Software Developer - Distributed Scheduling & Workload Orchestration

Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.


Job Details

Viridien is seeking a Software Developer - Distributed Scheduling & Workload Orchestration to design, build, and improve systems responsible for job scheduling, resource allocation, and workload orchestration across distributed environments.

This role focuses on building scalable and reliable systems that coordinate workloads across clusters, using technologies such as Slurm, Golang, Java, PostgreSQL, and containerised microservices.

About The Team

You will join a team working on distributed systems and infrastructure that support large-scale compute and workload execution.

The team focuses on building reliable scheduling and orchestration systems that manage resources efficiently across complex environments.

Key Responsibilities

- Scheduling & Orchestration

• Design and develop systems for job scheduling and workload orchestration.
• Integrate and extend scheduling capabilities using tools such as Slurm.
• Manage job lifecycles, resource allocation, and execution workflows.

- Backend & Data Systems

• Design and build APIs and backend services supporting scheduling systems.
• Work with PostgreSQL to manage system state and coordination.

- Performance & Reliability

• Analyse and improve system performance, scalability, and reliability.
• Ensure efficient resource utilisation across distributed environments.

- Architecture & Collaboration

• Participate in system design and architecture discussions.
• Work with cross-functional teams to evolve scheduling and orchestration capabilities.

Qualifications

Required

• Strong software development experience.
• Proven experience building backend services or distributed systems.
• Experience with job scheduling, orchestration systems, or resource management concepts.
• Strong understanding of distributed systems concepts such as coordination, consistency, and fault tolerance.
• Experience working with PostgreSQL.
• Experience designing APIs and backend services.
• Familiarity with containerised environments and microservices architectures.
• Strong problem-solving and analytical skills.

Preferred

• Experience with Slurm or similar workload managers.
• Experience in HPC or large-scale compute environments.
• Experience with Golang or Java.
• Familiarity with C/C++ and performance-critical systems.
• Experience providing technical or project leadership.

Why work with us?

• Competitive salary commensurate with experience
• Highly attractive bonus scheme
• Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program
• Company pension with generous employer contribution
• Wellbeing Unmind app - puts you in control of your mental health
• A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!
• Regular social club events, spontaneous reward events throughout the year
• Cycle purchase scheme
• Flexible Private Medical & Dental care programmes
• Sponsorship of visas/comprehensive relocation packages
• Bank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!
• Relaxed dress code policy

Learning and Development

At Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.

We Care About The Environment

We encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.

Our Hiring Process

At Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience.

Due to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant. Only candidates whose qualifications closely match the role criteria will be contacted for an interview. We do, however, aim to share personalized feedback with those who progress to the first round of interviews and beyond.

We are also dedicated to ensuring that our hiring process accessible to all. If you require any reasonable adjustments to fully participate in the application or interview stages, please don't hesitate to contact your recruiter directly.

We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.