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Senior Bazel Engineer

Role overview

Qualifications

  • Strong hands-on experience with Bazel and modern build systems
  • Senior-level experience in software engineering
  • Strong understanding of build system architecture, scalability, and performance optimization
  • Experience with developer productivity tooling and CI/CD environments

Responsibilities

  • Design, implement, and optimize build infrastructure for large-scale software projects
  • Improve developer productivity, build reliability, and engineering velocity by leveraging Bazel and related technologies
  • Collaborate with experienced engineers across a variety of domains
  • Contribute to open source projects and work directly with clients

Key facts

Hard skills

Other skills

  • Communication
  • Collaboration
  • Problem Solving

About the company

Tweag logo

Tweag

  • Software / SaaS
  • Scaleup
  • 51–200
Tweag is a software innovation lab that helps deep tech startups quickly scale their engineering performance and execute on high-risk, high-reward projects with confidence. Tweag’s team of engineers are behind today’s boldest innovations in machine learning, distributed computing and biotech. Applying mathematics, computer science and the methods of open source to software engineering, Tweag stretches what’s possible for clients. Our engineers are embedded in your team, sometimes for years at a time, from concept-to-launch. We inject expertise and capacity build your own team to kickstart innovation and accelerate your time to market.

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Job description

Join our team as a Bazel Engineer at Tweag, part of the Modus Create group! 

About us

Tweag is a software innovation lab dedicated to improving the craft of software engineering through functional programming, reproducible build systems, and open source leadership. The company unites researchers and engineers to solve complex technical challenges for industry leaders in fintech, biopharma, and automotive systems.

Tweag has been active in the Bazel ecosystem since 2018 and is recognized for its thought leadership, open source contributions, and consistent high quality of its consulting services.

Since 2022, Tweag has been part of the Modus Create group, a global digital product engineering consultancy.Together, the organizations help clients solve complex engineering challenges and accelerate digital transformation through world-class technical expertise. 

Opportunity:

We are looking for a Bazel Engineer to join our Scalable Builds department in a fully remote, distributed environment. In this role, you will work closely with clients to design, implement, and optimize build infrastructure for large-scale software projects. You will help organizations improve developer productivity, build reliability, and engineering velocity by leveraging Bazel and related technologies.

You will collaborate with experienced engineers across a variety of domains, contribute to open source projects, and have opportunities to shape the future of build systems both within Tweag and in the broader Bazel ecosystem. This is an excellent opportunity for someone who enjoys solving complex technical problems while working directly with clients and the open source community.

Requirements: 

  • Strong hands-on experience with Bazel and modern build systems
  • Senior-level experience in software engineering
  • Strong understanding of build system architecture, scalability, and performance optimization
  • Experience with developer productivity tooling and CI/CD environments
  • Consultant mindset: confident yet humble, principled yet pragmatic
  • Strong written and verbal communication skills
  • Comfortable presenting technical solutions clearly to clients
  • Ability to collaborate effectively in a fully remote environment
  • Interest in exploring new technologies and contributing to open-source communities

Bonus points:

  • Experience migrating legacy build systems to Bazel or improving existing Bazel-based setups
  • Experience setting up and optimizing Bazel remote caching and remote build execution (RBE) for performance and scalability.
  • Broad exposure to multiple programming languages and platforms

You'll love:

  • Fully remote position with excellent work/life balance
  • Deep diving into complex engineering challenges
  • Sharing knowledge through open source contributions and community engagement
  • Continuous learning and growing your expertise in scalable build infrastructure
  • Representing Tweag while working with some of the world's most recognized brands

You love learning and understand that software is an ever-evolving world. You enjoy playing with new tech and exploring areas that you might not have experience with yet. You are self-driven, self-learner willing to share knowledge and participate actively in your community.

Having overlap with your team is critical when working in a global remote team. Modus requires all team members to overlap with EST hours daily. In addition, reliable high speed internet is a must.

Things You Might Do

Modus is a fast-growing, and remote-first company, so you'll likely get experience on many different projects across the organization. That said, here are some things you'll probably do:

• Give back to the community via open source and blog posts
• Travel and meet great people- as part of our remote-first lifestyle, it's important that we come together as needed to work together, meet each other in person and have fun together. Please keep that in mind when you apply.
• Teach and be taught: Modus creates active teams that work in internal and external projects together, giving opportunities to stay relevant with the latest technologies and learning from experts worldwide
• Interact directly with internal and external clients to represent Modus and its values.

Our Benefits may vary according to the Country you are located in, so please reach out to our recruiter in case you have any questions.

If you live in Costa Rica and you become a full-time employee, we offer:

• Competitive compensation
• 100% Remote work (could vary according to the client's needs)
• Flexible working hours
• Travel according to client's needs
• Company paid private insurance
• The chance to work side-by-side with thought leaders in emerging tech
• Social Security (CCSS) by law

If you live in France, Switzerland, Sweden, Germany, or the Netherlands and you become a full-time employee, we offer:

• A permanent employment contract according to the labor laws of the country you are living in (PTO may vary depending on the countries listed above)
• A laptop and an onboarding budget for home office need
• Mental Health Support Program
• Health coverage (sick leave)
• Conference: Flight/train ticket + accommodation + food
• Remote work or hybrid work (Paris and Lyon)

If you live in Romania and you become a full-time employee, we offer:

• Competitive compensation
• Medical insurance
• Meal vouchers
• Telework indemnity
• Bookster subscription
• Extra PTO Days with Tenure per year worked(up to max. 4 days)
• Possibility to obtain paid certification/courses if they align with company goals and are relevant to the employee's role
• Client Referral program
• 100 % remote work and the possibility to work from the office
• The chance to work side-by-side with thought leaders in emerging tech

If you live in the USA and you become a full-time employee, we offer:

• Competitive compensation
• Health insurance (medical, vision, and dental) and other benefits (FSA and HSA)
• Virtual Care support
• 401(K) match to up to 3.5% of your annual salary
• Optional Voluntary Short or Long-term disability insurance.
• Remote work
• The chance to work side-by-side with thought leaders in emerging tech
• Flexible Time Off/PTO

If you live anywhere else, you can become a contractor, and then we offer:

• Competitive compensation
• 100% Remote work (could vary according to the client's needs)
• Travel according to client's needs
• Employee Referral Program
• The chance to work side-by-side with thought leaders in emerging tech

About Modus

Modus Create is a digital product group that accelerates digital transformation. We use high-performing teams, emerging technology, and “new school” product development tools and methods to accelerate business outcomes. We support our clients across four core delivery areas: business and product strategy consulting, customer experience, cloud services, and Agile software delivery. 
Driven by a team of world-class talent, we have been recognized by the Inc 5000 list of Fastest Growing Private Companies nine years in a row, the Washington Business Journal list of Fastest Growing Companies in the Washington, DC area three years in a row, and a top company for remote work by FlexJobs. We’re also an official partner to Atlassian, AWS, Cloudflare, GitHub, InVision, Ionic Framework, and Vue.js!
Founded in 2011, with our HQ in Reston, Virginia and offices in Costa Rica, Romania and France, Modus has employees all over the world. Based on the model of an open source team, Modites work remotely and are located across the globe. This has allowed us to hire the best talent in the world, no matter where they live. Our highly collaborative, autonomous, and effective working environment is fueled by a team unified by a love of continuous learning. Our years of thought leadership including books, whitepapers, blog posts, conferences and MeetUp talks, demonstrate our commitment to sharing what we’ve learned.
We encourage every Modus employee to do the same. Our company is a platform for the growth of our employees. Through working with our distributed team of experts on challenging projects, every person that joins the Modus team can expect to continue growing and learning every day. This is your chance to be part of building something great.

*Federal law requires Modus Create to confirm the identity and employment eligibility of all persons hired to work in the United States as full-time employees.
*The statement above does not apply to 1099 Contractors or International Contractors

Modus Create is committed to creating a diverse environment, and each of us contributes to inclusion.  All qualified applicants will receive consideration for employment without regard to 
race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.

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