Senior Full Stack Engineer

🏢 Summary: Senior Full Stack Engineer contract role building and evolving a platform for automated chromatography data analysis used by R&D scientists and laboratory technicians. The role covers end-to-end development, AWS operations, testing, monitoring, and close collaboration with product stakeholders and end-users. 🗂️ Requirements: Relevant degree in Computer Science, Software Development, Engineering, or related discipline, Senior-level full-stack or software engineering experience with enterprise web applications, Vue experience, TypeScript experience, Python experience, API backend development experience, Relational database and schema migration experience, Automated testing, CI/CD, code review, and DevOps experience, Full software lifecycle experience, Independent problem-solving and ownership in an agile team 📃 Skills: Vue, TypeScript, Python, Pydantic, FastAPI, SQLAlchemy, Alembic, PostgreSQL, AWS, ECR, StepFunctions, Lambda, RDS, S3, Cognito, GitHub, CodeBuild, Playwright, Vitest, Pytest, Grafana, CloudWatch, CI/CD, DevOps, GxP 🏢 Description: Industry: Pharmaceutical Remote work: 100% Project language: English Contract length: 24 months with possible extensions Start: 01.09.2026 Assignment type: B2B Are you an experienced Full Stack Engineer looking for the right place to apply your passion for building products that truly matter? Do you want to contribute to improving how scientific data is analysed, interpreted, and used across laboratories? Join a well-established platform supporting automated chromatography data analysis for Research & Development, analytical scientists, and lab technicians. What you will be doing We are looking for a Senior Full Stack Engineer to help evolve the platform that automates chromatography data analysis for R&D scientists and laboratory technicians. Working closely with the Product Owner and end-users, you will design, develop, and maintain solutions across the full technology stack while contributing to the platform's reliability, scalability, and long-term evolution. Your key responsibilities include: - Develop and maintain modern frontend features using Vue 3, TypeScript, and Vuetify. - Design, implement, and improve backend services using Python, Pydantic, FastAPI, SQLAlchemy, and Alembic. - Work with PostgreSQL and S3-based data storage to support reliable analytical workflows. - Develop and operate AWS-based components using ECR, Step Functions, Lambdas, RDS, S3, and Cognito. - Contribute to CI/CD pipelines and quality practices using GitHub, AWS CodeBuild, Playwright E2E tests, Vitest, and Pytest. - Use Grafana and CloudWatch to monitor, troubleshoot, and improve platform reliability and performance. - Collaborate directly with end-users, stakeholders, and the Product Owner. - Bring strong software engineering discipline while applying or developing an understanding of data analytics and scientific workflows. What we are looking for We are looking for a senior full stack engineer with a solid educational background in Computer Science, Software Development, Engineering, or another relevant discipline, and experience in some of the following areas: - Strong senior-level experience as a Full Stack Developer or Software Engineer building enterprise-grade web applications. - Hands-on experience with Vue, TypeScript, Python, and API-based backend development. - Practical experience with relational databases, preferably PostgreSQL, and schema migrations. - Experience with automated testing, CI/CD, code reviews, and DevOps ways of working. - Comfortable working across the full software lifecycle, from solution design through development, deployment, and support. - Strong problem-solving skills, ownership mindset, and ability to work independently in a small agile team. - Experience with data analytics, scientific software, laboratory systems, chromatography, or pharmaceutical R&D is a strong plus. - Experience with GxP, compliance, or regulated environments is an advantage.

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

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

🏢 Summary: Senior Full Stack Engineer role focused on building scalable, business-critical web applications using React/Remix front ends and Python REST APIs. The position contributes to technical direction, engineering quality, DevOps practices, and mentoring within an agile, collaborative team. 🗂️ Requirements: Senior full-stack engineering experience, TypeScript, React, Python API development, MongoDB, SQL databases, Azure, Kubernetes, Clean, testable code, Automation, Vitest, Pytest, GitHub Actions, ArgoCD, CI/CD 📃 Skills: TypeScript, React, Remix, Python, REST, MongoDB, SQL, Azure, Kubernetes, AKS, Vitest, Pytest, GitHub, Actions, ArgoCD, CI/CD, DevOps 🏢 Description: We’re looking for a Senior Full Stack Engineer to join a collaborative, high-performing team building modern, business-critical web applications. In this role, you’ll work across React/Remix and Python APIs, helping shape technical direction, deliver scalable solutions, and improve engineering practices. We’re looking for someone who enjoys solving complex problems, writes clean and maintainable code, and thrives in an agile, team-oriented environment. What you’ll do Design, build, and deliver scalable full-stack applications Develop modern React/Remix front ends and Python REST APIs Improve performance, reliability, security, and accessibility Drive best practices in testing, DevOps, and continuous delivery Troubleshoot complex issues and implement long-term solutions Collaborate closely with product, architecture, and engineering teams Mentor other engineers and support a culture of learning and improvement What you’ll bring Strong experience as a Senior Full Stack Engineer Excellent TypeScript and React skills (Remix is a plus) Solid Python API development experience Experience with MongoDB and SQL databases Hands-on experience with Azure and Kubernetes (AKS) A strong focus on clean, testable code and automation Experience with Vitest, Pytest, GitHub Actions, ArgoCD, and CI/CD Great communication and collaboration skills If you’re excited by building scalable products, working with modern technologies, and having a genuine impact on both the platform and the engineering culture, we’d love to hear from you.

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