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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 are at the forefront of technology, developing and managing cutting-edge consumer products. Our portfolio spans various sectors, including health, education, and entertainment, providing numerous opportunities for innovation and creativity. We are passionate about creating products that enhance the lives of consumers and are constant…
About Us:Zartis is a leading digital solutions provider specializing in technology strategy, software engineering, and product development. We collaborate with companies across various sectors including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce. Our engineering hubs in EMEA and LATAM are populated by skilled professionals dedicated to driving business success and enhancing digital capabilities through application development, software architecture, CI/CD, business intelligence, QA automation, and technology integrations. Role Overview: We are seeking a passionate Senior Software Engineer to join our team and contribute to a transformative project in the digital mental health sector. This role involves working with a diverse group of talented individuals committed to fostering an inclusive culture rooted in trust and innovation. As part of a distributed team, you will help revolutionize mental health care by developing the UK’s largest platform designed to support and empower young people in managing their mental well-being. You will play a key role in determining the technical direction and building robust, scalable systems that guide users to the assistance they need. Key Responsibilities: - Design, implement, and manage a range of Node.js backend services, React-based web applications, and React Native mobile experiences that form the foundation of our platform.- Take complete ownership of features from conception to deployment, demonstrating accountability and a customer-focused impact.- Ensure the longevity of a legacy platform through proactive maintenance, strategic enhancements, and high-quality technical support.- Engage in system design and architectural improvements.- Champion best practices in trunk-based development, automated testing, CI/CD, and infrastructure as code.- Take charge of system performance, resilience, observability, maintainability, security, and accessibility.- Collaborate across disciplines and mentor peers through pair programming, code reviews, and knowledge sharing.
Zartis partners with organizations worldwide to deliver technology consulting and AI transformation. Teams collaborate closely with clients to design, build, and scale solutions that address real business needs. With engineering centers in EMEA and LATAM, Zartis supports industries such as financial services, healthcare, life sciences, and energy and climate. Engineers at Zartis bring expertise in AI-driven platforms, secure API architectures, and cloud-native development. Projects cover the entire lifecycle, from strategy and discovery through to product delivery, with a focus on solving complex problems and making a measurable impact. Team members have opportunities to contribute to business growth and learn from experienced professionals across sectors. Role overview This Senior Software Engineer position focuses on full-stack development for a fintech project. The team values inclusion, trust, and innovation, bringing together people from diverse backgrounds to solve challenges in financial technology. Project focus The role involves joining a distributed group working on financial process automation tools. The aim is to increase productivity, lower costs, and support compliance for client organizations. Work centers on building solutions that streamline financial operations and deliver measurable business value. Main responsibilities Design, build, and maintain high-performance, reusable full-stack applications. Collaborate with Product and cross-functional teams to define and deliver end-to-end technical solutions. Contribute in an Agile environment, using Lean principles focused on CI/CD, automated testing, and continuous delivery. Follow established engineering best practices, code quality standards, and development processes throughout the delivery lifecycle. Take ownership of technical design and provide accurate estimates for complex tasks and projects. Engage with customers and stakeholders to ensure deliverables meet requirements and expectations. Monitor solution quality and stability, suggest improvements, and propose changes as needed. Requirements At least 5 years of experience building applications in Java, with a focus on Spring or Spring Boot. Hands-on experience with React and TypeScript. Strong understanding of event-driven architecture and microservices. Excellent communication skills and a proactive approach to decision-making. Attention to detail and experience developing software from the ground up. Location This position is open to candidates based in the European Union.
Playson is a prominent online gaming provider, established in 2012, renowned for delivering comprehensive gaming solutions that leverage cutting-edge technologies and in-depth market insights tailored for top-tier iGaming operators.We are currently on the lookout for a Senior Full-Stack Engineer to join our promotional features team. This role is ideal for someone with a strong backend focus (Node.js/TypeScript) while also possessing confidence in frontend technologies (React). You'll be responsible for designing, building, and refining features that are not only robust and scalable but also a delight for users.If you are passionate about products, eager to tackle complex engineering challenges, and have a rapid 'Proof of Concept first' mindset with a strong sense of ownership, we would love to connect with you.Key Responsibilities:Craft, develop, and sustain backend services for promotional features utilizing Node.js/TypeScript.Create and enhance the frontend UI in React (with Redux or modern state management), prioritizing usability and performance.Optimize existing architectures for high throughput, minimal latency, and exceptional scalability.Guide technical decisions, contributing to the advancement of our SaaS solutions and platform evolution.Collaborate with a diverse, cross-functional team and proactively suggest improvements.Uphold code and architectural excellence through code reviews, best practices in the software development lifecycle, and automation.Ensure quality by writing unit, integration, and end-to-end tests; and drive observability and performance metrics.Participate in on-call rotations to maintain system reliability and availability.
Playson is a premier iGaming provider that operates within various regulated markets, delivering captivating casino content and cutting-edge technology solutions. As a rapidly growing and innovation-driven company, we prioritize autonomy and ownership in our culture. At Playson, we actively seek individuals who are curious, proactive, and enthusiastic about tackling complex challenges on a large scale.We take pride in being ISO/IEC 27001 certified, emphasizing our commitment to maintaining a strong security and compliance posture across all business operations.About the RoleWe are in search of a Security Lead to enhance Playson’s information security framework and promote the ongoing improvement of our security culture.This position requires a blend of technical acumen, investigative diligence, and leadership in processes to guarantee that our systems, data, and personnel are secure, compliant, and resilient.Key Responsibilities:Information Security & ComplianceContinuously maintain and enhance the ISO/IEC 27001:2022 Information Security Management System (ISMS).Cultivate a robust Security-First mindset throughout the organization.Collaborate closely with the CTO, Head of IT, and DevOps teams to strengthen internal security controls.Conduct internal audits, risk assessments, and manage certification renewals.Update security policies and controls in accordance with ISO 27001, GDPR, and other relevant international frameworks (such as NIST CSF and NIS2 principles where applicable). Manage integrations and alerts within Datadog SIEM, CrowdStrike, Cloudflare, and Google Workspace.Support DLP implementation and maintain centralized tracking of security events.Document risks, incidents, and corrective measures to ensure continuous compliance.Incident Response & InvestigationLead investigations into security incidents, including phishing attacks, data breaches, and unauthorized access.Collect and analyze digital evidence across various systems (CrowdStrike, Cloudflare, Google, Slack).Enhance and maintain incident response playbooks and escalation workflows.
Join Our TeamAt Ruby Labs, a pioneering technology company, we are dedicated to developing and managing innovative consumer products across health, education, and entertainment sectors. Our dynamic teams are at the forefront of consumer-oriented innovations, and we are eager to welcome passionate individuals to join our mission. Discover more about us here.Your RoleWe are excited to announce an opening for a Lead Full-Stack Engineer to spearhead the development of a new Direct-to-Consumer product within the AI sector. As a Lead Engineer, you will guide an engineering squad responsible for a crucial segment of our product, setting the technical vision and ensuring high standards for engineering quality and delivery.In this role, you will create and sustain scalable systems utilizing Next.js, TypeScript, React, and Redis. You will also oversee the development process, manage release schedules, perform code reviews, and provide mentorship to fellow engineers. A key requirement for this position is a proven track record in developing AI-driven tools or applications.You will collaborate closely with product leadership and management to guarantee that our engineering team consistently delivers reliable and high-performing features.
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.
Join Our Team as a UX LeadAt Ruby Labs, we are at the forefront of technology, dedicated to developing and managing breakthrough consumer products. We pride ourselves on our diverse portfolio spanning health, education, and entertainment sectors. Our vision is driven by innovative teams that are shaping the future of consumer-centric solutions. Explore our journey and values at: https://rubylabs.com/about-us/Your RoleAs we scale our high-growth direct-to-consumer product utilized by a vast customer base worldwide, we recognize that user experience (UX) is pivotal to our growth strategy.We are in the process of launching new products, enhancing our capabilities, and prioritizing customer retention, activation, and overall funnel performance.We are seeking a UX Lead who will assume complete responsibility for design, user experience, and user research—not as a peripheral function, but as a fundamental force driving product and business success.Currently, design is primarily executed directly in the frontend, and our UX research requires a more structured approach. You will be instrumental in transforming this landscape.This is a dynamic role requiring high levels of ownership and impact, ideal for an individual eager to build systems, lead teams, and directly influence product growth.Key ResponsibilitiesOversee and enhance UX, design quality, and user journeys across all products.Establish and maintain a robust, scalable design system, even if primarily implemented in the frontend.Lead and mentor designers and frontend engineers engaged in UI/UX projects.Transform UX into a measurable growth driver by boosting activation, retention, and conversion rates.Collaborate closely with Product and Growth teams to design and streamline funnels, onboarding processes, and monetization strategies.Develop a structured methodology for UX research, which includes:Setting research priorities,Conducting surveys and interviews,Deriving actionable insights.Make data-driven UX decisions by:Analyzing product metrics (using tools like Mixpanel and Clarity),Identifying opportunities for UX enhancements.
About Us:At onhires, we are dedicated to developing a powerful and scalable trading platform tailored for high-traffic, latency-sensitive applications. Our infrastructure utilizes cutting-edge technologies to facilitate real-time trading while ensuring unmatched reliability and performance. Join us to contribute to the evolution of our platform and engineering culture.Job Summary:We are seeking a Lead DevOps & Platform Engineer to spearhead the design, implementation, and management of our AWS-centric infrastructure. In this crucial role, you will enhance the productivity of our product engineering team while ensuring platform scalability, reliability, and security. This position blends elements of DevOps, Platform Engineering, and Site Reliability Engineering (SRE). You will advocate for best practices, influence our engineering culture, and guarantee that our platform remains robust, efficient, and future-ready.Key Responsibilities:Platform EngineeringInfrastructure Design: Design and implement scalable infrastructure to support the deployment and management of our trading platform.Developer Tooling: Create and maintain internal tools that enhance developer workflows, including sophisticated CI/CD pipelines.Infrastructure as Code (IaC): Advocate for and implement IaC practices using Terraform, CloudFormation, or Pulumi.Core Services Management: Oversee and optimize platform-critical services, including:NATS ClusterRabbitMQAWS RDS PostgreSQLRedis ClusterDevOpsAutomation and CI/CD: Streamline and optimize deployment processes to ensure smooth continuous integration and delivery.Container Orchestration: Oversee and scale containerized workloads utilizing Kubernetes and Docker.Cloud Optimization: Assess and enhance cloud resource utilization for optimal performance and cost-effectiveness.Site Reliability Engineering (SRE)Reliability Metrics: Develop and uphold Service Level Objectives (SLOs) and Service Level Indicators (SLIs).Monitoring & Observability: Implement monitoring tools and dashboards (e.g., Prometheus, Datadog, Grafana) for enhanced visibility into system performance.
Join Playson, a premier online gaming supplier established in 2012, recognized globally for our innovative gaming solutions tailored for leading iGaming operators. We leverage cutting-edge technology and comprehensive market insights to deliver exceptional products.We are in search of a dedicated Senior Front-End JavaScript Game Developer who is passionate about creating high-performance games and is eager to contribute fresh ideas while focusing on scalability. This role is ideal for a committed developer ready to engage with game engines and spearhead new feature development.
Exciting Opportunity for a Remote Front End DeveloperJoin our innovative team at nrb as a Front End Developer, where you will play a crucial role in crafting outstanding user experiences for our applications. We are on the lookout for a passionate individual who possesses a strong foundation in modern web technologies.Key Responsibilities include:Utilizing your expertise in Angular and TypeScript to develop high-quality user interfaces.Implementing Angular Material components to enhance the user experience.Applying basic DevOps practices to streamline code delivery and manage pipelines.Knowledge of the Commission eUI framework and familiarity with Kubernetes or containers is a plus.This role offers the opportunity to work on both legacy and new applications, providing a diverse and engaging work environment. We value hands-on developers who are committed to coding rather than focusing solely on management or architectural duties.Eligibility for EU security clearance is a requirement.
Join our dynamic team at ruby-labs as a Senior UI/UX Developer with a focus on Artificial Intelligence. In this role, you will leverage your extensive experience in user interface and user experience design to create innovative solutions that enhance user interactions. Your expertise in AI technologies will be essential as we develop cutting-edge applications that push the boundaries of what's possible.
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.
Join Our Vision at EverAI Welcome to EverAI — Pioneering the Future of AI CompanionshipRecognized as one of the Top 15 Largest and Fastest-Growing AI Companies Globally40 Million Users in Just 2 Years — Help Us Achieve 100M, Then 500M!At EverAI, we are not just innovating in AI; we are redefining human connection through technology. With an ever-growing user base of 40 million, we are establishing entirely new categories within the AI landscape.Our flagship product is the largest AI girlfriend/boyfriend platform, transforming relationships for millions. Our unique moderation system, EverGuard, ensures that everything we create is safe, ethical, and prioritizes the human experience.And this is just the beginning!Meet Our Dynamic TeamOur dedicated and vibrant team of 75 passionate professionals is led by entrepreneurs with a wealth of experience in scaling web products from inception to IPO.Meet Our Leaders:Alexis Soulopoulos [CEO]• Over 10 years in Tech Executive Leadership• Co-Founder of Mad Paws Holdings (from 0 to IPO)• Recognized by Forbes 30 under 30 + Deloitte TechFast50 ’22 & ‘23Michael Monin [Co-founder & CTO]• 10+ years as CTO / COO (web2/web3), 1+ year in AI/LLM• Serial entrepreneur with successful exitsThomas Lacroix [Co-founder & CMO]• 8+ years in Customer Acquisition & E-commerce Growth• Serial entrepreneur with notable exitsMaruša Fasano [CFO/Legal]• 25+ years in Finance, Strategy, and M&A• Extensive experience in successful company exitsWhy Join Us?You will be at the forefront of building groundbreaking AI technologies, shaping the future of AI companionship.
About UsRuby Labs is an innovative technology company dedicated to developing and managing cutting-edge consumer products that span the health, education, and entertainment sectors. Our dynamic teams are at the forefront of consumer-driven solutions, and we are on the lookout for enthusiastic professionals to join our journey. Discover more about our mission and vision at: https://rubylabs.com/about-us/About the RoleWe are seeking a Senior Full-Stack Software Developer to join one of Ruby Labs' portfolio companies. This role involves designing and implementing robust user interfaces utilizing pre-built component libraries. It is tailored for developers who excel in structured environments, have a knack for translating design specifications into efficient, scalable code, and are committed to creating seamless, user-friendly experiences. If you thrive in a results-oriented atmosphere and take pride in delivering intuitive, scalable UI without ambiguity in design, this position is for you.Key ResponsibilitiesFrontend DevelopmentCraft high-quality user interfaces with Next.js, React, and TypeScript, utilizing libraries like NextJS, HeroUI, and Tailwind CSS.Produce clean, scalable, and maintainable code, ensuring optimal performance and responsiveness across various browsers and devices.Develop and maintain reusable frontend components.Backend DevelopmentBuild robust backend services and high-quality applications using Node.js (with Nest.js).Write clean, efficient, and scalable backend code.Design and optimize database schemas and queries for performance and scalability.UI Implementation & Design IntegrationAccurately convert design wireframes and layouts into functioning frontend implementations.Maintain consistency, usability, and accessibility across all UI implementations.Enhance interfaces for maximum performance and user satisfaction.Collaboration & ProcessWork closely with cross-functional teams to ensure seamless project delivery and integration.
About Toloka AIAt Toloka AI, we are at the forefront of developing data that drives advanced Generative AI models and innovations. Collaborating with top-tier labs, major tech companies, esteemed AI startups, enterprises, and non-profit research organizations globally, we harness the power of a unique blend of expertise, community, and technology. Our team comprises specialists from over 50 different fields, including medicine, law, physics, and engineering, backed by one of the most diverse global crowds, representing over 100 countries and communicating in more than 40 languages.We are a well-capitalized startup with an impressive portfolio of clients, including Anthropic, Amazon, Microsoft, poolside, Recraft, and Shopify. Recently, we secured strategic investment from Bezos Expeditions, joined by Mikhail Parakhin, CTO of Shopify and a board advisor to leading Generative AI companies, who now serves as our Chairman. Our remote-first team is globally distributed, with members in the USA, UK, Netherlands, Israel, Czech Republic, Serbia, and more, with our headquarters based in Amsterdam.Our VisionWe believe that the future of work hinges on effective collaboration between humans and AI rather than relying on fully autonomous systems. This belief drives the development of Tendem AI—the first hybrid AI-human agent designed to streamline knowledge work. By integrating client requests with an AI workflow overseen and fine-tuned by human experts, we deliver high-quality outcomes. Tendem offers the swift efficiency of AI alongside the reliability and accountability of seasoned professionals.
About UsAt gitbook, we are dedicated to creating the premier platform for authoring, publishing, and maintaining exceptional documentation. With nearly 40,000 new sign-ups monthly and over 100,000 Monthly Active Users, our platform is utilized by more than 2 million individuals and numerous teams, including industry leaders such as Zoom, FedEx, Nvidia, Snyk, and Google. Proudly profitable and supported by P9 Capital, Notion Capital, and Fly VC, our diverse team operates across 15 countries in North America, Europe, and Asia.The PositionWe are seeking our inaugural Business Development Representative (BDR) to enhance our enterprise pipeline. In this pivotal role, you will connect with key organizations, initiate dialogues with decision-makers, and contribute significantly to our revenue expansion.Your ResponsibilitiesIdentify and engage prospective clients that match our ideal customer profile, focusing on tech and fintech companies with over 500 employees.Utilize email, LinkedIn, phone, and community channels to initiate meaningful conversations rather than spam.Collaborate with Account Executives to craft customized outreach campaigns and account strategies.Manage the early phases of the sales cycle, including discovery, qualification, and handoff.Experiment with new outreach channels and messaging to establish a repeatable outbound strategy.Ideal Candidate ProfilePossess 1–2 years of experience in BDR/SDR or growth-oriented roles within the SaaS industry.Enjoy experimenting and iterating quickly, prioritizing results over strict playbooks.Demonstrate clear and curious communication skills.Be proficient with tools such as HubSpot, Amplemarket, and LinkedIn Sales Navigator.Thrive in a dynamic startup environment where ownership and rapid learning are encouraged. Join GitBook at a crucial juncture as we refine our product and team. This is your opportunity to influence our product, culture, and overall direction.
Please note: This is a fully remote position; however, candidates must reside in Europe and possess native-level proficiency in Spanish to effectively engage with colleagues and clients. Only apply if you are physically located within Europe.Join Hostaway, the leading SaaS innovator revolutionizing the vacation rental sector. We collaborate with industry giants like Airbnb, VRBO, and Booking.com to enhance our competitive edge. With a strong focus on customer-centric values, we consistently deliver results that foster growth, learning, and innovation among our team members and clients.As a profitable, high-growth company and the first unicorn in the short-term rental PMS space , we invite you to be part of our most exciting chapter! Discover more about our journey and recent valuation here.We are looking for a highly motivated Sales Development Representative (SDR) to join our dynamic team and spearhead our expansion in the Spanish-speaking market. If you are a passionate and driven sales professional eager to make an impact, we want to hear from you!
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
Join Our Team as a Senior Fullstack Engineer!At Zartis, we are a pioneering digital solutions provider specializing in technology strategy, software engineering, and product development. Our mission is to empower businesses across various sectors, including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce.With engineering hubs located in EMEA and LATAM, we are committed to delivering exceptional digital solutions that drive business success. Our talented professionals excel in application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.We are currently seeking a Senior Fullstack Engineer to contribute to a transformative project in the financial sector. You will be part of a diverse and inclusive team that prioritizes trust and innovation while working with leading nutritional clients to offer a wide array of investment and advisory services.About the Project:Our client is on a mission to modernize and scale their digital platforms, placing technology at the core of providing secure and high-quality financial services. You will collaborate with a distributed team to develop cutting-edge technologies that address real business challenges. Strong communication skills and experience in building software from the ground up will be essential for this role.Key Responsibilities:- Collaborate closely with business users, vendors, and stakeholders to design solutions that meet both functional and non-functional requirements. Create and maintain comprehensive project documentation including business requirements and design documents.- Lead the design and implementation of new components and features, managing key tasks and providing regular updates to stakeholders.- Work with the testing team to ensure all solutions are thoroughly tested, including the creation and execution of automated test scripts. Assess new technologies and third-party solutions.- Collaborate with existing and new vendors to integrate third-party solutions effectively.
