onespan
onespan1mo ago

Senior Software Developer

Barcelonasenior
OtherSoftware Developer
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Quick Summary

Overview

At OneSpan , we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences. OneSpan is currently looking for a Sr.

Technical Tools
OtherSoftware Developer

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.

You’ll be involved in the design, development, testing, and delivery of our Mobile Application Security Platform, working across both frontend and backend systems. You will help build scalable services and intuitive user interfaces that enable our security technologies and products. You’ll find yourself working on modern web architectures, developing high-quality code with strong test coverage and frequent releases thanks to CI and automated build infrastructure.

Responsibilities

~1 min read

·         Design and develop end-to-end features across frontend and backend systems.

·         Build modern web interfaces and scalable backend APIs that power our products and services.

·         Translate product requirements and wireframes into high-quality technical solutions.

·         Write clean, maintainable, and testable code across the full stack.

·         Collaborate closely with product managers, designers, mobile developers, and other backend engineers.

·         Improve the performance, scalability, and usability of our platform as the business grows.

·         Contribute to technical architecture, code reviews, and development best practices.

·         Participate actively in the team’s life and contribute to technical decision-making.

Requirements

~1 min read

·         5+ years of professional experience in software development, working across frontend and backend technologies.

·         Strong experience building modern web applications and RESTful APIs.

·         Experience with JavaScript/TypeScript frontend frameworks (e.g., React, Angular, or Vue).

·         Experience with backend development (Python, Node.js, Java, or similar).

·         Good understanding of software architecture, design patterns, and scalable systems.

·         Experience translating business requirements into technical designs.

·         Understanding of testing tools and methodologies.

·         Ability to communicate clearly in English, both verbally and in writing.

·         Ability to work independently while collaborating effectively with a team.

·         Programming with AI agents is part of your day-to-day work, including designing and orchestrating LLM-based workflows and integrating them into production systems.

Nice to Have

~1 min read

·         Experience with React and modern frontend ecosystems.

·         Experience with Java frameworks (Spring, Spring Boot).

·         Familiarity with cloud platforms (AWS, GCP, or Azure).

·         Experience with containerization technologies such as Docker.

·         Knowledge of CI/CD pipelines and DevOps practices.

·         Knowledge about cryptography and/or PKI infrastructure.

·         Experience with Git.

·         Experience with Agile/Scrum methodologies.

·         Strong analytical thinking and problem-solving attitude.

·         Passion for continuous learning and improvement.

OneSpan offers the best of both worlds – a solid foundation that only an established global enterprise can provide, with the energy and creativity of an innovative start-up. In every role at OneSpan, you’ll contribute to the success of the most advanced cybersecurity and have opportunities to grow. 

#LI-hybrid

#LI-LS1

 

 

 

Location & Eligibility

Where is the job
Barcelona
On-site at the office
Who can apply
Same as job location
Listed under
Worldwide

Listing Details

Posted
March 19, 2026
First seen
April 22, 2026
Last seen
May 1, 2026

Posting Health

Days active
9
Repost count
0
Trust Level
23%
Scored at
May 1, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
onespan
onespan
greenhouse
Employees
750
Founded
1991
View company profile
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onespanSenior Software Developer