Senior Mobile App Engineer (React Native/iOS/Android)
Boston or New York City
$170k-$190k/yrRemoteFull Time
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
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.
Linus Health: Digital health platform providing AI-powered cognitive assessment tools.
5+ YOE5+ years software engineering experience with expertise in React and Node.js, 3+ years building RESTful services, strong JS/TypeScript tooling experience, frontend performance optimization, and excellent communication.
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
5+ YOEBachelor's in Software Engineering or related field, 5+ years experience (or Master's+3), DoD Secret clearance and U.S. citizenship required, strong Java/React skills, SQL/PostgreSQL, EMR? (not listed)
Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yrHybridFull Time
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products and services.
5+ YOESenior software developer with 7+ years of experience, skilled in React and Java/Spring Boot, strong communication, and ability to manage multiple priorities.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOERequires 6+ years building production software, 4+ years with TypeScript/JavaScript and Node, deep React expertise, system-level design ownership, mentoring, strong writing, and ability to obtain a DoD Secret clearance as a U.S. citizen.
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor’s degree in software engineering or related STEM field and 5+ years of experience, or master’s degree with 3+ years. Requires Secret clearance, U.S. citizenship, and Java, React, SQL, PostgreSQL, Hibernate, and Spring experience.
Java, Enterprise Java, JavaBeans, JavaScript, React, SQL, PostgreSQL, Hibernate, Spring, WildFly, REST APIs, RESTCONF, Material UI, SNMP, Public Key Infrastructure
Blitzy: Autonomous AI platform for enterprise software development.
10+ YOE10+ years frontend experience; expert in JavaScript/TypeScript; deep React knowledge; strong state management; build tooling; leadership and mentorship; frontend performance and accessibility.
Pixability: Optimizes video ad performance across YouTube and Connected TV.
6+ YOE6+ years of professional software engineering; strong backend with Python; data pipelines or large-scale systems; production web apps, APIs, distributed systems; React frontend; MySQL/Snowflake; AWS; Docker, Terraform, CI/CD; testing; collaborative; Boston office 2 days/week.
State StreetNYSE: STT: Provides investment management and custody services to institutional investors.
10+ YOESenior software engineer with Azure, Databricks, AKS experience; Java/Spring Boot and React; Kafka and Big Data tech; DevOps; 10+ years IT experience.
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
5+ YOE5+ years of software development; full-stack SaaS experience; clean, maintainable code; strong communication; able to work in fast-paced environment.
Levo: A building AI-powered workforce platform for healthcare providers.
3+ YOE3-6 years software engineering; React, TypeScript, Python; experience with LLMs and agentic workflows; product-minded; shipping production systems.
WHOOP: Wearable technology for personalized health and performance tracking.
2+ YOE2–5 years software development; web apps with Next.js/React/Tailwind; REST APIs; large language model experience; collaborative in fast-paced environment.