Mid/Senior Full-Stack Engineer (TypeScript, Node.js, Vue.js, AWS) (B2B)

🏢 Summary: Full-time, fixed-term B2B contract for a Mid Fullstack Engineer to build and maintain a complex project and resource management web platform. The role covers scalable TypeScript development across React/Next.js frontend and Node.js/Express/PostgreSQL backend, including business workflows, permissions, dashboards, and data aggregation. Offers 100% remote work, flexible hours, and 85–120 PLN/h net + VAT. 🗂️ Requirements: 3+ years of commercial Fullstack Engineer experience, Commercial TypeScript experience across frontend and backend, React experience, Node.js and Express backend experience, PostgreSQL and relational database design experience, Modern web application experience with complex business logic, REST APIs, application architecture, and state management knowledge, Use of AI-powered coding assistants in daily workflow, Independent and cross-functional teamwork, Problem-solving and code-quality focus, Polish C1, English B2 📃 Skills: TypeScript, React, Next.js, Node.js, Express, PostgreSQL, REST, GitHub, Copilot, Cursor, ChatGPT, Claude 🏢 Description: The role We're looking for a Mid Fullstack Engineer with commercial experience building modern web applications using TypeScript and React . You'll join a product team developing a complex web platform that supports project and resource management, capacity planning, reporting, and collaboration across multiple user roles. The platform includes sophisticated business processes, role-based permissions, interconnected modules, and dashboards powered by aggregated data. You'll contribute to both frontend and backend development, building scalable features while collaborating closely with product managers, designers, and other engineers. This is a full-time (1 FTE), fixed-term contract from August/September 2026 until January/February 2026, dedicated to this product development project. What you'll do Develop and maintain full-stack features using TypeScript across both frontend and backend. Build user interfaces with React/Next.js and implement backend services using Node.js, Express, and PostgreSQL. Design and implement business logic related to project planning, resource management, capacity planning, and workflow automation. Develop and evolve data models, authorization mechanisms, and data aggregation logic. Build rich operational interfaces, including dashboards, tables, forms, filters, and user workflows tailored to different user roles. Collaborate with project managers, designers, and engineers to translate business requirements into scalable, high-quality solutions. Write clean, maintainable, and well-tested code while participating in code reviews. Contribute to architectural discussions and continuously improve the quality, performance, and maintainability of the platform. What we're looking for 3+ years of commercial experience as a Fullstack Engineer. Strong commercial experience with TypeScript across both frontend and backend development. Hands-on experience with React (Next.js is a plus). Commercial experience building backend applications with Node.js and Express. Experience working with PostgreSQL and relational database design. Comfortable using AI-powered coding assistants (e.g. GitHub Copilot, Cursor, ChatGPT, Claude) as part of the daily development workflow. Experience building and maintaining modern web applications with complex business logic. Good understanding of REST APIs, application architecture, and state management. Ability to work independently while collaborating effectively within a cross-functional team. Strong problem-solving skills and attention to code quality. Comfortable working in a bilingual environment (Polish C1, English B2). Nice to have Experience with Python and FastAPI. Experience designing permission models or role-based access control. Familiarity with automated testing and CI/CD pipelines. Experience working on SaaS or B2B products. What we offer 85-120 PLN/h netto + VAT, B2B 100% remote setup and flexible hours Interesting, meaningful projects – we only take on the ones we truly believe in :-)

🏢 Summary: Senior Full-Stack Engineer role focused on building scalable ASP.NET/C# microservices and React/TypeScript interfaces, with a 60/40 frontend-to-backend split. The position offers technical ownership, mentoring opportunities, and a potential path to Tech Lead while working hybrid from Poland under an employment contract. 🗂️ Requirements: Poland residency, MSc in Computer Science or equivalent, 5+ years building secure REST APIs with ASP.NET, 5+ years developing frontend applications with React, Microservices architecture expertise, Cloud design-pattern knowledge, Technical ownership, Technical leadership, English B2 fluency 📃 Skills: ASP.NET, C#, React, TypeScript, REST, Microservices, Cloud, AWS, Agile, DDD 🏢 Description: We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 60/40 front-/backend focus, ideal for someone who likes to take ownership, thrives in a dynamic product team, and enjoys mentoring others. This role could easily become a Tech Lead role in a foreseeable future. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you. This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (only, no B2B). What you will be responsible for Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles. Develop responsive user interfaces with React and TypeScript that enhance usability and performance. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Define, design and align feature architecture with the Head of Engineering to ensure consistency and scalability. Ensure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage. Support incident response and production issue resolution as per team standards. Actively contribute to team knowledge sharing and coach colleagues in technical best practices. What makes you a match Essential Qualifications: MSc+ in Computer Science or equivalent 5 years of proven experience in building secure REST APIs using ASP.NET , as well as developing solid front-end applications with React are non-negotiable must haves. Comprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns. Demonstrated ability of high technical Ownership and Tech Leadership are a requirement for this role. Bonus Skills: Hands-on experience with AWS infrastructure. Experience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD). Collaboration and Interpersonal Skills: Clear and adaptive communication with both technical and non-technical stakeholders. Strong sense of ownership, accountability, and proactive problem-solving. Languages: English: B2 - (No certificate required, but Fluency) Polish and German: desired, not required What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record provider Remote.com , ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates may be asked to verify their identity their identity before speaking with our Recruiter. This step helps us prevent fraud and focus our resources on genuine applicants. About us Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Four Interviews — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.

🏢 Summary: Senior Full Stack Developer role focused on building and operating a cloud-native product suite for asset lifecycle and investment decision-making. The position combines hands-on .NET/C#, Angular, AWS, integrations, DevOps, and production-quality ownership in a data-intensive environment. 🗂️ Requirements: Extensive .NET Core, C#, and Angular experience, Distributed systems and REST API integration experience, Microservices, Docker, Kubernetes, and Kafka or AMQ experience, SQL and/or NoSQL database experience, AWS cloud-native solution experience, CI/CD, test automation, and release management experience, Git, Azure DevOps, and/or GitHub Actions experience, Containerized application experience, Senior-level technical ownership and problem-solving, Stakeholder and technical communication skills 📃 Skills: .NET, C#, Angular, AWS, EKS, Docker, Kubernetes, Kafka, AMQ, REST, SQL, NoSQL, Git, DevOps, CI/CD, Azure, GitHub 🏢 Description: We are looking for an experienced Senior Full Stack Developer to support the development of a complex product suite used in a large-scale asset lifecycle and investment decision environment. The solutions help business and technical teams work with transparent, reliable, and traceable data, supporting better decisions around business cases, assumptions, calculations, forecasts, cost models, and operational planning. This is a senior hands-on engineering role combining backend, frontend, cloud, integrations, and production ownership. You will join a product environment where software quality, maintainability, cloud-native engineering, and strong technical ownership are key. About the role You will work on a suite of digital products used by different business functions, including engineering, finance, procurement, business development, project teams, and asset management stakeholders. The platform includes case management and orchestration capabilities, specialist tools for forecasting and cost estimation, data-driven components for assumptions and market information, and a reporting/data warehouse layer. The goal is to ensure that data, calculations, and business assumptions remain consistent, traceable, and reliable across products and processes. Key responsibilities Design, develop, and maintain scalable applications using .NET / C#, Angular, cloud services, and modern integration patterns. Build secure, maintainable, and reliable software aligned with product and architecture goals. Take ownership of solution quality, including security, compliance, authentication, authorization, and data protection. Improve production applications with a focus on reliability, performance, observability, incident resolution, and long-term maintainability. Work with cloud-native architecture and deployment patterns, primarily in AWS. Design and maintain integrations using REST APIs, microservices, and messaging platforms such as Kafka. Support DevOps practices: CI/CD, test automation, release management, and developer productivity improvements. Participate in technical discussions, architecture decisions, code reviews, and solution design. Mentor less experienced engineers and support high engineering standards across the team. Collaborate with architects, product owners, and stakeholders to translate business needs into robust technical solutions. Requirements Extensive hands-on experience with .NET Core, C#, and Angular. Strong understanding of object-oriented programming, clean code, SOLID, design patterns, and maintainable architecture. Experience building distributed systems and integrations using REST APIs, microservices, Docker, Kubernetes, and messaging platforms such as Kafka or AMQ. Experience working with SQL and/or NoSQL databases. Strong practical experience with cloud-native solutions on AWS, including areas such as: EKS / Kubernetes cloud storage secrets management, e.g. AWS Secrets Manager monitoring and observability production-grade deployments infrastructure automation Good understanding of DevOps practices and tools for automation, CI/CD, testing, and releases. Experience with Git, Azure DevOps, and/or GitHub Actions. Ability to work with containerized applications using Docker and Kubernetes. Senior-level ownership, strong problem-solving skills, and the ability to balance delivery speed with long-term quality. Strong communication skills and experience working with architects, product owners, and business stakeholders. Nice to have Experience with data-heavy applications, reporting platforms, forecasting tools, cost estimation, or business case systems. Experience with asset management, finance, investment-related systems, or complex operational platforms. Experience mentoring engineers and influencing technical direction in a product team.

🏢 Summary: Senior Full Stack Engineer role focused on leading the delivery of scalable, business-critical web applications. The position combines React/Remix front-end development with Python REST APIs, Azure cloud deployment, automated testing, and DevSecOps practices while providing technical leadership in an Agile team. 🗂️ Requirements: Senior full-stack engineering experience, TypeScript, React, Python, RESTful API development, MongoDB, SQL databases, Microsoft Azure, Azure Kubernetes Service, Clean, testable code, Test-driven development, Vitest, Pytest, DevSecOps practices, GitHub workflows, GitHub Actions CI/CD, Kubernetes, ArgoCD, Problem-solving, Technical communication, Bachelor’s degree or equivalent professional experience 📃 Skills: TypeScript, React, Remix, Python, MongoDB, SQL, Azure, AKS, Vitest, Pytest, GitHub, GitHubActions, Kubernetes, ArgoCD, DevSecOps, TDD, GitOps, ES6 🏢 Description: We are seeking an experienced Senior Full Stack Engineer to join a high-performing engineering team responsible for building and enhancing innovative web-based platforms. This role offers the opportunity to work on complex, business-critical applications while driving technical excellence, engineering best practices, and scalable software solutions. As a Senior Engineer, you will take ownership of advanced development initiatives, contribute to architectural decisions, and help shape the future direction of modern web applications. You will work across both front-end and back-end technologies , combining expertise in React-based user interfaces and Python API development to deliver secure, scalable, and maintainable solutions. The ideal candidate will have strong full-stack engineering experience, a passion for clean code and automation, and the ability to solve complex technical challenges within a collaborative, agile environment. Key Responsibilities Lead the design, development, and delivery of complex software engineering initiatives from concept through to production. Architect and build scalable Python RESTful APIs and modern React/Remix-based web applications using service-oriented architecture principles. Develop reusable components, integrations, and technical solutions that improve application scalability and maintainability. Investigate, troubleshoot, and resolve complex technical issues, providing effective solutions and long-term improvements. Establish and promote engineering best practices across development, testing, security, and deployment processes. Champion a DevOps-first mindset , supporting automation, continuous delivery, and operational excellence. Define and address non-functional requirements including performance, accessibility, reliability, and security. Collaborate closely with Product Owners, architects, engineers, and business stakeholders to translate requirements into innovative technical solutions. Provide technical guidance and mentorship to other engineers, encouraging knowledge sharing and continuous improvement. Contribute to Agile delivery practices, supporting effective planning, estimation, and iterative development. Essential Skills & Experience Proven experience as a Senior Full Stack Engineer or similar technical leadership role, delivering complex software solutions. Strong proficiency in TypeScript , including modern ES6+ features and best practices. Extensive experience building dynamic, responsive front-end applications using React , with experience in Remix or similar frameworks preferred. Strong backend development experience using Python , including the design and implementation of RESTful APIs. Solid understanding of database technologies, including MongoDB and relational SQL databases. Hands-on experience with Microsoft Azure , particularly Azure Kubernetes Service (AKS) and cloud-native application deployment. Strong commitment to writing clean, maintainable, and highly testable code. Experience with Test Driven Development (TDD) and automated testing frameworks, including: Unit testing with Vitest and Pytest Functional testing exposure with Playwright is desirable. Strong understanding of modern DevSecOps practices , including: GitHub version control workflows CI/CD automation using GitHub Actions Containerised application deployment using Kubernetes GitOps practices with ArgoCD Excellent problem-solving skills with strong attention to technical detail and quality. Strong communication skills with the ability to collaborate effectively with both technical and non-technical stakeholders. Bachelor’s degree in Computer Science, Engineering, or a related discipline, or equivalent professional experience. Desirable Skills Azure Developer certification, particularly AZ-204 . Experience working with Databricks or modern data platforms. Experience working in Scrum-based Agile environments . Previous experience working with large-scale enterprise applications and distributed systems.

🏢 Summary: Full Stack Developer role focused on fixing and enhancing an existing demand-planning application. The position involves building scalable TypeScript/JavaScript web applications, Vue.js interfaces, and Node.js/Nest.js APIs while collaborating with data engineers and product stakeholders. 🗂️ Requirements: Full Stack development experience, TypeScript, JavaScript, Vue.js, Node.js, Nest.js, PostgreSQL, MySQL, or MongoDB, RESTful API development and integration, Git-based version control, Agile development experience 📃 Skills: TypeScript, JavaScript, Vue.js, Node.js, Nest.js, PostgreSQL, MySQL, MongoDB, REST, Git, GitHub, GitLab, Bitbucket, Azure, Docker, Kubernetes 🏢 Description: Our customer is a global leader in automotive safety, specializing in the design, development, and manufacturing of automotive safety systems such as airbags, seatbelts, steering wheels, and active safety solutions. Company operates in over 27 countries and collaborates with the world’s largest automobile manufacturers to enhance vehicle safety and reduce traffic fatalities. Company known for its commitment to innovation and sustainability, continuously advancing technologies in different areas. Our engineer should help to fix issues of existing demand planning application, as well as work on new features development. Requirements: Proven experience as a Full Stack Developer, specializing in TypeScript and JavaScript Strong proficiency in front-end framework - Vue.js. Solid understanding of backend technologies, including Node.js and Nest.js. Experience working with databases such as PostgreSQL, MySQL, or MongoDB. Knowledge of RESTful API development and integration. Familiarity with Azure cloud is a plus Experience with containerization tools like Docker and Kubernetes is a plus. Proficiency in version control systems (Git, GitHub, GitLab, or Bitbucket). Strong problem-solving skills and the ability to work in an agile environment. Excellent communication skills and a collaborative mindset. Responsibilities: Develop and maintain scalable web applications using TypeScript and JavaScript. Design and implement responsive front-end interfaces with modern frameworks. Build and optimize server-side logic and APIs to enhance application performance. Collaborate with cross-functional teams, including Data Engineers, product managers. Ensure code quality, performance, and security through best practices and testing. Be ready to work independently and collaborate with stakeholders. Participate in code reviews and provide constructive feedback. Maintain technical documentation and contribute to the team’s knowledge base. Stay updated with the latest trends and best practices in web development. We offer: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits

🏢 Summary: Senior Fullstack Engineer role focused on building scalable cloud-native applications with a 50/50 split between React/TypeScript frontend development and Node.js microservices backend development. The position includes API and UI development, automated testing, production support, and technical mentoring in a product-driven team. It is a Poland-based hybrid/remote role requiring quarterly in-person collaboration in Poland. 🗂️ Requirements: Poland residency, MSc in Computer Science or similar, 7–10 years of JavaScript/TypeScript experience, React and modern SSR framework expertise, Node.js expertise, Strong automated testing skills, Fluent English 📃 Skills: JavaScript, TypeScript, React, Node.js, Vitest, Playwright, Storybook, AWS, Lambda, S3, CloudFront, IAM, Pulumi, Microservices, SSR, Remix, Next.js 🏢 Description: We’re seeking a Senior Fullstack Engineer with a passion for building scalable, cloud-native applications using modern JavaScript technologies. In this hands-on role, you’ll collaborate with our product development team to design and implement microservices and micro frontend architectures , ensuring high performance, usability, and maintainability. This role offers a 50/50 split between frontend and backend development , making it ideal for someone who thrives in a fast-paced, product-driven environment , takes ownership, and enjoys mentoring teammates. If you’re experienced in and excited about leveraging React, TypeScript, and Node.js to create impactful solutions, we’d love to hear from you! This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (brutto). What you will be responsible for Collaborate in refinement sessions with product and tech teams to ensure feature clarity and feasibility. Design, implement, and maintain scalable web APIs using Node.js and microservices architecture principles. Develop responsive, high-quality user interfaces with React and TypeScript . Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Align feature architecture with Tech Leads to ensure consistency and scalability. Ensure features meet the Definition of Done with robust test coverage (unit, integration, E2E). Support incident response and production issue resolution. Mentor teammates and contribute to knowledge sharing in technical best practices. What makes you a match > Essential Qualifications (Must-Have's): MSc Computer Science or similar 7 - 10 years of professional experience in JavaScript/TypeScript Expertise in React + a modern SSR framework (React Router v7 / Remix / Next.js) (frontend) and Node.js (backend) Strong testing skills ( Vitest, Playwright, and Storybook interaction tests/component-driven ). > Bonus Skills: Familiarity with AWS (Lambda, S3, CloudFront, IAM, Pulumi / infrastructure-as-code). Agile/DDD experience in cross-functional teams. > Collaboration and Interpersonal Skills Clear communication with technical/non-technical stakeholders. Ownership mindset with proactive problem-solving. Languages: Fluent English (required); German, Polish, Ukrainian (all nice-to-have). What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record ( remote.com ), ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates might be asked to verify their identity via PEScheck before speaking with our recruiters. This step helps us prevent fraud and focus our resources on genuine applicants. Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Interview Round — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.