Backend Developer (.NET / C#)

🏢 Summary: Senior .NET Backend Developer role focused on building and maintaining complex, data-driven aftersales and spare parts systems in the automotive sector. The position involves designing scalable backend services, handling structured product and PDM data, and supporting automation and AI-assisted development practices. It requires strong expertise in .NET, complex data models, and test automation in an enterprise environment. 🗂️ Requirements: Strong experience with .NET backend development, Strong understanding of data structures and complex data relationships, Experience with test automation, Experience working with PDM (Product Data Management) data, Ability to work with complex business logic and aftersales data models, Strong problem-solving and analytical skills, Fluent English 📃 Skills: .NET, C#, PDM, SQL, API, REST, Automation, AI 🏢 Description: Senior .NET Backend Developer 📍 Wrocław, Poland 🏢 100% Onsite About Consid Consid is an award-winning IT company founded in Sweden, with a strong presence across Norway, Denmark, Germany, Finland, and Poland. We combine Scandinavian work culture with technical excellence, delivering modern, scalable digital solutions for international clients. At Consid, we believe in collaboration, ownership, and continuous growth. We build strong teams that create meaningful products and make sure our people grow along the way. About the Role We are looking for a Senior .NET Backend Developer to join a team working on complex aftersales and spare parts systems within the automotive sector. The role focuses on developing and maintaining backend solutions responsible for processing and connecting large volumes of product and aftersales data, including article numbers, spare parts information, and related product structures. The environment is highly data-driven and requires strong analytical thinking, understanding of complex system dependencies, and the ability to work with structured product data. The team is actively adopting AI-assisted development practices and automation, with a growing focus on reviewing and validating AI-generated solutions. Your Responsibilities Develop and maintain backend solutions supporting spare parts and aftersales systems. Work with complex product structures, article numbers, and PDM-related data. Design and implement scalable backend services. Ensure high code quality through automated testing and validation. Collaborate with business and technical stakeholders. Support modernization and automation initiatives across the development lifecycle. Requirements Strong experience with .NET backend development. Strong understanding of data structures and complex data relationships. Experience with test automation. Experience working with PDM (Product Data Management) data. Ability to work with complex business logic and aftersales data models. Strong problem-solving and analytical skills. Fluent English. Nice to Have Experience in automotive, manufacturing, or industrial environments. Experience working with spare parts systems or product catalogues. Familiarity with AI-assisted development tools and practices. Experience in enterprise-scale environments. Recruitment Process Application Review – We review your CV and contact selected candidates. Interview with our Recruitment Team (English). Technical Interview – Technical deep dive with the customer. Final Decision and Offer.

🏢 Summary: Frontend Engineer role focused on developing and optimizing workflows for a self-service e-commerce platform within a complex AWS-based environment. The position involves building scalable, high-performance, and accessible web applications using Vue.js while collaborating across teams and microservices. Hybrid work model with partial remote flexibility. 🗂️ Requirements: Commercial experience with Vue.js (v2 and v3), Strong knowledge of JavaScript (ES6), Experience with TypeScript, Proficiency in HTML5 and SCSS, Knowledge of BEM or similar CSS methodology, Experience with Bootstrap, Experience with Webpack, Gulp, Node.js, NPM, Experience with Git and pull request workflows, Experience with Jenkins and CI/CD pipelines, Knowledge of responsive design principles, Experience with web accessibility standards, Experience with cross-browser development 📃 Skills: Vue, JavaScript, TypeScript, Git, Jenkins, HTML5, SCSS, BEM, Bootstrap, Webpack, Gulp, Node, NPM, ES6, Responsive, Accessibility, Crossbrowser 🏢 Description: Frontend Engineer (Vue) 📍 Hybrid – Gdańsk (3 days remote / 2 days office). About Consid Consid is an award-winning IT company founded in Sweden, with a strong presence across Norway, Denmark, Germany, Finland, and Poland. We combine Scandinavian work culture with technical excellence, delivering modern, scalable digital solutions for international clients. At Consid, we believe in collaboration, ownership, and continuous growth. We build strong teams that create meaningful products — and we make sure our people grow along the way. About the Role We are looking for a Frontend Engineer to work in a web team focusing on workflows for an e-commerce site with self-service management, within an AWS cloud-based application and a complex IT and telecom infrastructure. Your Responsibilities • Work as a Frontend Engineer in a web team focusing on workflows for an e-commerce site with self-service management. • Build, optimize, and take responsibility for the application, ensuring it is scalable, high-performing, and accessible. • Maintain a positive “get things done” attitude with strong motivation towards technical challenges. • Collaborate closely with multiple teams connected to the overall system, which orchestrates workflows between different applications and microservices. • Understand data models and their relationships. • Be structured and highly committed in your work. • Contribute to continuous improvement and challenge the status quo. • Be driven, self-motivated, and communicative. • Be a responsible and respectful team player, willing to support the team where needed. Must-Have Skills • 6+ years of experience with Vue. • Vue.js (version 2) with JavaScript and/or TypeScript. • Vue 3. • Git and experience working with pull requests. • Jenkins (CI/CD). • JavaScript (ES6). • HTML5. • SCSS. • BEM or similar CSS naming convention. • Bootstrap. • Webpack, Gulp, Node.js, NPM. • Responsive design. • Accessibility. • Cross-browser web development. Nice to Have • Experience with accessibility. • Vue 3. • Adobe Target. • Figma. • Interest in UX or experience working with designers. • Experience with frontend unit testing across projects. Recruitment Process • Application Review – We review your CV and contact selected candidates. • Interview with our Recruitment Team (English). • Technical Interview – Technical deep dive with the customer. • Final Decision and Offer.

🏢 Summary: Backend-focused FullStack Engineer role centered on building scalable integration layers and data-driven services within a distributed international team. The position involves designing robust REST APIs, managing cross-system integrations, and ensuring secure, consistent data flows in cloud environments. The role also includes supporting React/Next.js applications and collaborating closely with Data Engineers. 🗂️ Requirements: 5+ years experience with TypeScript and Node.js, Strong experience with PostgreSQL, 2+ years experience with React or Next.js, Experience with cloud infrastructure (GCP or similar), Familiarity with Kubernetes, Experience with integration testing, Strong knowledge of backend architecture and design patterns, Understanding of caching mechanisms, Knowledge of security best practices, Proficiency with Git 📃 Skills: TypeScript, Node.js, JavaScript, PostgreSQL, React, Next.js, GCP, Kubernetes, REST, Integration, Testing, Git, Caching, Security, APIs 🏢 Description: Hybrid Role, Warsaw 📍 We are only considering candidates based in Warsaw. About Consid Consid is an award-winning IT and consulting company founded in Sweden, with a strong presence across Scandinavia and Europe, including Poland. We partner with leading enterprises to build modern, scalable digital solutions, combining strong engineering culture with long-term, trust-based collaboration. At Consid, we value ownership, quality, and continuous development. About the Role We are looking for a FullStack Engineer (Backend Heavy & Data Centered) to join an international engineering team building systems that support financial and operational workflows . This is a role for someone who is strongly backend-oriented (80%) and highly data-aware, not just writing APIs, but understanding how data moves across the organisation and how it should be exposed safely and reliably. You will work on a platform that integrates multiple internal and third-party systems, where the core challenge lies in reliably fetching, transforming, and exposing data through scalable services and API gateways. The role focuses on building robust integration layers, ensuring data consistency across systems, and designing solutions that support secure and efficient data flows across the organisation. Part of the landscape also includes integration and process automation tools, so experience with automation platforms is considered an advantage. You’ll work closely with Data Engineers , as well as a full-stack engineering team in Warsaw , and international stakeholders across multiple countries. Responsibilities Design, develop, document, and maintain scalable backend systems and REST APIs Build and manage integrations across multiple internal and external systems Model and implement secure, high-performance relational databases Contribute to an internal master data management (MDM-like) system Maintain and optimize backend infrastructure in cloud environments Support automation flows and integration processes (Workato) Collaborate with FullStack, Application, and Data Engineers Support React / Next.js applications when required Own features from concept through deployment Provide maintenance and troubleshooting across backend services and integrations Requirements 5+ years of experience with TypeScript and Node.js (& Javascript ecosystem) Strong experience with relational databases ( PostgreSQL ) 2+ years of experience with React or React frameworks ( Next.js ) Experience with cloud infrastructure ( GCP preferred or similar) Familiarity with Kubernetes Experience with integration testing Strong understanding of backend architecture, caching, and design patterns Solid knowledge of security best practices Proficiency with Git Strong English communication skills Ability to work independently and manage multiple initiatives Experience working in international distributed teams Preferably a university degree in Computer Science (or similar technical background) Nice to Have Experience with Workato or similar automation platforms Experience with NestJS or Bun Infrastructure as Code ( Terraform ) Microservices architecture experience Experience with caching solutions (Redis, Memcache) Familiarity with SSO, Cloudflare, or Okta Experience with Python Experience documenting APIs (OpenAPI or similar) Recruitment Process 1. Screening Call (30 min): A short introductory conversation with our recruitment team to discuss your background, motivation, and role expectations. 2. Client Interview – Communication & Cultural Fit: A meeting focused on collaboration style, communication, and how you work in an international environment. 3. Technical Interview: A deeper technical discussion combining system design, backend architecture, and data-oriented topics. This includes a technical deep dive relevant to your day-to-day work. 4. Final Client Interview (45 min): A final conversation focused on behavioural aspects, leadership/ownership mindset, and managerial alignment.

🏢 Summary: Experienced QA Engineer / Test Automation Engineer to strengthen automation capabilities within a cross-functional team building complex digital services and large-scale integrations. The role combines hands-on automated and manual testing with improving QA processes and establishing best practices in an Agile environment. You will contribute to CI/CD quality gates and support the team in maturing test automation frameworks. 🗂️ Requirements: Several years of experience in QA and software testing, Experience in test automation for web applications and/or backend services, Strong knowledge of manual testing practices, Experience with CI/CD pipelines, Experience with Git and pull request workflows, Knowledge of Agile methodologies, Experience with API testing, Very good English communication skills 📃 Skills: QA, Testing, Automation, CI/CD, Git, Agile, API, JavaScript, TypeScript, Docker, Kubernetes, Jenkins, GitHub, Jira, Confluence, AWS, Microservices 🏢 Description: QA Engineer / Test Automation Engineer 📍 Hybrid – Gdańsk (3 days remote / 2 days office) About Consid Consid is an award-winning IT company founded in Sweden, with a strong presence across Norway, Denmark, Germany, Finland, and Poland. We combine Scandinavian work culture with technical excellence, delivering modern, scalable digital solutions for international clients. At Consid, we believe in collaboration, ownership, and continuous growth. We build strong teams that create meaningful products — and we make sure our people grow along the way. About the Role We are looking for an experienced QA Engineer / Test Automation Engineer to join a cross-functional product team working with complex digital services and large-scale system integrations. This role is ideal for someone who enjoys both hands-on testing and helping teams mature their quality assurance practices. You will play a key role in strengthening the team's automation capabilities while also supporting manual testing when needed. The team is currently building up its automation competence, so we are looking for someone experienced who can guide, support, and help establish best practices within test automation. You will collaborate closely with developers, product teams, and manual testers in an Agile environment, contributing to both technical quality and team knowledge-sharing. Your Responsibilities Design, develop, and maintain automated test solutions for web applications and backend services. Perform manual testing when required as part of the overall QA process. Help define and improve test strategies, QA processes, and automation frameworks. Support the team in building stronger test automation capabilities and share best practices. Collaborate closely with developers, testers, and product stakeholders to ensure high product quality. Participate actively in refinement sessions and discussions around requirements and solution quality. Identify risks, edge cases, and quality improvements early in the development lifecycle. Contribute to CI/CD pipelines and automated quality gates. Promote a quality-focused mindset across the team. Take ownership of testing activities and help drive continuous improvement. Must-Have Skills Several years of experience within QA and software testing. Experience with test automation for web applications and/or backend services. Strong understanding of manual testing practices. Experience working with CI/CD pipelines. Experience with Git and pull request workflows. Knowledge of Agile methodologies and ways of working. Strong analytical and problem-solving skills. Very good spoken and written English. Ability to work independently while collaborating closely with teams. Nice to Have Experience testing microservices and distributed systems. Experience with JavaScript or TypeScript. Experience with API testing. Experience with Docker and Kubernetes. Familiarity with Jenkins, GitHub, Jira, and Confluence. Experience with cloud environments such as AWS. Knowledge of performance or integration testing. Experience mentoring teams or helping establish QA best practices. Experience using AI-assisted development or testing tools. Personal Qualities Proactive and supportive mindset. Strong communicator and collaborator. Curious and eager to learn and teach others. Empathetic and patient. Comfortable asking questions and challenging assumptions constructively. Structured and detail-oriented. Team player who enjoys helping others succeed. Motivated by improving quality, processes, and team capabilities. Recruitment Process Application Review – We review your CV and contact selected candidates. Interview with our Recruitment Team (English). Technical Interview – Technical deep dive with the customer. Final Decision and Offer.

🏢 Summary: Role focused on owning and driving performance and reliability across a cloud-native platform, including defining SLOs, executing load and stress tests, and integrating non-functional testing into CI/CD pipelines. The engineer shapes the end-to-end performance strategy, builds observability dashboards, and leads capacity planning and scalability analysis. The position requires close collaboration with engineering teams to identify bottlenecks and ensure system scalability and resilience. 🗂️ Requirements: 6+ years of performance and non-functional testing in cloud-native environments, Strong hands-on experience with AWS services (EKS, ECS, EC2, S3, CloudWatch), Proven experience with performance testing tools (k6, JMeter, Taurus, Gatling or equivalent), Experience integrating non-functional tests into CI/CD pipelines, Ability to write and read code in Java, Python, or JavaScript, Strong understanding of distributed systems and microservices, Experience with REST APIs and asynchronous messaging patterns, Hands-on experience with observability and monitoring tools, Experience with Kubernetes environments, Fluent English 📃 Skills: AWS, EKS, ECS, EC2, S3, CloudWatch, k6, JMeter, Taurus, Gatling, Java, Python, JavaScript, Kubernetes, Terraform, Jenkins, GitHub, Grafana, Kibana, PostgreSQL, Redis, Spring, Vue, REST, CI/CD 🏢 Description: Performance & Reliability Engineer 📍 Hybrid – Gdańsk (2 days office / 3 days remote) About Consid Consid is an award-winning IT and consulting company founded in Sweden, with a strong presence across Scandinavia and Europe, including Poland. We partner with leading enterprises to build modern, scalable digital solutions, combining strong engineering culture with long-term, trust-based collaboration. At Consid, we value ownership, quality, and continuous development. About the Role You will own performance across our entire cloud-native platform, from defining baselines and SLOs to running load tests, building observability dashboards, and driving capacity planning. This is not a support role. You will shape the testing strategy from the ground up. Responsibilities – Design and execute performance, load, stress, and scalability tests across APIs, end-to-end flows, and infrastructure – Define performance baselines, SLAs, and SLOs and own the process of maintaining them over time – Integrate non-functional tests (performance, accessibility, visual regression, DAST) into CI/CD pipelines – Analyse system behaviour under real and synthetic load: latency, throughput, error rates, resource saturation – Identify and document bottlenecks; collaborate directly with backend engineers on resolution – Build dashboards to track performance trends, capacity headroom, and SLO compliance – Conduct capacity planning and scalability analysis ahead of growth milestones – Deliver clear post-mortems, performance reports, and actionable briefs for engineering and product leadership Requirements – Several years (6+) of hands-on performance and non-functional testing experience in cloud-native environments – Strong practical AWS experience, EKS, ECS, EC2, S3, CloudWatch, and related tooling – Proven use of performance tools: k6, JMeter, Taurus, Gatling, or equivalent – Ability to automate non-functional checks and integrate them into CI/CD (GitHub Actions, Jenkins, or similar) – Comfortable reading and writing code in Java, Python, or JavaScript, enough to build test frameworks and scripts – Solid understanding of distributed systems, microservices, REST APIs, and async messaging patterns – Experience with observability tooling: Kibana, CloudWatch, Grafana, or similar – Strong documentation instincts, post-mortems, and performance briefs that teams can act on – Experience working in distributed, international teams and fluent English Nice to Have – Real User Monitoring (RUM) and synthetic testing experience – Kubernetes (EKS) autoscaling validation – Security considerations in performance testing contexts – Terraform for infrastructure-as-code Tech Stack • Backend: Java (Spring Boot) • Frontend: Vue 3 • Databases: PostgreSQL (Amazon Aurora), Redis • Cloud: AWS (EKS, ECS, EC2, S3) • Infrastructure: Kubernetes, Terraform • CI/CD: Jenkins, GitHub Actions Recruitment Process Screening interview Client Interview (Cultural & Behavioral) Technical Interview with the team

🏢 Summary: Role focused on owning and driving performance and reliability across a cloud-native platform, including defining SLOs, executing load and stress tests, and leading capacity planning. The engineer shapes the non-functional testing strategy, integrates it into CI/CD, and collaborates with backend teams to resolve bottlenecks. Responsibilities span observability, scalability analysis, and performance reporting in a distributed environment. 🗂️ Requirements: 6+ years of performance and non-functional testing in cloud-native environments, Strong AWS experience (EKS, ECS, EC2, S3, CloudWatch), Hands-on use of performance testing tools (k6, JMeter, Taurus, Gatling), Experience integrating non-functional tests into CI/CD pipelines, Ability to write code in Java, Python, or JavaScript for test automation, Understanding of distributed systems and microservices, Experience with REST APIs and async messaging, Experience with observability tools (Kibana, CloudWatch, Grafana), Experience with Kubernetes, Fluent English 📃 Skills: AWS, EKS, ECS, EC2, S3, CloudWatch, k6, JMeter, Taurus, Gatling, Java, Python, JavaScript, Kubernetes, Terraform, Jenkins, GitHub, Grafana, Kibana, PostgreSQL, Redis, Spring, Vue, Aurora 🏢 Description: Performance & Reliability Engineer 📍 Hybrid – Gdańsk (2 days office / 3 days remote) About Consid Consid is an award-winning IT and consulting company founded in Sweden, with a strong presence across Scandinavia and Europe, including Poland. We partner with leading enterprises to build modern, scalable digital solutions, combining strong engineering culture with long-term, trust-based collaboration. At Consid, we value ownership, quality, and continuous development. About the Role You will own performance across our entire cloud-native platform, from defining baselines and SLOs to running load tests, building observability dashboards, and driving capacity planning. This is not a support role. You will shape the testing strategy from the ground up. Responsibilities – Design and execute performance, load, stress, and scalability tests across APIs, end-to-end flows, and infrastructure – Define performance baselines, SLAs, and SLOs and own the process of maintaining them over time – Integrate non-functional tests (performance, accessibility, visual regression, DAST) into CI/CD pipelines – Analyse system behaviour under real and synthetic load: latency, throughput, error rates, resource saturation – Identify and document bottlenecks; collaborate directly with backend engineers on resolution – Build dashboards to track performance trends, capacity headroom, and SLO compliance – Conduct capacity planning and scalability analysis ahead of growth milestones – Deliver clear post-mortems, performance reports, and actionable briefs for engineering and product leadership Requirements – Several years (6+) of hands-on performance and non-functional testing experience in cloud-native environments – Strong practical AWS experience, EKS, ECS, EC2, S3, CloudWatch, and related tooling – Proven use of performance tools: k6, JMeter, Taurus, Gatling, or equivalent – Ability to automate non-functional checks and integrate them into CI/CD (GitHub Actions, Jenkins, or similar) – Comfortable reading and writing code in Java, Python, or JavaScript, enough to build test frameworks and scripts – Solid understanding of distributed systems, microservices, REST APIs, and async messaging patterns – Experience with observability tooling: Kibana, CloudWatch, Grafana, or similar – Strong documentation instincts, post-mortems, and performance briefs that teams can act on – Experience working in distributed, international teams and fluent English Nice to Have – Real User Monitoring (RUM) and synthetic testing experience – Kubernetes (EKS) autoscaling validation – Security considerations in performance testing contexts – Terraform for infrastructure-as-code Tech Stack • Backend: Java (Spring Boot) • Frontend: Vue 3 • Databases: PostgreSQL (Amazon Aurora), Redis • Cloud: AWS (EKS, ECS, EC2, S3) • Infrastructure: Kubernetes, Terraform • CI/CD: Jenkins, GitHub Actions Recruitment Process Screening interview Client Interview (Cultural & Behavioral) Technical Interview with the team

🏢 Summary: Fullstack Software Engineer role in a product-focused R&D team building cloud-native web applications and microservices on AWS. The position involves end-to-end development using C#/.NET Core on the backend and Angular or React on the frontend within an Agile Scrum environment. Hybrid work model with collaboration across engineering and data teams. 🗂️ Requirements: 5+ years of experience in web application development, Strong experience with C# and .NET, Experience building REST APIs, Experience with microservice architecture, Experience with AWS cloud services, Hands-on experience with Angular or React, Strong knowledge of JavaScript or TypeScript 📃 Skills: C#, .NET, REST, Microservices, AWS, Angular, React, JavaScript, TypeScript 🏢 Description: Software Engineer (Fullstack) Location: Gdańsk (Przymorze) – hybrid (3 days office, 2 days remote) About the role: Join a product‑focused R&D team building cloud‑native web applications and microservices on AWS. Work across the stack with C#/.NET Core and Angular/React in an Agile Scrum setup. Collaborate with software engineers, ML engineers, data analysts and Product Owners. Requirements: 5+ years of experience in web application development. Strong C#/.NET skills, experience with REST APIs and microservice architecture and cloud solutions (AWS). Hands‑on work with Angular/React and JavaScript/TypeScript. Familiarity with Docker, Kubernetes, CI/CD ( Azure DevOps ) is a plus. Good communication in English (B2+), proactive and ownership‑driven mindset. We offer: Employment via Antal: employment contract or B2B. Hybrid work model: 3 days in our modern Gdańsk Przymorze office, 2 days remote. Impactful work on large‑scale, cloud‑based products used globally. Equipment for office and home, private medical care, Multisport, life insurance, wellbeing initiatives.

🏢 Summary: Technical leadership role focused on designing and delivering a cloud‑native flagship product on AWS. The position combines hands‑on full‑stack development (C#/.NET Core and Angular/React) with architecture ownership, microservices design and mentoring engineers. Hybrid work model with strong impact on technical direction and engineering standards. 🗂️ Requirements: 8+ years of software development experience, Experience in senior or tech‑lead role, Expertise in C# and .NET, Experience with microservices architecture, Experience with AWS cloud architecture, Experience with Angular or React, Full‑stack development experience, Very good English (B2+) 📃 Skills: C#, .NET, AWS, Angular, React, Microservices, CI/CD 🏢 Description: Principal Software Engineer (Fullstack) Location: Gdańsk (Przymorze) – hybrid (3 days office, 2 days remote) About the role: Act as a technical leader in a cross‑functional Engineering Workbench R&D team. Design strategic architectures and frameworks for a flagship cloud‑native product on AWS. Lead development of microservices and web applications using C#/.NET Core and Angular/React. Mentor engineers and drive best practices in code quality, security and CI/CD. Requirements: 8+ years of experience in software development, including senior/tech‑lead roles. Deep expertise in C#/.NET , microservices and cloud architectures ( AWS ). Full‑stack skills with modern frontend frameworks (Angular/React) . Strong product mindset, high ownership, excellent collaboration and communication skills. Very good English (B2+), curiosity and drive for continuous improvement and innovation. We offer: Hybrid work model in our modern Gdańsk Przymorze office (3 days onsite, 2 remote). Employment via Antal: employment contract or B2B. Chance to shape the technical direction of a flagship product used globally. Strong engineering culture, mentoring, clear growth paths (Senior / Principal). Equipment for office and home, private medical care, Multisport, life insurance, wellbeing initiatives.

🏢 Summary: Senior .NET Developer role focused on designing and maintaining high-performance backend services using .NET and Azure for a scalable electronic components platform. The position involves building resilient cloud solutions, setting up test automation from scratch, and leveraging AI coding assistants in daily development. This is a 100% remote role requiring close collaboration with a US-based Agile team. 🗂️ Requirements: Minimum 8 years of professional experience in .NET development, Strong experience with C#, Experience with Azure cloud ecosystem, Experience with CosmosDB, Practical experience using AI tools in software development, Fluent English, Availability to attend meetings between 17:00 and 19:00 CET, Residence in Poland or eligibility to work in Poland 📃 Skills: .NET, C#, Azure, CosmosDB, Playwright, Selenium, GitHubCopilot, ChatGPT, Cursor, CI/CD, Git, TypeScript, JavaScript 🏢 Description: We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards. We deliver a wide range of IT projects in Poland and internationally, across multiple domains and technologies. This allows our consultants to develop their competencies and gain experience aligned with their professional ambitions. Our collaboration is built around the CARE philosophy. For us, it means responsible project matching, transparent cooperation, and a long-term approach to professional growth. Join us as Senior .NET Developer Grow in an environment that cares about your development as much as you do. Your responsibilities Designing, developing, and maintaining high-performance back-end services using .NET and C# for an established, scalable system used for selecting electronic components and integrating with manufacturer databases. Working extensively with Azure cloud services and CosmosDB to build, maintain, and monitor resilient solutions. Setting up test automation structures and frameworks from scratch using tools like Playwright or Selenium . Actively leveraging AI coding assistants such as GitHub Copilot , ChatGPT , or Cursor to enhance productivity and troubleshooting, while proactively sharing AI-assisted development practices with the team. Collaborating directly with the US-based team in an Agile environment, actively participating in code reviews, sprint planning, and architectural discussions. Communicating with business stakeholders to understand requirements and translate them into effective technical solutions. Requirements Minimum 8 years of professional experience in .NET development, demonstrating a senior-level mindset and problem-solving capabilities. Experience with C# , the Azure cloud ecosystem, and CosmosDB . Practical experience in using modern AI tools in daily software development and a willingness to promote these practices. Fluency in English to ensure seamless communication with US managers and developers. Flexibility to align with US working hours, specifically attending daily meetings between 17:00 and 19:00 CET. You need to live in Poland and/or be eligible to work here. Nice to have: Background or interest in Electrical Engineering. General understanding of testing practices, CI/CD pipelines, and Git version control. Knowledge in TypeScript or JavaScript. What we offer 100% remote work Work in a Scandinavian culture built on logic and dialogue. Health and sports benefits tailored to your needs. Speed Coaching – short sessions that provide new perspectives and solutions. Sports training, an internal team, and opportunities to take part in competitions. Team events and development-focused meetups.

🏢 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.