Backend Jobs in Bulgaria
There are 77 open Backend jobs in Bulgaria on freehire right now. 23 of them were posted recently. The skills employers ask for most often are api, cloud and ai.
Most requested skills
- api 70%
- cloud 57%
- ai 52%
- aws 44%
- distributed-systems 40%
- postgresql 40%
- ci-cd 36%
- docker 35%
How the work is done
- Remote 29 · 38%
- Hybrid 25 · 32%
Visa sponsorship offered in 50% of the 2 postings that state a position on it.
Seniority
- Senior 42
- Lead 7
- Middle 4
- Junior 2
- Staff 2
- Principal 1
Who is hiring
- 1000+ employees 10
- 501-1000 employees 3
- 51-200 employees 3
Backend Engineer - Run & Grow
Backend engineer in SumUp's Run & Grow tribe in Sofia (office-first), building Go backend services and Kafka-driven, event-driven distributed systems for merchant acquisition, identity, marketing tech, risk and compliance. Core stack: Go, Kafka, PostgreSQL, Snowflake, serving millions of small businesses.



Senior Backend Engineer – Platform Team
Senior Backend Engineer joining Balance's platform team in Sofia, owning the full software lifecycle—architecture, implementation, deployment, and production support—for a B2B payments/fintech platform. Core stack includes REST APIs, distributed systems, PostgreSQL/MongoDB, AWS, Docker/Kubernetes, and CI/CD, with a focus on AI-driven development practices.
Senior Back-end Engineer
Senior Backend Engineer in Sofia building microservices for Cognyte's Analytics Platform, handling and analyzing mass amounts of data in distributed environments with high availability and low latency. Core stack: Java/Spring, cloud-native tech (Kubernetes/Docker on GCP/AWS/Azure), Kafka, PostgreSQL/NoSQL, Elasticsearch.
Senior Software Engineer (Backend) – Fraud
About us: BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're building a network for every form of money – one that delivers more reach, more capability and…
Senior Back-End Developer
Senior Back-End Developer builds and scales Java-based microservices using Spring Boot, designing REST/GraphQL APIs and collaborating on domain-driven architectures for a fully remote role in Spain.
Senior Software Engineer (Backend) – Issuance
About us: BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're building a network for every form of money – one that delivers more reach, more capability and…
Senior Backend Developer
Danfoss Group IT is hiring a Senior Backend Developer to design, build, and deploy enterprise integrations and serverless apps on Azure. Daily work spans event-driven integrations (Event Grid, Service Bus), .NET/C# development, Bicep infrastructure-as-code, and Azure DevOps CI/CD, in a hybrid role open in Slovenia, Croatia, Poland, and Romania.
Backend Engineer, AI agents platform
The Impact You'll Make AI agents are moving from demos into everyday work, and we want every team at Danfoss to be able to use them. You'll build the tools, integrations and templates that let engineers, product teams…
Senior Backend Engineer - AI Integrations
Wiser Technology designs, builds, and scales complex software systems that power real-world impact. With 500+ engineers and over 25 years of experience in mission-critical environments, we help global organizations…
Senior Java Backend Developer - Tieto Tech Consulting (m/f/d)
Do you have a strong Java Backend Developer background, passion for problem-solving, and want to join one of the largest tech companies in the Nordics? Then this is the role for you! We are looking for a Senior Java…
Backend Architect - Golang
Hands-on VPN backend architect at a cybersecurity company: 70% of the time writing Golang while leading the backend team and owning architecture of distributed services serving millions of users. Core stack: AWS (EC2, EKS, S3, Aurora/RDS), Docker/Kubernetes, Linux, and VPN/networking protocols like WireGuard, OpenVPN, and IPsec.
Senior Backend Engineer (.NET / Python / Azure)
About Gramian Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies…
Backend Developer (Java) — Vilnius
Backend Developer (Java) — Vilnius Location: Vilnius (on-site) · Team: Product Engineering · Reports to: Head of Technology · Contract: permanent, full-time About EC Markets and the role EC Markets is an FCA-regulated…
Senior Backend Engineer
Senior backend engineer on Ocado's Mobile Robotics platform (OMRS), designing and operating cloud-native distributed services that power thousands of autonomous robots across 120+ sites, with a strong emphasis on using agentic AI tools and LLMs in daily engineering work.
Senior Software Engineer (Backend)
As vCluster Labs’ Senior Software Engineer (Backend) , you aren’t just writing code; you are defining the future of tenant isolation. In this role, you will serve as a core architect of the vCluster Platform, tasked…
Senior Backend Engineer (.NET and Python)
Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into…
Senior Back-end Software Engineer | Betty CA
Senior back-end engineer at Betty, an Ontario-licensed real-money online casino operator, working from the Sofia office. Day to day: building and maintaining REST APIs in C#/.NET (WebAPI), optimizing SQL queries, and shipping Dockerized services with CI/CD pipelines and solid test coverage.