Senior Fullstack Developer

Capitole; Barcelona; On-site; EUR 68,000 - 90,000; Full time

Benefits offered by this job

Private health insurance fully covered

Meal vouchers

Capitole Club discounts

Team buildings and events

Job summary

Capitole is growing fast and seeking a Software Engineer in Barcelona to join a multidisciplinary team building Drives Configuration and Programming software for a global leader in industrial automation.

You will own features end-to-end, design solutions, review code, and collaborate with teams across Japan, the US and the Netherlands to deliver high-quality software. Strong C#, .NET, WPF skills and familiarity with React enhance candidacy.

Qualifications

• Bachelor's or Master's degree in Computer Science or a related field.
• 5+ years of experience as a Software Engineer.
• Strong ownership across full software development lifecycle.
• Proven experience with C#, .NET and desktop app development (WPF) and React is a plus.
• Experience with CI/CD, DevOps and cloud platforms such as Azure or AWS.

Responsibilities

• Transform requirements into software specifications, Features and User Stories.
• Design and implement new functionality, extending and evolving the software platform.
• Participate in code and design reviews, contributing to continuous improvement.
• Work closely with software, test and application engineers, and other stakeholders to improve product quality.
• Influence schedule, feature and product design decisions.
• Identify bottlenecks and bugs, and devise solutions to address them.
• Ensure the best possible performance, quality and responsiveness of the software.
• Stay up to date with new technologies relevant to the product.

Skills

C#

.NET

WPF

React

CI/CD

DevOps

Azure or AWS

Frontend integration

SOLID principles

Code reviews

Education

Bachelor's or Master's in Computer Science or related field

Tools

React

Git

Job description

Capitole is growing fast, and we want you to be part of the journey!

We're looking for a Software Engineer with 5+ years of experience to join our amazing team, working on a software product for a global leader in industrial automation. You'll be part of a multidisciplinary team in Barcelona, collaborating closely with teams in Japan, the United States and the Netherlands, developing Drives Configuration and Programming software.

• Transform requirements into software specifications, Features and User Stories
• Design and implement new functionality, extending and evolving the software platform
• Participate in code and design reviews, contributing to continuous improvement
• Work closely with software, test and application engineers, as well as other stakeholders, to improve product quality
• Influence schedule, feature and product design decisions
• Identify bottlenecks and bugs, and devise solutions to address them
• Ensure the best possible performance, quality and responsiveness of the software
• Stay up to date with new technologies relevant to the product
• Bachelor's or Master's degree in Computer Science or a related field
• 5+ years of experience as a Software Engineer, with strong ownership across the full software development lifecycle (from design to post-release)
• Strong expertise in the Microsoft ecosystem: C#, .NET and desktop application development (WPF and React are a plus)
• Solid understanding of software engineering fundamentals: SOLID principles, clean architecture and scalable system design
• Proven experience applying design patterns, writing maintainable code, performing code reviews and unit testing
• Experience with CI/CD, DevOps and collaborative development workflows
• Familiarity with cloud platforms (Azure or AWS) and distributed systems concepts
• Experience or exposure to modern front-end technologies, especially React, and integration with backend services
• Comfortable working with modern development tools and approaches (AI-assisted development, Copilots, rapid prototyping)
• Nice to have: industrial automation knowledge (PLC, Motion Control, Inverter, Servo, etc.) and experience in web/mobile development

What we're looking for in you:

• An innovative and entrepreneurial mindset
• Strong problem-solving skills and a sense of ownership
• Excellent written and verbal communication skills (English and Spanish)
• A positive attitude and confidence in your abilities
• Passion for building the best products on the market

Why you'll love working with us

At Capitole, we believe our people are our greatest strength. That's why we offer:

• Monthly feedback sessions with your team to keep learning and growing
• Private health insurance fully covered by Capitole
• Payflow benefits (meal, transport, childcare vouchers)
• Wellhub subscription
• Discounts with top brands through Capitole Club
• Team buildings every two months (our summer party and Christmas dinner are legendary!)
• Football, padel, and basketball teams sponsored by Capitole
• Tech communities where sharing knowledge is part of our DNA
• And above all... an AMAZING TEAM that you'll love being a part of!

See what our teams are saying about us: Glassdoor Reviews

The employee will adhere to information security policies:

• Will have access to confidential information related to Capitole and the project they are working on.
• Must comply with the security and internal policies of both the company and the client.
• Must sign an NDA (Non-Disclosure Agreement).