Senior Full Stack Engineer (.NET / TypeScript)

Posted 4 Days Ago
Be an Early Applicant
Hiring Remotely in Sofia, Sofia-grad, BGR
Remote or Hybrid
Senior level
eCommerce • Software
The Role
Design and implement full-stack features across React/Next.js frontends and .NET microservices, integrate APIs and identity (Auth0, OIDC/SAML), model PostgreSQL schemas, work with Azure and Git-based CI/CD, participate in cross-shore Scrum practices, code reviews, and maintain clean architecture and SOLID principles.
Summary Generated by Built In

About us:

Valantic BG is a multidisciplinary digital competency center that builds extensive e-commerce expertise and a track record of successfully delivered projects. We provide specialized services at the intersection of e-commerce, data, and technology. Our portfolio includes Consulting, Customer Acquisition & Retention, Commerce Implementation, CX Monitoring, and 24/7 Support Services. We are committed to helping global enterprise clients achieve sustainable digital growth, while maintaining strong client relationships and delivering meaningful results.


valantic is a leading provider of digital transformation services and one of the most dynamic companies in the fields of digital solutions, consulting, and software. The company is trusted by numerous major brands and internationally recognized organizations. With its unique structure of divisions, competence centers, and expert teams, valantic offers solutions tailored precisely to the digitalization needs of modern businesses—from strategy to implementation.


What Are You Going to Do?

Full-stack feature development across the whole path: the React / Next.js frontends where customers configure and order, the .NET microservices behind them, and the API integrations that tie the two together through API Management. You will model relational data in PostgreSQL, work with the Auth0 and OIDC / SAML onboarding, and integrate the headless commerce and content layers.

You will work inside a cross-shore Scrum team - reviewing each other's work, demoing your own, and shaping requirements before they are built rather than after.

Main Responsibilities:

  • At least 5 years of full-time professional experience building production software
  • Strong C# / .NET Core, specifically ASP.NET Core Web API
  • Strong TypeScript with Next.js and React (Vue is a bonus)
  • REST and API design and integration - you can design a contract, not only consume one
  • Relational data modelling in PostgreSQL
  • Working knowledge of Microsoft Azure fundamentals and a Git-based CI/CD workflow
  • Solid software engineering fundamentals - clean architecture, SOLID, code review as a habit

Nice to have

  • Docker and containerization
  • Automated testing, including Playwright
  • Observability basics and security awareness - secret handling, OWASP
  • SonarQube, Datadog, GitHub Advanced Security

Why Join Us?

  • Competitive remunerations and benefits package
  • Opportunity to grow your career and get exposure to international brands, working on complex multi-technology projects
  • Friendly, yet competitive work environment where everyone’s success is celebrated
  • Flexible working hours/working location


Skills Required

  • At least 5 years of full-time professional experience building production software
  • Strong C# / .NET Core (ASP.NET Core Web API)
  • Strong TypeScript with Next.js and React
  • REST and API design and integration (able to design contracts)
  • Relational data modelling in PostgreSQL
  • Experience with Auth0 and OIDC / SAML onboarding
  • Working knowledge of Microsoft Azure fundamentals
  • Familiarity with a Git-based CI/CD workflow
  • Solid software engineering fundamentals (clean architecture, SOLID, code review habit)
  • Experience with API Management and integrating headless commerce/content layers
  • Vue.js experience
  • Docker and containerization
  • Automated testing experience, including Playwright
  • Observability basics and security awareness (secret handling, OWASP)
  • SonarQube, Datadog, GitHub Advanced Security
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The Company
HQ: Sofia
96 Employees
Year Founded: 2019

What We Do

AIOPSGROUP, a valantic company is a forward-thinking digital powerhouse operating at the nexus of eCommerce, Data, and Technology, with a strong commitment to digital accessibility. Our holistic approach encompasses innovative solutions that drive business growth and operational efficiency for our clients, spanning across various industries. Understanding the significance of inclusivity in today's digital landscape, we prioritize making digital content and services accessible to all users, including those with disabilities. By integrating accessibility standards into our eCommerce platforms, data analysis tools, and technology solutions, we aim to foster an inclusive digital environment. This commitment not only aligns with our core values but also ensures compliance with the latest digital accessibility regulations, providing a seamless, user-friendly experience for every customer. At AIOPSGROUP, a valantic company we believe in leveraging technology to break down barriers and create equal opportunities for everyone in the digital world. We are proud to serve some of the leading brands such as Puma, Mark Jacobs, Coach, Stuart Weitzman, Kate Spade, Carter's, Acne Studios, IKEA, s. Oliver, Fjallraven, MCM, Rossignol, and Fenix Outdoor.

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