Remote Senior Node.js Software Engineer @ ZEN.COM

2 weeks ago


Remote Kraków Rzeszów, Czech Republic ZEN.COM Full time

At least 4–5 years of experience in programming. Good knowledge of Node.js. Understanding of Node.js internals. Deep knowledge of JavaScript, ES5+, TypeScript. Very good understanding of web protocols like HTTP, JSON-RPC, REST. Knowledge of architecture design patterns. Experience in GIT version control system. Experience in engineering practices: code review, testing, CI, CD. Experience in MongoDB, MsSQL, and Redis. Experience in RabbitMQ (AMQP) ZEN.COM is a smart financial app designed for your everyday life – at home and on the go. We make payments, online shopping, and personal finance management fast, secure, and effortless. With ZEN, you can enjoy cashback on purchases, full control over your spending, and peace of mind thanks to purchase protection. A built-in multi-currency account lets you spend abroad or shop internationally with great exchange rates and no hidden fees. We are looking for a Senior Node.js Software Engineer to join our team in Krakow, Rzeszów or Remotely. If you are looking for challenging projects in a start-up environment with high autonomy and ownership, this offer is for you. What We Offer: Future career opportunities with international exposure A supportive and diverse environment that allows our employees to thrive and learn Flexible working hours Private medical healthcare Motivizer card Internal and external trainings ,[Developing and maintaining our API microservices created with Node.js., Contributing to developing the ZEN.COM fintech app., Gathering and sharing knowledge across the team., Producing top quality source code., Creating new products and developing existing ones., Working on new functionalities based on requirements and thorough system analysis.] Requirements: Node.js, JavaScript, TypeScript, Protocols, HTTP, REST API, Git, Testing, CD, MongoDB, MSSQL, Redis, RabbitMQ Additionally: Private healthcare, Motivizer, In-house trainings.



  • Remote, Rzeszów, Warszawa, Czech Republic ZEN.COM Full time

    Expertise in Python or Java/Kotlin; comfort across HTTP, browser runtimes, and modern web protocols. Deep understanding of headless execution, DOM/JS, and network behavior; experience with browser automation frameworks is a plus. Practical experience handling rate limits/challenges and building systems that degrade gracefully. Solid grounding in data...


  • Remote, Czech Republic GMI Software Full time

    Core Tech Expertise: Advanced knowledge of version control systems, particularly Git Extensive practical experience with cloud-based solutions (AWS preferred) In-depth experience working with databases, especially MySQL and PostgreSQL Mastery of Node.js and related libraries and frameworks (e.g., Nest.js) Proven ability to design and create robust, scalable...


  • Remote, Czech Republic RITS Center Full time

    We are looking for a performance-driven backend Senior Node.js Developer who can help us bring our client's trading solutions to the next level of functionality, scalability, and user experience. They are actively developing a new event-driven microservices architecture to form a foundational platform for delivering new trading applications.  You will...

  • Senior Fullstack

    2 weeks ago


    Remote, Czech Republic Scale It Up Full time

    seniority in web engineering; a marketplace/payments experience would be a huge plus; availability to start in October and readiness to work on a short term contract (3 months with possibility of prolongation); English - upper intermediate / advanced; AI skills - nice to have; Short term contract (3 months) - with an option to prolong; Product:...


  • Remote, Czech Republic GMI Software Full time

    Core Tech Expertise: At least 3 years of professional experience as a Back-end Developer with Node.js technology in ecommerce Advanced knowledge of version control systems, particularly Git Extensive practical experience with cloud-based solutions (AWS preferred) In-depth experience working with databases, especially MySQL and PostgreSQL Mastery of Node.js...


  • Remote, Czech Republic OpenVPN Full time

    5+ years of software engineering experience, designing and deploying distributed systems at scale. 3+ years of hands-on experience with Go (Golang), including concurrency, memory management, networking, and performance tuning. Deep understanding of network-level protocols and enforcement (TCP/IP, UDP, DNS, TLS, iptables/nftables, conntrack). Proven...


  • Remote, Czech Republic Superdevs Full time

    What you bring 5+ years of experience as a Software Engineer Full-stack skillset with strong backend orientation Demonstrated, hands-on use of LLMs/AI in real development workflows (e.g. code generation, refactoring, prototyping) Experience integrating with complex platforms or distributed systems Proven experience delivering solutions from scratch with...


  • Kraków, Czech Republic Software Mansion S.A. Full time

    We usually work for tech startups so we’ve had our share of ever-changing, dynamic projects. In this environment, the development stage is planned only a few weeks ahead and pivots are an integral part of the job. But we like it this way – releases are quick and clients are open to trying out new technologies. What is more, there is very little chance...


  • Remote, Kraków, Wrocław, Warszawa, Katowice, Czech Republic Oversee Full time

    5+ years of experience in software engineering, with a track record of building production systems Strong background in designing scalable, distributed applications Hands-on experience with Python/Django and Java/Kotlin*(JVM stack) Familiarity with TypeScript/React Solid understanding of Linux runtime environments Skilled at identifying and solving...


  • Remote, Czech Republic Augmenta Full time

    We’re seeking a performance-focused Backend Node.js Developer to drive advancements in functionality, scalability, and user experience. You will join a team that is actively developing a new event-driven microservices architecture to form a foundational platform for delivering new trading Applications.  Must-Haves: Bachelor’s Degree, preferably in...