Job Closed

This listing is no longer active.

Stack Builders logo
Stack Builders

Software built to make a difference. Let's build together.

Mid-level Software Developer

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Spain

Posted

80 days ago

Salary

0

Seniority

Senior

Job Description

Mid-level Software Developer

Stack Builders

• Act as a technical consultant for industry leaders, identifying inefficiencies in their tech stacks and proposing high-impact modernization strategies. • Proactively leverage Generative AI tools (e.g., Cursor, GitHub Copilot, Claude Code) to accelerate development cycles, automate boilerplate, and focus on high-level architectural problem-solving. • Collaborate with dynamic international teams, employing a clean and pragmatic approach to define project roadmaps, select technologies, and seamlessly integrate them. • Carry out code reviews, pinpointing and applying the best software practices. • Formally mentor mid-level and junior developers, fostering a culture of technical excellence and supporting their career progression. • Contribute to internal and external community initiatives to boost our brand awareness in Spain.

Job Requirements

  • Be permanently located in Spain or have a relocation date set. We require the person to reside in Spain and be legally authorized to work there by the start date, as we cannot sponsor work permits.
  • 5+ years of software development experience in a professional environment.
  • Bachelor’s degree or academic certification in Computer Science, Mathematics, Information Systems, or a similar field.
  • Advanced spoken and written English (B2/C1).
  • Hands-on development experience with at least one of the following technologies: TypeScript, JavaScript, Python, Haskell, GraphQL, Node.js, or PHP. We’d also love to know if you’re a fan of functional programming as we are!
  • Ownership, strong analytical and communication skills, and a drive to exceed expectations!
  • Experience using Agile Methodologies, Testing, and Generative AI tools.
  • A strong understanding of modular design and SOLID principles.
  • Availability to attend monthly coworkings in Madrid if you live there. If you're located in another city, availability to attend quarterly coworkings in Madrid with travel expenses covered by the company.

Benefits

  • 100% remote and flexible modality. Your schedule will typically be from 10:00 am to 7:00 pm from Monday through Thursday to allow overlap with our US clients. On Fridays, you can connect early (8:00 am) and disconnect early (5:00 pm)!
  • A monthly bonus for your internet services while you work from home.
  • Top-tier private health insurance!
  • 23 days of paid vacation plus sick and family leave days.
  • Work Abroad days (subject to policy and approval).
  • Regular 1:1 meetings with your manager, pair programming sessions with teammates, and a continuing education budget of €200/yr.
  • Opportunities to participate in OSS projects, company-sponsored conferences, and technical talks.
  • Personalized anniversary gift.
  • A fun and supportive work environment where you can engage with diverse projects and industries, utilizing various tools and technologies.
  • A Welcome Package with a company laptop and additional equipment so you can work comfortably from home.

Related Job Pages

More Full-stack Engineer Jobs

Thermo Systems logo

Engineering Team Lead

Thermo Systems

A global, full-service control systems integration firm, currently seeking world-class automation experts to join us.

OtherRemoteTeam 201-500Since 1998H1B No Sponsor

• Works on a variety of control system projects. • Capable of leading several project related tasks and/or large projects in their entirety. • Provides engineering support on projects led by others. • Assumes ultimate responsibility for the assigned projects/tasks. • Leads and develops a team. • Take on the role of the customer's main contact on the projects that the employee is assigned to lead. • Identify changes in scope to overall projects and/or tasks. • Ensures the team adheres to a realistic schedule and budget.

United States
Job Closed
OtherRemoteTeam 1-10

• Collaborate with infrastructure to design and build scalable SDN orchestration systems leveraging NVIDIA Bluefield-3 DPUs to deliver programmable, high-performance networking for AI workloads with hardware-accelerated forwarding isolation. • Design and implement networking systems for research computing environments including Kubernetes and SLURM clusters, enabling high-performance connectivity, optimized network topology for distributed workloads, and seamless integration with cluster orchestration systems. • Implement automated SDN provisioning systems that handle VPC creation, subnet allocation, routing configuration, and network resource lifecycle from deployment through decommissioning. • Develop platform capabilities for managing Bluefield-3 DPUs including SR-IOV virtual function management, OVS offload configuration, network function deployment, and integration with compute orchestration systems. • Build enterprise-grade network isolation using VPCs, VXLAN, and hardware-accelerated forwarding to ensure complete tenant separation while maintaining high-performance connectivity for GPU clusters and distributed workloads. • Collaborate with infrastructure to optimize network paths for RDMA, RoCE, and GPU-to-GPU communication, ensuring minimal latency and maximum throughput for distributed training and large-scale computational workloads. • Develop robust APIs and SDKs for network resource management that integrate seamlessly with compute and storage platforms, enabling programmatic network provisioning and configuration. • Implement comprehensive network monitoring, telemetry, and troubleshooting systems that provide visibility into network performance, utilization, and tenant traffic patterns. • Build platform network security features including security groups, firewall rules, and policy enforcement that protect tenant workloads while enabling flexible network configuration.

Illinois
$165K - $225K / year
OtherRemoteTeam 1-10

• Design and build scalable compute orchestration platforms that manage GPU clusters, bare-metal server provisioning, and resource allocation across co-located infrastructure environments. • Implement intelligent workload scheduling, resource allocation, and optimization algorithms that maximize GPU utilization while maintaining performance guarantees for research and training workloads. • Design and implement systems for provisioning and managing research computing environments including Kubernetes and SLURM clusters, enabling automated deployment, resource scheduling, and workload orchestration for distributed AI training and HPC workloads. • Develop platform capabilities for managing latest-generation NVIDIA GPU configurations (H100, H200, B200, B300), including GPU resource management, multi-tenant isolation, and integration with compute orchestration systems. • Build automation and tooling for complete bare-metal server lifecycle management – from initial provisioning and configuration through ongoing operations, updates, and resource reallocation. • Optimize compute platform components for high-throughput and low-latency performance, ensuring research workloads achieve near-bare-metal efficiency in virtualized or containersized environments. • Develop robust APIs and SDKs that enable researchers to programmatically provision and manage compute resources, integrating seamlessly with existing workflows and research infrastructure. • Implement comprehensive monitoring and telemetry systems for compute resources, providing visibility into GPU virtualization, workload performance and infrastructure health. • Build enterprise-grade multi-tenant compute isolation, security boundaries, and resource quotas that enable safe sharing of GPU infrastructure across teams and organizations.

Illinois
$165K - $225K / year
Full TimeRemoteTeam 51-200H1B No Sponsor

• Develop independent microservices that solve domain-specific problems (users, vehicles, debts, payments, etc.). • Responsible for the entire code development lifecycle, from planning with the product team (pre-code) through production deployment and monitoring its impacts (post-code). • Troubleshoot and contribute to the challenges of the technology and product teams by sharing ideas, solutions, code, architectures, etc. • Improve the software development experience within the company, including tools, test coverage, code structure, and more. • Actively participate in software design discussions and decisions, taking the lead and helping to create documentation. • Create scalable, sustainable, and user-focused solutions. We use technologies such as Node.js, Python, React Native, Flutter, and PostgreSQL. You don’t need prior experience with all of them, but you should be open to learning them. • Help structure the software architecture to harmoniously orchestrate our services.

Brazil
Job Closed