Senior/Staff Full Stack Engineer Job at Double

Senior/Staff Full Stack Engineer

Our Mission: Hospital-Quality Care, Everywhere. The healthcare industry still re...

Location

United States , San Francisco

Salary:

150000.00 - 220000.00 USD / Year

Helpcare AI

Expiration Date

Until further notice

Requirements

At least 4 years experience building, shipping, and maintaining full-stack applications in a production environment
Advanced degree in Computer Science or other relevant technical focuses
Proficiency in building applications with both backend (e.g., Python, TypeScript/JavaScript) and frontend (e.g., React, Vue) technologies
A strong command of SQL and experience designing and querying relational databases (e.g., PostgreSQL, MySQL)
The ability to articulate complex technical concepts clearly to both technical and non-technical audiences

Job Responsibility

Build software for hospitals and patients that will make their lives easier
Find creative solutions to complex technical and product problems
Build prototypes fast, but with a path in mind to turn them into robust systems over time
Operate with a lot of independence and responsibility in solving complex issues
Work with relevant stakeholders outside of engineering to figure out the right solutions to issues

What we offer

We cover 100% of your health insurance premium
Provide access to high-quality dental and vision insurance plans for you and your dependents
We offer a 401(k) plan to help you save for your future
Opportunities for rapid career advancement
Equity

Fulltime

New

Senior/Staff Full Stack Engineer

Signify have partnered with a company that are looking for a Senior/Staff Full S...

Location

Portugal , Lisbon

Salary:

65000.00 - 75000.00 EUR / Year

Signify Technology

Expiration Date

Until further notice

Requirements

10+ years as a software engineer
Hands on experience with both Python and Typescript
Strong understanding of system architecture, design patterns, and technical trade offs
Experience designing and working with relational databases and data modeling principles
Good knowledge of Kuberenetes and AWS
Experience working within Agile or Kanban development methodologies
Coaching and mentoring experience

Job Responsibility

Design, develop, and maintain robust web applications using TypeScript (frontend) and Python (backend)
Lead and contribute to architectural discussions, technical design sessions, and system reviews
Translate business requirements into scalable, secure, and maintainable technical solutions
Mentor and support junior engineers, fostering strong development standards and best practices
Actively engage in Agile ceremonies including daily stand-ups and sprint planning
Participate in peer code reviews to ensure code quality, performance, and reliability
Contribute to continuous improvement of SDLC processes and deployment workflows

Fulltime

New

Senior/Staff Full-Stack Engineer

Our mission is to scale intelligence to serve humanity. We’re training and deplo...

Location

Canada; United States , Toronto; Montreal; New York

Salary:

Not provided

Cohere

Expiration Date

Until further notice

Requirements

Have shipped (lots of) fullstack code (Python and React) in production
Excel in fast-paced environments and can execute while priorities and objectives are a moving target
Have worked in both large enterprises and startups
Have strong coding abilities and are comfortable working across the stack
Are able to read and understand, and even fix issues outside of the main code base
Have built and deployed extremely performant client-side or server-side RAG/agentic applications to millions of users

Job Responsibility

Build and ship features for North, our AI workspace platform
Develop autonomous agents that talk to sensitive enterprise data
Write and ship minimal code that runs in low-resource environments, and has highly stringent deployment mechanisms
As security and privacy are paramount, you will sometimes need to re-invent the wheel, and won’t be able to use the most popular libraries or tooling
Collaborate with researchers to productionize state-of-the-art models and techniques

What we offer

An open and inclusive culture and work environment
Work closely with a team on the cutting edge of AI research
Weekly lunch stipend, in-office lunches & snacks
Full health and dental benefits, including a separate budget to take care of your mental health
100% Parental Leave top-up for up to 6 months
Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement
Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend
6 weeks of vacation (30 working days!)

Fulltime

New

Senior Software Engineering Manager - Home Energy

The Senior Software Engineering Manager for the GM Home Energy team is responsib...

Location

United States , Austin, Texas; Warren, Michigan

Salary:

Not provided

General Motors

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, Software Engineering, Electrical/Computer Engineering, or related technical field, or equivalent experience
12+ years of experience developing and delivering cutting-edge enterprise-grade applications, including cloud-native systems
At least 3+ of those years should include leading multiple teams or a large, complex team as a software engineering manager or equivalent
Demonstrated experience leading engineering organizations of roughly 10–20+ engineers (ICs and/or managers), including hiring, performance management, coaching, and organizational design
Strong hands-on background in building sophisticated, scalable, secure software systems on cloud platforms (preferably Azure), including experience with: Event streaming and messaging (Azure Event Hub, Kafka, Pulsar)
Caching technologies (Redis)
Modern web and/or mobile stacks and REST/GraphQL APIs
Demonstrated expert knowledge of modern software development practices (Agile/Scrum, SDLC, CI/CD, test automation, observability)
Proven ability to facilitate productive engagement and trade-off decisions between engineering, product, design, and business stakeholders
Track record of delivering complex, integrated solutions in an interconnected environment, ideally involving CRM, billing, data platforms, or external partner integrations (e.g., utilities, installers, grid partners)

Job Responsibility

Define and drive the technical strategy and execution roadmap for Home Energy platforms (mobile apps, web portals, APIs, event streams, and data services) in support of GM Energy objectives
Be a technology expert across software architecture, infrastructure, build and deployment pipelines, observability, and engineering processes for multiple teams
Lead the delivery of exceptional, secure, and resilient software using multiple languages and technologies (e.g., modern web/mobile stacks, cloud-native services, event streaming, data platforms)
Ensure your teams meet or exceed reliability, performance, security, and compliance expectations for customer-facing and partner-facing energy products
Build, lead, and retain multiple high-performing engineering teams (e.g., mobile, full-stack, data/integration) aligned to Energy Engagement business outcomes
Mentor and develop technical talent—from new college hires to senior/staff engineers and first-line managers—creating clear growth paths and succession plans
Own workforce planning and staffing decisions for your area, in partnership with HR, aligned to overall org plans and GM’s strategic priorities
Foster a culture of ownership, psychological safety, accountability, and continuous learning that turns challenging, ambiguous ideas into robust production solutions
Partner closely with product management, design, GM Energy business stakeholders, and other internal and external engineering organizations to align on priorities, scope, and value delivery
Have a broad, enterprise-wide view of the business and strong appreciation for strategy, processes, capabilities, enablers, and governance across business domains

What we offer

Company Vehicle: Upon successful completion of a motor vehicle report review, you will be eligible to participate in a company vehicle evaluation program, through which you will be assigned a General Motors vehicle to drive and evaluate
This job may be eligible for relocation benefits

Fulltime

New

Senior/Staff Software Engineer

We're hiring Senior and Staff Software Engineers to help build the platform that...

Location

United States

Salary:

150000.00 - 200000.00 USD / Year

Homebound

Expiration Date

Until further notice

Requirements

7+ years of professional software engineering experience (10+ for Staff)
Track record of shipping products that land real world impact
Built and delivered full-stack features across modern web technologies
Actively using AI coding tools (Claude Code, Cursor, etc.) in your daily workflow
Demonstrated leadership and ownership
Designed systems that balance quick iterations with long-term reliability and maintainability
Partnered with product, design, and non-technical stakeholders to define requirements, make tradeoffs, and deliver outcomes

Job Responsibility

Design, build, and deliver features across the platform
Write and deploy high-quality, production-grade code daily
Work with product to translate messy, real-world processes into clean, reliable software
Raise the bar across engineering
Contribute to architecture decisions, API contracts, and data models that shape how our systems scale and evolve

What we offer

Offers Equity

Fulltime

New

Senior/Staff Web Platform Engineer

Perplexity is looking for experienced Software Engineers to join a new Web Platf...

Location

United States , San Francisco; New York City; Seattle

Salary:

250000.00 - 385000.00 USD / Year

Perplexity

Expiration Date

Until further notice

Requirements

6+ years of practical experience as a software engineer with a strong focus on web technologies
Deep expertise in modern JavaScript frameworks, particularly React
Experience optimizing web application performance and working with metrics such as time-to-first-byte, time-to-interactive, and application response speed
A strong technical background in frontend and/or full-stack development, ideally on high-traffic consumer or prosumer products
Familiarity with frontend monitoring and alerting systems (e.g., Sentry, Datadog, Grafana, OpenTelemetry-based tooling)
A track record of successfully managing technical migrations or large refactors in production web environments
Experience supporting developer productivity and building tooling or abstractions that other engineers rely on daily
Excellent collaboration skills and the ability to work effectively across product, design, and multiple engineering teams
A history of delivering high-quality, scalable software in production environments

Job Responsibility

Optimize performance for critical web flows (search, answer rendering, browsing), with a focus on improving application response speed and perceived latency
Design and implement solutions for customizable user interfaces and experience components across Perplexity and Comet
Develop and improve frontend alerting and monitoring systems to ensure reliability and rapid incident response for web experiences
Build self-serve capabilities and primitives that allow feature teams to ship frontend components and flows quickly without deep platform expertise
Support developer productivity initiatives to improve the ergonomics of web development at Perplexity (tooling, CI/CD, local dev workflows, documentation)
Contribute to upgrading and maintaining core web technologies (e.g., React, TypeScript, build tooling) used across Perplexity’s web stack
Collaborate closely with product, design, search, infra, and mobile teams to deliver cohesive, performant web experiences end to end
Participate in planning and roadmap discussions to ensure appropriate scoping, sequencing, and engineering allocation for platform work

What we offer

Offers Equity
Full-time U.S. employees enjoy a comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more
Full-time employees outside the U.S. enjoy a comprehensive benefits program tailored to their region of residence

Fulltime

Senior/Staff Fullstack Engineer

About the role: As a Founding Software Engineer, you will have an organization-l...

Location

India , Hyderabad

Salary:

2000000.00 - 6000000.00 INR / Year

Helpcare AI

Expiration Date

Until further notice

Requirements

At least five (5) years of experience developing software in an agile team environment
Expertise with React Native /ReactJS/ NextJS and significant experience working with any backend technology e.g. Golang, NodeJS or any Rust framework
Experience across the tech stack, specifically Typescript, React, and React Native
Experience with gRPC, Native iOS and Android is highly desirable
Strong project management skills and a proven track record of taking these types of projects through all stages from inception to deployment
Ability to understand and debug native code as well as performance tune mobile applications
Strong technical and non-technical communication skills with the ability to articulate a vision to audiences of varying technical expertise and collaborate with stakeholders at all levels of the organization
Track record of ownership for team-scale execution and technical excellence

Job Responsibility

Will have an organization-level impact on the product
Be a hands-on expert that takes on the most challenging technical implementations
Mentor the team
Ensure that features are delivered on time and to specification

Fulltime

New

Founding Recruiter

We are looking for a strategic, hands-on Founding Recruiter to build our talent ...

Location

United States , San Francisco

Salary:

150000.00 - 200000.00 USD / Year

Valerie Health

Expiration Date

Until further notice

Requirements

2-6+ years of full-cycle technical recruiting experience
1-2+ years in a high-growth startup, talent-dense engineering firm, and/or a top tier search firm
Proven track record of closing Senior/Staff level Engineers
Data-native
Experience using modern ATS platforms (Ashby experience is a massive plus)
Prioritizes quality over quantity
Able to sell the vision and distill complex technical requirements
Ownership mentality

Job Responsibility

Own full-cycle recruiting for technical and strategic non-technical roles
Act as a 'hunter' using creative sourcing strategies
Manage a high-volume ops recruiter responsible for the delivery team
Work with founders and leadership to amplify the company story and drive referrals
Manage and implement the recruiting stack
Design structured interview plans
Create data-driven reporting loops
Define the candidate interview experience

What we offer

Meaningful ownership (equity)
Medical, dental, vision insurance
401(k)
PTO

Fulltime

Senior/Staff Full Stack Engineer

Double

Location:
Argentina; Uruguay

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 18, 2026

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Double

Location:Argentina; Uruguay

Category:IT - Software Development

Contract Type:Not provided

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Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:February 18, 2026

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Location:
Argentina; Uruguay

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
February 18, 2026