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 $97,222/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Cologne
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MedTech
Science

Interzero

interzero.de
interzero.de • HQ: Berlin, Germany • Plastics & Polymers • Waste Management • Hiring 3
HQ: Berlin, Germany • Plastics & Polymers • Waste Management • Hiring 3
Interzero is a German environmental services company working on closing product, material and logistics cycles, with plastics recycling and the largest sorting capacity in Europe according to its own description. Its software team in Cologne hires back-end PHP and AI engineers. The company is headquartered in Berlin, Germany.
Yi Guo Tel · Geschäftsführung · decision-maker
Claudia Wegener · Geschäftsführung · decision-maker
Jan Kroker · Geschäftsführung · decision-maker
Careers mailbox is known
≈ $63k – $111k per year (Estimated) • Senior • Hybrid (Cologne, Germany) • Senior
PHP
JavaScript
SQL
PHP
Laravel
Magento
Databases
MariaDB
DevOps
Git
Apply

Improfy

improfy.de
improfy.de • HQ: Cologne, Germany • Vocational Education • Career Services • Hiring 1
HQ: Cologne, Germany • Vocational Education • Career Services • Hiring 1
Improfy is a German provider of measures that integrate unemployed people into the labour market, with a particular focus on migrants. Its programmes include 4Steps, All Care and Turbofy, offered at locations such as Cologne, Stuttgart, Hamburg, Berlin, Frankfurt and Mannheim. The company is headquartered in Cologne, Germany.
Masoud Payinda · Geschäftsführer · decision-maker
Careers mailbox is known
26 days ago Fading · 31%

Softwareentwickler/in (m/w/d)

≈ $62k – $119k per year (Estimated) • In office (Cologne, Germany) • Part-Time
C#
JavaScript
Python
Apply
Report

Accso

accso.de
accso.de • Munich • Frankfurt am Main • Darmstadt • Cologne • AI Consulting & Integration • IT Consulting & Digital Transformation • Custom Software Development • 201-500 employees • Hiring 26, 2 new
Munich • Frankfurt am Main • Darmstadt • Cologne • AI Consulting & Integration • IT Consulting & Digital Transformation • Custom Software Development • 201-500 employees • Hiring 26, 2 new
Accso is a German IT consultancy and software house specialising in artificial intelligence, software development and digital transformation. It runs consulting and development projects for large German clients such as AXA, BMW, Deutsche Bahn and ZDF, applies agentic AI in engineering, and hires Java and full-stack engineers in Darmstadt, Cologne, Munich, Frankfurt and Cape Town. The company is based in Germany.
Tim Bölsche · Geschäftsführung · decision-maker
Jürgen Artmann · Geschäftsführung · decision-maker
Careers mailbox is known
Verified live · 1 hour ago 27 days ago Likely open · 52%

Fullstack Entwickler Java*

$60k – $76k per year • Hybrid (Cologne, Germany) • German: C1 • English: B2
Kotlin
Java
TypeScript
JavaScript
Frontend
Vue.js
Angular
React.js
Management
Scrum
Apply
Verified live · 1 hour ago 27 days ago Likely open · 62%

Senior Java Engineer*

$69k – $81k per year • Senior • Hybrid (Cologne, Germany) • Senior • German: C1 • English: B2
Kotlin
JavaScript
Java
Java
Maven
Gradle
Mobile
JUnit
Management
Scrum
Apply
Verified live · 1 hour ago 27 days ago Likely open · 62%

Senior Software Engineer* Agentic AI

$69k – $96k per year • Senior • Hybrid (Cologne, Germany) • Senior • German: C1 • English: B2
TypeScript
Java
Python
AI/ML
Embeddings
Function Calling
Semantic Kernel
A2A
Structured Outputs
LLM Guardrails
LangChain
Model Context Protocol
Claude
Copilot
RAG
AI Agents
+7
Apply

Munich Re

munichre.com
munichre.com • HQ: Munich, Germany • Life Insurance & Annuities • Property & Casualty Insurance • Reinsurance • 1001-5000 employees • Est. 1880 • Trust B • Hiring 1131, 27 new
HQ: Munich, Germany • Life Insurance & Annuities • Property & Casualty Insurance • Reinsurance • 1001-5000 employees • Est. 1880 • Trust B • Hiring 1131, 27 new
Munich Re is a German reinsurance and insurance group headquartered in Munich, providing reinsurance, primary insurance and insurance-related risk solutions to clients worldwide. Founded in 1880 and listed in the DAX, it is the largest reinsurer in the world, and its group includes the primary insurer ERGO, the asset manager MEAG, Hartford Steam Boiler, Munich Re Specialty and Munich Reinsurance America. Recent openings span treaty and liability underwriters, technical accountants, financial risk analysts, credit controllers, software engineers and interns, as well as insurance sales apprentices and agents for ERGO in Germany.
Christof Reinert · Managing Directors · decision-maker
Florian Niklas · Managing Directors · decision-maker
Careers mailbox is known
Verified live · 2 hours ago 28 days ago Likely open · 47%

Software Engineer - Health Policy Contracts (m/w/d)

≈ $71k – $137k per year (Estimated) • In office (Cologne, Germany) • Full-Time • German: C1
Apply
Open 328 daysVerified live · 2 hours ago 10 months ago Long shot · 5%

Software Engineer - Input Management (m/w/d)

≈ $72k – $126k per year (Estimated) • Senior • 5+ years exp • In office (Cologne, Germany) • Full-Time • Senior • German: B2 • English: B2
C#
Java
SQL
C#
.NET
DevOps
Rest API
Git
Apply

SKR Reisen

skr.de
skr.de • HQ: Cologne, Germany • Adventure Tourism • Tour Operators • Trust B • Hiring 14
HQ: Cologne, Germany • Adventure Tourism • Tour Operators • Trust B • Hiring 14
SKR Reisen is a German tour operator that arranges special trips in small groups of at most 12 to 16 guests to Asia, the Orient, Africa, the Americas, Oceania, Europe and Germany. Its job ads cover travel specialists and junior sales managers, a working student for general advice at a sustainable tour operator and a chief of staff. The company is headquartered in Cologne, Germany.
Philip Unrein · Geschäftsführer · decision-maker
Christoph Albrecht · Geschäftsführer · decision-maker
Thomas Müller · Geschäftsführer · decision-maker
Careers mailbox is known
Verified live · 3 hours ago 30 days ago Fading · 26%

(Junior) Fullstack Developer (m/w/d)

≈ $54k – $117k per year (Estimated) • Junior • Hybrid (Cologne, Germany) • Full-Time • Junior • German: C1
Node JS
JavaScript
Databases
MS SQL
PostgreSQL
AI/ML
Claude Code
DevOps
Azure
Apply

Catapult Sports

catapult.com
catapult.com • HQ: Melbourne, Australia • Sports Wearables • Sports Analytics • 501-1000 employees • Est. 2006 • Trust A • Hiring 21
HQ: Melbourne, Australia • Sports Wearables • Sports Analytics • 501-1000 employees • Est. 2006 • Trust A • Hiring 21
Catapult builds athlete monitoring wearables and performance analytics. Its systems track movement load and video for elite teams. The company works with thousands of sports organisations worldwide.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 1 month ago Hiring now · 81%

Senior Software Engineer

≈ $62k – $110k per year (Estimated) • Senior • 5+ years exp • In office (Cologne, Germany) • Senior
Kotlin
TypeScript
JavaScript
SQL
Java
Java
Spring Boot
Frontend
Angular
DevOps
Git
Apply
cgm.com • HQ: Koblenz, Germany • Practice Management Software • EHR & Clinical Software • 5000+ employees • Est. 1987 • Trust B • Hiring 197, 12 new
HQ: Koblenz, Germany • Practice Management Software • EHR & Clinical Software • 5000+ employees • Est. 1987 • Trust B • Hiring 197, 12 new
CompuGroup Medical is a German health information technology company founded in 1987 that supplies the software running in doctors' surgeries, dental practices, pharmacies, laboratories and hospitals across Europe. Its products cover practice management and electronic medical records, hospital information systems, laboratory systems and the communication infrastructure connecting providers to national health networks, with Germany as its largest market by some distance. Headquartered in Koblenz and listed in Frankfurt, it took investment from CVC in 2025 and serves hundreds of thousands of clinical users.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 1 month ago Fading · 37%

Software Developer Java (m/w/d) – eHealth

≈ $56k – $108k per year (Estimated) • In office (Cologne, Germany) • Full-Time • German: C1
Kotlin
Java
Java
Gradle
Kotlin
Ktor
Mobile
JUnit
DevOps
GitLab
Docker
Cybersecurity
SonarQube
Management
Kanban
Scrum
+2
Apply
Verified live · 3 hours ago 1 month ago Fading · 31%

Software Developer Java (m/w/d)

≈ $56k – $108k per year (Estimated) • In office (Cologne, Germany) • Full-Time • German: B2 • English: B2
Java
Java
Spring Boot
DevOps
CI/CD
Apply

SumUp

sumup.com
sumup.com • HQ: London, United Kingdom • POS Systems • Payment Processing & Gateways • 1001-5000 employees • Est. 2012 • Trust B • Hiring 251, 23 new
HQ: London, United Kingdom • POS Systems • Payment Processing & Gateways • 1001-5000 employees • Est. 2012 • Trust B • Hiring 251, 23 new
SumUp is a financial technology company that provides card readers, point-of-sale systems and payment processing to small merchants, alongside business accounts, invoicing, online payment links and merchant cash advances. Founded in 2012, it serves millions of small businesses in more than 30 markets across Europe, Latin America and the United States, with large engineering and operations teams in Berlin, Sofia and São Paulo. The company is headquartered in London, United Kingdom.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 1 month ago Long shot · 20%

Backend Engineer (Golang) - Transfers Europe

≈ $68k – $132k per year (Estimated) • Equity • In office (Berlin, Cologne, Germany)
Go
Databases
Redis
Apache Kafka
PostgreSQL
AI/ML
Cursor
Copilot
DevOps
Honeycomb
Prometheus
Grafana
Kubernetes
AWS
+3
Apply
Verified live · 3 hours ago 1 month ago Fading · 25%

Senior Backend Engineer (Golang) - Bank Balance

≈ $66k – $128k per year (Estimated) • Equity • Senior • In office (Berlin, Cologne, Germany) • Senior
Elixir
Kotlin
Go
Databases
Apache Kafka
PostgreSQL
DevOps
Honeycomb
Grafana
Docker
Kubernetes
CI/CD
AWS
+3
Apply

Explicatis

explicatis.com
explicatis.com • HQ: Cologne, Germany • AI Consulting & Integration • IoT Platforms & Solutions • Custom Software Development • 51-200 employees • Hiring 1
HQ: Cologne, Germany • AI Consulting & Integration • IoT Platforms & Solutions • Custom Software Development • 51-200 employees • Hiring 1
Explicatis is a German certified IT service provider for custom software development, IoT product development and AI solutions. It operates offices in Cologne, Hamburg, Frankfurt am Main and Munich and recruits software developers for projects with top clients. The company is headquartered in Cologne, Germany.
No named decision-maker yet.
Careers mailbox is known
1 month ago Long shot · 8%

Softwareentwickler (m/w/d)

≈ $61k – $117k per year (Estimated) • Hybrid (Cologne, Germany)
PHP
Java
C#
TypeScript
JavaScript
PHP
Symfony
C#
.NET
Frontend
Vue.js
Angular
React.js
+2
Apply
Report

INFOMOTION

infomotion.de
infomotion.de • HQ: Frankfurt am Main, Germany • Consumer Goods • Professional Services • Data Engineering & Migration Services • Analytics & BI Consulting • Est. 2004 • Hiring 9
HQ: Frankfurt am Main, Germany • Consumer Goods • Professional Services • Data Engineering & Migration Services • Analytics & BI Consulting • Est. 2004 • Hiring 9
INFOMOTION is a German consulting company that calls itself the Data Performance Company and delivers value through data and AI. It advises enterprise customers on data governance, metadata management, data engineering, cloud and analytics, with offices in Frankfurt, Munich, Stuttgart and Cologne. The company is headquartered in Frankfurt am Main, Germany.
Mark Zimmermann · Vertretungsberechtigte · decision-maker
No careers mailbox known
1 month ago Long shot · 11%

Senior Softwareentwickler (m/w/d)

≈ $65k – $113k per year (Estimated) • Senior • 3+ years exp • Hybrid (Cologne, Germany) • Senior
Java
TypeScript
JavaScript
Java
Hibernate
Spring Boot
Frontend
Angular
DevOps
GitLab CI
GitLab
Docker
CI/CD
+2
Apply

GUS ERP

gus-erp.com
gus-erp.com • HQ: Cologne, Germany • Manufacturing & Industrial Software • ERP & Business Management Software • Est. 1980 • Hiring 1
HQ: Cologne, Germany • Manufacturing & Industrial Software • ERP & Business Management Software • Est. 1980 • Hiring 1
GUS ERP is a software company that has built ERP software for the complex requirements of the process industry since 1980. Its solution offers workflow management that keeps all processes in view, and the company recruits internal software developers. The company is headquartered in Cologne, Germany.
Thomas Seidler · Geschäftsführer · decision-maker
Thorsten Schlechtriem · Geschäftsführer · decision-maker
Careers mailbox is known
1 month ago Long shot · 6%

(Interner) Softwareentwickler (m/w/d)

≈ $62k – $119k per year (Estimated) • Hybrid (Cologne, Germany)
Java
SQL
Java
Apache Tomcat
Apply
Report

Bundes Anzeiger

bundesanzeiger.de
bundesanzeiger.de • HQ: Cologne, Germany • Digital Media • News Agencies • Hiring 6
HQ: Cologne, Germany • Digital Media • News Agencies • Hiring 6
Bundesanzeiger is the German platform for official publications, company disclosures and legal notices.
No named decision-maker yet.
No careers mailbox known
1 month ago Long shot · 6%

Fullstack Entwickler (m/w/d)

≈ $62k – $120k per year (Estimated) • Hybrid (Cologne, Germany)
Java
Databases
PostgreSQL
DevOps
Apache HTTP Server
Rest API
Docker
Linux
Kubernetes
Apply

Kaufland e-commerce

kaufland-ecommerce.com
kaufland-ecommerce.com • HQ: Cologne, Germany • Marketplaces • E-commerce Platforms • 51-200 employees • Trust B • Hiring 14
HQ: Cologne, Germany • Marketplaces • E-commerce Platforms • 51-200 employees • Trust B • Hiring 14
Kaufland e-commerce is the technology company behind the international Kaufland online marketplaces and part of the Schwarz Group. It hires product managers, engineers, search specialists and performance marketing staff in Cologne, Darmstadt, Berlin and remote. The company is headquartered in Cologne, Germany.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 2 months ago Likely open · 62%

Senior Full-Stack Engineer (all genders) | Backend or Frontend Focus

≈ $67k – $144k per year (Estimated) • Senior • Cologne • Remote (Germany) • Full-Time • Senior • English: C1
PHP
Node JS
TypeScript
JavaScript
PHP
Symfony
Frontend
Vue.js
DevOps
Datadog
GitHub
Apply
Verified live · 1 hour ago 9 months ago Fading · 32%

Lead Full-Stack Engineer (all genders) | Customer Experience

≈ $84k – $168k per year (Estimated) • Lead • 9+ years exp • Cologne • Remote (Germany) • Relocation • Full-Time • Staff • English: C1
PHP
Node JS
TypeScript
JavaScript
Frontend
Vue.js
DevOps
Datadog
Ubuntu
GitHub
Linux
Analytics
A/B Testing
+2
Apply

enyo

enyo-energy.de
enyo-energy.de • HQ: Cologne, Germany • Energy Management • EV Charging • Hiring 1
HQ: Cologne, Germany • Energy Management • EV Charging • Hiring 1
enyo is a German energy technology company that builds home energy management. Its device connects heat pumps, solar systems, electric car wallboxes and home batteries across manufacturers and controls them automatically, and it hires senior and founding software engineers. The company is based in Cologne, Germany.
No named decision-maker yet.
No careers mailbox known
≈ $66k – $116k per year (Estimated) • Equity • Senior • In office (Cologne, Germany) • Full-Time • Senior • German: C1
Node JS
TypeScript
JavaScript
Frontend
Vue.js
Mobile
Capacitor
DevOps
GitHub
Linux
Apply
Report

Everbrent

everbrent.com
everbrent.com • HQ: Cologne, Germany • E-commerce Platforms • 51-200 employees • Est. 2016 • Hiring 3
HQ: Cologne, Germany • E-commerce Platforms • 51-200 employees • Est. 2016 • Hiring 3
Everbrent is a German company working in e-commerce and online marketplaces. It hires people and talent managers, working students for e-commerce and marketplace tasks and senior software developers with object-oriented Java experience. The company is headquartered in Cologne, Germany.
No named decision-maker yet.
No careers mailbox known
Verified live · 9 hours ago 3 months ago Long shot · 14%

Senior Software-Entwickler (m/w/d)

≈ $65k – $114k per year (Estimated) • Senior • In office (Cologne, Germany) • Full-Time • Senior • German: C1
Java
Management
Agile
Apply

OrderYOYO

orderyoyo.com
orderyoyo.com • HQ: Frederiksberg, Denmark • Catering & Food Services • E-commerce Platforms • 11-50 employees • Est. 2015 • Trust B • Hiring 72
HQ: Frederiksberg, Denmark • Catering & Food Services • E-commerce Platforms • 11-50 employees • Est. 2015 • Trust B • Hiring 72
OrderYOYO is a Danish software company based in Frederiksberg, Copenhagen, that provides independent takeaways and restaurants with branded online ordering websites and apps, Google ordering, delivery, point-of-sale and payment solutions. It serves restaurant customers in the UK, Ireland, Denmark, Sweden, Germany and the Netherlands, with sales and support teams in Berlin, Manchester, Amsterdam, Malmö and Belfast. It hires business development and field sales managers, telesales executives, account and key account managers, customer support agents, internal recruiters and data specialists, many with Swedish, German or Dutch language skills.
No named decision-maker yet.
No careers mailbox known
Open 99 days 3 months ago Long shot · 3%

Lead Software Engineer – Payments

≈ $69k – $139k per year (Estimated) • Lead • Cologne • Remote (likely Germany) • Full-Time • Staff
Azure
CI/CD
Cybersecurity
Least Privilege
Apply

Digitale Leute

digitale-leute.de
digitale-leute.de • HQ: Cologne, Germany • EdTech Platforms • Digital Media • Est. 2024 • Hiring 4
HQ: Cologne, Germany • EdTech Platforms • Digital Media • Est. 2024 • Hiring 4
Digitale Leute is a German media and education company that portrays companies and professionals from tech, UX design and product management. Through DL Education it runs bootcamps that train product managers and AI automation specialists with mentors, and it hires junior product owners, product managers, bootcamp leads and AI mentors. The company is based in Cologne, Germany.
Stefan Vosskötter · Geschäftsführer · decision-maker
No careers mailbox known
Verified live · 7 hours ago 3 months ago Likely open · 58%

Software-Entwickler:in / Mentor:in (AI Software Engineering Bootcamp)

≈ $65k – $125k per year (Estimated) • In office (Cologne, Germany) • Full-Time • German: C1
Node JS
TypeScript
JavaScript
Python
AI/ML
OpenAI Codex
Cursor
OpenAI
Claude Code
Frontend
React.js
DevOps
GitHub
Management
Miro
n8n
+4
Apply

Bundesliga-Gruppe

bundesliga-gruppe.de
bundesliga-gruppe.de • HQ: Frankfurt am Main, Germany • Esports • Sports Media • Sports Organizations • Trust B • Hiring 10, 3 new
HQ: Frankfurt am Main, Germany • Esports • Sports Media • Sports Organizations • Trust B • Hiring 10, 3 new
Bundesliga-Gruppe is the group around the German football Bundesliga, working with the DFB, the coaches association BDFL and referee organisations in professional football. Its roles cover media production, a content hub, the Virtual Bundesliga esports competition and sport and democracy projects. The company is headquartered in Frankfurt am Main, Germany.
No named decision-maker yet.
Careers mailbox is known
Open 115 daysVerified live · 1 hour ago 3 months ago Long shot · 10%

Senior Fullstack/Frontend Developer Content Hub (m/w/d)

≈ $68k – $120k per year (Estimated) • Senior • Hybrid (Cologne, Germany) • Senior • German: C1
TypeScript
JavaScript
Frontend
Next.js
React.js
DevOps
AWS
Apply

abcfinlab

abcfinlab.de
abcfinlab.de • HQ: Cologne, Germany • Financial Software & Embedded Finance • Angel Networks & Startup Accelerators • 11-50 employees • Est. 2018 • Hiring 2
HQ: Cologne, Germany • Financial Software & Embedded Finance • Angel Networks & Startup Accelerators • 11-50 employees • Est. 2018 • Hiring 2
abcfinlab is the innovation unit of the Werhahn group and incubator of the abcfinance group, developing digital business models for financial services. It built Lease Seven, a web application that lets sales partners close leasing contracts digitally in minutes, and hires full-stack developers and UX design working students. The company is headquartered in Cologne, Germany.
No named decision-maker yet.
Careers mailbox is known
Open 138 daysVerified live · 6 hours ago 4 months ago Long shot · 7%

Full-Stack Developer (w/m/d)

≈ $65k – $125k per year (Estimated) • In office (Cologne, Germany) • Full-Time • German: B2
TypeScript
JavaScript
Node JS
Node JS
Prisma
Databases
pgvector
PostgreSQL
AI/ML
Langfuse
Google AI Studio
Prompt Engineering
Model Context Protocol
Claude Code
RAG
LLM
Frontend
Tailwind CSS
Next.js
shadcn/ui
React.js
Radix UI
DevOps
GCP
Management
Confluence
Jira
+13
Apply

Inverto

inverto.com
inverto.com • HQ: Cologne, Germany • Management Consulting • Supply Chain • 51-200 employees • Est. 2000 • Trust C • Hiring 63
HQ: Cologne, Germany • Management Consulting • Supply Chain • 51-200 employees • Est. 2000 • Trust C • Hiring 63
Inverto is a procurement and supply chain management consultancy headquartered in Cologne and owned by Boston Consulting Group, advising companies on cost optimization, negotiation, supplier and risk management, sustainable procurement, digital and AI tools and supply chain resilience. It has more than 700 experts in 23 offices worldwide, including Munich, Berlin, Hamburg, Frankfurt, London, Paris, Madrid, Milan, Vienna, Zurich, Amsterdam and the Nordic capitals. Hiring covers consultants, project managers and principals in procurement and supply chain management, plus working students and IT, finance, HR and talent acquisition staff.
No named decision-maker yet.
Careers mailbox is known
Likely inactiveVerified live · 1 hour ago 5 months ago Long shot · 7%

Fullstack Developer (f/m/d)

≈ $61k – $107k per year (Estimated) • Senior • 5+ years exp • In office (Cologne, Munich, Germany) • Bachelor's Degree • Full-Time • Senior • German: C1 • English: C1
C#
SQL
C#
Entity Framework Core
Blazor
.NET
Databases
MS SQL
DevOps
Rest API
Apply
Likely inactiveVerified live · 1 hour ago 5 months ago Long shot · 7%

Data & Backend Engineer (f/m/d)

≈ $66k – $116k per year (Estimated) • Senior • 5+ years exp • In office (Cologne, Munich, Germany) • Bachelor's Degree • Full-Time • Senior • German: C1 • English: C1
SQL
AI/ML
LLM
DevOps
Azure DevOps
CI/CD
Azure
Analytics
ETL/ELT
Apply
Machines can read this selection · checked 16:02 UTC
Backend Developer Jobs in Cologne
Frequently asked questions
How many Backend Developer jobs in Cologne are available on Alion?
There are currently 31 active listings from 20 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Cologne pay?
The average salary is around $97,222 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.