Referso Jobs

Full-Stack Staff Software Engineer - Tech Lead

Conga · Posted Nov 12, 2026

Sofia, Sofia-Capital, Bulgaria
Hybrid
Full-time · Staff
7+ years

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Hands-on Staff Software Engineer / Tech Lead to provide technical leadership for the Price Optimization and Management solutions team in Sofia, developing and evolving enterprise pricing products across monolithic and microservices architectures.

Responsibilities

Own the technical design and evolution of product functional areas and services
Translate product strategy and roadmap priorities into clear technical approaches and delivery plans
Lead design discussions across application, service, data, and deployment boundaries
Design and implement critical Java services, REST APIs, business logic, and React/TypeScript features
Design and evolve SQL and NoSQL data solutions

Requirements

Nice to have: Data-intensive business domains
Nice to have: Modernizing monolithic products
Nice to have: Event-driven architectures
Nice to have: Large-scale data processing
Nice to have: Databricks

Skills

Java Object-oriented design Design patterns SOLID principles APIs

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