Senior Fullstack Engineer (.NET, React) Krakow

Vention; Kraków; Hybrid; PLN 9,000 - 11,000; Full time

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.

Skills

.NET development

REST APIs

React

TypeScript

Relational databases

AWS

ERP knowledge

English communication

Tools

API versioning

Job description

Salary: from 10 000 PLN gross Hybrid Full-time Krakow, Poland (Aleja Pokoju 18D 31-564)

Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.

We’ve been building robust .NET solutions since 2002 — from microservice-based systems to high-load, enterprise-grade platforms. Our teams follow best engineering practices like clean architecture, DDD, automated testing, and CI/CD, delivering cloud-native solutions on Azure and AWS.

What you'll do

• Architect and deliver production-grade .NET solutions with a focus on performance and scalability
• Lead full-cycle development from requirements analysis through deployment and optimization
• Engage stakeholders through demo sessions, Agile ceremonies, and technical workshops
• Champion code quality through rigorous reviews and robust test automation strategies
• Contribute to business growth by participating in technical estimations, planning, and pre-sales activities
• Optional leadership: Conduct technical interviews, mentor team members, and share expertise at industry events

What you bring

• 4+ years of professional software development experience with .NET
• Strong experience building REST APIs, including API versioning
• Strong experience with React and TypeScript
• Solid understanding of relational databases
• Hands‑on experience with AWS
• Experience with the implementation of ERP systems and knowledge in accounting calculations would be a plus
• B2 level of English or higher, with experience communicating with English-speaking customers
• Genuine interest in continuously improving skills and keeping up with new technologies

What you'll get

• EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track.
• Licenses for AI tools: GitHub Copilot, Cursor, and others.
• Private medical care with LuxMed.
• Kafeteria MyBenefit credits for stores, restaurants, and cafés.
• Access to a Multisport membership to stay active.
• Glasses reimbursement program.
• Referral bonuses for bringing in new talent.