Backend Developer Jobs in Cologne

Backend Developer jobs in Cologne hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $107,594/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Cologne
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Redcare Pharmacy

redcare-pharmacy.com
Redcare Pharmacy is a leading European online pharmacy company, best known as the parent organization of popular e-commerce platforms like Shop Apotheke. Headquartered in the Netherlands, it provides prescription and over-the-counter medications, wellness items, and personal care products directly to consumers across multiple European markets. By integrating digital health solutions with efficient logistics and e-prescription processing, the platform aims to make healthcare products and advice universally accessible to millions of customers.
redcare-pharmacy.com • Cologne • Aachen • Bonn • Essen • Dortmund • Commerce • Health Care • E-commerce Platforms • Pharmaceuticals • Est. 2015
Cologne • Aachen • Bonn • Essen • Dortmund • Commerce • Health Care • E-commerce Platforms • Pharmaceuticals • Est. 2015
$75k – $150k per year (Estimated) • Senior • Remote/Hybrid (Cologne, Germany) • Full-Time • Senior
JavaScript
Node JS
TypeScript
Node JS
BullMQ
Databases
RabbitMQ
Redis
Frontend
Formik
Material UI
Next.js
React.js
Mobile
Clean Architecture
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Brevo

brevo.com
Learn how Brevo ensures GDPR compliance for your business. Discover your data rights, customer data management tools, and how to protect personal information.
brevo.com • Paris • Austin • Noida • Berlin • Marketing Automation • Sales & Marketing • Email Marketing • 501-1000 employees
Paris • Austin • Noida • Berlin • Marketing Automation • Sales & Marketing • Email Marketing • 501-1000 employees
$50k – $96k per year (Estimated) • Senior • 5+ years expParis • Remote (France, Germany, India, United States) • Visa sponsorship • Bachelor's Degree • Internship • Senior
Go
PHP
Python
Marketing
Sendinblue
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Easybill

easybill.de
Easybill is a prominent cloud-based software provider that specializes in digital invoicing, quote management, and e-commerce automation solutions. The platform is designed to streamline administrative and financial workflows for freelancers, small business owners, and online retailers. Headquartered in Kaarst, Germany, the company delivers secure, GDPR-compliant tools tailored to support business operations primarily across the European market.
easybill.de • HQ: Kaarst, Germany • Software • Billing & Invoicing • 51-200 employees • Est. 2007
HQ: Kaarst, Germany • Software • Billing & Invoicing • 51-200 employees • Est. 2007
$69k – $144k per year (Estimated) • Senior • 1+ year expGermany • Remote (Germany) • Full-Time • Senior • German: C1
Java
Kotlin
Node JS
PHP
TypeScript
JavaScript
PHP
Symfony
Databases
MySQL
Frontend
Next.js
React.js
DevOps
GitHub
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Verified live · 9 hours ago 2 months ago

Senior Software Engineer Ruby on Rails 100 % remote (m/w/d)

$90k – $220k per year (Estimated) • Senior • Remote (Germany) • Full-Time • Senior • German: C1 • English: B2
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Databases
ElasticSearch
MinIO
MySQL
Redis
TiDB
AI/ML
ChatGPT
Claude
Claude Code
Frontend
React.js
DevOps
Docker
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Verified live · 9 hours ago 2 months ago

Senior Software Engineer (PHP, TypeScript, Node.js) m/w/d

$91k – $222k per year (Estimated) • Senior • Remote (Germany) • Full-Time • Senior • German: C1 • English: B2
Java
Kotlin
Node JS
PHP
TypeScript
JavaScript
PHP
Symfony
Databases
ElasticSearch
MinIO
MySQL
Redis
TiDB
AI/ML
Claude
Claude Code
Frontend
Next.js
React.js
DevOps
Docker
GitHub
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Juliusbaer

juliusbaer.com
Julius Baer is the international reference in wealth management, based on a solid Swiss heritage
juliusbaer.com • Luxembourg City • Zurich • Geneva • Frankfurt am Main • Basel • Financial Services • Asset Management • Wealth Management
Luxembourg City • Zurich • Geneva • Frankfurt am Main • Basel • Financial Services • Asset Management • Wealth Management
$69k – $194k per year (Estimated) • Middle • 3+ years exp • Remote (United Arab Emirates, Switzerland, Germany, Luxembourg) • Visa sponsorship • Bachelor's Degree • Middle
LLM
RAG
DevOps
CI/CD
Docker
Kubernetes
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$88k – $215k per year (Estimated) • Senior • 5+ years exp • Remote (United Arab Emirates, Switzerland, Germany, Luxembourg) • Visa sponsorship • Master's Degree • Contractor • Senior
C#
SQL
TypeScript
Databases
Apache Kafka
ElasticSearch
MS SQL
RabbitMQ
Frontend
GraphQL
DevOps
gRPC
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New Era Technology

neweratech.com
New Era Technology is a global managed technology service provider and systems integrator. The company delivers digital transformation, IT infrastructure, and enterprise technology solutions to over 20,000 businesses, healthcare organizations, educational institutions, and financial entities worldwide.
neweratech.com • HQ: Chicago, United States • Cloud Computing • Cybersecurity • Information Technology • 1001-5000 employees
HQ: Chicago, United States • Cloud Computing • Cybersecurity • Information Technology • 1001-5000 employees
Verified live · 3 hours ago 2 months ago

Full Stack Software Engineer

Remote
Java
Java
Spring Boot
Databases
Apache Kafka
DynamoDB
DevOps
AWS
AWS Lambda
CI/CD
Rest API
Amazon S3
API Gateway
Splunk
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Hygraph

hygraph.com
Michael and Daniel met in 2015 while working for a DAM company. They quickly realized that they share the same mindset on software development, keeping a close eye on the disruptive JavaScript technologies that came to life. A couple of weeks later, the idea of a GraphQL CMS came to their minds, so they built it.
hygraph.com • Berlin • Web Development • Software • Content Management Systems (CMS)
Berlin • Web Development • Software • Content Management Systems (CMS)
$71k – $147k per year (Estimated) • Senior • 6+ years expBerlin • Remote (Germany) • Full-Time • Senior
JavaScript
Node JS
TypeScript
Go
Databases
PostgreSQL
AI/ML
Claude
Cursor
OpenAI Codex
Frontend
GraphQL
React.js
DevOps
AWS
Datadog
GCP
New Relic
Pulumi
Terraform
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PlanetScale

planetscale.com
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess and Postgres.
planetscale.com • San Francisco • AI Infrastructure • Information Technology • Web Hosting
San Francisco • AI Infrastructure • Information Technology • Web Hosting
Open 402 daysTop 25% pay 1 year ago

Software Engineer - PlanetScale Vitess

$120k – $290k per year • Senior • 5+ years exp • Remote (EMEA) • Senior
C++
Go
Java
Python
Databases
MySQL
PostgreSQL
DevOps
AWS
Azure
GCP
Kubernetes
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Open 103 daysVerified live · 1 day ago 4 months ago

Software Engineer - PlanetScale Postgres

Senior • 5+ years exp • Remote (EMEA, United States) • Senior
Python
Ruby
Rust
Databases
PostgreSQL
DevOps
AWS
Azure
GCP
Kubernetes
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Top 25% payVerified live · 1 day ago 3 months ago

Software Engineer - Neki Orchestration

$120k – $290k per year • Senior • 5+ years expSan Francisco • Remote (EMEA, United States) • Senior
Go
Python
Ruby
Databases
MySQL
PostgreSQL
DevOps
AWS
Azure
GCP
Kubernetes
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Myedspace

myedspace.com
We're on a mission to make a world-class education truly accessible to all. Expert teachers, unbeatable value — now helping US students get ahead.
myedspace.com • London • Education • EdTech Platforms
London • Education • EdTech Platforms
Verified live · 12 hours ago 2 months ago

Senior Full-Stack Engineer

$66k – $188k per year (Estimated) • Senior • Remote (EU, Europe) • Full-Time • Senior
Java
Node JS
PHP
TypeScript
JavaScript
Frontend
React.js
DevOps
AWS
CI/CD
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cargovibe

cargovibe.de
cargovibe.de • Münster • Transportation & Logistics • Logistics • 11-50 employees
Münster • Transportation & Logistics • Logistics • 11-50 employees
2 months ago

Founding Engineer

$65k – $145k per year (Estimated) • Junior • 1+ year expMünster • Remote (Germany) • Full-Time • Junior
TypeScript
JavaScript
AI/ML
LLM
Frontend
React.js
Mobile
Expo
React Native
QA
Jest
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Open 117 days 4 months ago

Founding Engineer (all genders)

Remote (Germany) • Full-Time
TypeScript
JavaScript
AI/ML
LLM
Frontend
React.js
Mobile
Expo
React Native
DevOps
GitHub
QA
Jest
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Hugging Face

huggingface.co
Hugging Face is an American company, founded in 2016 and headquartered in New York, that runs the largest open platform for sharing machine learning models, datasets and demonstration applications. Its Hub hosts more than a million public models and is often described as the GitHub of machine learning, while its open-source libraries such as Transformers, Diffusers and Datasets are standard tools in research and production pipelines. The company earns revenue from paid Hub features, managed inference endpoints and enterprise deployments, and works with cloud and chip vendors to make open models easy to run anywhere.
huggingface.co • HQ: New York, United States • Software • MLOps • Machine Learning • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2016
HQ: New York, United States • Software • MLOps • Machine Learning • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2016
Verified live · 1 day ago 2 months ago

Low-level Senior Software Engineer, Xet Storage - EMEA Remote

$53k – $102k per year (Estimated) • Senior • Paris • Remote (EMEA) • Master's Degree • Full-Time • Senior
C++
Go
Python
Rust
TypeScript
AI/ML
Gradio
Hugging Face
DevOps
GitHub
AWS
Azure
GCP
Kubernetes
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Boldin

boldin.com
Boldin (formerly known as NewRetirement) is a financial technology company providing a collaborative financial planning and retirement modeling SaaS platform. Designed to bridge the gap between simple retirement calculators and traditional wealth management firms, the software delivers comprehensive accumulation and decumulation scenario planning for individual investors. Its proprietary modeling engine enables users to run Monte Carlo simulations, aggregate net worth data, optimize tax and Roth conversion strategies, analyze Social Security timing, and forecast healthcare and real estate costs.
boldin.com • Personal Finance • Wealth Management • Financial Services
Personal Finance • Wealth Management • Financial Services
Verified live · 8 hours ago 2 months ago

Full Stack Engineer

$67k – $191k per year (Estimated) • Middle • 4+ years exp • Remote • Full-Time • Middle
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Sidekiq
Databases
PostgreSQL
Frontend
React.js
Material UI
Redux
SWR
Yarn
DevOps
AWS
Marketing
ActiveCampaign
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Mimica

mimica.ai
Mimica watches you work and learns to automate your most repetitive tasks. Its research and tech are backed by Entrepreneur First, Europe's most successful accelerator and seed fund.
mimica.ai • HQ: London, United Kingdom • AI Agents • Software • Business Process Automation (BPA) • 201-500 employees
HQ: London, United Kingdom • AI Agents • Software • Business Process Automation (BPA) • 201-500 employees
Verified live · 1 day ago 2 months ago

Staff/Senior Backend Engineer (Node.js)

$128k – $212k per year (Estimated) • Equity • Staff+ • 8+ years expDublinTorontoLondonAmsterdamWarsaw • Remote (United Kingdom, Germany, Brazil, Canada, Czech Republic) • Full-Time • Staff
JavaScript
Node JS
TypeScript
Databases
PostgreSQL
DevOps
Docker
Kubernetes
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Parity Technologies is a core Web3 and blockchain infrastructure development firm best known for building foundational technologies for the Polkadot ecosystem. Founded in 2015 by Ethereum co-founder Gavin Wood and Jutta Steiner, the company initially developed Parity Ethereum before pivoting to pioneer multi-chain interoperability. Parity created Substrate, a modular open-source framework that allows developers to build custom blockchains, and spearheaded the technical development of Polkadot - a decentralized protocol connecting heterogeneous blockchain networks.
parity.io • Berlin • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure
Berlin • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure
Verified live · 12 hours ago 2 months ago

Core Developer - Node

Remote (Germany) • Contractor
Polkadot
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I Am Here

iamheretribe.com
I Am Here is part of the Pulse Learning Group and provides evidence-based mental health and wellbeing solutions aimed at improving employee health, productivity, and engagement. As the partner of choice for businesses seeking to create safe and productive teams, I Am Here delivers solutions that are easy to use, measurable, and effective. The program encourages the use of Employee Assistance Programs and helps cultivate mentally healthy workplaces through compassionate connections and conversations.
iamheretribe.com • Toronto • Wellness Programs • Health Care • Mental Health
Toronto • Wellness Programs • Health Care • Mental Health
$68k – $191k per year (Estimated) • Middle • 3+ years exp • Remote (EMEA, United States, Canada) • Bachelor's Degree • Contractor • Middle
C#
C++
Go
Java
Python
Rust
SQL
TypeScript
AI/ML
AI Agents
DevOps
AWS
CI/CD
CloudFormation
Docker
Kubernetes
Terraform
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HappyRobot

happyrobot.ai
Autonomous AI workers that communicate, coordinate, and operate at scale across the real economy.
happyrobot.ai • Logistics • Artificial Intelligence • AI Agents • Est. 2023
Logistics • Artificial Intelligence • AI Agents • Est. 2023
$65k – $146k per year (Estimated) • Junior • 1+ year expGermany • Remote (Germany) • Full-Time • Junior
Node JS
Python
TypeScript
JavaScript
AI/ML
LLM
Frontend
React.js
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OP Labs

oplabs.co
OP Labs PBC is a software development company that contributes to the Optimism protocol, a layer two blockchain solution designed to scale the Ethereum network. The organization focuses on technology that enables faster and more scalable smart contract transactions while supporting mechanisms for funding public goods.
oplabs.co • New York • Cryptocurrencies • Blockchain & Crypto
New York • Cryptocurrencies • Blockchain & Crypto
Verified live · 1 day ago 2 months ago

Senior Software Engineer, Protocol (Rust)

$100k – $243k per year (Estimated) • Senior • Remote • Full-Time • Senior
Rust
Solidity
Web3
Account Abstraction
Ethereum
Layer 2
OP Stack
Optimism
Smart Contracts
Uniswap
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Cadence

cadence.com
Cadence is a leading EDA and Intelligent System Design provider delivering hardware, software, and IP for electronic design.
cadence.com • Munich • Belo Horizonte • Wireless • Hardware • Data Science
Munich • Belo Horizonte • Wireless • Hardware • Data Science
2 months ago

Software Engineer II

$66k – $186k per year (Estimated) • Middle • Remote (Germany, Brazil) • Visa sponsorship • Master's Degree • TS/SCI • Middle
C++
Python
DevOps
Azure DevOps
Azure
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Bjak

bjak.my
Bjak is a Malaysia-based insurtech company founded in 2019. It operates Southeast Asia's largest online insurance platform, letting users compare, buy, and renew insurance policies digitally. The company is headquartered in Petaling Jaya and focuses on making insurance more accessible and convenient.
bjak.my • HQ: Petaling Jaya, Malaysia • Financial Services • FinTech • Insurance • Est. 2019
HQ: Petaling Jaya, Malaysia • Financial Services • FinTech • Insurance • Est. 2019
2 months ago

Full Stack Engineer

$71k – $165k per year (Estimated) • Remote (Germany) • Visa sponsorship • Bachelor's Degree
JavaScript
Frontend
Next.js
React.js
Vue.js
Apply
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Zencoder

zencoder.ai
About us We are changing the way developers work Zencoder started with a question: what if software could do the repetitive work it's only been tracking? We're a team of 70+ engineers, researchers, and builders trying to answer it.
zencoder.ai • AI Agents • Artificial Intelligence
AI Agents • Artificial Intelligence
Open 109 daysVerified live · 1 day ago 4 months ago

Staff Software Engineer

$117k – $243k per year (Estimated) • Equity • Staff+ • 10+ years exp • Remote (Europe) • Staff
JavaScript
Kotlin
AI/ML
AI Agents
DevOps
AWS
CI/CD
GCP
Shift-Left
Cybersecurity
Shift-Left Security
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Open 292 daysVerified live · 1 day ago 10 months ago

Senior Software Engineer

$69k – $195k per year (Estimated) • Equity • Senior • 10+ years exp • Remote (Europe) • Senior
Java
Kotlin
TypeScript
AI/ML
AI Agents
Apply
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Chrono24

chrono24.com
Chrono24 is an online marketplace focused on buying and selling luxury watches. It helps solve a set of practical problems that come with high value items, namely trust, discovery, and the complexity of cross border transactions. For buyers, the platform brings together a large catalogue of new and pre owned watches in one place, with tools to compare listings and assess sellers.
chrono24.com • Berlin • Karlsruhe • Miami • Los Angeles
Berlin • Karlsruhe • Miami • Los Angeles
Verified live · 10 hours ago 2 months ago

(Senior) Java Developer (m/f/d)

$68k – $141k per year (Estimated) • Senior • Remote (Germany) • Full-Time • Senior
Java
SQL
Java
Gradle
Maven
Databases
MySQL
DevOps
CI/CD
GitLab CI
GitLab
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Backend Developer Jobs in Cologne
Frequently asked questions
How many Backend Developer jobs in Cologne are available on Alion?
There are currently 7 active listings from 5 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Cologne pay?
The average salary is around $107,594 per year based on the current listings.
Are remote options available for Backend Developer jobs in Cologne?
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 Cologne?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.