Rithum™ is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences. We provide an unmatched platform for brands and retailers, enabling them to accelerate growth, optimise operations across channels, scale product offerings and enhance margins.

Today, more than 40,000 companies trust Rithum to grow their business across hundreds of channels, representing over $50 billion in annual GMV. Using our commerce, marketing, and delivery solutions, our customers create optimised consumer shopping journeys from beginning to end.

Overview

As a Senior Software Engineer for Artificial Intelligence, you are responsible for shaping Rithum’s AI and data strategy, bringing strategic leadership, deep technical expertise, and a strong collaborative spirit. In this pivotal role, you go beyond technical development to drive impactful solutions in eCommerce and product data optimization. You lead the design and implementation of robust, scalable machine learning models, guiding the delivery of AI products that align with our vision for innovation. Collaborating cross-functionally, you leverage AI, machine learning, and advanced analytics to solve complex business challenges, drive data-driven decision-making, and advance product innovation across the organization.

Responsibilities

Independently lead high-impact AI initiatives, aligning departmental strategies with Rithum’s business objectives to deliver sustainable, client-focused solutions.
Leverage technical expertise to design scalable, high-performance AI solutions, creating reliable, reusable systems and mentoring team members to uphold high standards and reduce complexity.
Address complex, ambiguous problems with advanced judgment and strategic solutions, ensuring robustness and adaptability to meet both current and future organizational needs.
Collaborate across teams, adapting communication to align AI initiatives with business goals and building strong networks with key stakeholders to foster innovation and quality.
Guide decision-making at departmental and company levels, driving AI project priorities and execution to shape Rithum’s strategic roadmap and influence global teams.
Ensure delivery of reliable, scalable solutions that meet business needs and drive future growth. Lead in setting standards, principles, and roadmaps for durable, sustainable systems across the organization.
Apply AI and ML expertise to create high-impact solutions, influence cross-disciplinary methods, and develop frameworks for immediate and long-term success. Serve as a recognized expert, promoting knowledge-sharing and advancing AI capabilities across Rithum.
Responsible for mentoring and developing other engineers within their subject matter expertise
Participate in on-call rotation to support the “you build it you own it” mantra
Understanding and utilization of software development tools including version control, building processes, debuggers, and test frameworks for:
- Primary technologies (may include):
  - C#, .NET Core, Python, Java, C++, TypeScript/React, Angular, JavaScript
  - Github, Azure
  - SOAP/REST web service APIs
- Secondary technologies (may include):
  - AWS services (OpenSearch, Lambda, DynamoDB, Kinesis, RDS, ECS, and others)
  - Redis, NoSQL
  - Microsoft SQL Server
  - Cloud technologies
  - CI/CD tools/pipelines

Qualifications

Minimum Qualifications

3+ years' experience developing in Python
3+ years’ experience with AWS services
3+ years’ experience with AI technologies (such as PyTorch or TensorFlow) with a strong technical and strategic focus, including expertise in machine learning algorithms, NLP, computer vision, and large-scale deployment.
Proven leadership in high-impact AI projects, with a history of mentoring team members and developing innovative methods that drive departmental objectives.
Proficiency in cloud platforms, along with experience in creating data systems for feature stores and vector databases.
Strong communication skills, adept at visualizing and presenting complex data insights to technical and non-technical audiences.
Exceptional problem-solving abilities, with a record of delivering data-driven solutions to complex business challenges.
Experienced collaborator with cross-functional teams, working closely with product managers, engineers, and business leaders.

Preferred Qualifications

Advanced degree in a relevant field (Computer Science, ML, Statistics) preferred, with proven expertise across ML-related disciplines and an ability to influence team practices and standards.
Experience developing in C#
Data privacy compliance experience, ensuring all data handling and analysis adhere to regulations such as GDPR, CCPA, and internal governance policies.
Familiarity with industries such as e-commerce, retail, online marketplaces, or digital advertising.
Experience working with globally distributed teams across multiple time zones.

Travel Required

Up to 10%

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

What it’s like to work at Rithum

When you join Rithum, you can expect to work with smart risk-takers, courageous collaborators, and curious minds.

As part of the Rithum team, you are valued, supported, and included. Guided by a transparent culture and accessible, approachable leadership, we offer career opportunities aligned to your ambitions and talents. To ensure work and life balance works for you, we also offer an array of resources to support you and your families, including comprehensive benefits and wellness plans.

At Rithum you will:

Partner with the leading brands and retailers.
Connect with passionate professionals who will help support your goals.
Participate in an inclusive, welcoming work atmosphere.
Achieve work-life balance through remote-first working conditions, generous time off, and wellness days.
Receive industry-competitive compensation and total rewards benefits.

Benefits

Medical, Dental and Psychology benefits
Life insurance and disability benefits
Competitive time off package with 25 Days of PTO, 13 Company-Paid Holidays, 2 Wellness days and 1 Paid Volunteer Day
Voucher program for Transportation, Meals & Childcare
Work from the Madrid co-working space, if desired
Remote Working Stipend: €40/month automatically applied in payroll
Access to tools to support your wellbeing such as the Calm App and an Employee Assistance Program
Professional development stipend and learning and development offerings to help you build the skills and connections you need to move forward in your career.
Charitable contribution match per team member

Rithum is an equal opportunity employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates without regard to race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other protected characteristic. All employment is decided on the basis of qualifications, merit, and business need.

We're committed to providing reasonable accommodations in accordance with the law for qualified applicants. If you require assistance during the interview process due to a medical condition or need support accessing our website or completing the application process, please reach out to us by completing the Accommodations Request Form. Your comfort and accessibility are important to us, and we're here to ensure a seamless experience as you explore opportunities with our team.