Software Engineer

Liferay,-Inc.; Spain; On-site; EUR 60,000 - 90,000; Full time

Job summary

Liferay, Inc. is seeking a backend-focused engineer with strong frontend architecture understanding to join the Frontend Infrastructure team.

You will design, build, and optimize backend frameworks, tooling, and delivery pipelines powering the frontend ecosystem, while maintaining robust server-side practices and a broad view of client‑side consumption. You will collaborate with UX designers and product managers, write high quality code, and participate in peer reviews as you help scale

Qualifications

• 3+ years of software engineering experience.
• Degree in Computer Science or equivalent.
• Understand and practice agile development.
• Proficient in Java, JavaScript (React), Freemarker and SQL.
• Strong Git skills and DVCS workflows (branching, PRs).
• Willingness to learn and adapt to new technologies.
• Fluent in English and Spanish, written and spoken.
• Clear communicator able to explain complex topics.

Responsibilities

• Design, build, and optimize backend frameworks, build tools, and delivery pipelines for the frontend ecosystem.
• Bridge backend systems with client-facing frontend frameworks and data services.
• Collaborate with UX designers and product managers to implement the shared vision.
• Write high quality, maintainable code and participate in peer reviews.
• Contribute to open source-like culture and best practices.

Skills

Java

JavaScript

React

Freemarker

SQL

Git

English

Spanish

Agile

Education

Degree in Computer Science

Tools

Git

DVCS

Job description

About Liferay

Liferay, Inc. is a uniquely profitable B2B enterprise software company with 1,200+ fiery-eyed employees all across Europe, the Americas, the Middle East, Asia, and Africa. As a renowned provider of enterprise open source technologies, we have been recognized by Gartner for empowering businesses around the world to solve complex digital challenges. Liferay Experience Cloud is an all-in-one solution that unites our Liferay DXP and cloud platform capabilities with built-in analytics and B2B commerce functionality, reducing the time to market and allowing for accelerated innovation - serving notable customers across the globe such as Airbus, US Bank, Honda, and Desjardins.

But we don’t just make awesome software, we are also fueled by a greater-than-profit vision. By building a vibrant business, making technology useful, and investing in communities, we make it possible for people to reach their full potential to serve others. We give our employees five days off to volunteer at charities they’re excited about, and Liferay donates 10% of our profits to charities around the world. Oh, we’re also self-funded which gives us the freedom to work on whatever we think brings the most value to customers and communities in the long run!

About You and this Role

Are you a backend-focused engineer who understands the intricacies of modern frontend architecture and web tooling? As a Software Engineer on our Frontend Infrastructure team, you will bridge the gap between core backend systems and user-facing frontend frameworks. You will design, build, and optimize backend frameworks, build tools, and delivery pipelines that power Liferay’s frontend ecosystem, including infrastructure for data set rendering, content editing, custom client extensions, caching, performance and security. You bring strong server-side engineering practices while maintaining a deep understanding of how client‑side applications consume services, package assets, and render user interfaces. You effectively work as a full-stack developer with stronger backend skills.

If you enjoy solving technical problems and building scalable software that impacts enterprise users globally, this is the position for you.

Key Objectives

• Work in a long-term software product. Building strong foundations, without being constrained by frequent deadlines, delivering the best possible solution and iterating then.
• Work in an open source distributed company with strong ethical values, sharp vision, in an international environment.
• Design and implement new features and frameworks for the Liferay Platform and other Liferay products. Your software will be used by thousands of developers and end users around the world.
• Write high quality and maintainable code. Keeping technical debt under control.
• Participate in peer review processes, growing along with your teammates. Suggest improvements and be humble enough to accept suggestions. Everyone learns from everyone, no matter how brilliant you are.
• Use Git and GitHub on a daily basis: branches, merges, rebases, pull‑requests, etc.
• Work closely with UX Designers and Product Managers to implement the shared vision.

Required Qualifications

• +3 years of experience with software engineering best practices: version control, unit testing, etc.
• Degree in Computer Science, similar technical field of study, or equivalent practical experience.
• Understand and share the values of agile development.
• Write high quality code using Java, Javascript (React), Freemarker, SQL
• Proficient with Git (or any other DVCS) and related branching patterns: git-flow, pull-requests, rebases, etc.
• Experience writing enterprise-level code in one or more programming languages.
• You have strong learning skills; if you don’t know something, you’re willing (and capable) of learning it.
• Fully comfortable working in English and Spanish, both written and spoken. Some of your teammates will be in the Americas, Asia or Europe.
• Good communication skills. You can clearly explain complex technical subjects to other people.

Preferred Qualifications

• Previous experience working on a DXP platform or Liferay Portal 7.0+
• Understand and share the values of agile development.
• Experience with web architecture and standards (HTTP, CSP, web caching, web components, HTML5, Servlets, Browser APIs)
• Knowledge of Java, Javascript/Node, Typescript and React
• Worked on backend-frontend integration
• It's a big plus if you're a contributor to open source, hackathons, meetups or whatever-related to coding.

What We Offer

• Salary package w/ competitive benefits according to qualifications and experience
• Opportunities to take responsibility, grow professionally, and Stay Nerdy
• A positive and collaborative work culture
• Check out what employees say about us on Glassdoor
• Working at a leading open-source company

Equal Opportunities Employer - Statement

Liferay is committed to the equal treatment of all candidates, customers and employees and to fostering a culture of dignity at work. Our operating procedure provides for equal opportunities in recruitment and employment with the aim to eliminate discrimination against any job applicant or employee on the basis of race, age, sexual orientation, gender, religion or beliefs, marital or civil partnerships status, family or dependency status, disability, pregnancy and maternity or membership of a traveling community.