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Flexcompute

Senior Backend Software Engineer

Flexcompute

. Design and implement scalable solutions for the advanced electromagnetic simulation platform.

Posted 11/11/2026full-timeRemote • GreeceSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend engineering with a focus on Java, Python, or C++, and possesses strong experience in designing and deploying scalable cloud solutions, particularly in high-performance computing environments. Proficient in API design, CI/CD pipelines, and infrastructure management for distributed systems.

Highest-signal resume keywords
Backend EngineeringCloud Solutions ArchitectureAPI DesignHigh-Performance ComputingCI/CD Pipeline Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaPythonC++Cloud ComputingDistributed SystemsAPI DevelopmentHigh-Performance ComputingInfrastructure as CodeMonitoring and ObservabilityTask Scheduling
Soft Skills
Innovative MindsetAdaptabilityCollaboration
Tools & Technologies
AWSKubernetesDockerTerraformAnsibleLinuxNetworkingSecurity PracticesCI/CD ToolsJob Schedulers
Certifications & Qualifications
Bachelor's Degree in Computer ScienceComputer EngineeringTelecommunications Engineering
Industry Keywords
Electromagnetic SimulationSimulation Data ManagementHybrid Cloud SolutionsCompute ClustersScientific Computing

Tech Stack

Tools & technologies
AnsibleAWSCloudDistributed SystemsDockerJavaKafkaKubernetesLinuxPythonTerraformC++

About the role

Key responsibilities & impact
  • Design and implement scalable solutions for the advanced electromagnetic simulation platform.
  • Contribute to API unification, simulation data management including caching, syncing, and storage, and scripting improvements.
  • Collaborate with EM and infrastructure teams on simulation-specific solutions.
  • Enhance backend and scheduler integrations and Python frontend functionality.
  • Improve task pipelines through web API design for a multiphysical simulation context.
  • Develop and maintain hybrid cloud compute and storage solutions integrating on-premise HPC systems with modern cloud platforms.
  • Optimize and manage high-performance computing clusters with high-speed interconnects.
  • Own substantial parts of the platform end to end with limited direction and direct access to founders.
  • Architect and deploy infrastructure for distributed simulation workloads across cloud and on-premise compute.
  • Design scalable web APIs for simulation job orchestration and data access.
  • Build CI/CD pipelines and infrastructure-as-code systems for reproducible deployments.
  • Implement monitoring and observability systems for simulation performance and reliability.
  • Improve platform scalability for growing user traffic and compute demand.
  • Design secure service architectures, authentication, and licensing systems.
  • Optimize infrastructure utilization across CPU and GPU resources.

Requirements

What you’ll need
  • Strong backend engineering in at least one of Java, Python or C++.
  • Deep expertise in at least one of Java, Python or C++.
  • Real production cloud experience; AWS preferred.
  • Production experience operating distributed systems.
  • Direct ownership of a production backend service from design through deployment and operation.
  • Fluent professional English, spoken and written.
  • Based in Greece or willing to relocate to Greece.
  • Right to work in Greece without visa sponsorship.
  • Availability for four to six hours of overlap with the Boston team.
  • Bachelor's degree in computer science, computer engineering, telecommunications engineering, or a closely related field.
  • Kubernetes and Docker, Terraform or Ansible, monitoring and observability tooling, Linux troubleshooting, networking and security practices, the simulation stack, and HPC are identified as learnable areas; HPC is preferred, not mandatory.
  • Bonus experience with load balancing, autoscaling, queues or streaming systems such as SQS, SNS or Kafka.
  • Bonus experience integrating cloud platforms with HPC environments or large compute clusters.
  • Bonus familiarity with job schedulers or batch systems, distributed compute frameworks, or large-scale data pipelines.
  • Bonus experience supporting scientific computing or simulation platforms.
  • Bonus knowledge of GPU infrastructure and resource scheduling.
  • Bonus experience building developer platforms or internal infrastructure tooling.
  • Innovative mindset and ability to learn quickly, adapt to new challenges, and innovate in a fast-paced startup environment.

Benefits

Comp & perks
  • Competitive compensation and equity.
  • Remote within Greece, with four to six hours of overlap with our Boston team (afternoon and early evening in Athens).
  • Fully flexible hours and unlimited PTO.
  • Periodic company-paid travel to Boston to work with the core team.
  • Learning sponsorship.
  • Travel allowance.
  • AI tools budget (the company pays for Claude, Cursor and similar).
  • Fitness benefit.
  • Friendly, thoughtful, and intelligent coworkers.