong expertise in paid traffic channels (Push, Pop, Native, Video). Youβll be responsible for launching and scaling performance campaigns in a highly competitive environment.
Responsibilities
- Launch, monitor, and optimize advertising campaigns
- Work with tracking platforms (Keitaro, Binom, Voluum)
- Test new traffic formats and affiliate platforms
- Collaborate with designers and write briefs for creatives
- Analyze campaign performance and improve CR / ROI
Requirements
- 2+ years of experience in media buying (iGaming or traffic arbitrage preferred)
- Strong knowledge of push, pop, native, video traffic formats
- Experience managing large ad budgets and campaign analytics
- Solid understanding of CPC, CPM, ROI, LTV metrics
- Confident with Excel and strong analytical skills
- English level: B2 or higher
Nice to Have
- Experience in iGaming, betting, crypto, or adult verticals
- Spanish or Portuguese language skills
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Β· 313 views Β· 54 applications Β· 29d
Senior Automation QA
Full Remote Β· EU Β· Product Β· 3 years of experience Β· Upper-IntermediateHello! Weβre Wildix, a global leader in Unified Communications & Collaboration as a Service (UCaaS) and weβre on a mission to redefine how businesses connect. Our secure, web-based and AI-powered solutions help companies around the world collaborate...Hello! β¨
Weβre Wildix, a global leader in Unified Communications & Collaboration as a Service (UCaaS) and weβre on a mission to redefine how businesses connect. Our secure, web-based and AI-powered solutions help companies around the world collaborate smarter, serve customers better and grow stronger β and we want you to help shape whatβs next.
About Usβ¦In 2005, brothers Dimitri and Steve Osler set out to reimagine how businesses communicate, and that vision became Wildix. Today, from our headquarters in Tallinn, Estonia, Wildix is one of the worldβs fastest-growing UCaaS companies, with 300+ team members from 15+ nationalities, working across Europe, the UK, the Americas and beyond. We serve businesses in 135+ countries through a partner-first ecosystem, delivering secure, intuitive solutions that keep companies connected, productive and ready for whatβs next.
At Wildix, we donβt just build technology, we live it. As a remote-first company, we rely on our own platform every day to collaborate globally and innovate fast. With steady growth and a strong foundation, we offer real opportunities to advance your career as we scale, making an impact in a global team thatβs shaping the future of work.
At Wildix, our mission is clear: Empower companies worldwide with seamless communication solutions that drive productivity, efficiency, and growth.
About The Role
We are looking for a Middle AQA Engineer to join our team. You will work on an innovative Real-Time Collaboration Platform including Conferencing, Audio calls, Integrations and Chat as well as multiple other services.
What You Will Doβ¦
- Define test automation strategy
- Test data and test environment preparation
- Test case adjustments for automated testing needs
- Creating E2E regression, functional and Visual Regression Testing autotests
- Creating API autotests
- Analysis of regression reports and raising bugs effectively
- Maintaining and improving the automated testing framework
- Taking an active part in Kanban meetings, using Kanban/DevOps practices and techniques
- Using, analyzing, maintaining, and improving QA processes and practices, as well as implementing new practices that will optimize the delivery of work items on all stages
- Follow the working schedule of 10:00β19:00 (or 09:00β18:00) UA time
What You Will Bringβ¦- 3+ years of commercial experience as a QA Automation
- Advanced experience in auto-testing web and mobile apps using Javascript, Appium, and one of auto-testing frameworks (WebdriverIO, Playwright, Selenium etc.)
- Basic experience with Git
- Linux knowledge (user / confident user)
- Solid understanding of test design techniques and types of testing
- Good knowledge of QA Automation best practices
- Good communication skills, a strong sense of responsibility, attentiveness, and good learning skills
- Upper-intermediate level of English
Bonus Points If Youβ¦
- Have experience in test automation with WebdriverIO
- Have experience in CI/CD integration (Jenkins, Gitlab CI etc.)
- Have experience with cloud technologies (AWS)
- Worked with TestRail, JIRA
Why Youβll Love It Hereπ« Work with a Supportive, High-Performing Team β We believe in trust, autonomy, and working with bright, passionate individuals who drive real impact.
π A Truly International Workplace β Our diverse and inclusive team ensures youβll always feel connected and supported, no matter where you are.
π Shape the Future of Global Communication β Be part of a team transforming how businesses operate in an era of remote work and AI-powered collaboration.
πΌ Join a Profitable & Stable Company β Weβre not a startup experiment, weβre a two decade old success story with sustained profitability, meaning we can back your boldest ideas.
What We OfferποΈ Generous Time Off β Take the breaks you need to relax, recharge, and come back inspired.
π» Top-Tier Tech β Love Mac? So do we! We equip our team with the best tools for success.
π Level Up Your Skills β After your probation period, you can enroll in English classes to boost your communication skills.
π Career Growth & Development β We cover certifications and IT conferences to keep you at the top of your game.
π± Well-being Support β We offer access to psychology sessions to support your mental and emotional health
Happy with them? We offer even more! Our Benefits are country-specific, you can ask your recruiter for more information
Interview Processπ€ Step 1: Initial Screening β A chat with our Talent Team to understand your background, experience, and motivations (30 mins)
π― Step 2: Final Interview β A conversation with leadership or cross-functional team members to ensure alignment with our values and mission (60 mins)
We Are Wildix:
Wildix is an equal-opportunity employer. We value diversity and welcome all applicants regardless of race, gender, age, religion, or any other characteristic. Everyone is encouraged to apply and is welcome to join our Blue Ecosystem.
Ready to join us? Apply Now!
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Β· 101 views Β· 1 application Β· 7d
Team Lead Back-end Developer (Node.js)
Office Work Β· Poland Β· Product Β· 6 years of experience Β· Upper-IntermediateAn international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking...An international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!We are looking for a skilled Team Lead Back-end Developer (Node.js) with relocation to Cyprus.
β Responsibilities:
βοΈ Being transparent with the team about challenges, failures, and successes
βοΈ Hiring and training technical personnel
βοΈ Determining project requirements and developing work schedules for the team
βοΈ Delegating tasks and achieving daily, weekly, and monthly goals
βοΈ Liaising with team members and management to ensure projects are completed to standard
βοΈ Motivating staff and creating a space where they can ask questions and voice their concerns
βοΈ Delegating work and assignments to team members
βοΈ Collaborating with their team to identify and fix technical problems
βοΈ At least upper -Intermediate lvl of English
And for the Developer part:
βοΈ In-house platform development
βοΈ 3rd party API integrations
βοΈ Actively participate in developing new features from scratch
β Requirements:
βοΈ At least 8+ years of experience, 3+ years in leadership
βοΈ Excellent technical, diagnostic, and troubleshooting skills
βοΈ Strong leadership and organizational abilities
βοΈ Knowledge of JavaScript and the ECMAScript 6 standards
βοΈ 3+ years of commercial experience with Node.js
βοΈ 5+ years of commercial experience in web development
βοΈ Commercial experience of working with DB
βοΈ Commercial experience of implementing the REST and WebSockets
βοΈ Experience of GIT version control system
βοΈ Experience with databases MySQL
βοΈ Experience with RabbitMQ
βοΈ Experience with Redis
β Nice to Have:
βοΈ Experience with TypeScript
β We offer excellent benefits, including but not limited to:
π§π»βπ» Learning and development opportunities and interesting challenging tasks;
π Official employment in accordance with the laws of Cyprus and the EU, registration of family members;
βοΈ Relocation package (tickets, staying in a hotel for 2 weeks);
ποΈββοΈ Company fitness corner in the office for employees;
π Opportunity to develop language skills and partial compensation for the cost of language classes;
π Birthday celebration present;
π Time for proper rest and 24 working days of Annual Vacation;
π² Breakfasts and lunches in the office (partially paid by the company).
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Β· 41 views Β· 2 applications Β· 7d
Senior Node.js Developer
Office Work Β· Poland Β· Product Β· 5 years of experience Β· Upper-IntermediateWe are looking for a skilled Senior Node.js Developer, who will join our team in the office in Warsaw. Requirements: Strong knowledge of JavaScript and the ECMAScript 6 standards 3+ years of commercial experience with Node.js and Nest.js 5+...We are looking for a skilled Senior Node.js Developer, who will join our team in the office in Warsaw.
β Requirements:
βοΈStrong knowledge of JavaScript and the ECMAScript 6 standards
βοΈ3+ years of commercial experience with Node.js and Nest.js
βοΈ5+ years of commercial experience in web development
βοΈCommercial experience of working with high loaded SQL or NO SQL databases
βοΈCommercial experience of implementing the REST, GraphQL and WebSockets
βοΈUnderstanding of the TDD principles and experience of writing tests
βοΈUnderstanding of microservice architecture principles
βοΈExperience of GIT version control system
βοΈExperience with RabbitMQ
βοΈExperience with Redis
βοΈExperience with databases MongoDB, MySQL
βοΈAt least Intermediate lvl of English
β Will be a plus:
βοΈ2+ years of hands-on experience developing over CI/CD/Micro Services architecture/Containers
βοΈExperience with Kubernetes
βοΈExperience with Nats
βοΈExperience with TypeScript
β Duties and opportunities:
βοΈIn-house platform development
βοΈ3rd party API integrations
βοΈActively participate in developing new features from scratch
β We offer excellent benefits, including but not limited to:
π Career growth opportunities in an international and dynamic environment;
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π Opportunity to develop language skills with partial compensation for language courses;
π Special gifts for birthdays, weddings, and newborns;
ποΈ 20 working days of paid annual vacation, plus paid sick leaves;
π² Office snacks and refreshments;
ποΈββοΈ Sports package to support a healthy lifestyle;
π©Ί Comprehensive medical insurance for you and your partner;
π Comfortable office with great facilities in a prime location;
π Exciting corporate events, team-building activities, and international company parties. -
Β· 47 views Β· 3 applications Β· 7d
Senior Full Stack Developer (Node.js / React)
Office Work Β· Portugal Β· Product Β· 5 years of experience Β· Upper-IntermediateAn international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking...An international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!We're looking for a Senior Full Stack Developer with experience in Node.js and React (80% Backend & 20% Frontend) to join our development team in Lisbon, Portugal!
β Responsibilities:
βοΈ Design, implement, and optimize robust solutions to enhance our proprietary platform, ensuring high performance, scalability, and security.
βοΈ Develop and maintain complex integrations with external APIs and partner systems, ensuring data consistency and alignment with technical requirements.
βοΈ Actively participate in all stages of creating new features, from initial concept and technical design to implementation and final delivery.
βοΈ Contribute to the development and continuous improvement of our proprietary fintech solution, ensuring innovation and alignment with market and user needs.
βοΈ Collaborate in agile development cycles with bi-weekly sprints, utilizing practices such as SCRUM, grooming, and sprint planning to deliver consistent value to the product.
βοΈ Identify opportunities for technical and process enhancements, driving innovation and efficiency throughout the software development lifecycle.
βοΈ Work closely with design, product, and other stakeholders to ensure solutions meet customer and business expectations.
β Requirements:
βοΈ 5+ years of commercial experience in web development.
βοΈ 3+ years of commercial experience with Node.js.
βοΈ 3+ years of commercial experience as a Frontend Engineer with React.
βοΈ Experience with NextJS, NestJS, Apollo, Material.
βοΈ Experience with TypeScript.
βοΈ Commercial experience with high-loaded SQL or NoSQL databases.
βοΈ Experience with REST, GraphQL, WebSockets.
βοΈ Understanding of TDD principles and writing tests.
βοΈ Understanding of microservice architecture principles.
βοΈ Experience with Git version control system.
βοΈ Experience with RabbitMQ.
βοΈ Experience with Redis.
βοΈ Experience with MongoDB, and MySQL databases.
βοΈ Advanced level of English.
β We offer excellent benefits, including but not limited to:
π§π»βπ» Learning and development opportunities and interesting, challenging tasks.
βοΈ Relocation package (tickets, staying in a hotel for up to 2 weeks, and visa relocation support for our employees and their family members).
π Opportunity to develop language skills, with partial compensation for the cost of English and Portuguese language classes (for localization purposes).
πΎ Partial compensation for tennis and padel lessons.
π Urban Sport membership benefit (the most diverse sports and wellness offering in Europe, with more than 50+ activities).
π₯ Private medical coverage, including inpatient, outpatient, dental care, annual check-ups, and maternity support.
π Time for proper rest, with 24 non-business days per year and an additional 6 paid sick days.
π Transport compensation - 300 euros net per month.
π Competitive remuneration level with annual review.
π€ Teambuilding activities.β Recruitment Process:
1. Interview with the Recruiter.
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2. Technical Assessment via HackerRank.
3. Technical Interview with the Technical Team.
4. Final Interview with the Hiring Leads.
5. Offer. -
Β· 90 views Β· 7 applications Β· 7d
Senior Flutter Developer
Office Work Β· Poland Β· Product Β· 5 years of experience Β· Upper-IntermediateAn international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking...An international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!
We are looking for a skilled Senior Flutter Developer. (Poland, Portugal)
β Responsibilities:
βοΈ Development and improvement of crucial components of the platform
βοΈ Make the product testable
βοΈ Participate in grooming, planning, tech, and estimation sessions
βοΈ Make your own decisions on the architecture level
βοΈ Bring fresh and innovative ideas into the companyβs processes
βοΈ Support and improve product documentation
βοΈ Couch Middle/Junior team members
βοΈ Code reviewβ Requirements:
βοΈ 3+ years of hands-on mobile development experience (Android or iOS)
βοΈ 2+ years of hands-on Flutter development experience (at least 1 application released in the store)
βοΈ Solid knowledge of Dart (including Dart streams / RxDart)
βοΈ Solid knowledge of mobile architecture principles
βοΈ Good knowledge of OOP/SOLID principles
βοΈ Good knowledge of REST and Sockets
β Nice to Have:
βοΈ KotlinβοΈ Java
βοΈ Swift
βοΈ Experience with CI/CD process
βοΈ Experience with Unit and Functional testing of mobile applications
β We offer excellent benefits, including but not limited to:
π§π»βπ»Learning and development opportunities and interesting challenging tasks;
πOfficial employment in accordance with the laws of Cyprus and the EU, registration of family members;
βοΈ Relocation package (tickets, staying in a hotel for 2 weeks);
ποΈββοΈ Company fitness corner in the office for employees;
π Opportunity to develop language skills and partial compensation for the cost of language classes;
π Birthday celebration present;
π Time for proper rest and 24 working days of Annual Vacation;
π² Breakfasts and lunches in the office (partially paid by the company).
More -
Β· 36 views Β· 1 application Β· 1d
Senior Python Developer
Portugal Β· 7 years of experience Β· Advanced/FluentAbout us Syndicode is a value-driven software development partner with a globally distributed team of engineers, designers, architects, and IT managers. We are united by the mission to provide our clients with software products and services that perform,...About us
Syndicode is a value-driven software development partner with a globally distributed team of engineers, designers, architects, and IT managers. We are united by the mission to provide our clients with software products and services that perform, look, and work as designed.
We believe that our people and culture are key contributors to Syndicodeβs continuous success. Shared principles, including Accountability, Involvement, Excellence, Visibility, Integrity, Innovation, Win-Win, and Flexibility, unify our team. Syndicoders are professionals who pursue self-improvement through continual learning, are eager to introduce improvements to work processes, and can analyze various sources to make sound and timely decisions.
If it sounds like you, apply for our vacancies and become a new Syndicoder!About the role:
As a Senior Python Developer at Syndicode, you'll build reusable, scalable, and efficient backend systems that power our high-availability, low-latency applications. You will work across microservices and monolithic architectures, design APIs, integrate with cloud platforms, and push the boundaries of modern AI agentic web applications.
Youβll collaborate with cross-functional teams, contribute to architectural decisions, and help us deliver intelligent, performant, and secure digital products.
What youβll be doing:
Development and Architecture:
-Design and build scalable backend systems and RESTful APIs using Django and FastAPI;
-Work with both monolithic and microservice architectures;
-Develop and integrate authentication mechanisms, API gateways, and security practices;
-Ensure system performance, reliability, and fault tolerance in production environments;
-Collaborate with stakeholders to understand business needs and deliver impactful backend solutions.
- Cloud & Infrastructure:
-Deploy and manage applications on AWS or GCP;
-Work with containerization tools like Docker; experience with Kubernetes is a plus;
-Set up CI/CD pipelines and automation for deployments. - Monitoring, Testing & Observability:
-Implement observability and monitoring using tools like Prometheus, Grafana, etc;
-Write unit, integration, and performance tests;
-Follow TDD practices and ensure strong coverage across services. - AI & Agentic Systems:
-Design and implement RAG (Retrieval-Augmented Generation) pipelines;
-Build and maintain AI Agents and Voice AI agents using frameworks like: LangChain, LlamaIndex, DSPy, or similar;
-Integrate modern LLMs (OpenAI, Claude, Gemini, or open-source);
-Apply principles of AI agentic web apps and manage Vector DBs (e.g., Pinecone, Weaviate, Qdrant). - Participating in Pre-sale activities, working closely with the project manager, product owner, project development team, and other key stakeholders to understand project business requirements and help translate these into technical requirements for the development team.
What Youβll Need:
- 5+ years of backend development experience, primarily with Python;
- Strong expertise in Django, FastAPI, and REST API design;
- Hands-on experience with PostgreSQL, MySQL, MongoDB, Redis, and Vector DBs;
- Proven experience with LLM integration, RAG systems, and AI agent frameworks;
- Familiarity with cloud platforms: AWS, GCP, or both;
- Solid understanding of system design, including scaling, caching, and partitioning;
- Proficiency with Git, testing frameworks, and Agile practices;
- Strong communication skills and experience working in cross-functional remote teams;
- Proficiency in English (upper-intermediate/advanced level).
Bonus Points If You Have:
- Experience with containerization and orchestration tools such as Docker and Kubernetes;
- Familiarity with CI/CD pipelines and automated deployment processes;
- Experience with event-driven architecture and messaging queues like RabbitMQ or Kafka.
What youβll get at Syndicode:
- 15 days of vacation, 11 days off for holidays, and 20 sick leave days per year;
- Hybrid work model (2β3 days per week in the office);
- Educational support;
- Internal tech meetups;
- Continuous feedback within teams and departments;
- Top-notch team;
- Ability to participate in decision-making and bring new ideas;
- Self-management: opportunity to manage your time and plan your activities;
- Dynamic fast-growing environment: we react and adapt quickly to the worldβs and market changes.
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Β· 37 views Β· 15 applications Β· 5d
Senior Full Stack Engineer (Ruby/JavaScript)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 6 years of experience Β· Upper-IntermediateWe're looking for an experienced Software Engineer to join our team! The position will include building great products, tackling interesting challenges, and contributing to our engineering culture. We expect you to work in pairs, use test-driven...We're looking for an experienced Software Engineer to join our team! The position will include building great products, tackling interesting challenges, and contributing to our engineering culture. We expect you to work in pairs, use test-driven development, be experienced in building complex web applications, and write both clean and maintainable code.
Your skills:
πΆ Excellent general programming skills, ability to work with complex codebases
πΆ Extensive knowledge of Ruby, Ruby on Rails, and its testing frameworks
πΆ Experience in writing JavaScript applications using modern frameworks
πΆ Practical experience in different DBs (e.g. RDBMS, Key Value / Tuple Store, Wide Column Store / Column Families, Document Store)
πΆ Experience with cloud hosting providers (e.g. AWS, Google Cloud, Digital Ocean, Heroku)
πΆ Comfortable with the UNIX/Linux command line
πΆ Experience in test-driven development and pair programming (good to have)
πΆ Comfortable taking the lead on projects and working without lots of oversight
πΆ Good English (both written and spoken)
Your responsibilities:
π· End-to-end product development
π· Write reusable and maintainable code
π· Write tests to thoroughly validate the correctness of your code
π· Actively contribute to the identification of problems and their solutions
π· Collaborate in a cross-functional team to ensure the project meets business objectives and compliance standards
π· Work in a flat-structured company
We offer:
π· Outstanding development culture bit.ly/rw-devculture
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π· Collaborate with us remotely from any location or in one of our offices (Kyiv/Krakow) bit.ly/rw-remotecollab
π· We offer flexible hours
π· Get competitive compensation, access to savings program, and microcredits
π· Phantom Stock Units to reward your contribution
π· Thanks to our hardware policy, we use the best equipment and can regularly update it
π· 34 days a year as paid time off (24 standard days + 10 more to cover public holidays)
π· Health policy budget will cover your private sports and healthcare expenses
π· Participate in local and international conferences
π· Our offices are equipped with modern ergonomic chairs and standing desks
π· You can always find fresh food and drinks in our kitchen
π· In Ukraine, we collaborate through Diia.City -
Β· 325 views Β· 90 applications Β· 1d
Full-Stack Developer (Backend-Focused, NestJS + PostgreSQL) β Payment Gateway Aggregator
Full Remote Β· Countries of Europe or Ukraine Β· 2 years of experience Β· Pre-IntermediateWeβre looking for a Full-Stack Developer with a backend focus to strengthen our team on a high-load payment gateway aggregator used across several markets in Asia and LATAM. The platform processes thousands of transactions daily and integrates with local...Weβre looking for a Full-Stack Developer with a backend focus to strengthen our team on a high-load payment gateway aggregator used across several markets in Asia and LATAM. The platform processes thousands of transactions daily and integrates with local payment providers in each region β acting as a key part of the companyβs financial operations.
Youβll work mostly on the backend: improving reliability, integrating with new providers, and making sure everything scales smoothly. Some occasional frontend work (React) may pop up too.
How Youβll Contribute
- Develop and scale backend services for payment processing and provider integrations
- Work with local APIs and protocols across different markets (e.g., Thailand, Brazil, Philippines)
- Optimize database performance and handle transactional flows reliably
- Contribute to system stability and fault tolerance under increasing load
- Occasionally assist with frontend tasks (React) β e.g., dashboards, transaction monitoring
- Collaborate with a small full-stack team and participate in technical decision-making
What Makes You a Perfect Fit
- 2+ years of experience with Node.js/NestJS and PostgreSQL
- Solid understanding of backend architecture, transactional flows, and API integrations
- Experience working on high-load systems or products with real-time data
- Strong TypeScript skills and a clean coding style
- Familiarity with microservices, Docker, and CI/CD pipelines
- Comfortable switching context when needed and supporting frontend if required (React)
Nice-to-Haves
- Experience integrating with payment systems or financial APIs
- Understanding of fallback mechanisms and system reliability patterns
- Interest in infrastructure monitoring and performance optimization
- Experience working with region-specific products or international setups
Our Tech Stack
NestJS, Node.js, TypeScript, PostgreSQL, React, microservices, Docker, AWS, CI/CD pipelines, high-load architecture and provider APIs.
Hiring Process
The hiring process is clear and concise. It starts with a 30β40 min intro call with a Talent Partner β an opportunity to learn more about the project, Umber, and the team, as well as to discuss the candidateβs experience.
Next comes a technical interview (~1.5 hours) covering both React and Node.js.
The final step is a ~30 min conversation focused on managerial topics and organizational details.
Your next challenge is waiting. Letβs connect, talk about the impact we can make, and see if weβre the right fit for each other!
Who We Are
Umber is a full-cycle product agency founded in 2018. We started as a design-driven company and now build complex finance systems from the ground up. Our current focus: payment solutions, trading platforms, and tools for professional investors and traders.
Weβre a small, ambitious, senior-level team working with top-tier financial clients. Weβre passionate about finance, trading, and creating systems that donβt just work β they scale and shine under pressure. Check us out at https://umber.tech.
Why Join Us
- High-load engineering challenges β internal business systems, real-time trading, scalable backend systems, financial-grade security, modern React applications
- Cross-functional collaboration β work closely with designer and backend team on complex technical solutions
- Variety of projects β work on user management systems, analytics platforms, admin tools, CRM interfaces, and other internal services
- Small team, no bureaucracy β youβll work closely with the CTO and contribute to architecture decisions
- Growth opportunities β learn from senior developers and expand from middle to senior level
- Flexibility β fully remote, Eastern European time zone overlap
- Mentorship and space to grow β if youβre good, weβll make you great
- Impact β your code goes live, fast. Youβll contribute to both user-facing interfaces and high-load backend systems that power the entire gaming platform
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Β· 128 views Β· 32 applications Β· 25d
Sports - Product Manager
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· Pre-IntermediateAs a Sports Product Manager at TrueLabel you will have a unique opportunity to manage integration with a sportsbook product from scratch to going live to exponential growth. You will be in charge of setting up sportbooks integrations, authoring simple...As a Sports Product Manager at TrueLabel you will have a unique opportunity to manage integration with a sportsbook product from scratch to going live to exponential growth. You will be in charge of setting up sportbooks integrations, authoring simple product specifications and collaborating with Design and Engineering teams to deliver highest quality sportsbook solution to our clients. You will also support and improve the product post-go-live through conducting market research, collecting customers feedback and delivering product improvements.
Your tasks:
- Work with business owners, stakeholders, and the Product team to define the product vision and roadmap to deliver a best-in-class sports product to our customers;
- Use data and business needs to define and build business cases for the Sports product;
- Author clear, detailed, and simple product specifications;
- Own and manage the sportsbook product roadmap aligned with overall product strategy, setting delivery expectations with stakeholders and customers;
- Integrate the sportsbook product into the platform for various operators as part of the B2B model;
- Maintain active communication with operators (clients) on all matters related to the sportsbook product; ensure timely knowledge transfer to the sportsbook team, quickly resolve issues, and provide operators with comprehensive consultations;
- Collaborate with the Design team to create outstanding UI/UX for the product;
- Work closely with the Engineering team to execute the roadmap and provide post-launch technical support;
- Ensure top release quality through rigorous QA collaboration and acceptance testing;
- Conduct market research, analyze competitors, and gather user feedback to shape the product roadmap;
- Report on the execution status of the sportsbook roadmap to stakeholders and clients.
Our Criteria:
- 3+ years of experience in web/mobile product management, including authoring simple crisp clear business and product requirements;
- 2+ years in building Sports customer facing products in a similar Sportsbook Product role with a clear track record in improving Sportsbook KPIs;
- A data driven mindset to evaluate impact and success;
- Someone who thrives at the intersection of Design, Tech and Business;
- Strong business judgment and decision-making skills; ability to identify, prioritize, and articulate the highest impact initiatives;
- Excellent written and verbal English.
Our offer:
- We are global, we donβt stick to office or remote options only;
- We value work-life balance and start anytime from 8 to 11, with flexible lunchtime;
- We trust each other and provide unlimited vacation days and sick-leaves;
- We support our people and provide relocation options for team members, who are interested;
- We encourage growth and cover 50% of learning expenses;
- We hold yearly performance reviews to help our team members grow and reach new heights, and reward results with regular performance bonuses;
- We believe in potential and prefer to promote internally, giving everyone a chance to prove themselves, and building our company around talents above anything else;
- We are small enough to hear the opinion of every team member, and already big enough to act on the best ideas - an opportunity to have a visible and immediate impact;
- We celebrate our team with corporate gifts and thoughtful appreciation throughout the year.
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Β· 201 views Β· 47 applications Β· 12d
Senior Recruiter
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 4 years of experience Β· IntermediateHello, Senior Recruiter! Maybe youβre the one weβve been waiting for all this time while weβve been compiling the vacancy. A bit about us: Weβre a rockinβ gaming squad Weβre a service company that helps create products for gamers There are 74 of us,...Hello, Senior Recruiter! Maybe youβre the one weβve been waiting for all this time while weβve been compiling the vacancy.
A bit about us:
πWeβre a rockinβ gaming squad
πWeβre a service company that helps create products for gamers
πThere are 74 of us, and we are young, energized to succeedNow we are looking for an experienced specialist who will be the link between Trading Space and new recruits. It is important to us that you love games and are eager to find like-minded people with whom all of us can always work with and laugh afterwards.
We also hope that youβll be the one to transform our recruiting processes for the better, and that youβll do so by using your skills and critical thinking.
π¨βπ YOUR IN-GAME SKIN:
- 5+ years of hands-on experience in full-cycle recruitment across technical and non-technical roles, ideally in dynamic product or gaming environments;
- Solid understanding of software development processes, tools, and technologies (e.g., React, AWS, GitLab, Vue, CI/CD, system design) to engage effectively with candidates and hiring teams;
- Proven track record of partnering with hiring managers, advising on hiring strategies, and driving hiring decisions with confidence;
- Advanced sourcing skills using a broad range of tools and channels (LinkedIn, GitHub, job boards, communities, events, referrals, etc.);
- Attention to detail and process ownership β from crafting tailored job descriptions to negotiating offers and maintaining candidate pipelines;Strong stakeholder management and communication skills β able to lead discussions, present insights, and influence decision-making;
- Proactive, data-driven, and adaptable mindset; capable of operating independently and in a fast-paced environment;
- Experience mentoring junior or mid-level recruiters and a desire to support the professional growth of the team.
- At least an Upper-Intermediate level of English proficiency;
- Experience in the gaming industry and passion for gaming.
πͺ YOUR QUEST-LINE:
- Arranging full life-cycle recruitment process: from the understanding of vacancyβs requirements, sourcing of candidates, interviewing candidates to negotiating potential offers;
- Creating job profiles and writing vacancy descriptions (with the help of HR Brand Manager);
- Development of new approaches in attracting candidates and improving the selection process, monitoring new trends and other useful data to improve the productivity and recruitment process overall;
- Developing long-term relationships with potential candidates through networking;
- Collaborate closely with the HR Department to ensure alignment with company policies and procedures;
- Maintaining corporate documents and databases up to date;
- Reporting to Lead Recruiter and hiring managers;
- Job market analysis and reviews making;
- Mentor and support junior and mid-level recruiters: review pipelines, give feedback, share sourcing strategies, and help develop their skills.
π§ββοΈ WILL BE YOUR BOOST:
- Familiarity with CS:GO, Rust and Dota2 (and if you play one of them you are already one step closer to the team);
- Work experience in developing the employer brand locally through advertising, participation in local hiring events, etc. (for future activities).
π₯· YOUR POWER-UPS SOURCE:
- Start working at a time thatβs comfortable for you;
- Spontaneous weekend from the CEO;
- People Partner who will always support you in word and deed;
- Rewards for cool work;
- Input on project direction in a bureaucracy-free environment;
- Regular performance reviews and personal feedback sessions;
- 20 paid vacation days and 7 sick leave days;
- Support for professional development, including events (we went on a MAJOR trip to Copenhagen, for example), certifications, and educational materials;
- Assisting with the accounting and tax management for individual entrepreneurs;
- English language and Well-being benefit β so that you can improve your mental health the way you want. We make sure that our spacers are surrounded by comfort from all sides;
- Anniversary and performance bonuses;
- No time tracking;
- We purchase CHARGING STATIONS for our spacers;
- We help Ukraine: every month the company supports AFU and transfers donations for ammunition and supplies.
If you read everything carefully and exclaimed: , then we are already looking forward to your resume and portfolio!
Send them as soon as possible! π
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Β· 4 views Β· 1 application Β· 21d
Media Buying Team Leader - Native
Full Remote Β· Worldwide Β· 3 years of experience Β· IntermediateWe are AFFSCALE, an international company and one of the largest product manufacturers and advertisers in the health & beauty niche in Asia. Our team provides traffic monetization solutions in Vietnam, Indonesia, Malaysia, India, the Philippines, and...We are AFFSCALE, an international company and one of the largest product manufacturers and advertisers in the health & beauty niche in Asia.
Our team provides traffic monetization solutions in Vietnam, Indonesia, Malaysia, India, the Philippines, and Thailand.Today, AffScale is:
A team of 1000+ professionals
100+ high-quality in-house Nutra offers
In-house call centers with 600+ employees working 24/7 to ensure top approval rates
Full in-house infrastructure β from product development to packaging and delivery
1500+ partners working with us
Drive your mind and career with us.AffScale is expanding, and weβre looking for new talent.
We need a Media Buyer with proven experience in launching Facebook or Native advertising campaigns.
Vertical: NutraπΌ What We Offer:
Fixed salary + performance-based %Offer rates on average 25% higher than the market
Not just colleagues β a team that cares, shares ideas, experience, and support
Robust infrastructure for efficient work
In-house production with direct connections
Work with both direct advertiser offers and internal products
No rigid rules β weβre focused on results
Full-time with a flexible schedule
Paid vacation and sick leave
Internal training and professional developmentπ§ Required Experience & Skills:
At least 3 years of hands-on experience in the Nutra vertical
Minimum 1 year of experience as a Team Lead in Nutra
Proven ability to effectively manage a team of 3+ members
Ability to motivate the team to meet and exceed KPIs
Understanding of how to work with Facebook Ads or Native Ads
Deep knowledge of key metrics: CPC, CTR, CR, AR, IP
Ability to analyze campaigns and draw insights from performance data
Experience working with multiple ad accounts
Proficiency in tools such as Octo / Fbtool / Binom
Basic skills in Photoshop / Canvaπ Your Responsibilities:
Optimize internal Facebook team processes to boost performance
Lead by example by demonstrating effective methods and strategies to inspire and improve team results
Search, test, and scale new traffic sources and partnerships
Provide regular reporting and analytics to leadershipWeβre not looking for βperfectβ β weβre looking for the right fit.
More
Maybe thatβs you β send us your CV -
Β· 233 views Β· 81 applications Β· 16d
Senior Backend Engineer (Python)
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· Upper-IntermediateThe Role As our Senior Backend Engineer, youβll design and build the backend infrastructure that supports high-throughput, reliable, and secure AI agent workflows. Youβll work cross-functionally with ML engineers and data scientists to operationalize...The Role
As our Senior Backend Engineer, youβll design and build the backend infrastructure that supports high-throughput, reliable, and secure AI agent workflows. Youβll work cross-functionally with ML engineers and data scientists to operationalize models at scale.
Key Responsibilities
- Architect and implement scalable APIs, microservices, and event-driven systems to power ML pipelines and agent orchestration
- Design efficient data modeling, ETL, and persistent storage suited for high-volume, real-time agent data
- Optimize backend performance and ensure system stability under heavy concurrent load
- Collaborate closely with founders and ML teams to deliver end-to-end agent features
- Establish CI/CD pipelines, monitoring frameworks, and enforce backend security best practices
- Mentor junior engineers and contribute to team culture and best practices
Requirements
- 5+ years designing, implementing, and maintaining backend systems in Python
- Experience building distributed, scalable services with microservices or serverless architectures
- Strong grasp of relational and NoSQL databases, message queues (e.g., Kafka), and ETL patterns
- Proven track record in API design (REST/gRPC), authentication, and reliable asynchronous processing
- Familiarity with containerization (Docker, Kubernetes) and observability tools (Prometheus, Grafana)
Nice to Haves
- Prior experience launching AI products or backend systems for ML/agent-driven applications
- Knowledge of LLM APIs, prompt pipelines, and agent orchestration
- Familiarity with cloud-native tools (AWS Lambda, S3, DynamoDB, GCP/Azure equivalents)
- Experience in startup or early-stage environments
Why You Should Join
- Competitive equity & pay - get in early and own what you build.
- Work closely with experienced founders with a proven startup track record.
- Move fast, ship fast - no corporate bureaucracy.
- Shape the AI revolution in healthcare - massive market, untapped potential
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Β· 299 views Β· 98 applications Β· 1d
Senior ML Engineer
Full Remote Β· Worldwide Β· 5 years of experience Β· Upper-IntermediateThe Role Weβre looking for a Senior ML Engineer to lead the design, deployment, and optimization of large-scale models powering intelligent agents. Your role spans model architecture, operational deployment, and production monitoring. Key...The Role
Weβre looking for a Senior ML Engineer to lead the design, deployment, and optimization of large-scale models powering intelligent agents. Your role spans model architecture, operational deployment, and production monitoring.
Key Responsibilities
- Design, fine-tune, and evaluate large language models and neural networks for modular agent behavior
- Build robust ML pipelines (data ingestion, feature engineering, model training, serving, monitoring)
- Develop containerized model serving infrastructure (Docker, Kubernetes), integrating with backend APIs
- Implement evaluation frameworks, A/B testing, and performance metrics to quantify agent effectiveness
- Ensure reproducibility, traceability, and compliance across ML lifecycle
- Collaborate with backend engineers to define inference service SLAs and efficient real-time ML delivery
- Mentor junior ML teammates and establish team-level best practices
Requirements
- 5+ years as an ML Engineer or applied ML researcher with production model deployment experience
- Strong Python skills, experience with ML frameworks (TensorFlow, PyTorch) and LLM tooling (HuggingFace)
- Expertise in MLops: Docker, Kubernetes, model serving (e.g., Triton, FastAPI), CI/CD
- Familiarity with data pipelines, SQL, cloud platforms (AWS SageMaker, GCP Vertex, Azure ML)
- Solid understanding of model evaluation, A/B testing, and ML performance metrics
- Excellent collaboration skills with product, backend, and data teams
Nice to Haves
- Prior work with conversational agents, retrieval-augmented generation, or multi-model orchestration
- Experience with vector search stacks (e.g. Pinecone, FAISS)
- Knowledge of embedding techniques, prompt engineering, or Reinforcement Learning from Human Feedback (RLHF)
- Startup experience and ability to navigate ambiguity and shape technical direction
Why You Should Join
- Competitive equity & pay - get in early and own what you build.
- Work closely with experienced founders with a proven startup track record.
- Move fast, ship fast - no corporate bureaucracy.
- Shape the AI revolution in healthcare - massive market, untapped potential