About this role
Hajoca Corporationis one of the country’s largest privately-held wholesale distributors of plumbing, heating & cooling, and industrial supplies. Founded in 1858,Hajoca is a company based on the principles of “Service, Integrity, Reliability,” and on relationships of trust and support with teammates, customers, and suppliers. Throughout its history, Hajoca has played an active role in shaping advances in plumbing. However, we attribute our success to two simple truths; a unique business philosophy and talented people. Hajoca is all about the people, who give us our advantage, and who will guide us successfully into the future.
Although Hajoca is a large company, we work in a decentralized environment where each of our locations, called Profit Centers (PCs), is run by the Profit Center Manager as if it were their own small business. A typical Profit Center is the heart of our business and consists of a warehouse, counter, sales office, and (sometimes) a showroom. Our PCs conduct business under unique trade names and offer a customized business approach, honoring what’s special about each local marketplace.
Onsemble is one of those trade names and is looking for an Engineering Manager at their San Francisco, CA location. This is a hybrid position.
Pay for this position is between $150,000 and $170,000 per year at this location.
Are you a software engineer looking to make a real-world impact? Are you eager for an opportunity to shape the use of modern AI-native software? Are you a hands-on leader with an ownership mindset? If so, then we’d like you to join our dedicated team as Onsemble Engineering Manager.
About the Role:
The Onsemble Engineering Manager leads product development across our contractor-facing platform. Partnering closely with Product and Business leadership, they translate real customer needs into reliable, scalable software – all while building and supporting a small, high-leverage engineering team.
This is a hands-on leadership role is accountable for execution, technical direction, and team health, while still staying close enough to the codebase and architecture to evaluate and guide technical decision making.
In this role, you will:
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Lead Our Engineering Team
- Hire, manage, mentor, and develop a small team of engineers, helping them grow in impact and autonomy.
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Set clear performance expectations and goals surrounding ownership, delivery, and collaboration, and conduct regular performance evaluations to assess progress and provide feedback.
- Actively practice and model AI-enabled software development in day-to-day work, using modern coding assistants and agentic tools to design, build, review, and ship production software.
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Coach and mentor junior and senior engineers on their career, including responsible AI tool adoption to increase leverage, velocity, and quality while reinforcing strong engineering judgment and ownership.
- Create an environment where engineers can move quickly without sacrificing quality or judgment. Setting aside time for the team to learn from mistakes and drive better business outcomes.
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Drive Product Initiatives & Execution
- Own the delivery of key product initiatives end-to-end, from discovery through launch and iteration.
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Partner with Product to scope work, sequence builds, and make thoughtful tradeoffs between speed, quality, and durability.
- Ensure the platform evolves in a way that supports increasing scale, complexity, and customer adoption.
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Act with urgency, being responsive to important and time-sensitive matters and owning their resolution.
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Set the Technical Direction
- Set the technical direction for an AI-driven development model, where large portions of production code are authored, refactored, and tested with AI assistance.
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Actively use and guide the team on tools like Claude Code and similar agentic coding systems to increase leverage, velocity, and code quality – while maintaining strong human judgment around architecture, correctness, and long-term maintainability.
- Guide architecture and technical decisions across frontend and backend systems.
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Maintain a high bar for code quality, reliability, and maintainability.
- Ensure AI-enabled features are built responsibly, pragmatically, and in ways that deliver real customer value.
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Ensure Operational Excellence
- Improve development workflows, tooling, and processes to increase team velocity.
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Identify risks early and address them through planning, communication, and technical strategy.
- Act as a steady execution partner to leadership as the product scales.
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Successfully complete required safety and compliance training programs as assigned.
- Perform other reasonably related duties as assigned by immediate supervisor and other management as required.
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Frontend: React, TanStack Query, Vite, TypeScript
- Backend: Node.js, Express.js, TypeScript; serverless and API-based services
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Data: PostgreSQL (via Supabase), Drizzle ORM
- Infra: Supabase; Heroku; AWS (including Lambda for async and integration workflows)
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Auth: Clerk
- AI: Claude-based integrations and internal tooling; GPT-5 for search
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Bachelor's Degree in Computer Science, Data Science, or the equivalent combination of education, professional training, or work experience.
- 3 or more years of professional software engineering experience.
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1 or more years in a technical leadership or engineering management role (formal or informal).
Our ideal candidate will also:
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Have a strong background and familiarity with AI-assisted software development; modern web applications, with deep familiarity in React / Node.js ecosystems, and Claude Code.
- Possess a solid understanding of backend APIs, data models, and system integrations.
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Be comfortable making architectural decisions and explaining tradeoffs.
- Have experience with the shipping production software used daily by real customers.
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Demonstrate a practical orientation toward AI: using it to increase leverage and velocity, not novelty.
- Have a strong ownership mindset with the ability to take responsibility for outcomes, not just tasks.
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Be a clear communicator who proactively aligns engineers, product, and stakeholders.
- Be a calm, pragmatic leader who thrives in ambiguity and fast-moving environments.
- Demonstrate excellent interpersonal skills and the ability to work effectively across all levels of the business as well as with external vendors.
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Be able to research, analyze data and solve complex technical and process-related problems.
- Have strong attention to detail and the ability to meet deadlines.
The benefits of working with us:
Our culture is well-suited for exceptional people who use their talents to drive business and want to share in the financial success their efforts yield. In addition to a competitive starting wage, we offer a Profit-Sharing Program that provides each team member with an opportunity to earn a direct share of the profits on an annual basis. In addition to our generous compensation package, Hajoca also offers:
Full-time benefits (for team members working 30 or more hours per week):
- Medical, dental, vision, and prescription coverage
- Accident and Hospital Indemnity coverage
- Life insurance and Long Term Disability
- Pre-tax accounts for healthcare and dependent care
- Paid vacation, holidays, and sick time (sick time also offered to PT team members as required by state law)
- Paid pregnancy and parental leave
- Paid day of community service
Full-time and part-time benefits:
- 401(k)
- Retirement cash account with company contributions
- Targeted training programs focused on your personal and professional growth
- Company wellness program
- Employee discounts
- College tuition benefits
*Please note that benefit offerings may differ for teammates covered under a collective bargaining agreement or employed through an intern program.
EEOC Statement
Hajoca Corporation is an Equal Opportunity Employer (Equal Opportunity Employer/Veterans/Disabled).
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity/expression, national origin, age, veteran status, disability, or any other protected category pursuant to federal, state or local laws and will not be discriminated against on the basis of any such categories/status. Hajoca is committed to providing reasonable accommodations for qualified individuals with disabilities including, but not limited to, during the application process. Please let us know if you need assistance or an accommodation due to a disability.
We are a drug free workplace. Employment is contingent upon pre-employment drug screening, subject to any federal, state and local laws.
Other facts
About Hajoca Corporation
In 1858, one enterprising individual invested his life savings of $200 to start a business grinding key stops for plumbers in Philadelphia. More than 150 continuous years of service later, that business is known as Hajoca Corporation. Hajoca has a robust history of helping to shape advances in plumbing. But we attribute our success to two simple truths - a unique business philosophy and talented people.
What you'll do
- The Onsemble Engineering Manager leads product development for a contractor-facing platform, managing a small engineering team while ensuring the delivery of key product initiatives. They are responsible for setting technical direction and improving development workflows to enhance team performance.
Ready to join Hajoca Corporation?
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