Backend Developer Jobs in Bucharest

Backend Developer jobs in Bucharest hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $66,331/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Bucharest
AI/ML
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Quantum

Cohere

cohere.com
Cohere is a Canadian AI company founded in 2019 and headquartered in Toronto. It builds secure, enterprise-focused large language models and AI tools for businesses and regulated industries. The company is known for emphasizing privacy, private deployment, and "sovereign AI" rather than consumer chat products
cohere.com • HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
Verified live · 3 hours ago 3 months ago

Software Engineer, North for Finance

Remote (EU, Europe, United States, Canada) • Full-Time
AI Agents
Edge AI
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Welltech

welltech.com
Welltech is about creating mobile applications that improve the Health of Millions of People around the World! The main distinguishing feature of our People is their desire to constantly grow, develop and learn new things. We currently have 500+ p...
welltech.com • Information Technology • 201-500 employees
Information Technology • 201-500 employees
Verified live · 10 hours ago 3 months ago

Senior Fullstack Engineer, Cross-platform

Senior • Remote (Bulgaria, Hungary, Romania, Armenia, Estonia) • Full-Time • Senior
TypeScript
JavaScript
Node JS
AI/ML
AI Agents
Frontend
React.js
Mobile
React Native
Exoplayer
DevOps
CI/CD
Trunk-Based Development
Analytics
A/B Testing
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METRO

metro.com
METRO is a leading international food wholesaler and cash-and-carry operator that primarily serves independent businesses in the hospitality industry (hotels, restaurants, and caterers) as well as small traders. The company operates a global network of large wholesale stores alongside expanding digital e-commerce platforms and dedicated delivery services. By combining large-scale distribution, digital procurement solutions, and tailored professional products, it helps business owners optimize their supply chains and manage daily operational needs.
metro.com • Pune • Bucharest • Nanterre • Delft • Munich • Health Care • Manufacturing • 5000+ employees • Est. 1929
Pune • Bucharest • Nanterre • Delft • Munich • Health Care • Manufacturing • 5000+ employees • Est. 1929
Verified live · 1 hour ago 3 months ago

Backend Engineer (Scala) - Identity & Access Management (IDAM)

$32k – $41k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Bucharest, Romania) • Full-Time • Senior • English
Java
Scala
SQL
Scala
Play Framework
Databases
PostgreSQL
Apache Kafka
DevOps
Docker
GCP
Kubernetes
Terraform
CI/CD
Datadog
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Open 188 daysVerified live · 1 hour ago 7 months ago

Full Stack Engineer – Coupon & Voucher in the Marketing Platform

$32k – $40k per year (Estimated) • Senior • 5+ years expIn office (Bucharest, Romania) • Full-Time • Senior • English: C1
Bash
Java
Perl
Python
Java
Hibernate
Spring Boot
Databases
Apache Kafka
PostgreSQL
Frontend
Redux
DevOps
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
OpenStack
Packer
Rest API
Terraform
GitHub
Apply
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Trinetix

trinetix.com
Trinetix is a globally trusted digital partner. We help Fortune 500 companies and fast-growing brands create a better digital future by setting impactful ideas in motion.
trinetix.com • HQ: Kyiv, Ukraine • Information Technology • IT Consulting • Software • 501-1000 employees • Est. 2011
HQ: Kyiv, Ukraine • Information Technology • IT Consulting • Software • 501-1000 employees • Est. 2011
Verified live · 3 hours ago 3 months ago

AI Senior Full Stack Developer (.NET & Angular)

$60k – $92k per year (Estimated) • Senior • Remote (Germany, Poland, Romania, Spain, Ukraine) • Full-Time • Senior • English • Spanish (Optional)
C#
TypeScript
JavaScript
C#
.NET
AI/ML
ChatGPT
Claude
Copilot
Cursor
Windsurf
AI Agents
Prompt Engineering
RAG
Model Context Protocol
Frontend
Angular
DevOps
Rest API
GitHub
AWS
Azure
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Siena AI

siena.cx
Siena AI is a pioneering autonomous customer service platform for commerce, blending human empathy with advanced LLM-powered automation to transform customer engagement for brands like K18, Kitsch, and Simple Modern.
siena.cx • New York • London • Austin • Toronto • Boston • AI Agents • Commerce • Artificial Intelligence • 201-500 employees
New York • London • Austin • Toronto • Boston • AI Agents • Commerce • Artificial Intelligence • 201-500 employees
Verified live · 9 hours ago 3 months ago

Staff Software Engineer

$77k – $161k per year (Estimated) • Equity • Staff+ • 7+ years exp • Remote (United Kingdom, Argentina, Brazil, Romania) • Full-Time • Staff
Node JS
TypeScript
JavaScript
Python
Databases
PostgreSQL
Redis
AI/ML
LLM
ChatGPT
Claude
Cursor
Perplexity
Lovable
Frontend
React.js
Next.js
DevOps
Amazon EC2
AWS
AWS Fargate
AWS Lambda
CI/CD
GitHub Actions
GitHub
Terraform
Management
Slack
Apply
Verified live · 9 hours ago 3 months ago

Senior Fullstack Engineer

$51k – $117k per year (Estimated) • Equity • Senior • 5+ years exp • Remote (United Kingdom, Argentina, Brazil, Romania) • Full-Time • Senior
Node JS
TypeScript
JavaScript
Python
Databases
PostgreSQL
Redis
AI/ML
LLM
ChatGPT
Claude
Cursor
Perplexity
Lovable
Frontend
React.js
Next.js
DevOps
Amazon EC2
AWS
AWS Fargate
AWS Lambda
CI/CD
GitHub Actions
GitHub
Terraform
Management
Slack
Apply
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Playson

playson.com
Playson is a renowned digital entertainment supplier, founded in 2012, which has developed worldwide recognition in the iGaming industry. We operating across 27 regulated markets and partnering with more than 200 operators worldwide. The company offers a diverse portfolio of online casino games, combining engaging math models with high-quality design and immersive gameplay experiences.
playson.com • HQ: Warsaw, Poland • Game Development • Gaming • iGaming & Gambling
HQ: Warsaw, Poland • Game Development • Gaming • iGaming & Gambling
Verified live · 1 day ago 3 months ago

Senior Software Engineer (Game Engine)

Senior • Remote (EU) • Full-Time • Senior • English: B2 • Ukrainian (Optional)
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DevOps
AWS
gRPC
Kubernetes
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Open 434 daysVerified live · 1 day ago 1 year ago

Senior Backend Engineer (Boosters)

Senior • Remote (EU) • Bachelor's Degree • Full-Time • Senior
C#
C++
Go
Java
Node JS
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DynamoDB
MySQL
NATS
PostgreSQL
RabbitMQ
DevOps
AWS
Azure
GCP
gRPC
Kubernetes
Chips/EDA
PoC Library
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Open 501 dayVerified live · 1 day ago 1 year ago

Senior Backend Engineer (Core Team)

Senior • Remote (EU, Ukraine) • Full-Time • Senior
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
DynamoDB
MySQL
PostgreSQL
Redis
ClickHouse
AI/ML
Claude
Claude Code
Cursor
DevOps
AWS
gRPC
Kubernetes
GCP
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Constructor

constructor.io
Founded in 2015, Constructor is an AI-powered search and product discovery platform built specifically for enterprise e-commerce businesses. The company utilizes real-time clickstream data and machine learning to deliver personalized product recommendations, site search results, and category browse experiences. By optimizing search outcomes for key retail metrics like revenue and conversion rather than simple keyword matching, it helps major online retailers increase sales and improve customer retention.
constructor.io • HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
Verified live · 1 day ago 3 months ago

Senior Backend Engineer: Recommendations

$80k – $120k per year • Senior • Remote (EMEA) • Full-Time • Senior • English: B2
Python
Rust
DevOps
AWS
Azure
CI/CD
CloudFormation
GCP
GitHub Actions
Grafana
Jenkins
PagerDuty
Prometheus
Terraform
Amazon CloudWatch
GitHub
Analytics
A/B Testing
Apply
Verified live · 1 day ago 3 months ago

Backend Engineer: Ranking

$80k – $120k per year • Remote (EMEA) • Full-Time • English: B2
Python
Rust
AI/ML
Feature Store
DevOps
CloudFormation
Terraform
AWS
Azure
CI/CD
GCP
Apply
Verified live · 1 day ago 4 months ago

Senior Backend Engineer: Attribute Enrichment

$80k – $120k per year • Senior • 5+ years exp • Remote (EMEA) • Full-Time • Senior • English: B2
Python
Go
Rust
DevOps
AWS
CI/CD
GitHub Actions
Grafana
Jenkins
PagerDuty
Prometheus
Amazon CloudWatch
GitHub
QA
Pytest
Apply
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Codurance

codurance.com
Codurance is a global software consultancy firm focused on helping businesses modernize their technical capabilities and build sustainable growth. With a dedication to Software Craftsmanship, Codurance emphasizes professionalism and technical excellence in software development. The company offers a range of services, including software modernization, product development, and cloud engineering, tailored to help clients solve complex challenges and achieve their business goals.
codurance.com • Barcelona • London • Leeds • Manchester • São Bernardo do Campo • IT Consulting • Information Technology • Software
Barcelona • London • Leeds • Manchester • São Bernardo do Campo • IT Consulting • Information Technology • Software
Open 92 daysVerified live · 1 day ago 3 months ago

Senior Fullstack Consultant

$47k – $70k per year • Senior • 8+ years expBarcelona • Remote (EU) • Relocation • Visa sponsorship • Full-Time • Senior • Spanish
C#
Clojure
JavaScript
Kotlin
PHP
Python
Ruby
Scala
DevOps
AWS
Azure
CI/CD
GCP
Apply
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Solidgate

solidgate.com
Solidgate is a financial technology company headquartered in London, United Kingdom, and founded in 2018. The company provides a payment orchestration platform that enables businesses to manage multiple payment service providers, optimize transaction routing, and handle subscription billing, fraud prevention, and tax calculation. It serves global clients in the software-as-a-service and e-commerce sectors, offering infrastructure that supports card acquiring, alternative payment methods, and multi-currency treasury operations.
solidgate.com • HQ: London, United Kingdom • Commerce • Fraud Detection • Cybersecurity • Billing & Invoicing • Software • FinTech • Financial Services • Payments • 201-500 employees • Est. 2018
HQ: London, United Kingdom • Commerce • Fraud Detection • Cybersecurity • Billing & Invoicing • Software • FinTech • Financial Services • Payments • 201-500 employees • Est. 2018
Open 94 daysVerified live · 1 hour ago 4 months ago

Mid/Senior Backend Engineer

$66k – $188k per year (Estimated) • Senior • 10+ years expWarsawLviv • Remote (Europe) • Full-Time • Senior
Node JS
SQL
TypeScript
JavaScript
Go
Kotlin
Databases
Apache Kafka
MySQL
PostgreSQL
RabbitMQ
Frontend
tRPC
DevOps
CI/CD
Loki
VictoriaMetrics
Grafana
AWS
Docker
GitHub Actions
GitLab CI
Terraform
GitHub
GitLab
QA
Cypress
Jest
Vitest
Apply
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Amplemarket

amplemarket.com
Amplemarket combines buying signal data with artificial intelligence copywriting to run outbound sales campaigns. Founded in 2018 by Portuguese engineers, it covers prospecting, sequencing and deliverability in one system. Its Duo agents research accounts and draft personalised outreach automatically.
amplemarket.com • HQ: San Francisco, United States • Code Intelligence • Branding • Artificial Intelligence • Est. 2018
HQ: San Francisco, United States • Code Intelligence • Branding • Artificial Intelligence • Est. 2018
Open 1466 daysVerified live · 1 hour ago 4 years ago

Fullstack Software Engineer

Equity • Remote (LATAM, Europe) • Cofounder
Ruby
Ruby
Ruby on Rails
Databases
ElasticSearch
PostgreSQL
Redis
AI/ML
NLP
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Open 1466 daysVerified live · 1 hour ago 4 years ago

Senior Backend Software Engineer

Equity • Senior • Remote (LATAM, EMEA, North America) • Cofounder • Senior
Ruby
Ruby
Ruby on Rails
Databases
ElasticSearch
PostgreSQL
Redis
AI/ML
NLP
Apply
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Dash0

dash0.com
Dash0 is an OpenTelemetry-native observability and software reliability platform headquartered in San Francisco, California. Founded by observability industry veterans, the company provides an advanced monitoring, logging, tracing, and AI-driven troubleshooting ecosystem built entirely on open-source standards.
dash0.com • HQ: San Francisco, United States • Media & Entertainment • Data & Analytics • Log Analytics • Data Visualization • Books • Est. 2023
HQ: San Francisco, United States • Media & Entertainment • Data & Analytics • Log Analytics • Data Visualization • Books • Est. 2023
Open 104 daysVerified live · 1 day ago 4 months ago

Staff Product Engineer, Backend (Go, Java)

Equity • Staff+ • Remote (EU, Europe) • Full-Time • Staff
Go
Java
AI/ML
AI Agents
DevOps
OpenTelemetry
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Point Wild

pointwild.com
Point Wild is a strategic creative agency and consultancy that specializes in brand design, digital storytelling, and immersive content creation. The company collaborates with brands, organizations, and cultural initiatives to craft distinct visual identities and engaging narrative experiences across digital platforms. By combining design thinking with creative production, it helps clients elevate their market presence and build meaningful connections with their audiences.
pointwild.com • Warsaw • Pune • Internet Services • Internet Security Services • Information Security • Cybersecurity
Warsaw • Pune • Internet Services • Internet Security Services • Information Security • Cybersecurity
Open 110 daysVerified live · 2 days ago 4 months ago

Backend Architect - Golang

Staff+ • 8+ years exp • Remote (Romania, United States) • Bachelor's Degree • Architect
Go
Java
Python
Databases
Amazon Aurora
Mobile
Clean Architecture
DevOps
Amazon EC2
Amazon EKS
AWS
Docker
Kubernetes
Amazon S3
Grafana
OpenTelemetry
Prometheus
Cybersecurity
Threat Modeling
Apply
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Signicat

signicat.com
Signicat is a Norwegian technology company founded in 2007 and based in Trondheim. Its platform provides digital identity, signing and onboarding across Europe. The service connects to dozens of national identity schemes.
signicat.com • HQ: Trondheim, Norway • Fraud Detection • Information Technology • Cybersecurity • 501-1000 employees • Est. 2007
HQ: Trondheim, Norway • Fraud Detection • Information Technology • Cybersecurity • 501-1000 employees • Est. 2007
$32k – $40k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Bucharest, Romania) • Full-Time • Senior
Java
Kotlin
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
Frontend
Angular
DevOps
AWS
CI/CD
Docker
GCP
Kubernetes
GitLab
Apply
Report

Lago

getlago.com
Scale your AI or tech business with Lago: event-driven usage metering, hybrid pricing-ready, open-source + cloud — build fast, bill accurately.
getlago.com • HQ: Mexico City, Mexico • Financial Services • Software • Billing & Invoicing • 51-200 employees
HQ: Mexico City, Mexico • Financial Services • Software • Billing & Invoicing • 51-200 employees
Open 112 daysVerified live · 29 min ago 4 months ago

Full Stack Developer (Shopify/Hydrogen)

Remote (Croatia, Poland, Romania, Serbia) • Full-Time
Python
JavaScript
Python
Django
Databases
PostgreSQL
Frontend
GraphQL
React Router
React.js
Mobile
Algolia
DevOps
CI/CD
Apply
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Udacity

udacity.com
Udacity is an online education company headquartered in Emeryville, California, and founded in 2011 by Sebastian Thrun, David Stavens, and Mike Sokolsky after a free Stanford artificial intelligence course. The company sells Nanodegree programs in areas such as programming, data science, artificial intelligence, cloud computing, and autonomous systems, built together with industry partners. It shifted toward enterprise and government reskilling contracts and was acquired by Accenture in 2024.
udacity.com • HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
$149k – $280k per year (Estimated) • Staff+ • 5+ years exp • Remote (MENA, APAC, Europe, United States, Canada) • Visa sponsorship • Contractor • Architect • English: C1
Pytest
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Huzzle

huzzle.app
Huzzle is an early careers platform connecting students, societies, and employers. Starting out as a CRM for pre-professional student societies, Huzzle has evolved into the university career companion used by over 100,000 talents in the UK.
huzzle.app • HQ: London, United Kingdom • Professional Services • Education • Human Resources • 1001-5000 employees
HQ: London, United Kingdom • Professional Services • Education • Human Resources • 1001-5000 employees
Open 123 daysVerified live · 3 hours ago 4 months ago

Full Stack Engineer

Middle • 3+ years exp • Remote (Croatia, Hungary, Romania, Serbia, Georgia) • Full-Time • Middle
JavaScript
Node JS
Python
Ruby
SQL
TypeScript
Frontend
Next.js
React.js
DevOps
AWS
Azure
GCP
Git
CI/CD
Docker
Kubernetes
QA
Cypress
Jest
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Open 133 daysVerified live · 3 hours ago 5 months ago

Senior Fullstack Engineer - TypeScript / Next.js / Supabase

Senior • 4+ years exp • Remote (Croatia, Hungary, Romania, Serbia, Georgia) • Full-Time • Senior
TypeScript
JavaScript
Databases
PostgreSQL
Supabase
AI/ML
Edge AI
Frontend
Next.js
React.js
Mobile
Clean Architecture
DevOps
Git
Rest API
Cybersecurity
HIPAA
Apply
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Flosum

flosum.com
Flosum is a Salesforce-native DevOps and deployment platform built for enterprise teams. Automate releases, improve governance, and deploy faster with confidence.
flosum.com • HQ: San Ramon, United States • Software • Information Technology • DevOps
HQ: San Ramon, United States • Software • Information Technology • DevOps
Verified live · 1 day ago 5 months ago

Senior Node.js Developer (Romania)

$32k – $40k per year (Estimated) • Senior • 5+ years exp • Remote (Romania) • Senior
Apex
Node JS
SQL
TypeScript
JavaScript
Apex
Lightning Web Components
Visualforce
Frontend
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Cybersecurity
FedRAMP
GDPR
HIPAA
SOC 2
Marketing
Salesforce
Apply
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Supabase

supabase.io
Supabase is an open-source backend-as-a-service company headquartered in San Francisco, California, and founded in 2020. The company provides a suite of development tools built on top of PostgreSQL, including database management, user authentication, edge functions, real-time data synchronization, and vector storage for machine learning applications. Operating as a remote-first organization, it serves a global community of developers and enterprises by offering a scalable alternative to proprietary cloud platforms through its integrated suite of open-source technologies.
supabase.io • HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
Verified live · 3 hours ago 5 months ago

Software Engineer - Auth

$69k – $194k per year (Estimated) • Equity • Middle • 4+ years exp • Remote • Full-Time • Middle
Go
TypeScript
Python
PHP
JavaScript
Ruby
Ruby
Ruby on Rails
Python
Django
PHP
Laravel
Databases
MySQL
PostgreSQL
Supabase
Frontend
Next.js
React.js
DevOps
Vector
GitHub
AWS
Grafana
Kubernetes
OpenTelemetry
Prometheus
Apply
Verified live · 3 hours ago 7 months ago

Postgres Engineer

Equity • Remote • Full-Time
Rust
Databases
PostgreSQL
Supabase
Apply
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Morpho

morpho.org
Morpho is a decentralised lending protocol founded in 2021 by a team based in Paris. It replaces monolithic lending pools with minimal, immutable markets that anyone can configure, layering curated vaults on top for passive depositors. The protocol is used by fintech applications and exchanges to embed crypto-backed lending without operating their own credit infrastructure.
morpho.org • HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
Open 152 daysVerified live · 3 hours ago 5 months ago

Staff Backend Engineer

$75k – $157k per year (Estimated) • Staff+ • 10+ years expParis • Remote (Europe) • Full-Time • Staff
TypeScript
Databases
PostgreSQL
Frontend
GraphQL
Web3
DeFi
Morpho
Apply
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Brillio

brillio.com
Brillio is a global digital technology consulting and services firm headquartered in Edison, New Jersey, and founded in 2014. The company provides a range of services including artificial intelligence engineering, data analytics, cloud infrastructure management, and product design to help enterprises modernize their digital operations. Operating across North America, Europe, and Asia, the firm serves clients in sectors such as financial services, healthcare, and retail through a network of global delivery centers and strategic technology partnerships.
brillio.com • HQ: Edison, United States • Software • Cloud Computing • Data Engineering • Data & Analytics • LLM & Generative AI • Artificial Intelligence • IT Consulting • Information Technology • Est. 2014
HQ: Edison, United States • Software • Cloud Computing • Data Engineering • Data & Analytics • LLM & Generative AI • Artificial Intelligence • IT Consulting • Information Technology • Est. 2014
Verified live · 1 hour ago 5 months ago

Senior Fullstack Developer (Java + React) - R01563758

$30k – $37k per year (Estimated) • Senior • 6+ years expBucharest • Remote (Romania) • Senior
Java
SQL
JavaScript
Java
Spring Boot
Databases
Apache Kafka
RabbitMQ
Frontend
React.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
Rest API
Cybersecurity
PCI DSS
Apply
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Backend Developer Jobs in Bucharest
Frequently asked questions
How many Backend Developer jobs in Bucharest are available on Alion?
There are currently 122 active listings from 37 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Bucharest pay?
The average salary is around $66,331 per year based on the current listings.
Are remote options available for Backend Developer jobs in Bucharest?
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 Bucharest?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.