Join Playson - a premier online gaming supplier recognized globally since our inception in 2012. As part of our dedicated promotional features team, we are looking for a Senior Backend Engineer with extensive expertise in Node.js. This pivotal position focuses on the development and enhancement of promotional features for our innovative gaming platforms, prioritizing performance, scalability, and state-of-the-art solutions.If you're passionate about product development, excel at tackling complex technical challenges, and possess a rapid 'Proof of Concept' mindset coupled with a strong sense of ownership, we want to hear from you!

Playson is a premier online gaming provider recognized globally, established in 2012. We deliver comprehensive gaming solutions leveraging cutting-edge technology and thorough market analysis tailored for leading iGaming operators.Our mission:To enhance entertainment and satisfaction in the fast-paced world.Role Overview:With a focus on growth and scalability, we are thrilled to welcome accomplished Mathematicians to join our Game Development team. The selected candidate will collaborate with Product Owners and fellow Mathematicians, contributing significantly to our organizational objectives.Key Qualifications: Minimum of 3 years’ experience as a game mathematician within the online gambling sector. Proficiency in scripting languages, preferably TypeScript or JavaScript. Strong grasp of essential programming paradigms. Exceptional ability to tackle complex and abstract mathematical problems. Meticulous attention to detail, with the capability to identify minor errors in mathematical models and rectify them. Passion for slot games from both a developer's and player's perspective. Aptitude for swiftly prototyping initial ideas. Basic knowledge of HTTP client-server interactions. Analytical and data-driven approach to decision-making. Driven by challenges and ambitious objectives. Proficient in spoken and written English.Preferred Skills: Strong mathematical intuition, creativity, and curiosity. Perspective to analyze games from a player's viewpoint. Familiarity with project management tools (Jira) and collaboration platforms (Confluence).Responsibilities: Craft innovative game mathematics and mechanics in partnership with Product Owners and cross-functional teams. Refine game mathematics and mechanics, ensuring optimal product quality. Conduct simulations of game math to assess alignment with desired outcomes and other games in our portfolio.

Playson, a premier online gaming supplier established in 2012, has garnered global acclaim in the iGaming sector. We deliver comprehensive gaming solutions powered by cutting-edge technologies and thorough market analysis tailored for leading iGaming operators.Our Game Tribe is on the lookout for a Senior Full-Stack Engineer. In this pivotal role, you will work in close collaboration with the Head of Gamification and fellow engineers to design, develop, and enhance game services. Your contributions will focus on:Developing a robust slot game engineCreating microservices for functionalities such as fraud detection and release processesConducting R&D on game mechanics, mathematical packages, and innovative gameplay featuresEngaging in hypothesis testing and rapid prototyping with a PoC-first approachYour Responsibilities:Design, develop, and maintain backend services for promotional features using Node.js/TypeScript.Enhance the frontend UI utilizing Pixi.js and Phaser.js, ensuring optimal usability and performance.Optimize existing systems for maximum throughput, minimal latency, and scalability.Lead technical decision-making and contribute to the evolution of our SaaS solutions and platforms.Collaborate with a geographically-distributed, cross-functional team; proactively suggest enhancements.Uphold code and architectural excellence through reviews, adherence to SDLC best practices, and automation.Take ownership of quality by writing unit, integration, and end-to-end tests; drive observability and performance.Participate in on-call rotations to maintain system reliability and availability.

Join the dynamic team at Playson, where you will play a pivotal role as a Senior Legal Counsel, transforming regulatory challenges into competitive advantages. If you thrive on drafting significant agreements, managing compliance across different jurisdictions, and providing strategic counsel to executive leadership, this opportunity is tailored for you.Key Responsibilities:Lead jurisdictional due diligence initiatives across our licensed markets, ensuring comprehensive regulatory compliance and proactive risk management.Draft, negotiate, and finalize complex commercial contracts, ensuring optimal terms while protecting the organization’s legal interests.Develop and uphold corporate governance frameworks, advising senior management on strategic risks and policy improvements.Collaborate with Compliance, Product, and Business teams to integrate legal perspectives with commercial goals and product strategies.Stay abreast of changing regulations, trends, and best practices, translating insights into practical advice for the leadership team.Provide timely legal advice on emerging issues to facilitate swift and compliant decision-making.Requirements:LLB / LLM (or equivalent) required.Minimum of 3 years of post-qualification experience, with at least 2 years in the iGaming sector (mandatory).Demonstrated ability to navigate multi-jurisdictional legal frameworks and provide business-oriented solutions.Exceptional skills in contract drafting, negotiation, and communication with stakeholders.Detail-oriented, proactive, and results-focused individual with strong organizational skills and ethical standards.What We Offer:Performance-based quarterly bonuses.Flexible hybrid working model.Comprehensive medical insurance (covering you and one additional person) and financial support for special occasions.Reimbursement for professional development activities and online English language courses.Employee referral bonus program.Recruitment Process:Initial HR InterviewTest AssignmentTechnical InterviewFinal Interview with Head of Legal and People Business Partner

Playson, established in 2012, is a premier online gaming supplier recognized globally for its innovative gaming solutions. We specialize in delivering comprehensive gaming platforms built on cutting-edge technology and in-depth market insights tailored for the top iGaming operators.We are currently seeking passionate Technical Support Specialists for night shifts to join our dynamic Integration Department.As a Technical Support Specialist at Playson, you will play a vital role in providing exceptional customer support for our partners' integrations.

Established in 2012, Playson has emerged as a premier supplier in the iGaming industry, garnering global recognition. Our innovative microservice-based platform processes billions of financial transactions daily, offering top-tier services to our clients.Join our Game Client team as a Senior Automation QA Engineer, where your enthusiasm for creating impeccable gaming experiences will shine. Engage deeply with our new game client, collaborating closely with developers to design automated tests that ensure both functionality and performance. Our aim is to achieve a stable, rapid, and visually stunning client that performs flawlessly across all devices and browsers. Are you ready to enhance the gaming experience for players? We want you on our team!Why Choose Playson?Contribute significantly to a transformative technological initiative;Work on high-impact projects that reach millions of players worldwide;Thrive in a flexible and supportive workplace;Advance your expertise with ongoing professional development opportunities.Key Qualifications:A minimum of 4 years of experience in test automation (both front-end and back-end);Practical experience with Playwright;Deep understanding of QA methodologies, tools, and processes;Proficiency in Python (pytest, requests, sqlalchemy, or similar);Skilled in SQL and scripting;Strong knowledge of HTTP/S, XML, JSON, HTML, CSS, and JavaScript;Familiarity with Jira, Confluence, and Zephyr;Experience using Git;At least upper-intermediate proficiency in English.Preferred Skills:Automation experience with JavaScript (in addition to Python);Familiarity with Selenium;Experience in developing test frameworks for load and functionality tests on mobile devices/applications;Proficiency in Agile/Scrum development processes;Experience with monitoring/observability tools like Datadog, New Relic, or Splunk.Responsibilities:Design, develop, and maintain automation frameworks for both functional and performance testing.

Expectations for SuccessEnsure timely, accurate, and compliant execution of outgoing payments.Oversee incoming payments and monitor cash inflows effectively.Accurately record all treasury transactions in 1C based on bank statements.Maintain cash flow accounting aligned with management reporting requirements.Conduct regular bank reconciliations and resolve discrepancies promptly.Identify inefficiencies in treasury operations and implement improvements.Assist with ad hoc financial reporting and support tasks as needed.Ideal Candidate ProfileBachelor's degree in Finance, Economics, Accounting, Banking, or a related field.Solid understanding of accounting principles and transaction flows.Experience with bank statements and reconciliations is essential.Familiarity with 1C software is advantageous.Proficient in English (intermediate level or higher).Fluency in Ukrainian is required.What We ProvideRemote working options within Europe or hybrid arrangements in selected hubs.Quarterly bonuses based on performance.Unlimited paid vacation and sick leave, focusing on outcomes rather than hours.Health insurance coverage for you and one additional person.Opportunities for team offsites and gatherings.

Join Playson, a leading gaming software provider, as an Account Manager focusing on the Greek markets. In this role, you will be instrumental in building and maintaining strong relationships with clients, driving business growth, and ensuring customer satisfaction.Your key responsibilities will include developing strategic plans to enhance client engagement, coordinating with various teams to deliver exceptional service, and analyzing market trends to identify opportunities for expansion.

About Toloka AI At Toloka AI, we are at the forefront of creating data that fuels the most advanced Generative AI models. Our collaborations span across eminent labs, major tech giants, esteemed AI startups, and reputable research organizations globally. We utilize a unique blend of Experts, Crowd, and Technology to enhance AI models' reasoning abilities and evaluate their effectiveness and safety. Our team comprises specialists from over 50 diverse fields - from healthcare professionals and legal experts to engineers and scientists - supported by one of the most varied global crowds, representing over 100 countries and proficient in more than 40 languages. We are a well-funded startup with an impressive clientele that includes Anthropic, Amazon, Microsoft, Poolside, Recraft, and Shopify. Recently, we secured strategic investments led by Bezos Expeditions and Nebius Group, with contributions from Mikhail Parakhin, CTO of Shopify, who now serves as our Chairman of the Board. Our remote-first team is distributed globally, including in the USA, UK, Netherlands, Israel, Czech Republic, Serbia, and more. Role Overview As a Freelance Technical Consultant, you will play a pivotal role in ensuring the optimal delivery of our products by configuring and deploying customized AI data solutions tailored to our clients' requirements. Your responsibilities will include designing and implementing data labeling pipelines while acting as a trusted technical advisor, helping clients comprehend their data needs, uncover new opportunities, and build scalable AI solutions. We seek an individual with a robust technical background of over 3 years, who is adept in technical environments, proficient in addressing data-related challenges using Python and AI, and capable of engaging directly with clients. You should possess excellent communication skills, enabling you to effectively connect with both technical and executive stakeholders and collaborate closely with our commercial team.

Playson is a prestigious online gaming supplier, celebrated globally since its inception in 2012. We specialize in delivering comprehensive gaming solutions that incorporate cutting-edge technology and thorough market analysis, catering to top-tier iGaming operators.We are on the lookout for a talented Senior Marketing Graphic Designer to revolutionize our game promotions and elevate our brand presence among partners. This pivotal role is part of the Marketing Squad, directly influencing how Playson is perceived across various channels.In our quest to enhance our creative capabilities, we seek a seasoned professional who can spearhead the evolution of our marketing visuals and foster the growth of our Graphic Artist stream.

Join Our Team as a Technical Lead for the Boosters!Focus: Developing high-load, distributed promotional features for players.Role Type: A hands-on leadership position with 80% dedicated to delivery and 20% to team leadership.Why You Should Apply: As we expand our Promotional Features domain, this pivotal role will enable you to personally design and deploy production-ready features while steering the technical direction of the Boosters team. We prioritize performance, scalability, and reliability in all our projects.About Boosters: Our team is responsible for innovative player-facing promotional features, including:TournamentsFree SpinsProgressive JackpotsSmart Prize Drop SystemsTeam Structure: The Tech Boosters team is an end-to-end cross-functional group comprised of:Full-stack & Backend EngineersAutomation QA & Manual QASite Reliability Engineers (SRE)Collaboration: You will collaborate with a Product Commercial Manager who acts as the customer, defining what is needed, the urgency, and the market requirements. Your technical team will determine the development process and timeline.What We Are Looking For:Expertise in Node.js and TypeScript (our main backend technologies). We are also open to proficient backend engineers from other languages (e.g., Go, Java, C#, C++) who can adapt quickly.Strong understanding of asynchronous programming and concurrency patterns.Experience in building distributed systems with messaging and coordination technologies (e.g., Kafka, RabbitMQ, NATS).Familiarity with gRPC in production environments.

Ruby Labs builds and manages consumer products across health, education, and entertainment. The team focuses on practical, user-driven solutions and values technical curiosity. Learn more about the company at https://rubylabs.com/about-us/. Role Overview This Senior AI Engineer position centers on Node.js, Next.js, and TypeScript. The role shapes AI infrastructure and improves production-ready large language model (LLM) experiences. Day-to-day, the engineer makes data-driven decisions that affect model performance, reliability, and cost control. What You Will Do Develop prompt systems for LLMs and manage structured outputs. Design and orchestrate complex LLM workflows using tools such as LangChain and LlamaIndex. Maintain observability and strong debugging practices, using Langfuse and AI gateways like OpenRouter. Drive model quality and operational efficiency from experimentation through live production. Take full ownership of key AI features, ensuring they are robust and production-ready. Location This role is open to candidates based in the European Union.

About us At lemlist, we revolutionize sales engagement, empowering teams with unrivaled tools to achieve their goals. Since our inception, we've grown organically to reach a remarkable $35M ARR in just six years, without external funding. Today, we stand as a profitable B2B SaaS company valued at $150M, serving over 40,000 sales teams around the globe to enhance their meeting bookings and close more deals.As a Senior Product Designer, you'll collaborate closely with Senior Product Managers and Developers across our teams to create impactful solutions for our users. You'll take ownership of the design process from problem identification to product launch, contributing to the future of sales technology.Your responsibilities will include:Gaining a profound understanding of our market, users, and product visionInvestigating underlying issues and opportunitiesLeading the design delivery process with Product Managers from discovery to launch, ensuring user satisfaction and impactIdentifying challenges, proposing enhancements, and influencing the product roadmapEnsuring product quality by promoting consistency, simplicity, and usabilityCrafting exceptional design experiences that establish lemlist as a leader in the marketWorking efficiently, adapting quickly, and learning continuously, whether in a team or directly with usersManaging multiple design opportunities simultaneouslyContributing to the future landscape of Product Design and Sales, including AI integrationEvolving your role to maximize the value you can provideWhat we’re not looking for:Designers who only deliver Figma filesThose who wait for instructions rather than taking initiativeIndividuals uncomfortable with user engagement or value-driven designDesigners who do not prioritize user impactThose who prefer their comfort zoneIndividuals who spend more time on processes than on delivering user value

Role overview ruby-labs is hiring a User Acquisition Manager to drive growth efforts across several platforms. The role centers on bringing in new users and building a stronger brand presence. This position is located within the European Union. What you will do Create and implement user acquisition strategies aligned with business objectives. Review and interpret campaign data to boost conversion rates and campaign impact. Collaborate with teams throughout the company to improve product features and user experience. Keep an eye on industry trends and competitor moves to identify fresh growth opportunities.

Ruby Labs is seeking a User Experience Researcher based in the European Union. This position centers on understanding how people interact with digital products and using those insights to inform design choices. Role overview The User Experience Researcher works closely with designers and product managers to gather and interpret user feedback. This role combines qualitative and quantitative research methods to uncover user needs and behaviors, helping the team create products that are both intuitive and satisfying to use. What you will do Conduct research to explore user behaviors and preferences Analyze feedback from users to identify trends and opportunities Collaborate with cross-functional teams to improve digital product experiences Requirements Experience with both qualitative and quantitative research methods Strong interest in user-centered design Ability to work effectively with designers and product managers

We are on the lookout for a Technical Leader to join our dynamic Platform Tribe and spearhead the development of our innovative solutions, where every millisecond counts. Our challenges are complex as we strive to deliver exceptional results across all critical technical dimensions:Optimal availability,Minimal latency in transaction processing across all microservices,Highly efficient resource utilization.If you are passionate about product development, enjoy tackling intricate engineering challenges, and adopt a rapid

About UsAt Ruby Labs, we pride ourselves on being a pioneering technology firm dedicated to developing and managing cutting-edge consumer products. Our diverse portfolio encompasses exciting opportunities in health, education, and entertainment sectors. We are at the forefront of consumer-driven innovation and are continuously seeking enthusiastic talent to join our team. Discover more about our journey at: https://rubylabs.com/about-us/About the RoleWe are in search of a motivated and experienced Mid-Senior UX Researcher who will significantly influence our product development and user experience. This role involves conducting in-depth research, analyzing user interactions, and crafting intuitive wireframes for both desktop and mobile platforms.Key ResponsibilitiesPerform competitor and market analysis to gain insights into user behaviors, journeys, challenges, and requirements.Evaluate existing user interfaces and the design of our current offerings.Employ design tools such as Visily or Figma to produce wireframes, prototypes, and mockups.Create detailed user personas, customer journey maps, and conduct usability studies to facilitate data-driven decision-making.Work collaboratively with product managers, developers, and designers to ensure a coherent user experience.Validate design concepts through A/B testing, surveys, interviews, and analytics.Document research outcomes and present key findings to stakeholders.Keep abreast of industry trends and best practices in UX to continually enhance our methodologies.

About lemlistAt lemlist, we are dedicated to empowering businesses around the globe with our innovative B2B SaaS solutions aimed at facilitating growth.Currently, we are generating over $43M in Annual Recurring Revenue (ARR) while maintaining:A bootstrapped modelStrong profitabilityA nimble team of 140 talented individuals, thriving in a remote-friendly environmentOwnership by our founder and entrepreneur, Guillaume Moubeche, ensuring we retain the freedom to innovateWe operate across two primary business lines:Sales Engagement through our flagship product lemlist, contributing $38M ARR with over 40% growth year-on-yearPersonal Branding via Taplio & Tweet Hunter, which generates $5M ARROur ambition is to establish lemlist as a leader in the Sales Tech industry, and we live by our mantra: Keep growing.Job DescriptionWe are on the lookout for a Senior Fullstack TypeScript Developer to become part of our dynamic team. Your role will involve designing and implementing cutting-edge features for our SaaS offerings. We desire an individual who is self-driven, passionate about technology, and thrives on tackling complex challenges.Your Responsibilities Include:Crafting and developing innovative features from the ground up, encompassing both frontend and backend aspects, with a focus on enhancing user experience and product capabilities.Assuming the role of technical lead within your team, promoting excellence and establishing best practices.Refining the codebase through systematic refactoring, debugging, and performance optimization.Managing multiple projects concurrently with agility and efficiency.Providing technical support to the customer service team by resolving technical issues promptly and effectively.Fostering knowledge sharing and capacity building by mentoring fellow developers to elevate the overall team skillset and productivity.Key Outcomes ExpectedWithin the first 3 months, you will achieve:A successful onboarding experience and seamless integration into the team.An in-depth understanding of our B2B SaaS products and their technical requirements.

Role Overview ruby-labs is hiring an Email Growth Manager to lead email marketing efforts focused on user engagement and retention. This role shapes the strategy and execution of campaigns that connect with our audience and support growth across all platforms.