Senior Fullstack Engineer - Remote Opportunity

Join CloudTalk as a Senior Software Engineer (Node.js) and be part of a global leader in AI-driven business communication solutions!At CloudTalk, we believe in empowering sales and support teams with the tools they need to enhance customer experiences. With a recent $28 million Series B funding from esteemed investors, we're on track to revolutionize how businesses communicate.As a Senior Software Engineer on our dynamic team, you will collaborate with a diverse group of professionals, including Backend and Frontend developers, QA engineers, and Product Managers, all working in a Scrum environment. Your expertise in Node.js will be crucial in developing and maintaining scalable web applications that drive our mission forward.Your Role:Contribute to the BIT (Backoffice and Internal Tools) team, focusing on our sophisticated billing system, public APIs, and internal management tools.Write clean, maintainable code while actively participating in our robust testing culture.Design and implement new features, engaging in technical discussions and collaboration with your team.Stay updated with emerging technologies and integrate them into your workflows.Why CloudTalk?Be part of creating the #1 AI business communication platform!Enjoy personalized 1-on-1 coaching for your professional growth.Connect with a vibrant community of CloudTalkers and follow our journey on Instagram.Get a front-row seat as we aim for $100M ARR!

Join a Leading Global SaaS Company | $28M Series B Investment | Fully Remote or Hybrid Work The #1 AI Business Communication PlatformAbout CloudTalkWith a remarkable $28 million Series B funding from esteemed investors like KPN Ventures, Lead Ventures, Point 9, and HenQ, CloudTalk is revolutionizing business communication through AI. Our platform empowers over 4,000 sales and support teams to transform customer experience into their most significant competitive advantage for enhanced revenue growth.We cater to businesses of all sizes, from innovative scale-ups like Deel to industry giants such as Nokia, Glovo, and Rakuten. Our mission is to enable businesses worldwide to facilitate meaningful conversations while managing calls and messages seamlessly from a single platform.At CloudTalk, we strive to create an integrated ecosystem for communication among sales and customer service teams, allowing every professional to engage in more productive and impactful conversations.Your Challenge:Are you prepared to influence the future of AI-driven solutions? Join our AI Team — the forefront of our technological advancements. This team is dedicated to developing cutting-edge innovations and exceptional AI voice solutions, including voice agents, AI-generated summaries, and voicemail detection.Your Responsibilities:Design and prototype the integration of AI capabilities into CloudTalk’s offerings, addressing model limitations, latency, cost, and reliability.Collaborate with product and engineering teams to conceptualize, define, and deliver new AI-powered features for voice and conversation intelligence.Conduct thorough research and evaluation of emerging AI models, tools, and architectures to identify optimal solutions for real-world applications.Develop prototypes and proof-of-concept solutions to validate innovative ideas prior to production deployment.Implement chosen solutions into production systems or partner closely with engineers to facilitate their integration.Evaluate and benchmark large language models (LLMs) and speech models to inform technical direction and product strategy.Create and manage automated evaluation pipelines to accelerate the feedback loop between research and production.Enhance existing AI functionalities through experimentation, prompt design, and system-level optimizations.Maintain an in-depth understanding of CloudTalk’s systems to ensure reliable AI integration.Promote best practices in the development, testing, and operation of AI systems.Stay informed about the latest AI advancements and continually assess their potential impact on our products.Your Profile:Proven experience with AI systems, particularly LLM-based or speech-based applications.Ability to design pragmatic AI solutions while recognizing the limitations of existing models.Strong problem-solving and analytical abilities.Comfortable exploring new technologies and conducting experiments to drive innovation.Excellent communication skills and a collaborative mindset.

Join a Leading Global SaaS Company | Backed by $28M Series B Funding | Fully Remote or Hybrid Work Recognized as the #1 AI Business Communication PlatformAbout CloudTalkWith a recent investment of $28 million in Series B funding from esteemed investors including KPN Ventures, Lead Ventures, Point 9, and HenQ, CloudTalk is revolutionizing the way businesses communicate. Our AI-driven platform empowers over 4,000 sales and support teams to enhance customer experience and drive revenue growth.Our solutions cater to organizations of all sizes, from dynamic startups like Deel to industry giants such as Nokia, Glovo, and Rakuten. CloudTalk allows businesses globally to engage in meaningful conversations while managing calls and messages seamlessly from a single interface.We are dedicated to creating an integrated ecosystem for sales and customer service communication, enabling professionals to engage in productive and impactful dialogues.Your Challenge:We are on the lookout for a Senior Fullstack Developer who will play a pivotal role in creating new systems from the ground up, enhance performance across iterations, and contribute to the growth of our prestigious clients, including Nokia, Glovo, and GoFluent.You will have the opportunity to work on greenfield projects and improve existing applications, ensuring our users derive maximum value from CloudTalk. We seek a detail-oriented, proactive, and self-motivated individual who can foresee potential challenges, devise solutions, and deliver clean, efficient code. Collaboration is key in our remote environment; we operate synchronously, fostering an atmosphere of teamwork as if we were all in the same room. We aim to nurture a future tech lead, so a growth mindset is essential.Your Responsibilities:You will face real-world challenges daily, ranging from customer-facing issues to developing new features. You will scope, design, and deliver systems end-to-end, with a constant focus on performance, scalability, and maintainability.What You Can Expect:Develop greenfield projects while continuously enhancing existing systemsDesign and implement microservice-based architecturesPrioritize system quality, reliability, and performanceContribute to technical decision-making and feature planningDraft and review technical designs, proactively identifying opportunities for improvementStay informed on modern technologies and incorporate them into your workCollaborate closely with teammates in a highly synchronous remote settingWhat Makes You a Great Fit:Strong programming skills, with a knack for writing clean, maintainable, efficient, reliable, and secure codeA genuine curiosity and eagerness to learn new technologies and engineering methodologiesExperience in developing with Node.js and AngularProficiency in both front-end and back-end developmentExcellent problem-solving skills and ability to work collaboratively in a team

Please submit your CV in English Join a dynamic global SaaS firm that has recently secured a $28M Series B funding round! We offer structured mentorship and continuous upskilling opportunities. Our new office is located in the heart of Prague at Namesti Republiky. Enjoy a 5-day in-office schedule with the possibility of occasional remote work based on mutual agreement. Compensation includes a base salary ranging from 30,000 to 35,000 CZK gross/monthly, plus a monthly bonus of up to 20% based on your productivity and customer satisfaction metrics. Working hours are Monday to Friday, either from 14:00 to 22:30 or from 15:30 to 00:00.The Challenge AheadAs a vital member of our Customer Support L1 team, you will be the go-to person for customers encountering issues. Your main task will be to analyze, identify the root causes of problems, and provide clear and confident guidance to customers.We seek individuals who thrive on solving puzzles—those who can spot patterns, break down problems, and simplify complex technical issues for our customers.This role is ideal for tech enthusiasts:Basic computer troubleshooting is second nature to you.You feel at ease navigating system settings.You have a passion for understanding how technology works.You are willing to investigate logs, connection tests, and edge cases.No prior VOIP experience is necessary—we will provide comprehensive training. What is crucial is your logical mindset, curiosity, and problem-solving skills.Your ResponsibilitiesDeliver exceptional technical support through chat and email.Investigate call flows, connectivity issues, audio quality concerns, device configurations, and setup errors.Diagnose VOIP-related challenges, such as latency, jitter, firewall configurations, and ISP behaviors.Examine logs, replicate issues, and collect data for deeper analysis.Manage a high volume of inquiries with precision and attention to detail.Document troubleshooting processes and contribute to our knowledge base.Represent CloudTalk with empathy, clear communication, and a sense of ownership.Who We’re Seeking A Logical Thinker: You enjoy unraveling puzzles and identifying root causes, structuring your thoughts with clarity. Tech-Savvy & Curious: You are comfortable with system settings, connection tests, and eager to explore how features operate. While you don’t need to be an engineer, you should possess an inquisitive nature. Problem-Solver With Ownership: Your measure of success is based on issues resolved rather than the number of tickets closed. You are proactive, accountable, and aim for excellence. Strong Communicator: Proficient in English (C1 level); Spanish is a bonus. Team Player Who Values Knowledge Sharing: We cherish individuals who foster learning among peers—curiosity and collaboration are integral to our culture.Why Join CloudTalk? Be Part of an Innovative Global Tech Product: Support a modern cloud-based communication solution that is transforming customer interactions worldwide.

Join our dynamic team at HTTPie as a Senior Frontend Engineer, where you'll have the opportunity to craft exceptional user experiences for our web and desktop applications, documentation, and website content. Your RoleDeveloping high-quality user-facing features with an emphasis on superior user experience.Building complex React components that support drag-and-drop functionality and keyboard shortcuts.Collaborating on a shared React codebase that powers our Next.js and Electron applications.Implementing real-time collaboration functionalities across our products.Enhancing application performance through profiling and optimization techniques.Technology StackFrontend: TypeScript, React, Next.js, TailwindCSS, Electron, WebSocketBackend: Python, Terraform, AWS, Amazon Aurora, AWS Lambda, DjangoTools: Vercel, GitHub, Linear, Slack, Notion, Figma, JetBrains IDEsYour QualificationsMinimum of 5 years of experience in software engineering.Proven experience in developing React single-page applications.Strong understanding of HTTP protocols and modern APIs.Familiarity with contemporary coding practices, testing methodologies, debugging, and automation tools.A passion for developer tools and an eye for what makes them exceptional.A commitment to simplicity and creating delightful user experiences.Ability to discern between robust and minimal solutions to expedite development.Comfortable navigating various levels of abstraction.Excellent written communication skills.A desire to learn continuously and share knowledge with teammates.Bonus QualificationsExperience with TypeScript.Background in building distributed systems.Experience in developing a technology product.Familiarity with early-stage startup environments.Contributions to open-source projects.A history of innovative side projects.An entrepreneurial mindset.

Role overview DNAnexus seeks a Senior Software Engineer to join the Agentic platform team in Prague. This position centers on developing and refining software that enables genomics and data analysis workflows. The engineering work shapes how researchers and clients interact with complex datasets to address practical challenges. What you will do Design, implement, and deploy new features for the Agentic platform Collaborate with colleagues across teams to deliver solutions tailored to client requirements Support ongoing enhancements so the platform can address emerging needs in genomics and data analysis

Join our dynamic team based in Auckland, New Zealand, as a Senior Software Developer! We're on the lookout for passionate individuals eager to learn and evolve with us as we transition to a Rust code base.We invite applications from talented professionals worldwide seeking remote opportunities or those considering relocating to Auckland, New Zealand. While this position is primarily remote, if you're interested in moving, please check our 'Move to New Zealand' listings.Though most of our team operates within the New Zealand timezone, we welcome candidates from different time zones. We only require minimal overlap with our NZ-based team for daily stand-ups, typically held at the start of the NZ workday (9.00am NZT). The exact overlap hours will be discussed further during the recruitment process.Your Role:As a Senior Software Developer, you will collaborate with our core delivery team to design and implement innovative systems that go beyond standard feature development. You'll work alongside highly skilled peers who value software craftsmanship and autonomy.Our environment fosters technical excellence, curiosity, and forward-thinking design. We're seeking an individual excited about emerging technologies and eager to make a significant impact on how people interact with digital systems.We pride ourselves on a culture built on trust, continuous learning, and meaningful impact. Join a team that prioritizes integrity over ego, and clarity over complexity.If you're ready to tackle real-world problems with tangible outcomes and help shape the future of our technology, we would love to hear from you!

Join Our Dynamic Real-Time Engineering Team!We are on the lookout for exceptional Senior Software Engineers to amplify our capabilities. At Cint, our Real-Time Engineering team is a collective of highly skilled individuals who thrive on tackling challenging projects. We pride ourselves on our extensive experience in designing and implementing complex systems that effectively manage unusually high traffic volumes. Our team culture fosters support and collaboration, ensuring every member feels valued. We believe in not just working together but also enjoying social interactions, making our workplace vibrant and enjoyable.Your Role and ResponsibilitiesAs a key member of our results-driven team, you'll find that our focus is purely on product quality and timely delivery. We eliminate workplace politics and distractions, prioritizing the code that directly impacts millions of users daily. You’ll collaborate with other top-notch engineers, ensuring that we collectively deliver a world-class product. The stakes are high; each error or downtime could result in significant financial loss.

Role overview Wrike seeks a Senior Software Engineer in Prague to contribute to the ongoing development of its project management platform. The position centers on designing, building, and maintaining software that supports users and streamlines their workflows. What you will do Collaborate with team members across departments to deliver new features and product enhancements Design and implement software solutions with a focus on usability and performance Maintain and improve existing systems to support a dependable user experience Location This role is located in Prague.

Join Filevine, a pioneering company in Legal AI, as we redefine the future of legal operations through our innovative platform. Our flagship product, powered by LOIS (Legal Operating Intelligence System), integrates data, documents, workflows, and teams into a cohesive ecosystem designed to enhance clarity and consistency in legal work.At Filevine, we leverage the power of AI to transform traditional legal operations into proactive, insightful processes. LOIS intelligently analyzes and connects data across various matters, enabling legal professionals to gain unprecedented insights and streamline their workflows. Our commitment to innovation has not only garnered awards from Deloitte and Inc. but also established us as one of the fastest-growing technology firms in the industry.Role Overview:As a Senior Software Engineer, you will play a crucial role in expanding the capabilities of legal technology. Your responsibilities include developing robust web applications and core backend services that interface with advanced AI models such as GPT, Claude, and Gemini.Working with us means engaging in meaningful problem-solving for real-world clients, taking ownership of features from inception to implementation, and influencing our software development methodologies as we scale.

About UsZeta Global (NYSE: ZETA) is a leading AI-Powered Marketing Cloud that harnesses state-of-the-art artificial intelligence (AI) and vast consumer insights to streamline how marketers acquire, nurture, and retain customers effectively. Our vision through the Zeta Marketing Platform (ZMP) is to simplify complex marketing processes by integrating identity management, data intelligence, and omnichannel activation into a cohesive platform, all backed by one of the industry's most extensive proprietary databases. We empower enterprise clients across diverse sectors to tailor experiences at an individual level, enhancing the effectiveness of their marketing strategies. Established in 2007 by David A. Steinberg and John Sculley, Zeta Global is headquartered in New York City, with a global presence. For more information, visit www.zetaglobal.com.Role OverviewWe are seeking a highly skilled Senior Software Engineer to lead our team in architecting, developing, and managing the Addressability component of the Zeta Marketing Platform. In this role, you will collaborate closely with Engineers, Product Managers, and Executives to define a strategic roadmap and execute projects aimed at creating a next-generation, comprehensive multichannel marketing solution that integrates and unlocks data across digital touchpoints, maximizing marketing ROI.This position entails designing and developing real-time systems for The Zeta Marketing Platform and LiveIntent, focusing on technologies that enable access to core Identity Solutions. You will mentor a team of developers through knowledge-sharing sessions, enhancing their expertise. A deep understanding of distributed systems and cloud architecture is essential, along with extensive design and development experience and a passion for working with large datasets and building reliable, low-latency data processing systems.This is a hybrid position based in our Prague, Czech Republic office.

People.ai is a cutting-edge AI-driven foundational data platform, dedicated to empowering organizations in achieving go-to-market success and growth. Our solutions are tailored to meet the unique needs of teams, offering enhanced visibility into pipelines, actionable insights, and a unified source of truth for all sales activities.People.ai stands out with its unique dataset, comprising trillions of sales activities, millions of deals, and a vast network of 160 million business contacts, supported by 69 approved patents in AI-based business insights. Esteemed companies like Verizon, Red Hat, and Palo Alto Networks trust our enterprise-ready, patented AI technology.At People.ai, we embrace the transformative power of creativity, resourcefulness, and critical thinking in enriching the professional landscape. Our diverse team of innovative thinkers is committed to driving meaningful change and fostering growth. We celebrate uniqueness and applaud non-traditional career journeys, drawing inspiration from those who redefine processes.As a Senior Software Engineer within our XCore team, you will engage with one of the most significant projects at People.ai — Forecasting. Your role involves building and continuously improving a live product that serves active daily users, collaborating closely with business teams and customers through discovery calls. Your contributions will directly influence the company’s revenue by shaping and delivering features based on authentic customer feedback, fundamentally impacting how clients plan, forecast results, and make crucial business decisions.Moreover, you will work in collaboration with our Engineering and R&D teams to enhance core Admin Platform services, including authentication, user management, settings, and configurations. Utilizing customer insights and data analytics, you will design and develop high-performance, low-latency systems and APIs that scale effectively while optimizing our operational costs.Ownership is a core value at People.ai — the ability to see an idea through all stages, from conception to product launch. This ethos is deeply ingrained in our engineering culture. As an engineer at People.ai, you will be part of a highly independent and collaborative environment, driving innovation and excellence.

Join Zeta Global as a Senior Software Engineer specializing in Real-Time Ad Serving. In this role, you will leverage your expertise to develop and optimize our advertising technologies, ensuring the delivery of high-performance solutions that meet our clients' needs. You will collaborate with cross-functional teams to architect and implement scalable systems that drive business growth.

Join us in a thrilling journey as we revolutionize the data storage landscape! At Pure Storage, you will engage in groundbreaking technological advancements, work alongside brilliant minds, and contribute significantly to a rapidly evolving industry.If you're eager to embrace the limitless opportunities that come with innovation and leave a lasting impact, we invite you to be part of our team. THE ROLEThe Access Rules team in DX Engineering plays a pivotal role in shaping security and access management at Pure Storage. This dynamic group of engineers designs and maintains systems that govern user, group, and resource interactions across diverse platforms, ensuring secure operations at scale. The team is passionate about building APIs and backend solutions that enforce robust access controls across multiple systems within Pure Storage and the DX organization. They collaborate closely with the Authorization team, product managers, and UI/UX designers to define and enhance the core of Pure’s authorization infrastructure, contributing directly to complex backend services, overseeing feature migrations, and ensuring the reliability of essential access management systems.WHAT YOU'LL DOArchitect Scalable Ecosystems: Design, develop, and maintain high-availability processing services while adhering to stringent security and compliance standards for mission-critical data.Drive Full Lifecycle Innovation: Manage the entire development lifecycle—from experimenting with new technologies to deployment—keeping our platform at the leading edge of the industry.Optimize Engineering Excellence: Champion code quality through unit testing, thorough code reviews, and automated CI/CD pipelines to ensure seamless, continuous delivery.Collaborative Problem Solving: Work with stakeholders to translate complex business needs into elegant technical solutions, focusing on system interoperability and long-term maintainability.WHAT YOU BRINGBackend Mastery: Strong expertise in modern backend languages (such as Python, Java, or Golang) and demonstrated experience in designing and launching intricate software components, with an interest or experience in security.Cloud Native Expertise: Proven experience in building and scaling applications in cloud environments.

Join Zeta Global as a Senior Software Engineer in our Real-Time Ad Serving team. You'll be working on innovative technologies that drive ad serving efficiency and effectiveness in real-time. We are looking for a highly skilled engineer who is passionate about building scalable software solutions and enjoys working in a collaborative environment.

Emplifi stands at the forefront of customer engagement solutions, empowering over 20,000 elite brands such as McDonald's, Ford Motor Company, and Delta Air Lines to craft seamless and empathetic experiences across various sectors including marketing, commerce, and customer care. Our integrated suite of tools for social media marketing, social commerce, customer support, and unified analytics, driven by AI, allows brands to foster deeper customer relationships, elevate product sales, and enhance loyalty. Based in New York, Emplifi collaborates with major digital and social platforms such as Google, Meta, LinkedIn, TikTok, and Snapchat. Discover more at www.emplifi.io.About Ratings & ReviewsOur Ratings & Reviews platform assists brands in gathering and displaying customer feedback, thereby building trust and enhancing conversions. Featuring Speedflex™ widgets that load 85% faster, our platform supports various review types, including visual content and Q&A. It streamlines the review collection process and easily integrates with email, SMS, apps, and loyalty programs. With customizable designs, robust moderation tools, and comprehensive analytics, businesses can manage reviews efficiently and gain insights into customer sentiment.About the PositionAs a Senior Software Engineer, you will be instrumental in developing and maintaining applications and back-end services for the Ratings and Reviews (R&R) product within the Social Commerce team. We seek an individual with a solid engineering background, preferably in the E-commerce and SaaS domains. Your primary focus will be on web services, predominantly developed in Java, emphasizing scalability and performance as we expand and integrate our services within the larger Emplifi Suite.This role necessitates a profound technical understanding of our systems and products, enabling effective execution while making informed, user-centered decisions when necessary. You will collaborate closely with Design, Product, and DevOps teams to enhance our embedded content galleries and management dashboard utilized by hundreds of prestigious brands globally.

Join Us in Revolutionizing Cloud Networking and Security!Cato Networks is at the forefront of merging enterprise networking and security into a unified, cloud-based service. Founded by industry pioneers and innovators, we are creating a transformative product category recognized by Gartner as 'SASE', projected to grow to $28.5 billion by 2028. This is your chance to embark on a remarkable journey with a company poised to lead the global market in secure cloud platforms.We are looking for a talented Senior Software Engineer to join our innovative team in Prague, Czech Republic. In this pivotal role, you will design and develop cloud-driven networking and security management solutions. Your contributions will directly enhance our product offerings while you work alongside a dynamic scrum team to create high-performance microservices.Key Responsibilities:Software Development: Develop robust, scalable, and secure coding patterns. Contribute to Cato's web application through backend and full-stack development, focusing on microservices designed for near real-time performance.Code Reviews: Maintain high standards through rigorous code reviews, ensuring quality, test coverage, and security.Technical Specifications: Comprehend and document the architecture of connected features, architecting complex end-to-end solutions and providing insightful feedback on specifications.Support/On-Call Rotation: Manage outage incidents and troubleshoot security concerns effectively.Technology Stack:Java, Spring BootAWS (SQS, KMS, DocDB, S3), Microservices, Kubernetes, Docker, Kafka, PostgreSQL, MongoDBGolang, TypeScript, ReactRequirements:Minimum of 5 years in backend development, with strong proficiency in Java and Spring Boot.Demonstrated experience in high-performance environments and benchmark evaluations.Solid understanding of architecture, design, and development of complex web applications.

Our MissionAt SentinelOne, our mission is to empower those who safeguard our future. As artificial intelligence transforms organizations, the imperative to protect them becomes increasingly vital. Joining us means that your contributions will help shield global enterprises, critical infrastructure, and the groundbreaking technologies of tomorrow. If you are driven by significant challenges and seek to make a tangible, worldwide impact, you will find your purpose here.About UsSentinelOne stands at the forefront of AI and cybersecurity, innovating a novel model for security operations. Our AI-driven platform integrates protection across endpoints, clouds, identities, data, and AI systems, ensuring autonomous detection and response with exceptional clarity and speed. By leveraging real-time analytics, intelligent automation, and a consolidated data foundation, we minimize distractions, simplify complexities, and empower security teams to concentrate on what truly matters.Our workforce comprises builders, problem-solvers, and innovators dedicated to revolutionizing the security landscape. If you are eager to tackle challenging problems alongside talented, mission-focused individuals, we welcome you to help us forge a safer future for humanity.What We SeekWe are in search of individuals who are deeply curious and committed to lifelong learning. AI is redefining every aspect of our operations, and we encourage every team member, regardless of their role or level, to gain proficiency in AI tools and concepts. Those who flourish here actively pursue innovative solutions, conduct thoughtful experiments, and utilize their insights to drive superior, faster, and smarter outcomes.As a Senior Software Engineer for our Endpoint Protection Platform, you will design, develop, and maintain high-performance, low-latency applications that can process millions of events per second. You will be responsible for the entire lifecycle of high-volume data pipelines, ensuring critical stability and data integrity through rigorous testing and vigilant monitoring of vital performance metrics. By continuously enhancing the codebase and optimizing for distributed architectures, you will create the resilient infrastructure that enables SentinelOne’s platform to outpace global cyber threats in real-time.

Join Zeta Global as a Senior Software Engineer specializing in Real-Time Ad Serving. In this critical role, you will be responsible for developing and optimizing our cutting-edge ad serving technologies to enhance user experience and drive engagement. Collaborate with cross-functional teams to design scalable solutions and troubleshoot complex issues in a dynamic environment.