Senior Mobile App Engineer (React Native/iOS/Android)
Boston or New York City
$170k-$190k/yrRemoteFull Time
Beacon Biosignals: Private neurotechnology providing AI-powered EEG analytics and at-home diagnostics for biopharma researchers, clinicians, and patients.
8+ YOERequires 8+ years of mobile development experience with native iOS, Android, or React Native; BLE, sensor integration, or health data experience; and familiarity with TypeScript, React Native, Swift, Kotlin, Expo, and GitHub.
ZoomInfoNasdaq Global Select Market: GTM: B2B go-to-market intelligence platform providing data, buying signals, and automation to sales, marketing, and recruiting teams.
6+ YOE6+ years mobile development experience with React Native, strong JavaScript/TypeScript skills, state management (Redux/MobX), testing (Jest, React Native Testing Library), cross-platform iOS/Android production experience, and mentoring ability.
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yrRemoteFull Time
ModernHEALTH: Private workforce mental health platform providing employers’ employees and families with coaching, therapy, group support, and digital care.
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Arizona or California or Colorado or Connecticut or Florida or Iowa or Idaho or Kentucky or Massachusetts or Maryland or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or Washington
$120k-$135k/yrRemoteFull Time
Foureyes: Private automotive data-platform helping dealerships connect data, manage leads, and convert more shoppers into sales.
3+ YOE3+ years full-stack development experience with Python/Java/TypeScript/React, cloud-native AWS experience, SQL and IaC knowledge, observability tooling, and enthusiasm for AI-assisted development.
SimpliSafe: Private U.S. home security providing DIY alarm systems and 24/7 professional monitoring to residential customers.
8+ YOE8+ years developing full-stack solutions; expert with React, Node.js, and TypeScript; experience with SSR/CSR, REST/GraphQL, SQL/ORM, AWS, mentoring, and scalable cloud-native architectures.
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yrHybridFull Time
Liberty Mutual: Diversified global insurer providing property, casualty, and life coverage.
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
Counsel Health: Private virtual medical group delivering AI-enabled, physician-supervised primary care through messaging.
2+ YOE2+ years professional experience; proficiency with React, TypeScript, Next.js, React Native, Postgres/Supabase, HTML/CSS (Tailwind), and AWS; experience building consumer-facing products and enterprise integrations.
Atlanta or Boston or Chicago or Indianapolis or United States or Canada or North America
RemoteFull Time
Greenlight Guru: Private medical-device SaaS providing QMS and clinical-data software to MedTech manufacturers.
4+ YOE4+ years professional software development experience; React and modern JavaScript framework proficiency; experience with LLMs/generative AI and cloud-native architectures; REST/RPC/GraphQL APIs, testing, CI, and strong communication skills.
7+ YOE7+ years software engineering with enterprise architecture, cloud-native development, Generative/Agentic AI experience, hands-on Python/Java/React, CI/CD and observability expertise, strong communication and leadership.
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yrRemoteFull Time
Consumer Reports: Independent nonprofit consumer organization providing product testing, journalism, ratings, research, and advocacy for consumers.
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
Arizona or California or Connecticut or Florida or Illinois or Kansas or Massachusetts or Missouri or North Carolina or New York or New Jersey or Nevada or Ohio or Pennsylvania or Texas or Washington
$150k-$185k/yrRemoteFull Time
IPSY: Beauty subscription platform curating personalized makeup, skincare, haircare, and other products for millions of members.
Strong TypeScript/React experience with Next.js, Kong API Gateway, AWS, CI/CD (Jenkins), observability (Datadog), product analytics (Statsig, Amplitude), and mobile (React Native); Bachelor's degree preferred.
Next.js, TypeScript, Chakra UI, Kong API Gateway, LUA, AWS, Netlify, Jenkins, React Native, Datadog, Statsig, Amplitude, Storybook, Vercel
Charles River Development: Financial technology providing investment management software and services to asset managers, asset owners, insurers, and wealth managers.
4+ YOEB.S. in a technical field required (MS preferred). 4+ years development experience (4-8 yrs preferred) with Java, Spring Boot, React, SQL; cloud-native (Azure) and Kafka/Snowflake are assets; Agile experience.
Java, Spring Boot, JavaScript, React, SQL, Azure, Kafka, Snowflake, RDBMS
Click Therapeutics: Private digital therapeutics developing prescription software treatments for patients with unmet medical needs.
10+ YOE10+ years full-stack experience with React Native, TypeScript, Node.js, AWS, Kubernetes; experience designing multi-agent AI workflows, mentoring engineers, and operating CI/CD and observability practices.
CarGurusNasdaq Global Select Market: CARG: Public online automotive marketplace helping consumers and dealers buy and sell new and used vehicles.
5+ YOE5+ years full‑stack software development experience, 2+ years Java, experience with cloud-native systems, auth/identity concepts, AI developer tools, testing and observability; BS in CS or equivalent.
Claude Code, Keycloak, OAuth2, OIDC, Java, Spring Boot, AWS, Kubernetes, React, Node, Remix, MCP
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento: Provides financial firms real-time and historical market-data APIs for equities, futures, and options.
5+ YOEMid/senior engineer experienced with TypeScript/JavaScript, building/maintaining JS client libraries, React/Redux front-ends, native integrations (N-API/node-addon-api/Wasm), and backend work in Python or Rust.
Mitsubishi Electric Iconics Digital Solutions: Mitsubishi Electric’s private automation-software subsidiary develops visualization, HMI, SCADA, and digitalization software for industrial and building operators.
8+ YOE8+ years software development experience, proven technical leadership, production experience with generative AI, cloud-native architectures, full-stack development, and a bachelor's in CS or equivalent practical experience preferred.
UKG: Workforce management and human capital management software provider.
6+ YOE6+ years software engineering experience building large-scale distributed systems; expert Java, React, TypeScript; experience with SQL/NoSQL, cloud-native platforms (Azure/AWS/GCP); familiarity with AI/LLMs and observability; BS in CS or equivalent.
Java, React, TypeScript, SQL, NoSQL, Microsoft Azure, AWS, Google Cloud Platform, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases, agentic frameworks
Columbus or Plano or Indianapolis or Boston or Portsmouth
HybridFull Time
Liberty Mutual: Diversified global insurer providing property, casualty, and life coverage.
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems, cloud-native development, security, testing, DevOps, and a technical or business degree or equivalent experience.
McLean or Richmond or Plano or New York City or Boston
$179k-$246k/yrOnsiteFull Time
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
4+ YOEBachelor's degree, 4+ years of software engineering and Salesforce experience, 1+ year of cloud computing, and proficiency in listed programming languages, Salesforce tools, and APIs.
Python, JavaScript, Angular, React, Node, HTML, CSS, TypeScript, SQL, Java, Salesforce, Apex, Native, Visualforce, Lightning framework, SOQL, REST, SOAP APIs, AWS, Microsoft Azure, Google Cloud, Agile, Electronic Medical Records (EMR)