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Lead Software Engineer - AI Financial Assistant

Join a pioneering tech company as a Lead Software Engineer, driving innovation in AI financial assistance.

This role offers a unique opportunity to shape the future of personal finance technology, working with a dynamic team to enhance user financial health.

We are seeking experienced professionals passionate about building impactful products and fostering a collaborative engineering culture.

This position involves leading a cross-functional squad, blending hands-on coding with people management.

You will be instrumental in defining technical strategies and ensuring the delivery of high-quality, scalable solutions within a fast-paced, agile environment.

If you thrive on challenging the status quo and making a real difference, this is your chance to contribute to a rapidly growing, profitable unicorn.

Private
full-time
Spain

Jobs Date Posted: 03 November, 2026
Jobs Last Date to Apply: 18 December, 2026
Industry: Technology
Jobs Industry Type: Private
Job Hiring Organization: JR Spain Client / Employer: Cleo
Occupational Category: Software Development
Employment Type: full-time
Advertisement Source: eurojobs.com
Job Location: Aragón
Country of Appointment: Spain
Employer Department: Engineering
🎓 Qualifications Required
BA
📌 Job Positions:

Further Details

We are seeking a Technical Lead Manager to spearhead a product squad focused on developing cutting-edge AI financial assistant technology. This role demands a blend of technical acumen and leadership, guiding a team of engineers to create innovative solutions that empower users financially. The position is based in Aragón, Spain, offering a chance to work within a forward-thinking organization committed to transforming financial relationships. This is an exciting opportunity for a seasoned engineer to contribute to a company that has achieved unicorn status and boasts millions of satisfied users. You will play a key role in defining technical roadmaps, implementing robust engineering practices, and fostering a culture of continuous learning and growth within your team. The company values original thinkers and offers a supportive environment for professional development.

Lead Software Engineer - AI Financial Assistant in Aragón, Spain

Embark on an exciting career journey as a Lead Software Engineer with Cleo, a revolutionary AI financial assistant company. This role is based in the vibrant region of Aragón, Spain, and offers a unique chance to contribute to a profitable, fast-growing unicorn that is transforming how people manage their money. If you are a forward-thinking engineer with a passion for innovation and leadership, this is an exceptional opportunity to join a team dedicated to making a significant impact.

We are looking for individuals who excel in a dynamic environment, possess strong technical expertise in Ruby on Rails, and have a proven ability to lead and mentor engineering teams. You will be instrumental in shaping product roadmaps, driving technical excellence, and fostering a culture of continuous improvement. Cleo is committed to building a diverse and inclusive workforce, ensuring a fair and transparent recruitment process for all candidates.

  • Job Title: Lead Software Engineer
  • Location: Aragón, Spain
  • Company: Cleo (JR Spain Client / Employer)
  • Key Responsibilities: Technical leadership, people management, roadmap definition, agile delivery, hands-on coding in Ruby on Rails.
  • Required Skills: Ruby on Rails expertise, team leadership, agile methodologies, strong technical judgment.
  • Benefits: Meaningful equity, comprehensive health insurance, mental health support, paid sabbatical, learning & development platform.

Skills

  • Solid experience with Ruby on Rails, building data models, APIs, and business logic services in a production monolith
  • Experience leading technical delivery within a product squad or engineering team
  • Experience line managing and coaching engineers, including giving feedback, supporting development and navigating performance conversations
  • Strong technical judgement, with the ability to balance delivery speed, technical quality, scalability and longer-term investment
  • Comfortable delivering with agile methodologies and practices like automated testing, observability, A/B testing, and feature flags
  • A collaborative approach - you work well with Product, Design, Analytics and Engineering partners
  • A track record of helping teams build healthy habits, improve ways of working and deliver meaningful outcomes
  • Alignment with company values and engineering principles

Duties and Responsibilities:

  • Lead and develop a squad of 4-5 engineers, balancing hands-on technical contribution with line management, coaching and support for individual growth
  • Partner with Product Managers, Staff Engineers and other technical leaders to shape a clear, feasible roadmap and deliver against squad OKRs
  • Define and steer the technical direction of your squad, helping the team make pragmatic trade-offs across speed, quality, scalability and long-term maintainability
  • Create the conditions for effective delivery by providing clarity, unblocking progress and establishing healthy, sustainable ways of working
  • Run regular 1:1s, provide clear and actionable feedback, and support engineers through development, performance conversations and growth planning
  • Stay close to the code and contribute hands-on to our Ruby on Rails monolith, using practices such as automated testing, observability, A/B testing and feature flags
  • Collaborate across Engineering, Product, Design and Data to deliver and iterate on features that have a meaningful impact on our users’ financial health

How to apply

  • Step 1: Visit the Application Portal 👉 Navigate to the official application link provided for this vacancy.
  • Step 2: Review Job Details 🔎 Thoroughly read the job description, responsibilities, and required qualifications to ensure a strong match with your profile.
  • Step 3: Prepare Your Application Documents 📝 Gather your updated Curriculum Vitae (CV), any relevant certifications, and a cover letter highlighting your suitability for the role.
  • Step 4: Submit Your Application Online 🚀 Click on the 'Apply Now' button and follow the on-screen instructions to complete the online application form.
  • Step 5: Await Confirmation ⏳ You will receive a confirmation once your application has been successfully submitted.
  • Important Note: This is a private sector opportunity. Ensure all information provided is accurate and complete.


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