Senior .NET & React Architect — Hybrid, Lead & Scale APIs

Vention

Kraków

Hybrid

PLN 9,000 - 11,000

Full time

14 days+

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Benefits offered by this job

AI tools licenses

Private medical care

MyBenefit credits

Multisport membership

Glasses reimbursement

Referral bonuses

R&D lab access

Job summary

Vention is hiring a .NET-focused engineer in Kraków to architect and deliver robust REST-based solutions. You will lead from design to deployment, collaborate with stakeholders in Agile sessions, and drive code quality with tests and reviews.

The ideal candidate has 4+ years of .NET experience, strong React/TypeScript skills, AWS exposure, and English communication with clients. Hybrid work in Kraków is offered with additional tech perks and career growth.

Qualifications

4+ years of professional software development with .NET.
Experience building REST APIs with versioning.
Strong React and TypeScript experience.
Solid relational database knowledge.
Hands-on AWS experience.
ERP systems exposure and accounting knowledge is a plus.
B2+ English or higher with client communication experience.
Curiosity for new tech and continuous improvement.

Responsibilities

Architect and deliver production-grade .NET solutions focused on performance and scalability.
Lead full development lifecycle from requirements to deployment and optimization.
Engage stakeholders through demos, Agile ceremonies, and workshops.
Ensure code quality with reviews and automated testing strategies.
Contribute to technical estimations, planning, and pre-sales activities.
Optional: conduct technical interviews and mentor teammates.