Last updated: 2025-08-11
5 Backend Software Engineering jobs in Sofia.
Insurify
Insurify is one of the America’s fastest-growing MIT FinTech startups and has been recognized as one of Inc. 5,000’s fastest-growing private companies in Ameri…
Sofia
- Skills: Python, Django, Node.js, SQL, NoSQL, MySQL, Redis, DynamoDB, Redshift, Apache Airflow
- Level: mid
- Type: full_time
Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 17 markets. We always aim to leverage cutting-edge…
Sofia
- Skills: Backend Engineer, Scalable systems, High-performance code, Mentorship, System integration, Distributed systems, Microservice architectures, DevOps practices, Performance optimization, Technical roadmap
- Level: mid
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Golang, Ruby, API, Postgres, Redis, Kafka, S3, ClickHouse, Docker, Linux
- Level: senior
- Type: full_time
Mirantis
Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for mod…
Sofia
- Skills: Kubernetes, AI/ML, Python, Golang, open source, Docker, cloud-native, API, DevOps, microservices
- Level: senior
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Ruby on Rails, API interfaces, backend infrastructure, DevOps, code efficiency, system improvement, Redis, Postgres, object-oriented programming, open source
- Level: mid
- Type: full_time
Orfium
We are a global technology leader transforming the music and entertainment industry through advanced rights management and data solutions.
Sofia
- Skills: C#, .NET, microservices, RESTful API, postgreSQL, AWS, Docker, Kubernetes, event-driven systems, GitHub Actions
- Level: mid
- Type: full_time
Epos Now
Epos Now are transforming the business owner experience by putting the power of fintech in their hands. We offer comprehensive tools for point of sale and embe…
Sofia
- Skills: Golang, C#, React, TypeScript, AWS, Terraform, SQL, NoSQL, AI, fintech
- Level: mid
- Type: full_time
Payhawk
Payhawk is a leading global spend management solution for scaling businesses, offering company cards, reimbursable expenses, and accounts payable in a single p…
Sofia
- Skills: Node.js, TypeScript, PostgreSQL, Kubernetes, Docker, Google Cloud, React, React Native, Apache Kafka, LLM-based functionalities
- Level: mid
- Type: full_time
Progress Careers
We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI-powered applications…
Sofia
- Skills: Python, TypeScript, C#, Java, GO, APIs, DevOps, Docker, Kubernetes, AI Assistants
- Level: mid
- Type: full_time
LucidLink
LucidLink is a fast-growing startup on a mission to make data instantly and securely accessible from everywhere. They provide cloud-based technology that enabl…
Sofia
- Skills: TypeScript, JavaScript, cloud computing, network programming, SaaS architectures, multithreading, algorithms, data structures, Docker, automated testing
- Level: senior
- Type: full_time
Experian
Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, unc…
Sofia
- Skills: TypeScript, Docker, AWS, PostgreSQL, NoSQL, CI/CD, Kubernetes, DevOps, monitoring, APIs
- Level: mid
- Type: full_time
FLYR
FLYR is a technology company that unlocks freedom to innovate for the travel industry – eliminating legacy constraints to enable real-time decision making and …
Sofia
- Skills: Golang, Postgres, Redis, RESTful APIs, CI/CD, secure coding, software security, logging, monitoring, alerting
- Level: mid
- Type: full_time
Speechify
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn wh…
Sofia
- Skills: Backend Development, Python, GCP, AWS, Azure, Docker, Kubernetes, NLP, TTS, Voice Cloning
- Level: senior
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Rust, asynchronous applications, DevOps, network protocols, databases, Pub/Sub architectures, Golang, Ruby, WASM, open source
- Level: senior
- Type: full_time