Backend Developer Jobs in Sofia

Backend Developer jobs in Sofia hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $78,295/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Sofia
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

MariaDB

mariadb.com
mariadb.com • HQ: Milpitas, United States • Databases & DBMS • 501-1000 employees • Est. 2014 • Trust B • Hiring 27, 7 new
HQ: Milpitas, United States • Databases & DBMS • 501-1000 employees • Est. 2014 • Trust B • Hiring 27, 7 new
MariaDB provides enterprise open source database and database services to support scalability, mission-critical deployments, and more.
Amir Ameri · Executive Officer · decision-maker
Michael Howard · Executive Officer, Director · decision-maker
Kenneth Paqvalen · Executive Officer · decision-maker
Paul Jenkinson · Director
No careers mailbox known
Verified live · 14 min ago 1 month ago Likely open · 47%

Java Senior Software Engineer

$83k – $101k per year (gross) • Senior • 4+ years exp • Sofia • Remote (Bulgaria, Croatia) • Relocation • Senior
Java
SQL
Databases
MariaDB
Apache Ignite
MySQL
PostgreSQL
DevOps
Git
Docker
Linux
Kubernetes
Azure
AWS
+4
Apply

Cloud Solutions

thecloudsolutions.com
thecloudsolutions.com • HQ: Sofia, Bulgaria • Information Technology • AI Consulting & Integration • Cloud Consulting & Migration • Hiring 1
HQ: Sofia, Bulgaria • Information Technology • AI Consulting & Integration • Cloud Consulting & Migration • Hiring 1
We provide AWS consulting for startups, helping your team build reliable infrastructure, automate delivery with DevOps, and add AI features to your products.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 15%

Junior AWS Python Developer

Junior • Hybrid (Sofia, Bulgaria) • Internship • Junior
Python
TypeScript
Databases
DynamoDB
PostgreSQL
DevOps
AWS Lambda
Amazon EC2
Amazon S3
Terraform
Git
CI/CD
AWS
Amazon ECS
Amazon CloudWatch
GitHub Actions
GitHub
Docker
+8
Apply
Report

Light & Wonder

lnw.com
lnw.com • HQ: Las Vegas, United States • iGaming & Gambling • 1001-5000 employees • Est. 1973 • Trust B • Hiring 124, 17 new
HQ: Las Vegas, United States • iGaming & Gambling • 1001-5000 employees • Est. 1973 • Trust B • Hiring 124, 17 new
Light & Wonder is a global cross-platform gaming technology enterprise that develops and distributes land-based casino games, electronic slot machines, and digital iGaming solutions. Headquartered in Las Vegas, Nevada, the company provides hardware, table gaming systems, and casino management software to commercial, tribal, and online casino operators worldwide. By combining physical gaming equipment with scalable digital platforms, it delivers interactive entertainment systems that optimize casino floor operations and drive player engagement.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 day ago 1 month ago Fading · 28%

Principal Back-End Software Engineer

≈ $30k – $90k per year (Estimated) • Lead • 10+ years exp • Hybrid (Marousi, Greece, Sofia, Bulgaria) • Full-Time • Principal
Java
SQL
Java
Spring Boot
Databases
RabbitMQ
Apache Kafka
PostgreSQL
Mobile
Clean Architecture
DevOps
Splunk
Amazon EKS
Amazon ECS
GitHub Actions
Grafana
Jenkins
Rest API
Docker
Kubernetes
CI/CD
AWS
Helm
API Gateway
IAM
Terraform
Azure
Cybersecurity
Shift-Left Security
Management
Agile
QA
Swagger
+18
Apply
Open 117 daysVerified live · 1 day ago 4 months ago Long shot · 5%

Software Engineer (Java)

Junior • 2+ years exp • Hybrid (Marousi, Greece, Sofia, Bulgaria) • Bachelor's Degree • Full-Time • Junior • English
Java
SQL
Java
Spring Boot
Maven
DevOps
Unix
Linux
Jenkins
Docker
Management
Agile
+1
Apply

EGT Digital

egt-digital.com
egt-digital.com • HQ: Sofia, Bulgaria • Gaming • iGaming & Gambling • Hiring 15
HQ: Sofia, Bulgaria • Gaming • iGaming & Gambling • Hiring 15
Get to know our comprehensive iGaming portfolio from the all-in-one platform – X-Nave to the in-house gaming products. Find them all on our website.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 19%

Full Stack Developer, Online Games Department

Hybrid (Sofia, Bulgaria)
TypeScript
JavaScript
Java
Java
Spring Boot
Databases
RabbitMQ
Frontend
Redux
Material UI
Formik
Yup
AG Grid
React.js
DevOps
Rest API
Git
CI/CD
+6
Apply

ULTRAFAN

ultrafan.world
ultrafan.world • HQ: Sofia, Bulgaria • Sporting Goods • Consumer Internet Groups • Trust A • Hiring 3
HQ: Sofia, Bulgaria • Sporting Goods • Consumer Internet Groups • Trust A • Hiring 3
Ultrafan is the revenue-generating SuperApp connecting football clubs, supporters and commercial partners to drive sustainable growth worldwide.
No named decision-maker yet.
No careers mailbox known
1 month ago Long shot · 22%

Senior Full Stack Engineer

≈ $42k – $79k per year (Estimated) • Senior • Hybrid (Sofia, Bulgaria) • Senior
Node JS
JavaScript
Databases
Redis
Apache Kafka
PostgreSQL
AI/ML
Windsurf
Cursor
Claude Code
Frontend
Redux
React.js
Mobile
React Native
DevOps
Rest API
GCP
CI/CD
Management
Confluence
Jira
Agile
+9
Apply

Asebo

asebo.bg
asebo.bg • HQ: Sofia, Bulgaria • IT Consulting & Digital Transformation • Custom Software Development • Hiring 3
HQ: Sofia, Bulgaria • IT Consulting & Digital Transformation • Custom Software Development • Hiring 3
Asebo is a Bulgarian IT company with a team experienced in building successful IT businesses. Its job ads cover junior .NET developers, business analysts and MS SQL Server database developers working with ASP.NET MVC and Entity Framework. The company is based in Sofia, Bulgaria.
No named decision-maker yet.
No careers mailbox known
1 month ago Long shot · 15%

Junior .NET developer

Junior • 1+ year exp • In office (Sofia, Bulgaria) • Internship • Junior
SQL
C#
TypeScript
JavaScript
C#
ASP.NET Core
Entity Framework Core
Frontend
Vue.js
Angular
React.js
+1
Apply

Omnissa

omnissa.com
omnissa.com • HQ: Mountain View, United States • Identity Management • Endpoint Security • Virtualization & Containers • IT Service & Asset Management • 501-1000 employees • Est. 2024 • Startup • Trust B • Hiring 109, 8 new
HQ: Mountain View, United States • Identity Management • Endpoint Security • Virtualization & Containers • IT Service & Asset Management • 501-1000 employees • Est. 2024 • Startup • Trust B • Hiring 109, 8 new
Omnissa is an enterprise software company specializing in digital workspace platforms, originally formed following the spin-off of VMware's End-User Computing business. The company focuses on delivering AI-powered solutions for unified endpoint management, digital employee experience, and virtual desktop infrastructure. Headquartered in Mountain View, California, it supports global organizations in optimizing IT operations and enabling secure hybrid work.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 1 month ago Fading · 29%

Senior Software Engineer – iOS & macOS Security Applications

Senior • In office (Sofia, Bulgaria) • Full-Time • Senior
Swift
Objective-C
Mobile
CryptoKit
DevOps
VPN
TCP/IP
DNS
Cybersecurity
Threat Modeling
PKI
Zero Trust
DLP
+2
Apply
Verified live · 3 hours ago 2 months ago Long shot · 10%

Java Software Engineer

Hybrid (Sofia, Bulgaria) • Full-Time
Java
Java
Spring Boot
DevOps
CI/CD
AWS
Management
Agile
Apply

Strongpoint

strongpoint.com
strongpoint.com • Sofia • Commerce • 201-500 employees • Est. 1985 • Hiring 3, 1 new
Sofia • Commerce • 201-500 employees • Est. 1985 • Hiring 3, 1 new
StrongPoint is a retail technology company providing solutions to make stores smarter, shopping experiences better and grocery e-commerce efficient.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 24%

Senior .NET Engineer

≈ $41k – $77k per year (Estimated) • Senior • Hybrid (Sofia, Bulgaria) • Senior
C#
SQL
C#
ASP.NET Core
Blazor
SignalR
Databases
Redis
Apache Kafka
Frontend
WebAssembly
Mobile
MAUI
Xamarin
Offline-First
DevOps
Bicep
Terraform
Kubernetes
Azure
+7
Apply

eDesign

edesign.bg
edesign.bg • HQ: Sofia, Bulgaria • Web Development Services • Web Design • Digital Marketing • 51-200 employees • Est. 2004 • Hiring 1
HQ: Sofia, Bulgaria • Web Development Services • Web Design • Digital Marketing • 51-200 employees • Est. 2004 • Hiring 1
eDesign is a Bulgarian digital agency offering complete digital solutions covering strategy, branding, websites and online shops, content, video and digital marketing, with a focus on business goals and measurable results. It also has a United States office in New Jersey and recruits PHP developers. The company is headquartered in Sofia, Bulgaria.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 18%

PHP Developer

≈ $29k – $72k per year (Estimated) • In office (Sofia, Bulgaria)
PHP
JavaScript
PHP
WordPress
Magento
Databases
MySQL
DevOps
Linux
Apply
Report

Thndr

thndr.app
thndr.app • HQ: Cairo, Egypt • Online Brokerage & Trading Platforms • Investing Apps & Robo-Advisors • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 14, 2 new
HQ: Cairo, Egypt • Online Brokerage & Trading Platforms • Investing Apps & Robo-Advisors • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 14, 2 new
Thndr is an Egyptian fintech founded in 2019 and based in Cairo. Its app lets retail investors trade shares and funds with no commission. The company is licensed as a brokerage in Egypt.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 1 month ago Long shot · 24%

Lead Backend Engineer - Feed Squad

≈ $35k – $105k per year (Estimated) • Lead • In office (Sofia, Bulgaria) • Full-Time • Staff
Go
C#
Python
C#
.NET
Databases
ClickHouse
Redis
PostgreSQL
RabbitMQ
DevOps
SLI/SLO/SLA
AWS
+2
Apply
Open 101 daysVerified live · 3 hours ago 3 months ago Long shot · 11%

Senior Backend Engineer - Feed Squad

≈ $44k – $83k per year (Estimated) • Senior • In office (Sofia, Bulgaria) • Full-Time • Senior
Go
C#
Python
C#
.NET
Databases
ClickHouse
Redis
PostgreSQL
RabbitMQ
DevOps
SLI/SLO/SLA
AWS
+2
Apply

It Labs

it-labs.com
it-labs.com • HQ: Lahore, Pakistan • 201-500 employees • Est. 2023 • Likely startup • Hiring 8, 1 new
HQ: Lahore, Pakistan • 201-500 employees • Est. 2023 • Likely startup • Hiring 8, 1 new
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Fading · 37%

Senior Backend Engineer

≈ $33k – $98k per year (Estimated) • Senior • 5+ years exp • In office (Zagreb, Croatia, Rome, Milan, Italy, Sofia, Bulgaria, Prague, Czech Republic) • Full-Time • Senior • English
Node JS
Python
JavaScript
Frontend
GraphQL
DevOps
Platform Engineering
Rest API
Docker
Azure
AWS
Git
CI/CD
+3
Apply

tbi bank

tbibank.bg
tbibank.bg • HQ: Sofia, Bulgaria • Commercial & Retail Banks • 51-200 employees • Hiring 15, 3 new
HQ: Sofia, Bulgaria • Commercial & Retail Banks • 51-200 employees • Hiring 15, 3 new
tbi bank is a bank offering mobile banking without fees and the neon credit product for purchases. The bank describes itself as an established and profitable bank that operates with a start-up culture, and it hires software engineers such as .NET developers. tbi bank is headquartered in Sofia, Bulgaria.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 7%

.NET Developer

Junior • 2+ years exp • In office (Sofia, Bulgaria) • Junior
C#
JavaScript
SQL
C#
ASP.NET Core
Databases
Oracle
Frontend
Vue.js
Mobile
MVC
DevOps
Rest API
SOAP
+1
Apply

Brandwatch

brandwatch.com
brandwatch.com • HQ: Brighton, United Kingdom • Marketing Analytics & Attribution • Social Media Analytics & Listening • 501-1000 employees • Est. 2007 • Hiring 16, 5 new
HQ: Brighton, United Kingdom • Marketing Analytics & Attribution • Social Media Analytics & Listening • 501-1000 employees • Est. 2007 • Hiring 16, 5 new
Brandwatch provides social listening and consumer intelligence software. Its models classify billions of online conversations for brands. The company is part of the Cision group.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 min ago 1 month ago Likely open · 68%

Senior Staff Software Engineer

$73k – $84k per year (gross) • Staff+ • 10+ years exp • Budapest • Sofia • Remote (Bulgaria, Hungary) • Bachelor's Degree • Staff
Go
C#
Java
SQL
Python
Databases
MySQL
PostgreSQL
DevOps
Docker
GCP
Kubernetes
CI/CD
AWS
Analytics
ETL/ELT
+5
Apply

PROS

pros.com
pros.com • London • Sofia • Health Care • Search Engine Optimization (SEO) • Artificial Intelligence • Travel Technology • 1001-5000 employees • Est. 1985 • Trust B • Hiring 8
London • Sofia • Health Care • Search Engine Optimization (SEO) • Artificial Intelligence • Travel Technology • 1001-5000 employees • Est. 1985 • Trust B • Hiring 8
PROS, Inc. is the leading offer management provider to the airline industry, helping airlines deliver seamless retail experiences designed to maximize revenue and margin growth.
No named decision-maker yet.
Careers mailbox is known
2 months ago Fading · 28%

Senior Software Engineer (Java)

≈ $41k – $78k per year (Estimated) • Senior • 5+ years exp • Hybrid (Sofia, Bulgaria) • Bachelor's Degree • Full-Time • Senior
Java
SQL
AI/ML
AI Agents
DevOps
Jenkins
Rest API
Git
Docker
Kubernetes
Azure
CI/CD
Management
Kanban
Confluence
Jira
Scrum
Agile
+7
Apply

Raven Trading

raven-trading.com
raven-trading.com • Milan • Sofia • Hedge Funds & Alternative Investments • Financial AI • DeFi • 11-50 employees • Est. 2023 • Hiring 2
Milan • Sofia • Hedge Funds & Alternative Investments • Financial AI • DeFi • 11-50 employees • Est. 2023 • Hiring 2
Proprietary trading firm specializing in market making and liquidity provision across prediction markets, centralized exchanges, and DeFi protocols. Backed by Hack VC, Coinbase Ventures, CMCC Global, and Wintermute Ventures.
No named decision-maker yet.
No careers mailbox known
2 months ago Long shot · 8%

Software Engineer - Market Data

In office (Sofia, Bulgaria, Milan, Italy)
Rust
C++
Apply
2 months ago Long shot · 8%

Software Engineer - Exchange Integrations

In office (Sofia, Bulgaria, Milan, Italy)
Rust
C++
DevOps
WebSockets
Web3
DeFi
Apply
Report

Fastmarkets

fastmarkets.com
fastmarkets.com • HQ: London, United Kingdom • Market Research • Financial News & Media • Financial Data & Market Intelligence • 501-1000 employees • Est. 1913 • Hiring 22, 2 new
HQ: London, United Kingdom • Market Research • Financial News & Media • Financial Data & Market Intelligence • 501-1000 employees • Est. 1913 • Hiring 22, 2 new
Fastmarkets is a price reporting agency and commodity market intelligence provider headquartered in London, United Kingdom, with roots dating back to the founding of Metal Bulletin in 1913. The company provides benchmark price data, news, analysis, and forecasting services for the metals, mining, forest products, agriculture, and energy transition markets. It operates globally through a network of offices in Europe, Asia, and the Americas, serving industrial consumers, producers, and financial institutions as a subsidiary of Delinian.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 2 months ago Long shot · 17%

Senior Software Engineer

≈ $41k – $77k per year (Estimated) • Senior • Hybrid (Sofia, Bulgaria) • Full-Time • Senior • English: B2
C#
Databases
GraphDB
ElasticSearch
AI/ML
Claude Code
Copilot
Anthropic
DevOps
Rest API
CI/CD
Azure
Management
Agile
+2
Apply

DC Byte

dcbyte.com
dcbyte.com • HQ: Singapore • Data Centers & Colocation • Real Estate • Energy & Utilities • 51-200 employees • Likely startup • Hiring 5
HQ: Singapore • Data Centers & Colocation • Real Estate • Energy & Utilities • 51-200 employees • Likely startup • Hiring 5
DC Byte delivers comprehensive data centre insights to help you build actionable strategies to grow your business. Visit our website to learn more.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago 2 months ago Long shot · 10%

Developer

Hybrid (Sofia, Bulgaria) • Full-Time
Node JS
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
GraphQL
React.js
Management
Scrum
QA
Cypress
Jest
+1
Apply

GeoWealth

geowealth.com
geowealth.com • HQ: Chicago, United States • Wealth Management & Financial Advisors • Financial Software & Embedded Finance • 51-200 employees • Est. 2010 • Hiring 2
HQ: Chicago, United States • Wealth Management & Financial Advisors • Financial Software & Embedded Finance • 51-200 employees • Est. 2010 • Hiring 2
GeoWealth is a wealth technology company with its US headquarters in Chicago and a development and accounting subsidiary in Sofia, Bulgaria. The Sofia subsidiary hires a senior accountant, a full stack engineer and a Java developer. The company is headquartered in Chicago, Illinois, United States.
No named decision-maker yet.
No careers mailbox known
Verified live · 16 min ago 2 months ago Long shot · 10%

Full stack Engineer

In office (Sofia, Bulgaria) • Bachelor's Degree • Full-Time • English: C1
Java
PowerShell
Python
AI/ML
Copilot
DevOps
Docker
CI/CD
GitHub Actions
GitHub
Azure
AWS
+2
Apply
Open 1000 daysVerified live · 16 min ago 2 years ago Long shot · 6%

Java Developer

Middle • 3+ years exp • In office (Sofia, Bulgaria) • Full-Time • Middle • English
Java
Java
Hibernate
Apply
Report

Keyrock

keyrock.com
keyrock.com • HQ: Brussels, Belgium • Blockchain & Crypto • Hedge Funds & Alternative Investments • Cryptocurrencies • 201-500 employees • Est. 2017 • Hiring 8
HQ: Brussels, Belgium • Blockchain & Crypto • Hedge Funds & Alternative Investments • Cryptocurrencies • 201-500 employees • Est. 2017 • Hiring 8
Keyrock is a digital asset market maker providing liquidity on centralised and decentralised venues worldwide. It runs proprietary trading technology and offers over-the-counter execution and options desks for institutional clients. The Belgian firm is one of Europe's larger crypto liquidity providers.
No named decision-maker yet.
Careers mailbox is known
Verified live · 5 min ago 2 months ago Long shot · 16%

Senior Rust Engineer - High Frequency Trading (HFT)

Senior • In office (Brussels, Antwerp, Belgium, Rome, Milan, Italy, Zug, Switzerland) • Full-Time • Senior
Rust
Python
AI/ML
Cursor
Model Context Protocol
Claude Code
AI Agents
DevOps
WebSockets
Rest API
Linux
AWS
Web3
DeFi
NFT
+4
Apply
Open 101 daysVerified live · 5 min ago 3 months ago Long shot · 7%

Rust Engineer - Trading Systems

Brussels • Rome • Zug • Porto • Istanbul • Remote (Europe, European time zones hours) • Full-Time
Rust
Python
AI/ML
Cursor
Model Context Protocol
Claude Code
AI Agents
DevOps
WebSockets
Rest API
Linux
AWS
Web3
DeFi
NFT
+4
Apply

OfficeRnD

officernd.com
officernd.com • HQ: Sofia, Bulgaria • Cybersecurity • Real Estate • Industrial Real Estate • 51-200 employees • Est. 2015 • Hiring 7, 1 new
HQ: Sofia, Bulgaria • Cybersecurity • Real Estate • Industrial Real Estate • 51-200 employees • Est. 2015 • Hiring 7, 1 new
OfficeRnD is a Bulgarian software company founded in 2015 and based in Sofia. Its platform manages flexible workspaces, coworking operations and hybrid office scheduling. The product is used by thousands of workspaces worldwide.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago 3 months ago Long shot · 14%

Senior Backend Developer

≈ $40k – $76k per year (Estimated) • Senior • 5+ years exp • In office (Sofia, Bulgaria) • Full-Time • Senior
Node JS
JavaScript
C#
TypeScript
C#
.NET
Databases
Redis
Frontend
Vue.js
Angular
React.js
DevOps
GCP
Azure
AWS
+4
Apply
Open 191 daysVerified live · 2 hours ago 6 months ago Long shot · 8%

Senior Full Stack Developer with Node.js

≈ $40k – $76k per year (Estimated) • Senior • 5+ years exp • In office (Sofia, Bulgaria) • Full-Time • Senior
Node JS
JavaScript
C#
TypeScript
C#
.NET
Databases
Redis
Frontend
Vue.js
Angular
React.js
DevOps
GCP
Azure
AWS
+4
Apply
Machines can read this selection · checked 02:50 UTC
Backend Developer Jobs in Sofia
Frequently asked questions
How many Backend Developer jobs in Sofia are available on Alion?
There are currently 73 active listings from 36 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Sofia pay?
The average salary is around $78,295 per year based on the current listings.
Are remote options available for Backend Developer jobs in Sofia?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Sofia?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.