Senior Full-stack Developer Opportunity

16 hours ago


Remote Kraków, Czech Republic beBeeSoftware Full time €80,000 - €120,000
Full Stack Software Engineer Job

Massive Rocket is a global Martech agency looking for a talented Senior Full-stack Developer to join our growing team. We deliver cutting-edge marketing technology solutions using React and leverage the latest in web, mobile, cloud, data, and AI technologies.

We work with clients across the globe, delivering high-quality digital experiences at scale. As a key technical contributor within the engineering team, you will be responsible for designing and implementing complex features, ensuring high performance and scalability.

Our ideal candidate is passionate about engineering, thrives in a global environment, and is eager to work on innovative projects. If you're looking for a fast-paced and supportive work culture with opportunities for growth and advancement, we'd love to hear from you.

Job Description:

As a Senior Full-stack Developer, you will be responsible for developing internal products and crafting client solutions using React. You will work closely with data scientists, product managers, and backend engineers to translate requirements into technical solutions and ensure seamless integration.

  • Design and implement RESTful APIs and GraphQL endpoints to power the front-end application and integrate with other services.
  • Interact with databases (SQL and NoSQL), including data modeling, query optimization, and ensuring data integrity.
  • Develop robust web scrapers for structured & unstructured data, productionalize and maintain Machine Learning models developed by the Data Science team.
Required Skills and Qualifications:

Our ideal candidate has:

  • Expert-level proficiency in TypeScript and its application in building robust and type-safe applications at scale.
  • Mastery of React.js, including advanced concepts like state management (Redux, Zustand), performance optimization, and server-side rendering.
  • Familiarity with Next.JS framework, REST API, Python, pandas, NumPy, CI/CD, DevOps, Cloud Tools.
  • Strong understanding of testing frameworks and best practices for ensuring code quality and application stability.
Benefits:

Fast-moving environment – you will never stop learning and growing

Supportive and positive work culture with an emphasis on our values

International presence – work with team members in Europe, the US, and around the globe

100% remote forever

Career progression paths and opportunities for promotion/advancement

Organised team events and outings

Participate in architectural discussions, propose solutions, and contribute to the evolution of the solution architecture.

Identify and address performance bottlenecks across the entire stack, optimize application code, and ensure a smooth and responsive user experience.

,

  • Remote, Czech Republic Quiet Stack Full time

    3+ years of professional experience in full-stack development.2+ years building and integrating Web3 applications (wallets, smart contracts, NFTs, token flows, etc.).Strong skills in JavaScript/TypeScript, React, Node.js, and modern frameworks.Familiarity with Solidity, EVM chains, and blockchain SDKs (e.g. ethers.js, wagmi, viem).Experience with APIs,...


  • Remote, Czech Republic beBeeSoftwareDeveloper Full time €60,000 - €100,000

    Job Description:We are seeking a skilled Full Stack Developer to join our team. The ideal candidate will have expertise in C# .NET, React JS, and microservices architecture.


  • Remote, Czech Republic beBeeDeveloper Full time 600,000 - 850,000

    Our team is seeking seasoned professionals to fill the role of Full Stack Developers, focused on crafting cutting-edge software solutions using Angular and Python/FastAPI. These ambitious projects demand proficiency in modern development practices, solid communication skills, and a knack for collaboration.Key Responsibilities:Development: Develop and...


  • Remote, Czech Republic beBeeSoftware Full time

    We are seeking an exceptional Technical Lead to spearhead the transformation of a large-scale, monolithic system into a modular microservices-based architecture.In this pivotal role, you will lead a development team in implementing hands-on full-stack development with Java (Spring Boot) and React. This involves driving the decomposition of a legacy...


  • Remote, Czech Republic AVENGA (Agencja Pracy, nr KRAZ: 8448) Full time

    Must-have:Minimum 5 years of professional software development experience in enterprise projectsStrong expertise in Angular (including Sass and RxJS)Advanced knowledge of Python and FastAPI (min. 5 years)Good understanding of REST principles and experience building APIsSolid knowledge of microservices architectureExperience with relational and NoSQL...


  • Remote, Czech Republic beBeeFullstack Full time 1,160

    Senior Fullstack DeveloperWe are seeking an experienced Senior Fullstack Developer to join our team.Ambitious individual with 5+ years of experience in full-stack development with Angular and Python/FastAPI, as well as a strong understanding of REST, microservices, and database principles.Ability to work effectively with Git workflows (e.g., cherry-picking,...


  • Kraków, Lesser Poland, Czech Republic beBeeDeveloper Full time

    Job OpportunityWe are seeking a skilled Full-Stack developer to join our team. As a key member, you will be responsible for designing and implementing complex software solutions.Key ResponsibilitiesDesign and develop full-stack applications using Python, JavaScript, and Ruby.Work on platform integrations with Shopify, SFCC, VTEX, NetSuite, and POS...


  • Remote, Wrocław, Gdańsk, Warsaw, Kyiv, Kraków, Czech Republic beBeePython Full time

    Senior Full Stack Solutions Architect">We are seeking a skilled Senior Full Stack Solutions Architect with expertise in Python and React to shape the technical foundation of our platform. This role involves ensuring high-quality, secure, and scalable code for our platform. You will collaborate closely with our Chief Technical Officer and development partners...


  • Remote, Warsaw, Czech Republic beBeeData Full time 600,000 - 800,000

    Job Opportunity: End-to-End Developer ExpertiseWe are seeking an expert Full Stack Developer to design and develop modern, responsive user interfaces (UIs) and create real-time, interactive data visualizations.Key Responsibilities:Design and Development: Design and build modern, responsive UIs for AI monitoring, dashboards, semantic search, and RAG tools...


  • Remote, Czech Republic Upvanta Full time

    What we expect from youYou're not just a developer – you're a creator, problem solver, and a leader in your craft.Experience developing mobile applications with Flutter in a commercial/production environmentProficiency in back-end languages and frameworks (e.g., NodeJS, Express, TypeScript on Google Cloud/Firebase or similar)Ability to design and build...