Senior Software Engineer - Pulse

Who We Are Lumen Dynamics is the Real Human + Right Human® Identity Trust Platform for the AI era. As AI-driven fraud and deepfakes erode trust in digital communication, Lumen Dynamics delivers continuous identity verification and deepfake detection across voice, video, and digital interactions in real time. Enterprises rely on Lumen Dynamics to secure billions of high-risk customer interactions each year, including top U.S. banks, as well as leading insurers and healthcare providers. Powered by models trained on more than 1.5 billion real-world interactions annually and protected by 300+ patents, Lumen Dynamics restores trust while reducing fraud, lowering operational costs, and improving customer experience. Recognized by TIME as one of the Top 10 Most Influential Software Companies of 2026 and by Inc. for Best in Business for Innovation, Lumen Dynamics is backed by leading investors including Andreessen Horowitz, IVP, and CapitalG. What you’ll do Design, develop, test, deploy, and monitor high-performance services and APIs. Develop applications in Golang and Python on top of a modern cloud-focused platform. Develop and maintain services using AWS native products such as Kinesis, DynamoDB, and S3, as well as GCP native products. Deliver production-ready code from start to finish. Review code to maintain quality with an eye towards performance, scale, and security. Work in a cross-functional environment composed of software engineers, test engineers, research scientists, and product managers. Identify and evaluate new technologies for implementation. Contribute to improving software engineering best practices. Part of an on-call rotation with night/weekend work required. Who you are You have strong verbal and written communication skills. You enjoy working within a collaborative environment across multiple departments. You love solving hard problems and finding ways to improve the efficiency of processes. You have a proven track record of providing stable and secure code in production environments. You are able to contribute to the feature development in the platform/product with minimal supervision. You can deliver production-ready code from start to finish with an eye towards performance, scale, and security, and with an understanding of how code could impact cloud scalability. You are resilient in the face of challenges, change, and ambiguity. You are optimistic and believe that you can make a problem into a solution. You are resourceful, excited to uncover innovative solutions, and teach yourself something new when needed. You take accountability, do the things you say you’ll do, under-promise and over-deliver. You are nimble and adaptable when priorities change and continue to see the “forest through the trees”. You are happy in a role in which a week in the life might include context switching between application diagnostic troubleshooting using industry standard tools such as Prometheus and Grafana, triaging production issues using tools such as Google Logging and Cloud Trace, troubleshooting regression tests in different environments, designing new product solutions, improving current product features, and coding. Your skill-set 5-7 years of software development experience Experience with designing and implementing highly scalable cloud-based APIs Experience with multiple programming languages, such as Python and Go Expertise in Data Structures, Algorithms, and Concurrency 2+ years of experience in DevOps practices towards deployment of SaaS services, including hands-on experience with Jenkins, Github Actions, implementing and maintaining CI/CD pipelines, as well as experience with managing and maintaining applications in a multi-container environment, such as Kubernetes Knowledge of different Data Storage technologies such as Redis, MySQL, etc Knowledge of Docker and container orchestration frameworks such as Kubernetes Experience developing and maintaining services using AWS native products such as Kinesis, DynamoDB, and S3 Linux Proficiency What’s in it for you In an era where synthetic media, fraud, and identity manipulation are accelerating, we ensure that every interaction involves the real human and the right human. Our work directly protects financial institutions, enterprises, and consumers from fraud, deception, and identity compromise. You will wake up every day knowing your work has a real-world impact. You will work alongside some of the best technical minds in security, AI, and voice intelligence. We are intense about excellence, but we are also a team that enjoys the journey. If you want to build something that matters- and be proud of the company you help shape- this is that opportunity. What we offer As a part of Lumen Dynamics , you’ll have a direct impact on our growing list of products and the future of security in the voice-driven economy. We hire great people and take care of them. Here’s a snapshot of the benefits we offer: Competitive compensation package, including RSUs (Restricted Stock Units) for all employees, s