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Added 1 min ago
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Senior Analog Mixed-Signal Design Engineer
Mythic
Austin, TX · Palo Alto, CA · Ann Arbor, MI
- $125,000 to $250,000 USD / year
…range of new applications in many markets, including safety and security, autonomous vehicles, VR/AR, robotics, and media. Mythic’s AI hardware combines knowledge across many domains,…
Added 1 min ago
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Senior Software Engineer, Virtual Care Platform
Fabric
Remote, United States
- $140,000 to $170,000 USD / year
Step into a pivotal role as the Senior Software Engineer on our Virtual Care Platform, acting as the strategic anchor for our platform's real-world reliability and patient experience. In…
Added 1 min ago
Distinguished Engineer, Extractive Metallurgy
Alta Resource Technologies, Inc.
Boulder, CO
…urgent challenges facing U.S. competitiveness and national security. Backed by top investors and government partners, Alta is growing fast and hiring mission-driven scientists and engineers…
Added 1 min ago
Senior Red Team AI Security Engineer
Beth Israel Lahey Health, Inc.
United States
6. Stay Current: Stay up-to-date on cutting-edge AI security research, adversarial machine learning techniques, and ethical AI frameworks to ensure robust red teaming practices.
Added 2 mins ago
HPE NonStop (Tandem) Systems Engineer
Zions Bancorporation
UT · Denver, CO · San Diego, CA
Zions is seeking an experienced HPE NonStop (Tandem) Systems Engineer that will provide operational support for mission critical, high availability HPE-NonStop (Tandem) compute platform.…
Added 2 mins ago
Systems Engineer
Calvert Systems Engineering Inc
Bellevue, NE
As a System Engineer, you will be responsible for supporting system design, analysis, integration, and documentation across software, hardware, and architectural development efforts. You…
Added 2 mins ago
Software Engineer
Calvert Systems Engineering Inc
Bellevue, NE
This position requires the ability to obtain and maintain a Top Secret U.S. Government Security Clearance with SCI eligibility. U.S. Citizenship status is required, as this position…
Added 2 mins ago
Builds Engineer I
Courser
Greenville, SC
The Builds Engineer I is responsible for designing, configuring, and deploying IT environments for clients, including setting up new workstations, laptops, servers, networking solutions,…
Added 2 mins ago
Lead Test Engineer
LEIDOS, INC.
Eagan, MN
Leidos is seeking a Test Engineer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP). L-CAP is a…
Added 2 mins ago
Data Engineer
LEIDOS, INC.
Remote, United States
The Homeland Sector at Leidos currently has an opening for a Data Engineer with a strong background in data analytics to support an exciting DHS software development program. The Data…
Added 2 mins ago
Principal Mechanical Engineer
LEIDOS, INC.
Albuquerque, NM
Leidos is seeking a Principal Mechanical Engineer to join our Directed Energy team in Albuquerque, New Mexico. The ideal candidate will have a background in thermal analysis, engineering…
Added 2 mins ago
Integration Engineer
LEIDOS, INC.
Remote, United States
The engineer applies approved enterprise architecture and interoperability patterns to technical designs, interfaces, and implementation, working with the Cloud Data Architect, IT Solutions…
Added 2 mins ago
First Article Inspection Systems Engineer- Mid Level
Dynetics, Inc
Huntsville, AL
Leidos Defense is seeking a Systems Engineer to support an active Hypersonics production program. In this role, you'll work directly with the Lead Systems Engineer to manage the First…
Added 2 mins ago
Data Engineer
LEIDOS, INC.
Remote, United States
Leidos is seeking a Data Engineer to support the Department of Veterans Affairs (VA) Summit Advanced Tooling, Lakehouse, and Artificial Intelligence Services (ATLAS) program. The engineer…
Added 2 mins ago
Senior Data Engineer
LEIDOS, INC.
Remote, United States
Leidos is seeking a Senior Data Engineer to support the Department of Veterans Affairs (VA) Summit Advanced Tooling, Lakehouse, and Artificial Intelligence Services (ATLAS) program.
Added 2 mins ago
Senior Systems Engineer - Deputy Project Manager
LEIDOS, INC.
San Diego, CA
The Undersea Systems Division at Leidos currently has an opening for a Senior Systems Engineer - Deputy Project Manager to support a customer site in San Diego, California. This is an…
Added 2 mins ago
Senior Systems Engineer – Technical Program Lead
LEIDOS, INC.
San Diego, CA
The Undersea Systems Division at Leidos currently has an opening for a Senior Systems Engineer/Technical Program Lead to support a customer site in San Diego, California. This is an…
Added 2 mins ago
Application Security Engineer
LEIDOS, INC.
Omaha, NE
The Defense Sector at Leidos is seeking a talented Application Security Engineer to join our dynamic Agile software teams in Omaha, Nebraska. This opportunity will provide professional…
Added 8 mins ago
Senior Fullstack Software Engineer, Startpage
System1
Los Angeles, CA
You will be a senior full stack engineer on the Startpage Consumer team, a small North America-based group where every engineer works with AI coding agents as a core part of the job. You…
Added 8 mins ago
SO
Data Analytics and Systems Engineer (Systems Engineer II) - 61167545
State of South Carolina
West Columbia, SC
- $67,728 to $121,890 USD / year
Added 8 mins ago
NEW JOB TEMPLATE
TRM Labs
Remote, United States
- 5+ years in pre- and post-sales technical roles (Solutions Architect, Sales Engineer, Solutions Engineer, or Customer Success Engineer), increasingly using AI tools in your workflow.
Added 9 mins ago
Test & Evaluation Engineer
ENSCO, Inc.
Colorado Springs, CO · El Segundo, CA
…advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect…
Added 9 mins ago
Systems Integration Engineer
ENSCO, Inc.
El Segundo, CA
…advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect…
Added 9 mins ago
System Safety Engineer
ENSCO, Inc.
El Segundo, CA
…advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect…
Added 9 mins ago
Senior Systems Engineer
ENSCO, Inc.
El Segundo, CA
…advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect…

System1

Senior Fullstack Software Engineer, Startpage

Los Angeles, CA, United States

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Job details

Posting language: English
Posted: Nov 6, 2026

Original job description

Startpage is a private search engine with roots going back to Ixquick in 1998, owned by System1 (NYSE: SST) and competing with DuckDuckGo, Brave and Ecosia. We are expanding from search results into a broader set of consumer products for people who want privacy without giving up a modern experience.

You will be a senior full stack engineer on the Startpage Consumer team, a small North America-based group where every engineer works with AI coding agents as a core part of the job. You know how to run agents in loops, coordinate multiple agents on one problem, and judge their output critically. The stack is mostly Python and JavaScript. You will own features from first commit to production across the web frontend, backend services and data pipeline, shape the architecture as the product grows, and pay down the tech debt that slows us. The team ships weekly, so your work reaches millions of monthly users within days.

This position is an onsite role requiring you to work in our headquarters located at 4235 Redwood Ave. Los Angeles, CA 90066.

What you'll work on:

Expect to work across the full breadth of the product rather than one slice of it.

• New consumer products that extend Startpage beyond the search box, on desktop and on the web

• The search results page itself: new features for subscribers and for everyone, within the constraints of our search partnerships

• Real-time decisioning that shapes what a user sees for a given query

• The homepage and engagement features that bring people back

• Traffic quality and abuse prevention for a product that attracts automated traffic

• Data instrumentation and reporting so the team can see what is working

Responsibilities:

• Design, build and ship features end to end, from API and data model through to the UI

• Drive your work with AI coding agents: give them the tools, context and guardrails they need, run them in loops against a spec, orchestrate several agents in parallel on one problem, and review what they produce with a critical eye

• Turn interactive prototypes from product into production code, keeping the intent and cutting what does not hold up

• Own services in production on Kubernetes: deploys, monitoring, the on-call rotation, and the latency and uptime targets a search product demands

• Shape architecture decisions and lead tech-debt reduction so the codebase stays fast to change

• Protect user privacy in every design decision: no tracking, minimal data retention, and no third-party calls that leak queries

• Write automated tests as a matter of course

• Instrument features and read your own results in Sigma and Snowflake; propose the next iteration from the data

• Work with outside partners and agencies so web and app experiences stay consistent

• Write clear tickets, PRs and design notes; review teammates' work the same day

Requirements:

• Daily, hands-on use of agentic coding tools: you can run agents in loops, write the evals that keep them honest, coordinate multi-agent workflows, and know when to take the keyboard back

• 5+ years of professional web development, owning both frontend and backend in production

• Strong Python, plus JavaScript or TypeScript, React, and modern CSS and HTML

• Hands-on with Docker, Kubernetes, Helm and Redis

• CI/CD and monitoring tooling, and AWS or a comparable cloud platform; comfortable being paged for what you ship

• Solid automated testing habits

• SQL fluency and the habit of checking your own feature's numbers after launch

• Care for performance: you know what a 100 ms regression costs on a search results page

• Clear written communication with a distributed team and outside vendors

Nice to have:

• Desktop browser or mobile app experience, especially Chromium, Electron or a shipped native app

• Prior search or privacy product experience

• Ads or recommendations systems, especially serving ML models at low latency

• Bot detection, fraud or abuse prevention

• SEO-driven site generation at scale

• Familiarity with EU privacy regulation

How we work:

• Small North America-based team, weekly releases

• Product work starts as a clickable prototype; engineers are expected to push back on it before building

• Agents do the typing; engineers own the architecture, the review and the outcome

• Data over opinion: every feature ships with instrumentation and a success metric

• Jira for tracking, GitHub for code, Sigma and Snowflake for analytics, Slack for the day to day

The U.S. base salary range for this full-time position is $133,000 - $183,000 + bonus + equity + benefits. Our salary ranges are determined by role, level, and location. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process. Please note that the compensation details listed in U.S. role postings reflect the base salary only, and do not include bonus, equity, or benefits.

System1’s headquarters is located in Marina del Rey, CA with an additional office in Bellevue, WA.

Employees near office locations are returning to the office.

Equal Employment Opportunity:

System1 provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

SECURITY NOTICE:

Please be aware that fraudulent individuals or organizations may pose as System1 Recruiters or Hiring Managers in an attempt to solicit personal or financial information. All legitimate System1 career opportunities are published directly on our official website, www.System1.com. Authentic emails from our recruiting team will only come from an official @system1.com email address. System1 will never ask candidates for money, banking information, processing fees, or equipment purchases during any stage of the recruitment process.

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More about this job

Skills

Full-stack development
Python
JavaScript
Reporting
Kubernetes
Snowflake
Web development
TypeScript
React
CSS
HTML
Docker
Redis
CI/CD
AWS
Test automation
SQL
Communication skills

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