Member of Technical Staff – Senior Engineer, Realtime Networking
Cambridge, Massachusetts, United States
$180k-$240k/yrOnsiteFull Time
Walden Robotics: Designs and builds general-purpose robots and related networking technologies to improve quality of life.
Proven experience building low-latency real-time networked systems; deep networking and wireless knowledge; experience with WebRTC/RTP, C/C++ or Python on Linux; packet capture and field debugging skills.
HasbroNASDAQ: HAS: Produces toys, board games, and digital entertainment products.
3+ YOE1+ MgmtRequires 3+ years of hands-on software engineering, 1–2+ years in technical leadership or engineering management, AWS production experience, Node.js or Python, LLM API integration, REST APIs, CI/CD, and people management.
Principal Software Engineer, Contact Center Digital Engagement Services
Durham or Merrimack or Westlake
OnsiteFull Time
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
10+ YOE10+ years engineering experience, 5+ years with Java and Spring Boot, experience designing backend architecture, real-time communication tech, cloud-native microservices, secure engineering, and mentoring; Master’s degree preferred or equivalent experience.
Boston Medical Center: Provides specialized medical care and academic healthcare training.
5+ YOE5+ years telecom/IT experience or BS in Computer Science; RingCentral experience required; Cisco and Avaya familiarity preferred; ability to design, administer, and troubleshoot VoIP, SIP, PRI, and related voice systems; knowledge of Wireshark, SolarWinds, TraceSBC, and call-recording/IVR platforms.
Principal Software Engineer, Contact Center Digital Engagement Services
Durham or Merrimack or Westlake
OnsiteFull Time
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
10+ YOERequires 10+ years software engineering, 5+ years Java and Spring Boot, complex backend architecture, real-time communications, cloud-native systems, AI tools, secure engineering, mentoring, and a master's degree or equivalent experience.
LiveKit: Infrastructure for real-time voice and video AI applications.
1+ YOERequires 1–3 years of SDR or BDR experience, sales engagement tools and Salesforce experience, quota attainment, strong communication, and technical curiosity; developer tools or infrastructure experience preferred.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years mobile development experience; strong native iOS (Swift/Objective-C) or Android (Kotlin/Java) or React Native; experience with UI frameworks, concurrency patterns, testing, CI/CD; familiarity with AI-assisted development preferred.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
7+ YOE7+ years professional software and mobile development experience, 5+ years native iOS or Android (or equivalent cross-platform) experience, experience designing mobile architectures, CI/CD, automated testing, large-scale production systems, and technical leadership/mentorship.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years mobile development (iOS/Android or React Native); strong mobile fundamentals, modern UI frameworks and concurrency, unit/UI testing, CI/CD experience; Bachelor's preferred.
United States or San Diego or Dallas or Washington or Boston
$150k-$230k/yrOnsiteFull Time
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
7+ YOEBS/MS or equivalent; typically 7+ years experience; strong C++, Qt/QML, QGroundControl experience; backend experience in C/C++, Python, TypeScript or Go; networked systems expertise; ability to obtain SECRET clearance.
United States or San Diego or Dallas or Washington or Boston
$150k-$230k/yrOnsiteFull Time
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
7+ YOEBS/MS in CS or equivalent experience, typically 7+ years (or equivalent by higher degree), experience with modern frontend frameworks and full‑stack/backend languages, distributed systems, databases, and ability to obtain SECRET clearance.