SOLO Tech Stack

All-in-one PFA admin platform: formation, billing, accounting, and compliance

Financial Services Sectorul 1, Bucharest 11–50 employees Founded 2021 Privately Held

SOLO is a fully digital platform for Romanian sole proprietors (PFA) to manage business formation, invoicing, accounting, and tax filing in one application. The team is scaling rapidly—9 new roles posted in the last 30 days across ops, engineering, and customer success—while simultaneously pursuing AI integration, billing components, and partnerships with logistics providers (Bolt, Uber), signaling expansion beyond core accounting into operational workflow automation.

Tech Stack 11 technologies

Core Stack.NET C# JavaScript TypeScript React MariaDB MySQL NHibernate Google Search JavaScript/TypeScript Microsoft Office

What SOLO Is Building

◆Challenges

Automating complex accounting processes
Automating bureaucratic processes
Scaling to 100k clients
Bureaucratic accounting for srl
Reducing administrative complexity
Integrating with state institutions
Simplifying compliance
Scaling customer operations
Lack of real-time financial clarity
Improving csat

▲Active Projects

Billing component development
Ai integration into product flows
Statement generation component
App improvement
Build growth engine
Build acquisition system
Create measurement system
Building operational system for new division
Integrating with bolt and uber
Scaling operations to thousands of clients

Hiring Activity

Accelerating15 roles · 9 in 30d

Department

Ops

Engineering

Finance

Marketing

Support

Other

Seniority

Senior

Mid

C-Level

Lead

Notable leadership hires: Head of Customer Excellence, Chief Operating Officer

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About SOLO

SOLO provides end-to-end digital administration for Romanian PFAs (including regulated practitioners like doctors and lawyers), covering formation, invoicing, accounting, and online compliance filing. The platform automates the administrative and accounting workflows that typically require external accountants or manual spreadsheet management. Based in Bucharest with 11–50 employees, the company is hiring across ops, finance, and engineering roles, with active projects focused on scaling to 100k clients, integrating state institution APIs, and reducing bureaucratic friction for users managing complex compliance requirements.

HeadquartersSectorul 1, Bucharest

Company Size11–50 employees

Founded2021

Hiring MarketsRomania

Frequently Asked Questions

What tech stack does SOLO use?

SOLO is built on .NET and C# for backend services, with React and TypeScript for the frontend, and MariaDB/MySQL for data storage. The stack also includes NHibernate for ORM.

What is SOLO working on?

Active projects include AI integration into product workflows, billing and statement generation components, an acquisition/growth engine, Bolt and Uber integrations, and scaling operations to support 100k clients.