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Freelance Full Stack Python Developer Jobs in California

Teserac, Inc.

Full Stack Developer

Sunnyvale, CA · On-site

Why You Would Be a Good Fit You are a full-stack engineer who takes pride in shipping features that ... Solid backend experience: Node.js/TypeScript or Python; RESTful API design; relational and time ...

eTrigue

(1) Application Full Stack Developer

San Jose, CA · On-site

$110K - $125K/yr

Implement and manage back-end services and APIs using a mix of PHP, Java, and Python. * Collaborate ... Qualifications Required Experience for Application Full Stack Developer role: * 5+ years of ...

Jobsbridge

Java Full Stack Developer

Los Angeles, CA

$56.50 - $73/hr

Full Stack Developers with good J2EE experience. Strong background in J2EE development, Spring ... Python, Perl, SQL) Experience development front-end code. Experience leading initiatives and ...

Krew Research

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're ... Experience with backend development (Python, Go) * Strong code quality habits (testing, reviews ...

Krew

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're ... Experience with backend development (Python, Go) * Strong code quality habits (testing, reviews ...

Trabus Technologies

Full Stack Engineer

San Diego, CA · On-site

Build and maintain applications using Python, Django, React, and related technologies. * Design and ... Support CI/CD pipeline development and automation using DevOps best practices. * Deploy and manage ...

Trabus Technologies

Full Stack Engineer

San Diego, CA · On-site

Build and maintain applications using Python, Django, React, and related technologies. * Design and ... Support CI/CD pipeline development and automation using DevOps best practices. * Deploy and manage ...

Nash, Inc.

Full Stack Engineer

San Francisco, CA · On-site

Full Stack Engineer San Francisco / Hybrid/Remote About Nash Logistics is the substrate beneath ... You will own features end to end across React and Python, working directly with our VP of ...

PBK

Full Stack Developer III

Berkeley, CA · On-site

The Full Stack Developer III builds and supports applications, integrations, and digital tools that ... NET/C#, Python, or similar technologies, with REST API design experience. * Experience designing ...

PBK

Full Stack Developer III

Los Angeles, CA

The Full Stack Developer III builds and supports applications, integrations, and digital tools that ... NET/C#, Python, or similar technologies, with REST API design experience. * Experience designing ...

EarnIn

Senior Full Stack Engineer

Mountain View, CA · Hybrid

$210K - $257K/yr

Design and build robust backend services and APIs in Python with Django, focusing on reliability, security, and scalability. * Establish and uphold full-stack engineering standards, including ...

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Full Stack Developer

Teserac, Inc.

Sunnyvale, CA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago

Job description

About the Role
Teserac is building neuron™, a unified AI-native platform for data center observability, intelligence, and workflow automation. neuron™ processes real-time telemetry from thousands of sensors, meters, and control systems across heterogeneous data center environments - giving infrastructure owners and operators the visibility to monitor, analyze, automate, and proactively manage power operations with full situational awareness. An embedded AI teammate serves as every operator's always-on co-pilot: detecting anomalies, correlating events, and surfacing recommendations 24/7.
As a Full Stack Developer, you will build the features and interfaces that data center operators rely on to monitor, analyze, and act on real-time power and operational data. You will work across the entire stack - from real-time dashboards and alerting UIs to backend data pipelines and API integrations.
This is a high-impact role where your code ships to production quickly and directly affects how some of the world's most critical infrastructure is managed. You will work closely with the Principal Software & Architecture Lead, Product, and Solution Engineering in a fast-moving, small-team environment.
We move fast. We avoid bureaucracy. We expect engineers to own outcomes, not tickets.
Why You Would Be a Good Fit
You are a full-stack engineer who takes pride in shipping features that are fast, clean, and production-ready. You're comfortable in unfamiliar territory - whether that's a new protocol, an unfamiliar dataset, or a tight deadline - and you default to ownership rather than waiting for direction. You thrive in fast-moving environments where your work has direct, visible impact.
You likely:
  • Build front-to-back: you can wire a real-time dashboard from WebSocket to pixel without passing the baton.
  • Write clean, tested code and treat code reviews as a team learning opportunity.
  • Are comfortable with ambiguity - you can turn a rough product requirement into a well-scoped implementation plan.
  • Have worked with time-series or streaming data and understand the performance implications of large dataset rendering.
  • Learn quickly and enjoy working at the intersection of software, data, and physical systems.

Key Responsibilities
Front-End Development
  • Build and maintain front-end interfaces for neuron™: real-time dashboards, alerting systems, capacity planning views, and operational workflow UIs.
  • Build UI components and workflows for the AI teammate: interaction panels, recommendation displays, approval workflows, and audit trails.
  • Optimize application performance for real-time data rendering, large dataset visualization, and responsive user experiences across device types.

Back-End Development
  • Develop backend services and APIs that power data ingestion, normalization, and delivery of telemetry from diverse data center sources.
  • Implement integration modules for BMS, EPMS, and third-party monitoring systems using protocols including Modbus, BACnet, SNMP, and REST APIs.
  • Design and maintain RESTful APIs with clean contracts and well-documented schemas.

Engineering Quality & Process
  • Write clean, tested, and well-documented code; participate in code reviews and contribute to engineering best practices.
  • Contribute to CI/CD pipelines, automated testing, and deployment processes.
  • Collaborate with the Principal Architect and Product to refine requirements and deliver features within sprint cycles.
  • Troubleshoot production issues across the stack and participate in on-call rotations as the platform scales.

Why Teserac
Teserac is AI-native observability and workflow automation purpose-built for mission-critical physical infrastructure. We are not building incremental improvements to legacy tools. We are re-architecting how data centers see, understand, and act on their own operations.
  • Ship features that directly impact how some of the world's most critical AI infrastructure is powered and managed.
  • Small engineering team where every developer has outsized impact and direct visibility into product decisions.
  • Work at the intersection of AI, real-time systems, and physical infrastructure - a rare and technically compelling combination.
  • Competitive compensation with meaningful equity upside; grow with the company from Series A through scale.

Requirements
  • 4+ years of professional full-stack development experience.
  • Strong front-end skills: React with TypeScript, modern CSS, and data visualization libraries (D3.js, Recharts, or similar).
  • Solid backend experience: Node.js/TypeScript or Python; RESTful API design; relational and time-series databases.
  • Experience with real-time data: WebSockets, server-sent events, streaming data, or pub/sub architectures.
  • Familiarity with cloud platforms (AWS, GCP, or Azure) and containerized deployment (Docker, Kubernetes).
  • Strong problem-solving skills and the ability to work independently in a fast-paced startup environment.
  • Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

Preferred Qualifications
  • Experience with IoT platforms, industrial data, or sensor telemetry systems.
  • Familiarity with data center infrastructure, DCIM tools, or building management systems.
  • Experience with industrial protocols: Modbus, BACnet, SNMP, or similar OT/IoT data sources.
  • Experience building observability or monitoring dashboards (Grafana, Datadog-style interfaces).
  • Demonstrated use of AI-assisted development tools (Cursor, Copilot, LLM-based workflows) to accelerate engineering velocity while maintaining high standards.
  • Experience at an early-stage startup (Seed through Series B).

Benefits
  • Health Care Plan (Medical, Dental & Vision)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Free Food & Snacks
  • Stock Option Plan
  • 401(k)

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