Mid-Senior Full-Stack Engineer

🏢 Summary: Senior FullStack .NET Developer role focused on building and scaling cloud-native FinTech products across backend microservices and modern React frontends. The position involves end-to-end feature ownership, architectural contributions on Azure, and development of high-performance, user-centric web applications. It combines distributed systems engineering with product-driven development in a fast-paced environment. 🗂️ Requirements: 5+ years experience with .NET (6/8+) and C#, Strong experience building RESTful APIs, Experience with event-driven architectures, Solid experience with React and TypeScript, Experience with state management libraries (Redux, Zustand, or React Query), Practical experience with Azure (App Services, Functions, Service Bus, Cosmos DB/SQL), Strong knowledge of SQL Server, Experience with Entity Framework Core, Hands-on experience with Docker and Kubernetes, Experience with CI/CD pipelines (Azure DevOps or GitHub Actions), Experience working with microservices architecture 📃 Skills: .NET, C#, React, TypeScript, Azure, SQL, SQLServer, EntityFramework, Docker, Kubernetes, CI/CD, REST, Microservices, Redux, Zustand, ReactQuery, ServiceBus, CosmosDB, GitHubActions, AzureDevOps 🏢 Description: About Optiveum and our Client Optiveum is a boutique talent advisory firm. We help our clients build high-performance technology teams that move the needle. We are currently looking for a Senior FullStack .NET Developer for our client—a fast-growing US-based leader in the Financial Technology sector . With a major engineering hub in Warsaw , they are blending American innovation and "move-fast" culture with top-tier Polish engineering talent. You’ll be joining an environment that skips the bureaucracy in favor of high ownership, architectural excellence, and a product-first mindset. The Role As a Senior FullStack Engineer, you aren’t just executing tickets; you are a product builder . You will bridge the gap between robust, high-scale backend services and modern, highly interactive user interfaces. This role is perfect for someone who thrives in a fast-paced US tech culture, enjoys solving complex distributed systems puzzles, and cares deeply about delivering a world-class User Experience (UX). Your Responsibilities Full-Scale Development: Own features end-to-end, from database schema and API design to the final React component. Architecture & Scale: Contribute to the evolution of a Cloud-Native microservices architecture on Azure, designed to handle global traffic. Engineering Excellence: Maintain high standards (SOLID, Clean Code, Design Patterns) while maintaining the velocity needed for a competitive US market. Frontend Leadership: Drive the development of responsive, high-performance web applications using React. Global Collaboration: Partner closely with US-based Product Managers and Stakeholders to translate vision into scalable technical reality. Mentorship: Lead by example through Code Reviews and knowledge sharing, helping elevate the Warsaw engineering hub. Requirements Backend Expertise: 5+ years of experience in .NET (.NET 6/8+) and C#. Expertise in building RESTful APIs and event-driven architectures. Frontend Mastery: Solid experience with React and TypeScript . Familiarity with state management (Redux, Zustand, or React Query). Cloud-Native Mindset: Practical experience with Azure (App Services, Functions, Service Bus, Cosmos DB/SQL). Database Knowledge: Strong skills in SQL Server and Entity Framework Core. Modern DevOps: Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps/GitHub Actions). Language: Good English Nice to Have Experience in high-growth FinTech, WealthTech, or high-frequency trading environments. Knowledge of testing frameworks (xUnit, Jest/Cypress). Familiarity with Web Performance optimization and Accessibility (WCAG). What We Offer US Tech Culture: A transparent, high-growth environment that values "radical candor," innovation, and taking initiative. Professional Growth: Access to the latest tech—we operate on the "bleeding edge" of .NET and React. Modern Warsaw Office: A vibrant, well-located hub for collaboration, combined with a flexible hybrid/remote policy. Competitive Compensation: 18.000 - 25000 PLN B2B Global Scale: Your code will power mission-critical systems used by financial professionals and institutions across the US and globally.

🏢 Summary: Mid/Senior Fullstack Engineer role focused on developing and enhancing a network source of truth and network automation platform. The position involves backend and frontend development, architectural contributions, testing, and collaboration within an Agile team. The project uses a modern Python and JavaScript-based tech stack in a fully remote setup. 🗂️ Requirements: 5+ years of experience in software development, Strong backend programming expertise, Advanced Python programming skills, Advanced experience with Django framework (ORM, Jinja2, Django Rest Framework, forms, django-filter), Experience developing UI with JavaScript and HTML/CSS, Hands-on experience with Linux-based environments, Experience in network-related projects, Good English (B2 level or above) 📃 Skills: Python, Django, ORM, Jinja2, DjangoRestFramework, django-filter, JavaScript, HTML, CSS, Linux, Docker, Git, TypeScript, React, CI/CD 🏢 Description: Get to know us better CodiLime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe). While no longer a startup - we have 250+ people on board and have been operating since 2011 we’ve kept our people-oriented culture. Our values are simple: Act to deliver. Disrupt to grow. Team up to win. The project and the team We are looking for a Mid/Senior Fullstack Engineer to support the development of a platform for a network source of truth and network automation. What else you should know: The team consists of less than 15 people, including an architect, a project manager, backend developers, frontend developers, and DevOps engineers. We use Agile methodology. Our tech stack for the project includes: Python, Django, Docker, Git, JavaScript, TypeScript, React, HTML/CSS The client is based in the US. We work on multiple interesting projects at the same time, so it may happen that we’ll invite you to the interview for another project if we see that your competencies and profile are well-suited for it. Your role As a part of the project team, you will be responsible for: Actively contribute to the architecture of the growing ecosystem of a platform Implementing new features and extending/improving existing ones Implementing tests Fixing discovered bugs efficiently and effectively Creating documentation Working in the agile methodology and collaborating with a team Supporting teammates Attending daily standups with the Customer Do we have a match? As a Mid/Senior Fullstack Engineer, you must meet the following criteria: 5+ years of experience Strong expertise in backend programming, knowledge of design patterns, and clean code guidelines Advanced programming skills in Python Advanced knowledge and practical experience with Django framework (incl. ORM, Jinja2, Django Rest Framework, forms, django-filter) Experience in developing UI using JavaScript, HTML/CSS, etc. Hands-on experience with Linux-based environments Experience with network-related projects Good knowledge of English (B2 level or above) Beyond the criteria above, we would appreciate the nice-to-haves: Experience with Typescript and React Experience with CI/CD approach More reasons to join us Flexible working hours and approach to work: fully remotely, in the office or hybrid Professional growth supported by internal training sessions and a training budget Solid onboarding with a hands-on approach to give you an easy start A great atmosphere among professionals who are passionate about their work The ability to change the project you work on Department Delivery Locations Poland Remote status Fully Remote Level Senior, Mid

🏢 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 enterprise-scale application security and cloud-native architecture, leveraging AI to scan and remediate vulnerabilities across 50,000+ GitHub repositories. The position involves designing scalable cloud platforms, automating CI/CD processes, and leading large-scale repository migrations. Offers exposure to distributed systems, serverless solutions, and advanced AI tools in a hybrid work model. 🗂️ Requirements: 3+ years of full-stack development experience, Strong expertise in TypeScript or Java or Python, Proficiency with SVN, Proficiency with Jenkins and Jenkins infrastructure, Experience with GitHub and GitHub Actions/Workflows, Experience with CI/CD best practices, Experience with AI tools (Claude, Copilot), Hands-on experience with AWS services, Experience with CloudFormation, Experience with Docker, Experience with cloud-based databases, Experience with cloud-native application development, Experience with automated testing, Strong troubleshooting skills in cloud infrastructure and networking, Knowledge of security best practices, B2 level English 📃 Skills: TypeScript, Java, Python, SVN, Jenkins, GitHub, GitHubActions, CI/CD, Claude, Copilot, AWS, CloudFormation, Docker, Databases, Networking, Security, Testing 🏢 Description: We are looking for a skilled Senior Full-Stack Engineer with expertise in AI to join our team. Join a high-impact initiative focused on enterprise-scale application security and cloud-native architecture. The project involves scanning, remediating, and deploying fixes for security vulnerabilities across a vast estate of 50,000+ GitHub repositories. This role offers exposure to large-scale distributed systems, serverless cloud solutions, and the opportunity to leverage AI technologies at the enterprise level. Please note, the position requires hybrid (3 days office ) work in Gdansk or Krakow. Responsibilities Lead the design, implementation, and deployment of scalable, reliable cloud platforms aligned with business and enterprise needs, driving continuous technical and operational improvements Maintain and enhance automation processes and scripts to support scalable, repeatable workflows Develop automation for migrating repositories from SVN/Jenkins to GitHub, ensuring proper setup and supporting build/deployment troubleshooting Optimize build and deployment speed, improve developer experience with CI/CD, and enhance end-to-end integrations Provide hands-on support to development teams in resolving build and deployment failures Establish and maintain technical standards, best practices, and documentation for efficient, well-governed development and operational workflows Collaborate with business stakeholders to translate requirements into technical designs and recommend appropriate tools and solutions Drive cross-team collaboration on complex initiatives, proactively identifying risks, dependencies, and mitigation strategies Serve as a technical point of accountability, balancing hands-on contribution with leadership responsibilities to ensure successful delivery Requirements 3+ years of professional experience in full-stack development Strong expertise in at least one programming language, preferably TypeScript Java or Python experience Proficiency with SVN/Jenkins, Jenkins infrastructure, Jenkins runners, GitHub, GitHub Actions/Workflows, and CI/CD best practices Experience using AI tools such as Claude Skills and Copilot Hands-on experience with AWS services (including CloudFormation and Docker), cloud-based databases, cloud platform engineering, cloud-native application development, and automated testing Strong troubleshooting skills in cloud infrastructure, networking, security best practices, and performance optimization Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Excellent verbal and written communication skills; B2 level of English We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Full-Stack Engineer role focused on enterprise-scale application security, cloud-native architecture, and AI-driven automation across 50,000+ GitHub repositories. The position involves designing scalable cloud platforms, automating repository migrations, optimizing CI/CD pipelines, and resolving complex build and deployment issues. It offers hands-on technical leadership in distributed systems and serverless environments within a hybrid work model. 🗂️ Requirements: 3+ years of professional experience in full-stack development, Strong expertise in at least one programming language (TypeScript, Java or Python), Proficiency with SVN, Jenkins, Jenkins infrastructure and runners, Experience with GitHub and GitHub Actions/Workflows, Strong knowledge of CI/CD best practices, Experience with AI tools such as Claude Skills and Copilot, Hands-on experience with AWS services including CloudFormation and Docker, Experience with cloud-based databases and cloud-native application development, Experience with automated testing, Strong troubleshooting skills in cloud infrastructure, networking and security, B2 level of English 📃 Skills: TypeScript, Java, Python, SVN, Jenkins, GitHub, GitHubActions, CI/CD, Claude, Copilot, AWS, CloudFormation, Docker, Databases, Automation, Networking, Security, Testing 🏢 Description: We are looking for a skilled Senior Full-Stack Engineer with expertise in AI to join our team. Join a high-impact initiative focused on enterprise-scale application security and cloud-native architecture. The project involves scanning, remediating, and deploying fixes for security vulnerabilities across a vast estate of 50,000+ GitHub repositories. This role offers exposure to large-scale distributed systems, serverless cloud solutions, and the opportunity to leverage AI technologies at the enterprise level. Please note, the position requires hybrid (3 days office ) work in Gdansk or Krakow. Responsibilities Lead the design, implementation, and deployment of scalable, reliable cloud platforms aligned with business and enterprise needs, driving continuous technical and operational improvements Maintain and enhance automation processes and scripts to support scalable, repeatable workflows Develop automation for migrating repositories from SVN/Jenkins to GitHub, ensuring proper setup and supporting build/deployment troubleshooting Optimize build and deployment speed, improve developer experience with CI/CD, and enhance end-to-end integrations Provide hands-on support to development teams in resolving build and deployment failures Establish and maintain technical standards, best practices, and documentation for efficient, well-governed development and operational workflows Collaborate with business stakeholders to translate requirements into technical designs and recommend appropriate tools and solutions Drive cross-team collaboration on complex initiatives, proactively identifying risks, dependencies, and mitigation strategies Serve as a technical point of accountability, balancing hands-on contribution with leadership responsibilities to ensure successful delivery Requirements 3+ years of professional experience in full-stack development Strong expertise in at least one programming language, preferably TypeScript Java or Python experience Proficiency with SVN/Jenkins, Jenkins infrastructure, Jenkins runners, GitHub, GitHub Actions/Workflows, and CI/CD best practices Experience using AI tools such as Claude Skills and Copilot Hands-on experience with AWS services (including CloudFormation and Docker), cloud-based databases, cloud platform engineering, cloud-native application development, and automated testing Strong troubleshooting skills in cloud infrastructure, networking, security best practices, and performance optimization Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Excellent verbal and written communication skills; B2 level of English We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: The role involves developing and maintaining high-traffic, public-facing web applications as a Middle FullStack Engineer, with a strong focus on integrating AI tools into the software development lifecycle. You will build scalable backend and frontend solutions, apply modern architectural practices, and ensure production readiness through testing and CI/CD. The position emphasizes AI-driven development, cloud infrastructure, and performance-optimized user interfaces. 🗂️ Requirements: 3+ years of experience developing scalable and highly available software systems, Strong knowledge of software architecture and design patterns, Experience with AI tooling (e.g., ChatGPT, Codex) in development workflows, Experience with AI frameworks such as Vercel AI SDK or LangChain, Proficiency in backend development with Typescript, Node.js, or C#, Proficiency in frontend development with HTML, CSS, JavaScript, Experience with component-based frameworks and SSR (Next.js, React, Vue.js), Experience with SQL and NoSQL databases, Experience with cloud infrastructure and containerization tools, Experience with CI/CD pipelines and version control systems, Experience with APIs and service-based architectures, Experience with unit testing (frontend and backend), Upper-intermediate English level 📃 Skills: Typescript, Node.js, C#, HTML, CSS, JavaScript, React, Next.js, Vue.js, GraphQL, Redis, SQL, NoSQL, AWS, Terraform, Docker, Git, CI/CD, Datadog, Newrelic, LangChain, Vercel, ChatGPT, Codex 🏢 Description: (#4650) We are looking for a Middle FullStack Engineer to join our team. About the client: Our customer is the European online car market, with over 30 million monthly users and a presence in 18 countries. As a Middle FullStack Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers. Responsibilities: Developing fast, high-traffic public-facing websites Explore new technologies and help the team to use them Work using AI tools and apply them to the SDLC Following software development best practices while delivering the work Following testing principles while testing your own code to ensure production readiness Requirements: 3+ years developing reliable, highly available, and scalable software systems Strong understanding of software architecture and design patterns Firm grasp of clean code principles and coding standards Strong proficiency using AI tooling, such as ChatGPT/Codex, for rapid development Experience integrating AI tooling into your development environment for streamlined usage Experience with AI Frameworks like Vercel AI SDK, LangChain, etc. Strong proficiency with backend development (Typescript, Node.js, C#) Strong proficiency with SQL & NoSQL datastores (GraphQL, Redis) Strong proficiency with frontend development (HTML, CSS, JavaScript) Strong proficiency with component-based frameworks and SSR (Next.js/React, Vue.js) Hands-on experience developing and maintaining 3rd party content management systems Knowledge of modern cloud infrastructures and tools, such as AWS, Terraform, and Docker Experience with APIs and developing in a service-based application environment Experience building optimized UIs for performance Proficiency with version control systems such as Git Experience working within a formal CI/CD pipeline Experience with logging, monitoring, and alerting services like Datadog, Newrelic Solid approach to testing and ensuring quality of code, Unit testing, backend, and frontend At least Upper-intermediate English level Working for the North America timezone (ET) is preferable (till 21:00 Kyiv time) 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: A fully remote Full Stack Engineer role in a late-stage product company building a new engineering team in Poland. The position focuses on developing scalable, production-grade applications using TypeScript, React, and Node.js across the stack. Engineers collaborate cross-functionally to deliver end-to-end features with strong emphasis on quality, performance, and reliability. 🗂️ Requirements: Strong proficiency in TypeScript, Experience with React, Experience with Node.js or server-side TypeScript, Understanding of testing practices, Experience with CI/CD, Experience with version control, Ability to work in a collaborative, fast-paced environment 📃 Skills: TypeScript, React, Node.js, CI/CD, Git, APIs, Microservices, AWS, GCP, Azure, Testing 🏢 Description: A late-stage (Series D), well-funded product company is building a brand-new, fully-remote engineering team in Poland. We're looking for talented Full Stack Engineers who can build high-quality, scalable applications using TypeScript , React , and modern backend frameworks. You'll work closely with product, design, and other engineers to deliver features end-to-end. While financial markets experience is a plus, it is not required - strong engineering fundamentals matter more. We are open to candidates who specialize in only front-end or only back-end development, as well as true full-stack engineers. What You'll Do Design, build, and maintain production-grade applications using TypeScript across the stack. Develop intuitive, performant user interfaces using React and modern front-end tooling. Build and maintain backend services, APIs, and integrations (Node.js / TypeScript). Collaborate with product managers and designers to translate requirements into technical solutions. Write clean, testable, maintainable code with strong attention to performance and reliability. Participate in code reviews, architecture discussions, and continuous improvement initiatives. Troubleshoot issues across the stack and contribute to a culture of engineering excellence. Required Skills Strong proficiency in TypeScript . Experience with React for front-end development. Experience with Node.js , server-side TypeScript, or similar backend frameworks. Solid understanding of modern software engineering practices: testing, CI/CD, version control, code reviews. Ability to work in a fast-paced, collaborative environment. Nice to Have Experience working in financial markets , fintech, or trading systems. Familiarity with cloud platforms (AWS, GCP, Azure). Experience with microservices, event-driven architectures, or distributed systems. Exposure to data visualization libraries or real-time data applications. Experience with performance optimization on either the front-end or back-end.

🏢 Summary: Senior Full-Stack Engineer role with a 50/50 backend and frontend focus, building scalable microservices-based applications using ASP.NET (C#) and React with TypeScript in a cloud-native environment. The position involves designing and maintaining REST APIs, developing responsive user interfaces, ensuring high test coverage, and contributing to architectural decisions with strong technical ownership. Poland-based employment (Umowa o Pracę) with remote flexibility and quarterly in-person collaboration. 🗂️ Requirements: MSc+ in Computer Science or equivalent, Minimum 5 years experience with ASP.NET and C#, Minimum 5 years experience building REST APIs, Minimum 5 years experience with React, Experience with TypeScript, Strong knowledge of microservices architecture, Knowledge of cloud design patterns, Experience with unit, integration, and end-to-end testing, High level of technical ownership, Fluent English (minimum B2), Poland residency 📃 Skills: ASP.NET, C#, REST, React, TypeScript, Microservices, AWS, Agile, DDD, UnitTesting, IntegrationTesting, E2ETesting, Cloud 🏢 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 50/50 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) German, Polish, Ukrainian: 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: Mid-level Fullstack Engineer role focused on building and enhancing customer-facing mobile and web applications within a cloud-native, data-intensive environment. The assignment involves developing backend services and event-driven microservices, integrating with AWS and messaging systems, and ensuring system reliability and observability. The position supports high-transaction, business-critical workflows in a cross-functional product team. 🗂️ Requirements: 4–6 years of software development experience, Strong experience with TypeScript, Strong experience with Node.js, Strong experience with React Native, Experience with event-driven architectures, Experience with distributed systems, Experience with PostgreSQL and/or DynamoDB, Experience with Kafka and SQS, Experience with AWS including S3, Experience with monitoring and observability tools, Experience developing mobile and web applications, Experience with data-intensive applications and complex workflows 📃 Skills: TypeScript, Node.js, React, ReactNative, Kafka, SQS, AWS, S3, PostgreSQL, DynamoDB, Datadog, Microservices 🏢 Description: emagine is looking for a Mid level Fullstack Engineer to join a product development team building and enhancing customer-facing digital services. The assignment involves developing mobile and web applications, contributing to backend services, and working with modern cloud-native technologies in a scalable and data-intensive environment. You will collaborate closely with Product Managers, Designers, and Engineers to deliver high-quality solutions that support business-critical workflows and customer experiences. Start: ASAP (within a few week) Duration: 1 year to start with Location: Stockholm, min 2-3 days/week at the office Wha you will do Develop and maintain applications using React Native, TypeScript, and Node.js. Contribute to the development of event-driven micro services and backend services. Build and maintain integrations using Kafka, SQS, and AWS services. Develop solutions that handle high transaction volumes and complex data flows. Support system reliability, monitoring, and observability initiatives. Work closely with cross-functional teams throughout the product development lifecycle. Participate in experimentation, feature flagging, and A/B testing activities. Profile: 4–6 years of experience in software development. Strong experience with TypeScript, Node.js, and React Native. Experience working with event-driven architectures and distributed systems. Experience with PostgreSQL and/or DynamoDB. Familiarity with Kafka and SQS. Experience with AWS, including S3. Experience using Datadog or similar monitoring and observability tools. Experience developing mobile and web applications. Experience working with data-intensive applications and complex workflows. Experience from fintech or another regulated industry is highly desirable. Familiarity with modern software delivery practices, including feature flags and A/B testing.

🏢 Summary: Full Stack Engineer role focused on developing and evolving a rewards platform that supports local shopping, covering mobile, web, backend, and CMS layers. The position involves end-to-end feature delivery, backend performance and scalability optimization, and maintaining high code quality and automated testing. The engineer will work with modern technologies in a collaborative environment to build secure and scalable systems. 🗂️ Requirements: Degree in Computer Science or related field, 3+ years full stack development experience, Strong Java skills, Strong Spring Boot skills, Experience with Hibernate, Experience with JPA, Strong JavaScript skills, Strong TypeScript skills, Experience with React Native, Experience with PostgreSQL, Strong SQL knowledge, Experience with REST APIs, Experience with microservice architectures, Understanding of basic DevOps principles, Ability to write clean and secure code, English proficiency 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JavaScript, TypeScript, ReactNative, Expo, PostgreSQL, SQL, REST, Microservices, RabbitMQ, Docker, Kubernetes, GitLab, CI/CD, Elasticsearch 🏢 Description: We are searching for Full Stack Engineer to join us. About the Project As part of our platform, we are developing a rewards system that encourages local shopping. Users will be able to collect points when visiting selected partner businesses and redeem them for discounts or benefits. This solution helps build lasting relationships between customers and local companies while also supporting the growth of the regional economy. If modern technologies unleash your creativity and you thrive in an environment of learning and collaboration, this is the project for you. Mission Develop, maintain, and evolve the platform across all layers:mobile apps (React Native/Expo), web frontend (TypeScript), backend services (Java/Spring Boot), and partner portals (CMS) Design, implement, and test new features end to end Ensure performance, scalability, and security of backend systems and database queries Extend and improve automated test processes Continuously optimize code quality, development processes, and system performance Maintain and extend technical documentation Collaborate closely with teammates and contribute to shared technical knowledge Requirements Degree or comparable qualification in Computer Science, Software Engineering, or related field 3 + years of professional full stack development experience (back-end emphasis) Strong skills in: Java, Spring Boot, Hibernate, JPA JavaScript/ TypeScript React Native (Expo is a plus) PostgreSQL and SQL REST APIs and microservice architectures Familiarity with: RabbitMQ – integrated with BE system Docker, Kubernetes, GitLab CI/CD – not mandatory Basic DevOps principles Clean, secure, and maintainable code Excellent English communication skills Team player with analytical thinking and proactive mindset Nice to Have Experience with Elasticsearch (especially data aggregation) Understanding of security principles for Docker and Kubernetes Benefits • Benefit Café with categories such as sports, leisure, books, etc. • Supportive and inclusive work environment with personalized attention to each team member. • Engaging projects featuring innovative and cutting-edge products. • Competitive salary with periodic reviews. • Flexible working hours ensuring a healthy work-life balance. • Educational support, including funded language classes. • Luxmed private healthcare packages. • Comfortable workspace, fresh fruit Mondays, and remote work opportunities. • Exciting team events and networking opportunities. *Following the applicable legal regulations, particularly Directive (EU) 2019/1937 of the European Parliament and of the Council on the protection of persons reporting breaches of Union law and its implementation into Polish law under the Act of December 4, 2021, on the Protection of Persons Reporting Breaches of Law (Journal of Laws 2021, item 2105), including Articles 4-6 governing whistleblower protection and reporting procedures, the company has implemented a Whistleblower Support Policy, ensuring anonymity, protection, and support for individuals reporting irregularities.