Hiring.Camp

Senior Engineer, Full-stack Custom Solutions

Clio

·

Feb 3, 2026

Location
Barcelona, Spain
Type
Full-time
Department
Engineering
Seniority
Senior
Source
Workday

Description

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. 

We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice.

Summary:

We are currently seeking a Senior Full-stack Engineer to join our Engineering team. This role is available to candidates across Barcelona and Madrid, with preference in Barcelona. 

The Senior Full-stack Engineer for the Customer Tooling Squad will play a critical role in Clio. With responsibilities spanning both front-end and back-end development, this individual will take ownership of complex technical challenges across the customer's ERP ecosystem and related systems. They will mentor junior engineers, collaborate with cross-functional teams, and deliver high-quality solutions that improve the customer experience and operational workflows. The Senior Fullstack Engineer will drive initiatives to modernise the customer tooling, reduce technical debt, and enhance integrations with internal and external systems, ensuring the continued success and evolution of customer support and engagement infrastructure.

A day in the life might look like:

  • Work across the complete stack to design, develop, and implement new features and modern web components.

  • Write and maintain clean, efficient, and reliable code for both front-end and back-end systems.

  • Identify and resolve issues in existing and new code to ensure the smooth, continuous operation of web applications.

  • Maintain and optimise APIs to ensure high performance and reliability.

  • Implement dynamic user interfaces in the frontend application, prioritizing seamless user experiences.

  • Lead projects through all phases from conception to finished product, collaborating with cross-functional teams and stakeholders.

  • Drive the modernisation of the tech stack, migrating legacy systems to modern frameworks and cloud-native architectures to ensure scalability, maintainability, and performance.

You may be a fit for this role if:

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field.

  • Delivered end-to-end solutions by combining 4+ years of solid experience in Ruby on Rails backend development with proficiency in JavaScript/TypeScript frameworks to create high-performance frontends.

  • Proven experience with web components, including design and implementation, to build dynamic and reusable UI elements.

  • Strong expertise in cloud-based solutions, with a particular focus on AWS environments, to build scalable and reliable systems.

  • Strong knowledge of API design and management, ensuring high availability and performance.

  • Excellent problem-solving skills and the ability to troubleshoot and optimise complex codebases.

Serious bonus points if you have:

  • Experience in LegalTech, content platforms, or large-scale data systems is desirable but not essential.

  • Familiarity with search technologies.

  • Fluent in Spanish and English

What you will find here:

Compensation is one of the main components of Clio’s Total Rewards Program. We have developed a series of programs and processes to ensure we are creating fair and competitive pay practices that form the foundation of our human and high-performing culture.
 

Some highlights of our Total Rewards program include:

  • Competitive, equitable salary.

  • Top-tier medical and dental coverage at preferred employee pricing for you and your family, with access from Day 1.

  • Clio offers a flexible hybrid work environment with intentional in-person gatherings to build connection.

  • 23 Days Paid Time Off + Company Observed Holidays including short Fridays as well as a summer schedule for work-life balance.

  • Professional development and growth options

  • Pet friendly workspace in our Barcelona office

  • Company events and social-impact programs that reinforce our shared values, community, and culture.

  • Clioversary recognition program with special acknowledgement at 3, 5, 7, and 10 years

Please note salary bands may differ based on location and local currency. Additionally, benefits may differ depending on the employee's location.

Diversity, Inclusion, Belonging and Equity (DIBE) & Accessibility 

Our team shows up as their authentic selves, and are united by our mission. We are dedicated to diversity, equity and inclusion. We pride ourselves in building and fostering an environment where our teams feel included, valued, and enabled to do the best work of their careers, wherever they choose to log in from. We believe that different perspectives, skills, backgrounds, and experiences result in higher-performing teams and better innovation. We are committed to equal employment and we encourage candidates from all backgrounds to apply.

Clio provides accessibility accommodations during the recruitment process. Should you require any accommodation, please let us know and we will work with you to meet your needs.

Learn more about our culture at clio.com/careers

We're a Human and High Performing AI company, meaning we use artificial intelligence to improve all of our operations. In recruitment, AI helps us streamline the process for greater efficiency. However, we've built our systems to ensure that a human always reviews AI-generated output, and we never make automated hiring decisions.

Disclaimer: We only communicate with candidates through official @clio.com email addresses.

Skills

JavaScriptTypeScriptRubyRuby on RailsAWSERP

Similar Jobs

30

Senior Full Stack Engineer

Humana · Remote MA BOSTON, United States of America · Remote

3 days ago

Senior Full Stack Engineer

Humana · Work at Home - Wisconsin, United States of America

3 days ago

Senior Full Stack Engineer

Motorola Solutions · Vancouver, Canada

4 days ago

Senior Full Stack Engineer

Auto Store · Atlanta, USA, United States of America

4 days ago

Senior Full Stack Engineer

Fmr · Off Embassy Golf Links Business Park, Bangalore India

4 days ago

Senior Full Stack Engineer

Roadie · REMOTE · Remote

5 days ago

Senior Full Stack Engineer

Fieracapital · Toronto, Canada

5 days ago

Senior Full Stack Engineer

Trinitylifesciences · New York - Wall Street, United States of America +3

6 days ago

Senior Full Stack Engineer

Humana · Waterside Bldg, United States of America +2

6 days ago

Senior Full Stack Engineer

Ultralytics · Shenzhen · Hybrid

6 days ago

Senior Full Stack Engineer

Iqvia · Kathmandu, Nepal

6 days ago

Senior Full stack Engineer

Consilio · Bangalore, IN

1 week ago

Senior Full Stack Engineer

Fmr · Parkmore East Business Park, Galway Ireland

1 week ago

Senior Full Stack Engineer

Inversionspace · Playa Vista, California, United States

1 week ago

Senior Full Stack Engineer

RTX · US-CT-REMOTE, United States of America · Remote

1 week ago

Senior Full Stack Engineer

Payreto · Makati City, National Capital Region (NCR) · Hybrid

1 week ago

Senior Full Stack Engineer

Agile Defense · Remote · Remote

1 week ago

Senior Engineer, Full Stack

Bellese Technologies · United States · Remote

1 week ago

Full Stack Engineer, Senior

Blue Shield of California · Oakland, CA, United States, US

1 week ago

Full Stack Engineer, Senior

Blue Shield of California · Oakland, CA, United States, US

1 week ago

Senior Full Stack Engineer

American Bible Society · US

1 week ago

Senior Full Stack Engineer

LIGHTFEATHER IO LLC · United States +1

1 week ago

Senior Full Stack Engineer

Digitalturbine · United States - New York, United States of America · Hybrid

1 week ago

Senior Full Stack Engineer

Versant · Orlando, FL, United States · Remote

2 weeks ago

Senior Full Stack Engineer

Vialto Partners · Bengaluru, KA,IN, IN

2 weeks ago

Senior Full Stack Engineer

Vialto · Bengaluru, India · Hybrid

2 weeks ago

Senior Full-Stack Engineer

Amigo · San Francisco · Onsite

2 weeks ago

Senior Full-Stack Engineer

Mercury · San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States · Remote

2 weeks ago

Senior Full Stack Engineer

Fmr · 500 Salem St, Smithfield RI, United States of America +2 · Remote, Onsite

2 weeks ago

Senior Full Stack Engineer

Lightfeatheriollc · United States +1

2 weeks ago