Senior/Staff Software Engineer – Tech Lead

OpenMined

. Lead the ScreamingFace squad building an open-source Python toolkit and leaderboard for fusion models and benchmark evaluations .

Posted 10/31/2026contractRemote • Colombia, Brazil, Argentina, UruguaySenior💰 $77,000 - $128,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in software engineering with a strong focus on Python development, technical leadership, and building scalable production systems. Proven ability to mentor teams, establish best practices, and drive high-quality software delivery in collaborative environments.

Highest-signal resume keywords

Python 3.12+ ProficiencyTechnical LeadershipProduction Software DevelopmentFastAPI Services ExperienceDistributed Systems Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringAI Coding AgentsAsync OrchestrationTyped SDK DesignAPI DesignCode ReviewCI/CD PracticesDAG ExecutionError HandlingModularity

Soft Skills

MentoringAccountabilityCollaborationCommunicationComfort with Ambiguity

Tools & Technologies

FastAPIVue 3TypeScriptRustTauriVector DatabasesRetrieval PipelinesEmbedding StrategiesNetworkingP2P Applications

Industry Keywords

Open-SourceTechnical ArchitectureProduction ReadinessOperational RunbooksSoftware DeliveryBenchmark EvaluationsFusion ModelsHigh-Trust RelationshipsCross-Functional CollaborationScalable Roadmaps

Tech Stack

Tools & technologies

Distributed SystemsPythonRustTypeScriptVue.js

About the role

Key responsibilities & impact

Lead the ScreamingFace squad building an open-source Python toolkit and leaderboard for fusion models and benchmark evaluations
Own the squad's technical architecture end to end across design, engineering, and deployment
Deliver reliable technical capabilities and user experience from current implementation through product roadmap evolution
Drive production readiness through deployment monitoring, error handling, graceful degradation, and operational runbooks
Establish and mentor engineering best practices for modularity, security, reliability, scalability, code quality, and production delivery
Collaborate on core technology stack strategy and identify shared organizational primitives and standard interfaces
Partner with the product lead on realistic, scalable, and architecturally sound roadmaps
Own delivery of engineering quarterly goals and manage resources for consistent, high-impact delivery
Own team output, delivery, productivity, timeliness, morale, and alignment of team members with work
Establish robust tools, processes, and methodologies for high-quality software delivery
Provide hands-on technical leadership through individual development contributions, code reviews, pairing, and architectural guidance
Create technical documentation and processes supporting high velocity and knowledge transfer
Work closely with Kevin McDonough, Head of Engineering

Requirements

What you’ll need

8+ years of professional software engineering experience with a track record of personally building, shipping, and operating production systems at meaningful scale
Hands-on experience building production software with AI coding agents, such as Claude Code or Cursor, and helping a team manage agentic workflows
Strong Python 3.12+ proficiency
Experience with FastAPI services, async orchestration of concurrent model calls, typed SDK design and packaging, parsers, ASTs, and DAG execution
Distributed systems and API design experience, including design and evolution of interfaces consumed by multiple independent teams
Technical leadership experience introducing code review, testing, and CI/CD practices to one or more teams
Mentored or managed at least 2 engineers; direct reports not required
Comfort with ambiguity and resource constraints
Commitment, accountability, and ownership
Async-fluent with strong written communication and capacity to build high-trust working relationships across a 6hr+ time zone spread
Cross-functional collaboration and communication with engineering and non-engineering/non-technical stakeholders
Preferred: practical RAG and information retrieval experience with vector databases, retrieval pipelines, embedding strategies, and aggregation
Preferred: Vue 3 / TypeScript, Rust / Tauri, or cross-platform desktop app experience
Preferred: networking/P2P application experience

Benefits

Comp & perks

Mission-Driven Work: Be part of a 501(c)(3) nonprofit organization, focused on social impact rather than profit, offering the chance to make a meaningful difference in the world.
Open Source Contribution: Make a real impact by contributing to an Open Source project that benefits a broad community.
Collaborative Global Team: Join a dynamic, international team that values collaboration and diversity.
Flexible Work Hours: Enjoy the autonomy to structure your work hours around what best fits your life and productivity.
Fully Remote Work: Work remotely within the location requirements for this role.
Independent contractor engagement with an initial 12-month term expected to renew.
Roughly full-time commitment.
Self-set schedule.
Working-hour overlap with US Eastern business hours.