Staff Software Engineer

Barcelona / Engineering / Full-time

Seqera Labs is the leading provider of workflow orchestration software enabling collaborative data analysis at scale. Our mission is to empower scientists everywhere with foundational software for collaborative data analysis.

A better world through accelerated scientific discovery

Over the coming years, biotech will fundamentally rewrite the way we live. Gene editing and cell therapy are dramatically changing how we treat cancer and other major illnesses. Biofuels and biomaterials are transforming the cars we drive, the clothes we wear, and the makeup of everyday objects. Crop science and synthetic biology are producing sustainable and ethical food.

At the heart of all of these transformations is the ability for scientists and computational biologists to make sense of an exponentially growing data set. Seqera Labs’ mission is to empower scientists everywhere with foundational software for collaborative data analysis.

Seqera Labs’ founders are the creators of Nextflow, the most widely used open-source framework for computational pipelines and the largest community of computational scientists curating pipelines for advancing science. Seqera Labs’ goal is to provide the foundational software solutions that enable effortless data analysis, for every scientist, on any infrastructure.

Watch this video for a quick understanding of what we do, and see our tech stack here:

*Please Note that LinkedIn requires us to list a specific location. This is a full-time position - Senior level.#LI-Remote: EU (Spain, UK or Portugal)

About the role

We seek a Staff Software Engineer who will be instrumental in consolidating and improving the development and scalability of our software systems. The right individual will have a solid understanding of software design principles, distributed systems, security, and the ability to mentor junior and medium developers.

This role involves designing and overseeing the implementation of our key software products both on cloud platform and enterprise customers: the engineer should be able to build the product while preserving the easiness of deployment and the reliability for customers’ on premises installations.

In addition, this role is responsible for driving technical innovation within the company and ensuring our systems are reliable, secure, and scalable. The successful candidate has a product-oriented development background and can effectively collaborate with product, DevOps, and other areas of engineering (QA, Security, Compute, Engineering Productivity).

Our tech stack includes Groovy/Java, Gradle, Docker, Kubernetes (EKS), Terraform, Go (Golang), Github Actions, Bash, Harbor. Plus we deploy in AWS (VPC, EC2, ECR, Batch).

What You’ll Do

  • Design and extend current architecture for both frontend and backend, fostering innovation and teams’ mentorship
  • Define inbound and outbound communication patterns for our products: assess current API design and extend it with new features by maintaining consistency and backward compatibility
  • Lead the technical conversation with other stakeholders and help teams to have a reliable milestone definition based on product requirements
  • Assess and oversee feature designs built by engineering teams
  • Maintain internal documentation for engineers up to date and build a healthy pipeline for new technical onboardings
  • Improve product technology with an iterative process and a strong experimentation mindset
  • Help in defining key measurements for developer productivity, and work with the engineering teams to constantly improve our developer experience.
  • Help in the execution of the technical roadmap by identifying technical debt or outdated components.

About you

  • Cloud expertise: Deep understanding of cloud architecture and service models (IaaS, PaaS, SaaS) with experience in at least one major cloud platform like AWS, Azure, Google Cloud Platform (GCP).
  • Architecture design: Experience designing, implementing, and managing secure, scalable, and reliable cloud applications.
  • Programming languages: Proficiency in multiple programming languages such as Java, Python, JavaScript, and modern frameworks such as Spring Boot, Micronaut, Django, FastAPI for backend and React, Angular
  • Software Architectures: Knowledge of designing different architectures and proven track of implementing these based on requirements and technical needs
  • DevOps and CI/CD: Understanding of DevOps principles, and experience with continuous integration and deployment using tools 
  • Database expertise: Experience with relational database technologies such as MySQL or Postgres and database migration strategies. Proven track of scalable data model design: knowledge of NOSQL, analytical/OLAP database experience is a plus.
  • Containers and orchestration: Experience with containerization technologies like Docker and orchestration tools such as Kubernetes.
  • Security: Knowledge of cloud security best practices, standards, and industry regulations.
  • Observability: Experience in distributed monitoring and log aggregation: usage of metrics to identify regressions or long tailed inconsistencies detection
  • Certifications: Certifications in cloud platforms (such as AWS Certified Solutions Architect, Google Professional Cloud Architect, Microsoft Certified: Azure Solutions Architect Expert, etc.) are preferred.

Soft Skills:

  • Leadership: As a technical leader, the staff engineer should be able to make decisions based on requirements or infrastructure changes and communicate these properly to the engineering teams. You should be considered as the reference point for high-level technical decisions and should be seen as a mentor for current and upcoming technical changes 
  • Communication: Excellent verbal and written communication skills, capable of explaining complex technical concepts to non-technical stakeholders.
  • Collaboration: Ability to work effectively in diverse teams, fostering a collaborative and respectful environment and allowing teams to be independent in the boundaries of the chosen architecture
  • Strategic thinking: Ability to align software solutions with organizational business goals: it’s fundamental for this position to have a forward thinking mindset and to adapt to other stakeholders and customers’ needs


  • Experience in healthcare, life science, or other enterprise software, technology, or SaaS companies in similar fields.

Why join us?

By learning from and with each other, we ensure our ability to drive innovation and make better decisions toward our mission. Most importantly, our culture provides a genuinely fun, inclusive, and challenging environment that will allow you to grow while making a huge difference in human health and beyond.

What will you find working at Seqera Labs?

- Flexible working hours, and remote-friendly culture.

- International working environment with more than 25 nationalities.

- Passionate & talented team.

- Continuous skills development.

- Team retreats and bonding activities.

- A culture where your opinion is valued and your decisions have a real impact on the industry.

- Excitement of a fast-growing startup in a constantly changing environment.

Great benefits

- Time off: holidays in accordance with the local legislation + 3 days given by Seqera in December of 2023, and the national/public holidays according to your location.

- Equity

- Private health insurance

- Private life insurance

- Home office allowance (valued over 1,000 USD)

- Subscription to Oliva, Mental Health App

- Learning and development budget per year (1,000 USD)

About Seqera

At Seqera Labs we develop software that simplifies complex data analysis pipelines. These pipelines are used for the analysis of data like DNA sequences and fMRI in applications spanning research, agritech and the clinic. Our software enables scientists to create and securely deploy their data applications in the cloud or on traditional high-performance computing infrastructure.

We are the creators and the leading provider of the open-source workflow orchestration software: Nextflow. We connect data pipelines, cloud infrastructure and enable collaboration across life sciences, healthcare, imaging and machine learning. Nextflow is used by thousands of organizations of all sizes—from startups to large enterprises— to manage their data analysis and get results fast.

From personalized immunogenic vaccines to sequencing-based diagnostics, Seqera's customers are performing the most critical work on this planet. We believe in a future where scientific applications and massive datasets join forces to deliver incredible outcomes.

You should know

Seqera Labs is proud to be an equal-opportunity employer. However you identify or whatever your journey to this point, we welcome all candidates to apply for the position that inspires them. Come join us and help us build a global company that everyone is proud to be part of.

As we scale, we constantly improve our in-office and WFH environments and learn to help everyone have the best setup for our company's success and your personal development, while always keeping the human touch in every aspect of our lives.