Fullstack Software Engineer

🏢 Summary: Senior Fullstack Software Engineer role focused on building and deploying cloud-based systems using modern software craftsmanship practices and AI-assisted development tools. The position involves end-to-end software delivery, clean architecture, code reviews, testing, and improving delivery processes in a remote-first senior engineering team. 🗂️ Requirements: 5+ years of professional experience with Java or Kotlin, 3+ years of professional experience with JavaScript or TypeScript, Hands-on experience with SQL and NoSQL, Experience with AWS, GCP, or Azure, Experience with AI-assisted software development, Strong teamwork and collaboration skills 📃 Skills: Java, Kotlin, JavaScript, TypeScript, SQL, NoSQL, AWS, GCP, Azure, Microservices, TDD, BDD, DDD, Claude 🏢 Description: We are looking for a Senior Fullstack Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: 5+ years of professional experience with Java or/and Kotlin 3+ years of professional experience with JavaScript or/and TypeScript Hands-on experience with SQL and NoSQL Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience Nice to have: Microservices experience Understanding of distributed systems and event-driven architectures TDD, BDD practitioner Domain-Driven Design knowledge As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1h) Architecture task (1h) At least one of the stages must be completed on-site in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Software Engineer role focused on designing, building, testing, and deploying cloud-based distributed systems using modern software craftsmanship practices. The position involves end-to-end ownership of microservices-based solutions in a remote-first environment, leveraging cloud platforms and AI-assisted development tools. The offer emphasizes high-quality delivery, clean architecture, and close collaboration with stakeholders. 🗂️ Requirements: 7+ years of commercial experience with Java or Kotlin, Hands-on experience with SQL and NoSQL databases, Understanding of distributed systems, Experience with event-driven architectures, Experience with microservices architecture, Experience with cloud platforms (AWS, GCP or Azure), Experience with automated testing including acceptance and performance tests, Ability to design and deploy cloud-based systems 📃 Skills: Java, Kotlin, SQL, NoSQL, Microservices, AWS, GCP, Azure, TDD, BDD, DDD, AI, Claude, Codex 🏢 Description: We are looking for a Senior Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company formed by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: 7+ years of professional experience with Java or/and Kotlin Hands-on experience with SQL and NoSQL Understanding of distributed systems and event-driven architectures Microservices experience Experience with cloud platforms (AWS / GCP / Azure) Automated testing (including acceptance tests, performance tests) Nice to have: TDD, BDD practitioner Domain Driven Design knowledge AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy a cloud-based systems Develop software from start to finish - you ship it, you run it! Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve software delivery process using latest tools such as Claude Code or Codex How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with the ability to learn and exchange knowledge Remote first work environment B2B rate 170-200 PLN / hour dependent on your level of expertise Open bounded B2B contract Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1h) Architecture task (1h) At least one of the stages must be completed on-site in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Fullstack Engineer role focused on delivering full-stack solutions within an AI-integrated SDLC where AI is embedded across planning, development, review, testing, and deployment. The position combines backend and frontend engineering with AI orchestration, automation, and cloud-native architecture in a remote-first setup. The engineer will also evolve shared AI toolchains and contribute to architectural and code quality standards. 🗂️ Requirements: Team-level AI-integrated SDLC experience across planning, development, review, testing, deployment, Shared AI toolchain management under version control, Hands-on use of Claude Code, GitHub Copilot, Cursor or equivalent as team tools, Building and maintaining custom AI skills and sub-agents for team use, Experience with parallel AI agent orchestration, Spec-driven development using OpenAPI, ADRs, PRDs as AI context, AI-assisted code review integrated into PR process, Working knowledge of AI orchestration frameworks, Backend development with .NET / C# and ASP.NET Core, Frontend development with TypeScript and React or Angular, Experience with SQL databases and ORM frameworks, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience with cloud platforms (Azure, AWS, or GCP) 📃 Skills: C#, .NET, ASP.NET, SQL, SQLServer, PostgreSQL, EFCore, OAuth, JWT, Python, Java, Node.js, TypeScript, JavaScript, React, Angular, LangChain, LlamaIndex, CrewAI, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, OpenAPI, CQRS, DDD, EventSourcing, Microservices 🏢 Description: We are looking for a Senior Fullstack Engineer who combines deep technical expertise with real, team-level experience working in an AI-integrated software development lifecycle. Individual use of AI coding assistants is not sufficient for this role. We are specifically looking for engineers who have worked in teams where AI was embedded into every phase of delivery — from planning and design through development, review, testing, and deployment. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. AI-First Requirements Experience working in an AI-enabled engineering team is mandatory — not a personal workflow preference. You have been part of a team where AI was systematically embedded across all delivery phases: planning, development, review, testing, and deployment. You can speak from direct experience about how it worked, what failed, and what you would change. Specific mandatory requirements: Team-level AI-integrated SDLC experience — shared toolchain, shared configurations, shared assets under version control Hands-on with Claude Code, GitHub Copilot, Cursor, or equivalent as a team tool, not only personal usage Built and maintained custom skills and sub-agents used across a team, not just personally Experience with parallel agent orchestration for concurrent workstream execution Disciplined plan → review plan → execute approach with AI involved at every phase Maintained shared prompt libraries, skill repositories, or agent configurations in version control AI-assisted code review integrated into the PR process: CodeRabbit, Copilot review, or similar Experience with spec-driven or document-driven development where structured specifications (OpenAPI, ADRs, PRDs) serve as AI context inputs, not just human references Working knowledge of at least one AI orchestration framework: LangChain, LlamaIndex, Microsoft Agent Framework, CrewAI, or equivalent Automation-first mindset: proactively identify repetitive or inefficient parts of current work and automate them using AI and other available tools. Cost-aware AI usage: understanding how AI credits are consumed across different tools, models, and workflows, and ability to choose the most appropriate model or approach for each task. Technical Requirements Backend: .NET / C#, ASP.NET Core, SQL Server / PostgreSQL, EF Core, OAuth 2.0 / JWT. Python, Java, or Node.js is a strong plus. Frontend: TypeScript, JavaScript, React(preferable) and/or Angular, state management, async patterns, frontend testing. Architecture: Full spectrum from monolith to microservices — DDD, CQRS, Event Sourcing, event-driven design, message brokers. Infrastructure: Docker, Kubernetes, CI/CD (GitHub Actions / Azure DevOps), Azure / AWS / GCP, structured observability. Responsibilities Deliver full-stack features to a high standard of quality, performance, and reliability Contribute to architectural decisions and system design trade-offs Evolve and maintain the team's shared AI toolchain across all SDLC phases Conduct code reviews including AI-assisted tooling; uphold and enforce engineering best practices Proactively surface risks, bottlenecks, and security concerns Communicate and collaborate directly with clients in English Mentor engineers on both technical fundamentals and AI-augmented workflow practices Professional Qualities Ownership mindset · Strong written and verbal English · Comfortable in client-facing roles · Raises the AI workflow maturity of those around them

🏢 Summary: Senior Frontend Software Engineer role focused on building and delivering cloud-based software using modern JavaScript technologies, React, and Software Craftsmanship practices in a remote-first environment. The position involves end-to-end software development, collaboration with international teams, and working with distributed systems and cloud platforms. Candidates will contribute to scalable solutions while leveraging AI-assisted development tools and clean architecture principles. 🗂️ Requirements: 5+ years of professional experience with JavaScript, Experience with Modern JavaScript, Experience with TypeScript, Experience with React, Experience with RxJS, Experience with Node, Experience with Mocha, Experience with Express, Experience with Enzyme, Understanding of distributed systems, Understanding of microservices, Understanding of event-driven architectures, Experience with cloud platforms, AI-assisted software development experience, Ability to design, test, deploy, and maintain cloud-based systems 📃 Skills: JavaScript, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme, AWS, GCP, Azure, Microservices, Cloud, Claude 🏢 Description: We are looking for a Senior Frontend Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: Modern JS, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme 5+ years of professional experience with JavaScript Understanding of distributed systems, microservices, and event-driven architectures Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Collaborate with other international teams on paving the way for a successful delivery Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment (or you can work from our office in Wroclaw if you fancy :-) B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1.15h) The last stage is F2F and requires on-site presence in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Fullstack Software Engineer role focused on building and scaling end-to-end web services and modern user interfaces in an agile, AI-first environment. The position combines backend development in Python with frontend development in React, emphasizing UX quality, scalable architectures, and cloud-based deployments. The engineer contributes to architecture decisions and delivers high-performance solutions for global-scale e-commerce systems. 🗂️ Requirements: 3+ years of experience with Python, Commercial experience with React, Proficiency in TypeScript, Experience with Redux or similar state management, Knowledge of TDD and clean code principles, Experience designing scalable web architectures, Basic knowledge of AWS (EC2, RDS, S3), Basic DevOps skills (*nix, Docker, Kubernetes, Apache/nginx), Experience with SOA and message queues (e.g., RabbitMQ), Experience working with AI coding tools (e.g., Cursor, Claude Code), Good written and spoken English 📃 Skills: Python, React, TypeScript, Redux, AWS, EC2, RDS, S3, Docker, Kubernetes, Apache, Nginx, RabbitMQ, SOA, TDD, Unix, AI, Cursor, Claude, JavaScript 🏢 Description: Who are we looking for? As a Fullstack Software Engineer, you will be a key part of an agile team responsible for developing end-to-end services and interfaces. We need a "proactive doer" who doesn't just build features but takes full ownership of the User Experience (UX) and business outcomes. You naturally use AI-based tools to accelerate delivery without compromising on quality or aesthetics. You will bring on board: Goal-oriented mindset: Strong focus on customer needs and hitting business objectives. UX Sensitivity: An eye for detail and a drive to build intuitive, high-quality interfaces. Fullstack Proficiency: 3+ years of experience in Python and solid commercial experience with React. Modern FE Stack: Proficiency in TypeScript and state management ( Redux ). AI-Native Workflow: Habitual use of Cursor, Claude Code, or similar agents to boost productivity. Proactive "Can-do" attitude: Ability to work effectively with product owners to turn vision into working software. Technical Excellence: Knowledge of TDD, clean code, and scalable web architectures. Cloud Awareness: Basic knowledge of AWS (EC2, S3) and DevOps (Docker). At least basic knowledge of Amazon Web Services (EC2, RDS, S3) At least basic DevOps skills (*nix, Apache/nginx, Docker, Kubernetes) Experience in SOA, message queues (like RabbitMQ) Good written and spoken English, comfortable with working in an international environment Nice to have Having contributed to Open Source (send us your GitHub id!) Good knowledge of JavaScript build tools (eg. Webpack) and the yarn ecosystem Knowledge of redux-saga, redux-forms, style-loader and css-loader, reselect... Experience with ESLint for linting Advanced DevOps skills (*nix, Apache/nginx, Docker, Kubernetes) Advanced knowledge of Amazon Web Services (EC2, RDS, S3, ELB, EBS, EKS) Experience developing and maintaining complex web architectures Experience in event-driven architecture and distributed systems Experience with NoSQL databases (Mongo, ElasticSearch) Experience in EventStorming Knowledge of GraphQL Knowledge of CQRS/DDD Expertise in cybersecurity topics What do we do? End-to-End Delivery: We build both robust backend APIs and modern, responsive frontends to support the flow of millions of products. UX Optimization: We treat the interface as a critical part of the product, ensuring high quality and friction-less user journeys. AI-First Engineering: We embrace the power of AI to make ourselves more efficient and focus on solving higher-level problems. Scalability & Performance: We monitor and improve our services to handle global e-commerce traffic. Impactful Design: We help with architecture-level decisions, ensuring every project delivers maximum value. How do we work? We have passion for evolving technology and its applications. We believe in teamwork, empowerment and self-organisation We follow Agile principles We are highly autonomous - we choose our own goals and projects which contribute to a company strategy as well as tools that make our work efficient We are closely cooperating with the business stakeholders, data engineers, data science, and other product developers We have a mature product pipeline with predefined initial specs, designs, and architectures for all features.

🏢 Summary: B2B contract role for a Full-Stack Software Engineer to develop and maintain backend services in C#/.NET and frontend components in React within a dynamic, international project environment. The position involves building scalable solutions, integrating REST APIs, and supporting implementations with effective problem-solving. Remote work with long-term project engagement. 🗂️ Requirements: Proficiency in C# and .NET for scalable services development, Experience with React.js and React Query, Experience with Azure SQL and MS SQL, Experience building RESTful APIs with ASP.NET Core (OpenAPI), Knowledge of CI/CD processes and Agile methodologies, Experience with Azure DevOps or GitHub, English at minimum B2 level 📃 Skills: C#, .NET, React, ReactQuery, AzureSQL, MSSQL, REST, ASP.NET, OpenAPI, CI/CD, AzureDevOps, GitHub, Azure 🏢 Description: We are currently looking for a Full-Stack Software Engineer for our client, a world-leading provider of digital solutions and applications, with a particular focus on the energy, maritime, and healthcare markets. If working in a dynamic environment is something you’re comfortable with and you use the tech stack listed below on a daily basis, this opportunity is for you! Key responsibilities Developing advanced backend solutions in C# Creating and maintaining frontend components Preparing technical documentation Supporting implementations through quick and effective problem-solving Balancing changing priorities with ongoing development work Ideal candidate profile Proficient in .NET for building scalable services React.js, React Query Azure SQL, MS SQL RESTful APIs with ASP.NET Core (OpenAPI Standard) Knowledge of Agile methodologies and CI/CD processes (Azure DevOps, GitHub) English on B2 level nice to have: Experience with Azure (App Services, Azure Functions, Key Vault, Storage Accounts, Entra ID) Experience using AI-based development tools (Microsoft Copilot, GitHub Copilot) Conditions Employment Type: B2B contract Salary: Depends on your experience Work Model : Remote work model (possible 2–4 business trips per year to the office in Poland or Norway) Benefits : private medical care, sport card, life insurance Project duration: Project start March/April, with a duration of at least until the end of the year Recruitment steps Phone call with Recruiter Client interview Feedback and decision

🏢 Summary: Senior Full Stack Software Engineer role focused on building and maintaining large-scale, cloud-based data processing and web applications in AWS, with emphasis on serverless architectures. The position involves designing scalable microservices, developing modern frontend applications, and enhancing cloud infrastructure in a distributed international team. 100% remote work with strong focus on scientific and data-intensive systems. 🗂️ Requirements: Minimum 5 years enterprise software development experience, Expert knowledge of Java with Spring and Hibernate/JPA or other JVM languages, Strong expertise in JavaScript and TypeScript with Angular 5+ or React, Understanding of microservices architecture and design patterns, Experience building REST APIs, Experience with SQL, NoSQL and graph databases, Strong knowledge of AWS cloud services, Experience with Docker and containerization, Ability to deploy code to production environments, Experience with Git and GitOps workflows, Experience working with Scrum methodology 📃 Skills: Java, Spring, Hibernate, JPA, JVM, JavaScript, TypeScript, Angular, React, HTML5, AWS, S3, IAM, EC2, ECR, ECS, Lambda, Serverless, Docker, SQL, NoSQL, GraphQL, REST, Git, GitOps, Scrum 🏢 Description: Full Stack Software Engineer Our team, specializing in Data Engineering and Bioinformatics systems development, is actively seeking experienced and motivated senior Fullstack software engineer with hands-on AWS experience , as this position touches the development of data processing in the cloud (mainly AWS) on a very large scale. We invite individuals who are self-motivated and proactive to join us in the development of large-scale scalable computations utilizing AWS services particularly focusing on serverless paradigms. This role involves leveraging AWS services and enhancing our current infrastructure to streamline and future-proof existing solutions. 100% remote work Job Responsibilities Work together in a collaborative and practical manner to address scientific software engineering challenges. Design, build and maintain the web application providing visibility to our data management platform Collaboratively and pragmatically solve scientific software engineering challenges. Collaborate with local - Polish, the US and Canada engineering teams to support software development efforts. Contribute to the broader scientific community through open-source software development. Expectations Minimum 5 years of work experience related to software development in enterprise projects/products and expert knowledge regarding one of the following backend technologies: JAVA  (very good  knowledge of frameworks like Spring, Hibernate / JPA,   knowledge of other JVM based programming languages is a plus); Understanding of microservice architectures, principles and patterns Expert knowledge of Javascript and TypeScript programming (Angular 5+ or React, with good knowledge of HTML5. Experience building reusable web components. Knowledge of git and standard GitOps workflow (MRs, protected branch), conventional commits, semantic versioning, pre-commit hooks, Experience building APIs , good understanding of REST principles Knowledge of database techniques like SQL, NoSQL and graph databases Fluent in the usage of cloud computing models (IaaS, PaaS, SaaS) and good knowledge of containers connected with this DevOps mindset and excellent knowledge of cloud platforms like AWS. Ability to deploy yourself code to production Docker (must have) AWS cloud (including S3, IAM, EC2, ECR, ECS, AWS Lambda, Serverless) Experienced in product development with Scrum methodologies Experienced in designing software components based on limited and evolving requirements Attention to details, focus on user/developer experience Ability to coordinate work and direct collaboration with the customer Good communication skills, team player, work under tight deadlines. We Offer Ongoing support from a dedicated agent , ensuring project continuity, client contact, formalities, work comfort, and development Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT Access to 7N Learning & Development – webinars, articles, industry reports, and invitations to technical, business, and lifestyle events Spectacular integration events for you and your loved ones (Kick-Off trips, Christmas parties, family picnics, etc.) Professional development opportunities beyond the project, including knowledge-sharing initiatives Relationships and access to the most experienced IT experts – average tenure of consultants in Poland is over 10 years Complete benefits package , including medical care, life insurance, sports cards, and store discounts About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sound familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our goal is to provide you with stable and comfortable cooperation, contributing to your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience in creating IT solutions for over 200 organizations.

🏢 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: Remote-first AI-First Fullstack Engineer role focused on building and maintaining full-stack applications while deeply integrating AI tools into the development workflow. The position emphasizes advanced use of AI coding assistants, agent-based workflows, and structured AI planning alongside strong backend and frontend engineering skills. Engineers contribute to architecture, code quality, and continuous improvement of AI-augmented practices. 🗂️ Requirements: 3+ years commercial experience with .NET and C#, Experience building REST APIs, middleware, and authentication flows (OAuth 2.0, OpenID Connect, JWT), Hands-on experience with AI coding assistants (Claude Code, GitHub Copilot, Cursor or equivalent), Understanding of AI agents and sub-agents and their composition, Experience creating or using custom AI skill definitions, Familiarity with AI planning workflows for structured implementation plans, Ability to perform prompt engineering and critically evaluate AI outputs, Experience configuring project-level AI instructions (e.g., copilot-instructions.md, CLAUDE.md), Solid proficiency in JavaScript and TypeScript, Practical experience with React or Angular, Experience with SQL databases and ORMs, Knowledge of CI/CD pipelines, Experience with Docker, Fluent English communication for technical collaboration 📃 Skills: .NET, C#, REST, OAuth2, OpenID, JWT, SQL, ORM, NoSQL, JavaScript, TypeScript, React, Angular, Python, Java, Node.js, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, CI/CD, DDD, CQRS 🏢 Description: We are looking for an AI-First Fullstack Engineer who is actively building a real AI-augmented development practice — not just using autocomplete. You will work across varied client engagements, contribute to meaningful technical decisions, and be expected to grow quickly in an environment that takes AI tooling seriously. This is a role for engineers who are intentional about how they use AI and want to develop that skill alongside their core technical craft. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. Responsibilities Develop and maintain full-stack features with attention to quality, performance, and reliability Apply AI tools actively throughout your workflow: generation, refactoring, review, testing, and research Participate in architectural and design discussions — contribute ideas, ask good questions, and learn from senior engineers Write clean, reviewable code and actively engage in code reviews Communicate clearly with the team and client stakeholders in English Flag risks, blockers, and technical concerns early Continuously refine your AI workflow and share learnings with the team AI-First Requirements Must have: Hands-on experience with Claude Code, GitHub Copilot, Cursor, or equivalent AI coding assistants Understanding of agents and sub-agents: what they are, how they are composed, and when to use them Experience with custom skills: creating or using reusable AI skill definitions that extend tool capabilities beyond defaults Familiarity with AI planning workflows: using AI to generate structured implementation plans (e.g. task breakdowns, step-by-step plans stored as files or tickets) before generating code Prompt engineering sufficient to produce reliable, high-quality output; ability to critically evaluate and override AI suggestions when needed Experience building or configuring project-level AI instructions (e.g. copilot-instructions.md , CLAUDE.md , or similar) to shape agent behavior at the repo level Nice to have: Awareness of how AI tools fit into different SDLC phases: requirements analysis, design, implementation, code review, testing, and documentation — not just code generation Practical experience orchestrating multiple AI agents in parallel for concurrent task execution Familiarity with agentic loop patterns: tool use, reflection, iterative self-correction Technical Requirements 3+ years of commercial experience with .NET / C# — REST APIs, middleware, dependency injection, authentication flows: OAuth 2.0, OpenID Connect, JWT SQL databases and ORMs; NoSQL familiarity is a plus Additional experience in Python, Java, or Node.js is a plus Solid proficiency in JavaScript and TypeScript Practical experience with React (preferable) and/or Angular Familiarity with state management, async patterns, and frontend testing basics Comfortable working on both monolithic and service-oriented codebases Awareness of DDD, CQRS concepts (hands-on experience is a plus, not required) Basic familiarity with message-driven or event-driven patterns Docker fundamentals; basic Kubernetes awareness is a plus CI/CD: GitHub Actions, Azure DevOps, or similar Cloud exposure: Azure, AWS, or GCP Basic observability: structured logging, understanding of tracing concepts Salary ranges B2B 110 - 136 PLN/ hour EC 14500 - 17800 PLN/ month

🏢 Summary: Senior Fullstack Engineer role focused on building and maintaining production-grade, API-driven systems with AI-first development as a mandatory part of the workflow. The position involves designing scalable architectures, developing robust backend and frontend solutions, and critically evaluating AI-generated code. This is a hybrid, senior-level role requiring strong system design expertise and daily use of AI tools. 🗂️ Requirements: Senior-level experience in software engineering, Strong knowledge of JavaScript and TypeScript, Strong experience with Node.js and modern runtimes, Hands-on experience with React, Hands-on experience with Vue, Practical experience designing and integrating APIs, Strong understanding of software architecture and system design, Daily use of AI-assisted development tools, Ability to review and validate AI-generated code, On-site availability in Warsaw, Fluency in English 📃 Skills: JavaScript, TypeScript, Node.js, Bun, React, Vue, APIs, REST, Cursor, Copilot, ChatGPT 🏢 Description: Senior Fullstack Engineer (AI-First, Hybrid) Location: Warsaw, Poland 📍About the role: We are looking for a highly experienced Fullstack Engineer who builds real production systems and actively works with AI as a core part of their daily development workflow . This is not a remote role and not a junior or mid-level position. You will work on complex, API-driven systems where architecture, correctness, scalability, and long-term maintainability matter. Using AI for coding, design, refactoring, and problem-solving ( vibe coding ) is a hard requirement , not a nice-to-have. 📝What you will do: Design, develop, and evolve backend and frontend systems used in production Build, extend, and maintain robust APIs (both consuming external APIs and developing internal/public ones) Work daily with AI-assisted development tools as an integral part of your workflow Make architectural decisions with a focus on scalability, performance, and reliability Write clean, maintainable, well-structured code with long-term ownership in mind Collaborate closely with other engineers and product stakeholders in an on-site team Review, validate, and improve AI-generated code to ensure correctness, security, and performance 📝Must-have requirements: Strong, proven experience in software engineering (senior-level or higher) Excellent knowledge of: ○ JavaScript and TypeScript ○ Node.js and modern runtimes such as Bun Solid hands-on experience with both React and Vue Deep, practical experience working with APIs: ○ designing APIs ○ extending existing APIs ○ integrating third-party APIs Strong understanding of software architecture and system design High standards for code quality, readability, and maintainability Excellent command of AI-assisted development: ○ daily use of tools such as Cursor, Copilot, ChatGPT, or similar ○ ability to critically assess AI output instead of blindly accepting it ○ using AI for refactoring, debugging, testing, documentation, and exploration Comfortable working in an English-speaking environment 💎Nice to have Experience with DevOps , infrastructure, or production operations Experience working on high-traffic or business-critical systems Background in designing systems that evolve over time rather than one-off projects 📝Important notes AI-first development is a condition of employment We are looking for engineers who think in systems , not just frameworks We offer work on a modern application, A close-knit, experienced, and supportive team, private medical care and sports card If you prefer remote-only work or do not actively use AI in your daily coding, this role is not a good fit.