Senior Product Manager - Open Source Software

Riverlane; Cambridge; Hybrid; GBP 68,000 - 84,000; Full time

Benefits offered by this job

Annual bonus

Private medical insurance

Life insurance

Contributory pension

Equity

28 days annual leave

Job summary

Riverlane in Cambridge seeks a Product Manager for Deltakit to own the product strategy and roadmap, working with engineering, research, and business teams to define priorities and drive value in quantum computing.

You will engage with the community, shape the product narrative, and help launches succeed—balancing bold, long-term vision with deliverable milestones in a hybrid work setting.

Qualifications

• Experience in a B2B product role with ownership of direction and prioritisation.
• Experience in a deep tech environment with complex challenges.
• Degree in engineering or science, or equivalent practical experience.
• Ability to understand product capabilities and real-world usage.
• Ability to navigate trade-offs balancing user value with feasibility.
• High emotional intelligence with active listening, critical thinking and problem solving.
• Ability to work cross-functionally and influence without authority.
• Comfort working in ambiguity in a fast-paced environment.
• Excitement for building a product in a new space within technology.
• Excellent communication, presentation and documentation skills.

Responsibilities

• Engage with users, partners and open-source community to gather insight and feedback.
• Analyse product usage and broader ecosystem to inform priorities.
• Define and communicate product vision, strategy and roadmap.
• Prioritise features to drive developer adoption and engagement.
• Align cross-functional teams and guide product and technical trade-offs.
• Support launches, user engagement and go-to-market activities.
• Develop product collateral and ensure strong documentation and onboarding experiences.
• Monitor delivery progress and adapt plans as needed.
• Drive community engagement and identify opportunities for growth and new use cases.

Skills

B2B product experience

Deep tech environment

Cross-functional collaboration

Clear communication

Ambiguity handling

Initiative & ownership

Education

Engineering or science degree

Tools

SDKs

APIs

CLIs

Job description

Cambridge, UK | Full-time | Permanent | Hybrid

Salary: £68,000 to £84,000 DOE

We will also consider part-time applications for this role. Please indicate your preferred working schedule in your cover letter.

About us

Riverlane’smission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design, quantum computers will help humanity solve some of its most important challenges. But without QEC, the industry’s defining technical challenge, such breakthroughs can never be achieved.Riverlaneis the world leader in QEC technology. QEC is a complex problem that requires a range of skills,talentand passion.

Having raised more than $125M in funding to date to accelerate ourcutting-edgeR&D in quantum error correction (QEC),Riverlanepartners with many of the world’s leading quantum hardware providers and government agencies to make fault tolerant quantum computing a reality.We’remaking remarkable progress and growing fast.

About the role

Deltakit is Riverlane’s open-source software development kit (SDK) for QEC which is designed to help researchers build, test and run QEC workflows as the field of quantum computing rapidly evolves.

You’llsit right at the heart ofDeltakit, working closely with users,partnersand cross-functional teams to deeply understand real-world challenges and translate them into a compelling product direction.You’lluse a blend of user insight,productdataand market context to cut through complexity and focus on what matters most.

You’llown and evolve Deltakit’s strategy and roadmap,bringing together engineering, research, businessdevelopmentand marketing around a shared vision.You’llstrike the balance between bold, long-term ambition andwhat’srealistically achievable today, helping us build for the future of quantum computing while delivering value right now.

Beyond the roadmap,you’llplay a key role in bringingDeltakitto life for the community. From supporting launches to engaging directly with users,you’llshape how we show up, tell our story, and communicate the product’s value in a way that excites and inspires people to build with it.

What you will do

• Engagewith users,partnersand the open-source community to gather insight and feedback
• Analyseproduct usage, developerbehaviourand the broader ecosystem to inform priorities
• Defineand communicateproduct vision,strategyand roadmap
• Prioritisefeatures and improvements to drive developer adoption and engagement
• Align cross-functional teams and guiding product and technical trade-offs
• Supportlaunches, userengagementand go-to-market activities
• Develop product collateral, and ensuring strong documentation and onboarding experiences
• Monitordelivery progress and adapt plans as needed
• Drivecommunity engagement andidentifyopportunities for growth and new use cases

What we need

• Experience working in a B2B product role, or a closely related position with ownership of product direction and prioritisation
• Experienceoperatingin a deep tech environment with complex, evolving problems
• A degree in engineering or science, or equivalent practical experience
• Confidence going technically deep to understand product capabilities,limitationsand real-world usage
• The ability to navigate complex trade-offs and shape product strategies that balance user value with feasibility
• High emotional intelligence, with strong active listening, criticalthinkingand creative problem-solving skills
• The ability to work cross-functionally, influencing without authority and building trusted relationships
• Comfort working in ambiguity and adapting direction in a fast-paced, evolving environment
• Excitement for building a product in a new space within technology
• Excellent communication, presentation and documentation skills, with the ability to tailor to your style to different audiences
• A proactive mindset, able toidentifyopportunities and take initiative to drive improvements

Even better if you have

• Experience working onopen-sourcesoftware products
• Experience building software products thatinterface withhardware products
• Experience shipping developer tools (SDKs, libraries, APIs, or CLIs)
• Some exposure to quantum computing

What can you expect from us

• A comprehensive benefits package that includesan annual bonus plan, private medical insurance, life insurance, and a contributory pension scheme
• Equity, so that our team can share in the long-term success of Riverlane
• 28 days annual leave, plus bank holidays and enhanced family leave
• A diverse work environment that brings together experts in many fields (including software and hardware development, quantum information theory, physicsand maths) and over 20 different nationalities
• A learning environment that encourages individual, team and company growth anddevelopment, including a regular programme of learning events and training and conference budgets

Everyone is welcome at Riverlane. We are an equal opportunities employer and encourage applications from eligible and suitably qualified candidates regardless of age, disability, ethnicity, gender, gender reassignment, religion or belief, sexual orientation, marital or civil partnership status, or pregnancy and maternity/paternity.

Women and other underrepresented groups may be less likely to apply for a role unless they meet all ornearly allof the requirements.If this applies to you, we still encourage you to apply - you may be a great fit, even if youdon’tmeet every single qualification.We’dlove to hear from you.

If you need any adjustments made to the application or selection process so you can do your best, please let us know. We will be happy to help.

GDPR notice: Riverlane collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant see the privacy notice for further details.