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 Project Manager, you lead cross-functional and client-facing interactions that drive successful onboarding and delivery of Rithum solutions. You partner closely with clients, technology partners, and internal teams to ensure project scope is delivered predictably, on time, and to quality standards, enabling customers to fully realize the value of the Rithum platform. You collaborate across Sales, Product, Engineering, and Services to coordinate delivery, manage dependencies, and advocate for the client throughout the delivery lifecycle. You serve as a central point of execution and communication, translating technical complexity into clear plans, milestones, and updates for both internal and external stakeholders. You bring a strong foundation in project management methodologies, including both Agile and Waterfall approaches as applied to client-facing implementations. You are responsible for managing scope, tracking progress, identifying and mitigating risk, maintaining accurate schedules, and communicating effectively with clients and internal teams. You are comfortable with proactive solutioning, and risk mitigation as it is critical to ensuring on-track delivery.

Responsibilities

• Independently manage the delivery of complex client implementations from kickoff through completion
• Lead cross-functional planning efforts, including requirements gathering, scope verification, dependency mapping, and milestone definition
• Drive execution by maintaining project plans, tracking progress, managing risks, and resolving issues proactively
• Serve as the primary execution and coordination point between clients, partners, and internal project teams
• Communicate project status, risks, and decisions clearly and consistently to stakeholders
• Proactively identify blockers and trade-offs; escalate issues effectively with clear context and recommendations
• Maintain accurate schedules, delivery artifacts, and documentation including project plans plans, timelines, risk and decision logs, and retrospectives
• Apply Agile, Waterfall, or hybrid delivery methodologies appropriately based on client and project needs
• Contribute to delivery excellence by following established delivery standards and identifying incremental process improvements

Qualifications 

Minimum Qualifications  

• 2+ years of experience in a client-facing role within SaaS, ideally in onboarding or solution engineering
• Fluent in both written and spoken English
• Experience of using AI tools such as Co-Pilot to streamline project updates.
• Familiarity with product data feed formats (XML, TXT, CSV, JSON), FTP and API
• Highly organized, able to quickly understand technical concepts, and skilled at crafting clear, digestible messaging for client audiences.
• Strong working knowledge of Excel
• Experience managing multiple complex client projects simultaneously
• Strong problem-solving skills with a client-focused mindset
• Excellent communication and presentation skills for both technical and non-technical audiences
• Strong documentation and process development abilities
• Experience delivering software training content
• Ability to thrive in a fast-paced, dynamic environment with shifting priorities

Preferred Qualifications 

• Bachelor's degree in computer science, Information Technology, or a related field.
• 3+ years of experience in a client-facing technical role within SaaS, ideally in onboarding or solution engineering
• Additional language proficiency is a plus
• Familiarity in API integrations (REST and SOAP)
• Experience working with enterprise clients and/or in the e-commerce industry
• Familiarity with remote-based training tools
• Formal training or certification in Project Management methodologies (PMI, Agile, etc.)

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 

• Enhanced Private Medical Insurance and a Health Cash Back Plan
• Life insurance & disability benefits
• Pension plan with 4% Company match
• Competitive time off package with 25 Days of PTO, 8 Company-paid Holidays, 2 paid floating holidays (new in 2026!), 10 paid sick days, 2 Wellness days and 1 Paid Volunteer Day
• £45/month Remote work stipend for internet
• 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.