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ProtolabsPR

Java Software Engineer (Contractor)

Protolabs is a leader in digital manufacturing, specializing in rapid prototyping and low-volume production across various industries.

Protolabs

Employee count: 1001-5000

FR, DE + 5 more

Be yourself at Protolabs

Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification.  We are an equal opportunity employer, and we are committed to building a diverse team that feels they are valued in the workplace.  So do you feel you do not meet every single requirement but still intrigued? We encourage you to still apply!  You can help make our company even better.  We do not discriminate based on race, color, national origin, sexual orientation, gender, age, mental or physical ability, or any way you represent yourself.  We strongly believe diversity makes for more successful teams.

Why Protolabs?

We are the leaders in digital manufacturing. We hire doers, makers, and creative thinkers who tackle our roles with an entrepreneurial spirit. Our culture is centered around meaningful work that brings new and innovative products to market at unprecedented speeds. We are a diverse team that comes from all walks of life and take pride in our team who is smart, genuine, humble, and passionate about what we do. It’s our people who fuel our creativity and make our culture feel like home.
We’re looking for a Java Software Engineer (Remote) to join our team.
This position is remote & open to applicants based in the EU.
We are looking for a Java software engineer to join the Product Operations team at Protolabs, where our mission is to revolutionise our workflow and drive efficiency as we continue our scaling journey. The team is responsible for streamlining processes - from allocating orders to our manufacturing partners, navigating production stages, managing communications and quality controls, orchestrating shipping & logistics, and ensuring timely payments.
In the past, we moved fast with bespoke tools that improved shipping & logistics but left a fragmented landscape. As we scale globally, we are unifying these capabilities and establishing Logistics as a first‑class domain within our product and engineering ecosystem.
This is a true zero-to-one effort. You will ship early, small slices of value - balancing speed with durable foundations for scale and reliability.

Tech environment

For this role: Java microservices with Spring Boot; REST/async APIs; PostgreSQL; Redis; Docker/Kubernetes; CI/CD with GitHub Actions; observability and logging.
RabbitMQ &KNative for eventing
The broader ecosystem you will integrate with: Python services (FastAPI/Flask with SQLAlchemy and Celery), Angular (TypeScript) frontends, Terraform, Docker, k8s for infrastructure, Retool and Zapier for operational tooling. Some internal teams also use Rust and C++.

What’ll you do

  • Ship business value fast: design, implement and release thin slices that reduce manual work, improve on‑time shipments, increase logistical visibility, and shorten cycle times
  • Build and integrate Java-based microservices and APIs: expose secure, well-documented endpoints and integrate with eventing systems
  • Make pragmatic architectural calls: design data contracts and integration approaches that balance speed with long‑term maintainability
  • Establish foundations: set up CI/CD, automated tests, observability and SLOs to ensure reliability from day one
  • Streamline operations: automate exception handling and reconciliations, retire legacy scripts/tools, and remove bottlenecks across the order‑to‑ship flow
  • Collaborate and influence: work closely with Product Ops, stakeholders, and contribute and participate in our Backend Guild
  • Own end‑to‑end delivery: discovery, design, build, deploy, monitor, iterate—and handle production issues to keep value flowing

What it takes

  • 5+ years of experience building web applications and backend services, with at least 3 years of experience in using Sprint Boot in a (micro)services environment
  • Proficiency in Java for designing, developing, testing, and monitoring production systems
  • Experience with relational databases (like PostgreSQL)
  • Familiarity with Docker, Kubernetes, and CI/CD environments
  • Experience working in an agile team, and excellent communication and collaboration skills
  • Bonus point for:

  • Deep understanding of event-based architectures
  • Familiarity with Angular
  • Comfort reading and understanding Python code
  • Nice to have

  • Knows and understands basic concepts and procedures in one of the development disciplines
  • Strong verbal and written communication skills 
  • Excellent work ethic, positive attitude and sense of urgency

About the job

Apply before

Posted on

Job type

Contractor

Experience level

Mid-level

Location requirements

Hiring timezones

Netherlands +/- 0 hours, and 6 other timezones

About Protolabs

Learn more about Protolabs and their company culture.

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Protolabs is the world's fastest source for custom prototypes and low-volume production parts. Founded in 1999 by Larry Lukis, our company radically transformed the manufacturing landscape by drastically reducing the time needed to produce injection-molded plastic prototypes. At Protolabs, we leverage advanced technology, including automated manufacturing processes that connect mills and presses, enabling us to manufacture plastic and metal parts more swiftly than conventional methods.

Our service offerings include injection molding, CNC machining, 3D printing, and sheet metal fabrication. These services cater to engineers and product developers seeking rapid production solutions, allowing them to turn their concepts into tangible prototypes and production-ready components efficiently. We aim to supply quality prototypes and end-use parts in as fast as one day, exemplifying our commitment to conveyance and reliability. With ISO 9001:2015 and AS9100D certifications, we uphold the highest standards in quality control, ensuring that each part manufactured meets our rigorous criteria.

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Protolabs hiring Java Software Engineer (Contractor) • Remote (Work from Home) | Himalayas