Senior Software Engineer, Full-Stack

RapidSOS; Boston, New York (MA, NY); Hybrid; USD 155,000 - 185,000; Full time

Benefits offered by this job

Competitive salary

Equity participation

Dynamic work environment

Job summary

A leading public safety technology firm is looking for a Senior Full-Stack Software Engineer to develop mission-critical features for their platform. This role includes leading projects from design to implementation and ensuring product reliability. Ideal candidates have extensive experience in TypeScript, React, and Python, along with strong communication and problem-solving skills. This position offers a competitive salary and a dynamic work environment, with the flexibility to work remotely.

Qualifications

• 5+ years of full-stack engineering experience with 3+ years in TypeScript, React, and modern CSS.
• Proficiency in Python or willingness to learn it.
• Experience integrating with RESTful APIs in a cloud environment.

Responsibilities

• Lead architecture and design of new features for public safety product.
• Maintain user-centric interfaces, balancing aesthetics with functionality.
• Implement software development best practices for reliability.

Skills

TypeScript

React

Python

RESTful APIs

AI tools

Communication skills

Collaboration

Problem solving

Job description

New York City (Remote) or Boston (Remote)

In the time it takes you to read this job description, RapidSOS will have handled ~1,380 emergencies.

At RapidSOS, we are committed to using technology to build a safer, stronger future and working together to save lives. We’re in an exciting phase of growth, welcoming new members from across the globe to our mission‑driven, ambitious, and inclusive team. Our work is founded on our values of elevating purpose, inventing tomorrow, delivering with urgency, serving with integrity, and winning together, all of which support a company culture where people can innovate, collaborate, grow, and, above all, make an impact.

RapidSOS is the leading public safety AI company that unlocks mission‑critical intelligence for first responders and security teams – enabling faster, smarter and more accurate emergency response. Real‑time data from the world’s largest safety network of 700M+ devices, 200+ global enterprises, and 23,000+ federal, state and local agencies fuels the RapidSOS HARMONY AI engine that delivers this intelligence to those who need it most. Learn more at www.RapidSOS.com.

What this role is about:

We’re looking for a Senior Full‑Stack Software Engineer to lead the development of mission‑critical features for our public safety platform, owning solutions end‑to‑end from intuitive user experiences to the services and architecture that power them. You’ll build high‑performing, scalable, and reliable systems, shape architectural strategy, mentor junior engineers, and collaborate cross‑functionally to deliver seamless, data‑informed user experiences that help first responders act when every second counts.

If you thrive in a fast‑paced, collaborative, mission‑driven environment and are excited about leveraging cutting‑edge technologies to make a tangible impact where every second matters, this is your opportunity to help shape the future of public safety!

What you’ll do:

• Drive Full‑Stack Development: Lead the architecture, design, deployment, and implementation of new features for our public safety product(s), leveraging React, Typescript, and Python.
• Strategic Architectural Leadership: Lead strategic architectural decisions, drive technical alignment, and optimize applications for peak performance, scalability, accessibility, and the successful implementation of AI capabilities.
• Engineer Intuitive UX: Maintain and develop intuitive, user‑centric interfaces for public safety systems, balancing aesthetics with practical interaction design, with a focus on leveraging AI to enhance user workflows.
• Enhance and Modernize: Proactively assess and enhance current applications, including refactoring code and upgrading core technologies.
• Ensure Product Reliability: Implement best‑in‑class software development practices (unit/integration/performance tests, monitoring, detailed specs) to guarantee products are highly reliable and fault‑tolerant to operate in any emergency.
• Collaborate and Deliver: Work in an agile environment with stakeholders across Engineering, GTM, Design, and Product to develop impactful solutions, championing the use of AI to transform public safety.
• Champion Best Practices: Actively participate in code reviews and standups, sharing knowledge, mentoring peers, and contributing to the continuous improvement of team processes.

What we’re looking for in our ideal candidate:

• 5+ years of professional full‑stack engineering experience with 3+ years of experience with TypeScript, React, and modern CSS frameworks and libraries
• Proficiency with ideally Python – proficiency with Go, Node.js, Rust, Java, C++/C or a similar language will be considered with willingness to learn Python
• Experience integrating with RESTful APIs and delivering comprehensive end‑to‑end solutions in a cloud‑based environment
• Ideally has experience building AI‑driven features or using AI tools to enhance acceleration of development, and is proactive about leveraging emerging technologies
• Strong communication and interpersonal skills; is a team player with a positive attitude
• Highly self‑motivated; ability to adapt and learn quickly in a fast‑paced environment with a strong sense of ownership
• Strong proficiency in coding best practices – ability to write clean, maintainable, and testable code
• You are self‑directed and enjoy solving difficult problems in a collaborative environment
• You are passionate about building and releasing software that serves a vital purpose; care deeply about the user experience and is able to quickly identify the optimal visual strategies to meet goals
• Ability and willingness to collaborate in‑person a few times per quarter, or as needed

Nice‑to‑have experience (but not required!):

• Experience with various vector and raster mapping softwares such as ESRI ArcGIS, Mapbox/MapLibre, and Google Maps SDKs
• Familiarity with asynchronous programming concepts, and comfortable with asynchronous systems (message buses, WebSockets)

What we offer:

• The chance to work with a passionate team on solving one of the largest challenges globally
• Competitive salary and benefits and equity participation
• A dynamic, flexible and fun start‑up work environment with a highly talented team

Starting pay for a successful applicant will depend on a variety of job‑related factors, which may include experience, relevant skills, training, education, location, business needs, or market demands. The salary range for this role is $155,000 - $185,000. This role will also be eligible to receive equity options. #LI-Remote

RapidSOS is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or Veteran status.

Interested in the role but you don’t meet 100% of the requirements? We’d love to hear from you! We encourage you to apply; we’d be excited to see if your unique skill set and experience could be a match.