Fullstack Engineer

Job profile

We're looking for a Senior Fullstack 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 frontend-backend focus, ideal for someone who takes ownership, thrives in a dynamic product team, and enjoys mentoring others. 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 ask all employees to be located in Poland. This is not a globally remote role - Poland residency is required. The contract form is Umowa o Pracę (brutto).

What you will be responsible for

1. Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features.

2. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles.

3. Develop responsive user interfaces with React and TypeScript that enhance usability and performance.

4. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood.

5. Define and align feature architecture with the Tech Lead to ensure consistency and scalability.

6. Ensure features meet Definition of Done, with appropriate unit, integration, and end-to-end test coverage.

7. Support incident response and production issue resolution as per team standards.

8. Actively contribute to team knowledge sharing and coach colleagues in technical best practices.

What makes you a match

Essential Qualifications:

• 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 leadership

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 (fluent) required 

  • 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 ), ensuring full legal compliance and a seamless experience for our team members in Poland.

ID Verification: 
To maintain a fair and secure hiring process, all candidates will be asked to verify their identity via Veriff before speaking with our recruiters. This step helps us prevent fraud and focus our resources on genuine applicants.

About us

Who we are:

esurance is a Swiss InsurTech company offering a SaaS solution. Driven by the vision of a hassle-free insurance experience, we are on a mission to reinvent health insurance for small businesses. Our main product is a configurable sales platform for insurance that connects small and medium-sized enterprises (SMEs), insurance providers, business application providers and brokers. Founded in 2013, we are a successful scale-up.

What makes us unique:

At esurance, you're part of a connected and forward-thinking team driven by trust, openness, and mutual respect. Whether working from our vibrant Zurich office or remotely across Europe, you'll enjoy a flexible, hybrid environment where your voice matters and collaboration thrives.

We invest in your growth through agile practices, regular feedback, and true ownership of meaningful projects. Our transparent Grading System ensures fair compensation, clear career paths, and ongoing development aligned with our shared goals.

Alongside competitive pay, flexible hours, and health support, your work makes a real impact – helping small businesses navigate insurance in a simpler, fairer, and hassle-free way. At esurance, you don't just have a job – you help shape the future of insurance.

Our core values:

• We are connected.
• We are ahead.
• We are clear.
• We are approachable.

Are these inline with your personal values? → Come join us

AI Recruiting Statement

At esurance, we value authenticity and encourage candidates to present their true selves during the recruiting process. We embrace advanced technology and use AI in our business and we are fine with candidates leveraging AI to optimize their resumes before applying. We see no value in providing a purely AI generated cover letter though.

We expect that any interaction with our team, including online assessments and interviews, should reflect your genuine skills and experiences without AI assistance. We believe in the power of human connection and want to get to know you, not an AI-generated version of you. Our aim is to focus on authenticity and build a team that truly reflects our values and culture.

Cooperation with External Recruitment Agencies

esurance AG generally does not engage external recruitment agencies to fill vacancies. In the rare event we require additional support, we may work with selected partners under a written agreement for a limited period. We do not accept unsolicited candidate profiles from agencies with whom we have no formal arrangement. Submitting such profiles does not give rise to any claim for placement fees or other compensation.

---