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Experience Level
Senior
Qualifications
Essential Qualifications:Over 4 years of professional experience in JavaScript UI Client programming, emphasizing FPS and CPU performance. Proficient in TypeScript and JavaScript ES6+, with a strong grasp of the rendering cycle in Canvas/WebGL. A solid understanding of the Event Loop and the advantages of synchronous and asynchronous programming. Experience in cross-browser development. Strong foundation in Object-Oriented Programming (OOP), including game programming patterns and techniques. Ability to proactively propose diverse algorithmic solutions. Familiarity with Git for version control. Exceptional communication skills and a collaborative team player. A product-first mindset with a GTD (Getting Things Done) approach, self-motivated, and open to learning. Additional Skills That Would Be a Plus:Knowledge of performance optimization algorithms, memory management, and threading. Experience in Game Development. Familiarity with Spine animations and Texturepacker. Experience with GitHub Actions and Unit Testing. Experience working with Jira and Confluence. Basic knowledge of Vue.js. Experience in full-stack development. Understanding of Scrum methodologies.
About the job
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.
About Playson
Playson is a dynamic and leading developer in the online gaming industry, known for its innovative solutions and commitment to excellence in gaming experiences. We pride ourselves on harnessing the latest technologies to create engaging and scalable gaming products for our partners.
👋 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, Sn…
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!
Join AppFollow, a leading App review management and ASO platform dedicated to empowering app developers and product teams.We aim to simplify the daily tasks of app developers, product managers, marketing teams, and customer support professionals. AppFollow enables the collection and management of app and game data, boosts app ratings, enhances store rankings, and fosters user loyalty.This fully remote opportunity is perfect for a Senior Backend Engineer eager to contribute to AppFollow's global expansion. You will work on the essential backend systems that facilitate user engagement with product data, ensuring quick and efficient access to diverse datasets, while supporting flexible analytics and reporting capabilities across various data types.Key Responsibilities- Enhance and optimize the core backend functionalities of the AppFollow platform.- Develop and maintain systems for user interaction with product data.- Design and implement a source-agnostic data storage layer that ensures efficient, rapid, and dependable data delivery to users.- Create and support systems that generate insights from various customer and product data, including ratings, reviews, and other data sources, emphasizing customizable reporting.- Develop and support internal and public APIs for core data entities, adhering to API-first principles.- Design, build, maintain, and document a reliable, secure, efficient, and scalable codebase.- Collaborate with other developers to design and enhance the overall system architecture.- Engage with legacy services.- Work with the Platform team to deploy applications across various environments, ensuring smooth operations while adopting established standards and practices.Your Profile - 5+ years of experience in backend development with a strong focus on scalability and performance.
Full-time|$85K/yr - $85K/yr|Remote|Remote in Europe
Join Sanity.io, where we are pioneering the future of AI-driven Content Operations. Our innovative AI Content Operating System empowers teams to model, create, and automate content in alignment with their unique business needs, propelling digital development and enhancing content operation efficiency. Industry leaders like SKIMS, Figma, Riot Games, Anthropic, COMPLEX, Nordstrom, and Morningbrew trust Sanity to streamline and automate their content workflows.We are seeking a compassionate Senior Support Engineer who excels at tackling complex technical challenges and is dedicated to ensuring our customers succeed with Sanity at scale.In this vital role, you will take ownership of high-impact issues, guide enterprise clients through intricate implementations, and enhance the systems, workflows, and documentation that underpin our support organization.This position is not merely about responding to support tickets; it demands robust technical acumen, composed communication during high-pressure situations, and the capability to transform persistent customer challenges into enduring solutions.
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 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 constantly seeking enthusiastic individuals to join our dynamic team. Discover more about our journey and mission at Ruby Labs.About the RoleWe are currently seeking a talented Lead React Native Developer to join our expanding engineering team. In this pivotal role, you will be responsible for spearheading our mobile initiatives, focusing on product quality and tackling architectural challenges. You will have the opportunity to take ownership of critical features that our users depend on, while significantly contributing to the enhancement and scalability of our mobile applications.Your expertise will be instrumental in shaping the future of our mobile offerings, collaborating with backend and product teams to ensure a seamless, high-performance user experience.Key ResponsibilitiesOversee the development and launch of new mobile product features.Enhance and maintain the existing React Native codebase to ensure optimal performance and stability.Define and evolve mobile architecture, system design, and technical strategies.Collaborate with backend, product, and design teams to create scalable solutions.Establish reliability, performance, and observability standards for mobile applications.Manage production debugging, incident investigations, and root cause analyses.Facilitate improvements in build systems, CI/CD processes, releases, testing, and app store submissions.Mentor junior engineers and cultivate a culture of quality, accountability, and excellence.Support recruitment efforts to build a top-tier mobile engineering team.Champion performance optimizations across various metrics including rendering, navigation, and offline capabilities.Lead with a focus on accountability for failure scenarios, API degradation, user recovery experiences, and resilience.Qualifications5+ years of experience in mobile application development, with a strong focus on React Native.2+ years in a technical leadership or lead developer role.Proficient in mobile architecture, design patterns, and best practices.Experience with CI/CD tools and automated testing frameworks.Strong problem-solving skills with a passion for coding and software design.Excellent communication skills, both verbal and written.
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.
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 Our MissionAt PathAI, we are dedicated to enhancing patient outcomes through innovative AI-driven pathology solutions. Our platform significantly enhances diagnostic accuracy and treatment effectiveness for diseases such as cancer, utilizing cutting-edge machine learning techniques. Our diverse team is united by a passion for tackling complex challenges and making a meaningful impact in healthcare.Your RoleWe are seeking an Implementation Engineer to play a crucial role in supporting our European digital diagnostics clients, including our commercial AI product suite and the Digital Pathology Image Management System, AISight Dx. While relevant experience is valued, we prioritize cultural fit, a desire to learn about our business and customers, and a proactive approach to navigating this fast-paced industry. The ideal candidate will possess a strong background in SaaS implementations, lab/IT connectivity integrations, excellent organizational skills, and a quick learning aptitude in a complex environment.Your ResponsibilitiesEstablish and maintain strong relationships with our DDx clients, which include Anatomic Pathology labs, Academic Medical Centers, and Hospital Systems, serving as their primary contact during the technical implementation phase.Deliver hands-on technical implementation support, collaborating with customer IT and internal development teams as necessary.Oversee project management for all implementation activities, providing regular schedule updates, addressing risks and issues, and maintaining consistent communication with clients.Demonstrate fluency in English and at least one of the following languages: Spanish, German, French, Swedish/Norwegian/Danish, or Czech/Slovak/Polish.Provide on-call support as an application expert and escalation point for our support team, including participation in an on-call rotation.
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.
Join lemlist as a Partnerships Manager, where you'll play a pivotal role in expanding our influence in the US and UK markets. Your mission will be to build and nurture strategic partnerships that drive growth and enhance our brand presence.In this dynamic position, you will collaborate closely with cross-functional teams to identify potential partners, negotiate agreements, and ensure successful implementation of partnership initiatives. Your keen understanding of market trends and relationship-building skills will be essential as you work to create win-win scenarios for both lemlist and our partners.
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.
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.
Role Overview docplanner is looking for a Freelance Portuguese Data Annotation Specialist. This contract role is fully remote and open to candidates based anywhere in Europe. What You Will Do Annotate data in Portuguese with precision to support the development of AI models Help improve the quality and accuracy of docplanner’s services through careful review and labeling Apply knowledge of the Portuguese language to ensure all outputs meet company standards Requirements Fluency in Portuguese Located in Europe Attention to detail and commitment to quality
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.
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 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.
Join Playson, a premier online gaming supplier, established in 2012 and recognized globally for our innovative gaming solutions. We empower leading iGaming operators with cutting-edge technologies and in-depth market insights.As we continue to expand, we are on the lookout for a Technical Support Specialist with a solid background to become a part of our Integration Department.In this role, you will deliver comprehensive customer support services for our partners' integrations, ensuring seamless experiences.
