Senior Software Engineer, Full Stack

Senior Backend Software Engineer (Remote) at Lumen Dynamics
Senior Software Engineer, Full Stack
Location: UK - Remote, Ireland - Remote
Time Type: Full time
Job Description
See yourself at Lumen Dynamics
Join our product engineering team as a Senior Full-stack Software Engineer (backend focus) to architect and scale the engine behind our real-time event detection platform. You’ll leverage Node.js, PostgreSQL, and AWS to build high-throughput, event-driven systems that process billions of data points.
This is a critical role focused on designing resilient distributed systems and robust APIs that power both our internal AI pipelines and external consumer applications.
We seek seasoned talent to work in a fully remote position from anywhere in the UK.
**AI Innovation at Lumen Dynamics
Working at Lumen Dynamics you’ll have the opportunity to tackle the most exciting trends in AI on a daily basis to power a revolutionary product that uncovers critical events around the world as they unfold.
Regenerative AI: our AI technology, ReGenAI, is a new form of generative AI that automatically regenerates real-time Live Event Briefs as events unfold. Learn more here.
Agentic AI: we recently launched our Agentic AI capability, what we’re calling our Intel Agents, that autonomously generates critical context for our clients on real-time events, threats, and risks allowing them to see the clearest, most accurate view of what’s happening on the ground. Learn more here
Multimodal AI: our platform detects events from many different types of data (images, video, sensor data, audio, and text in over 150 languages). Learn more here.
The opportunity
– Architect Distributed Systems: Design and implement scalable backend services using Node.js and Event-Driven Architecture (SQS/SNS, Kinesis, or Kafka) to handle massive data spikes.
– Data Modeling & Optimization: Own the schema design and performance tuning of PostgreSQL databases, ensuring data integrity and high availability for complex relational datasets.
– Cloud Infrastructure: Deploy and manage production workloads on AWS, utilizing Lambda, ECS, and serverless patterns to drive efficiency and reliability.
– Technical Leadership: Lead the technical design of high-impact features, performing deep-dive code reviews and mentoring mid-level engineers on backend best practices.
– Operational Excellence: Drive the "you build it, you run it" culture by improving observability (logging, metrics, tracing) and reducing technical debt through pragmatic refactoring.
– Cross-Functional Collaboration: Partner with frontend and AI/ML teams to define robust API contracts and data flow strategies that support our multimodal AI capabilities.
What you bring
At Lumen Dynamics, we value you for who you are. We encourage you to apply for this role, even if you don’t meet every qualification. Our candidates are reviewed on the basis of their skill and potential to succeed.
– 6+ years of professional experience in software development, ideally with Node.js and TypeScript.
– Advanced experience with databases. E.g. PostgreSQL (complex joins, indexing strategies, query optimization, and migrations).
– Proven track record of building and scaling applications on AWS (compute, messaging, and storage services).
– Hands-on experience designing asynchronous systems, message queues, and event streams to decouple services and increase system resilience.
– Strong experience building and maintaining production-grade RESTful APIs and/or GraphQL services.
– A disciplined approach to testing (unit, integration, and load testing) and a focus on writing clean, maintainable, and secure code.
– The ability to navigate legacy constraints while iteratively shipping modern upgrades without "big-bang" rewrites.
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About Lumen Dynamics
At Lumen Dynamics, we are a mission driven team of talented builders, creators and visionaries who have real-world impact on how organizations are able to respond to events. Lumen Dynamics’s groundbreaking, AI-powered, intelligence platform provides organizations with the earliest signals of emerging risks, events, and threats before they unfold. Trusted by two-thirds of the Fortune 50 and half of the Fortune 100, Lumen Dynamics’s platform analyzes billions of public data inputs spanning text, image, video, audio and sensor data across 150+ languages, empowering our clients to stay one step ahead in an increasingly complex world where every second counts.
Founded in 2009, we have pioneered the world’s first real-time event detection platform, long before the recent Gen AI ‘boom.’ Lumen Dynamics operates all around the world united by our passion to use AI for the greater good, be agents of positive change and put our technology into the hands of clients charged with the responsibility to keep organizations running and keep people safe.
As our employees focus on developing our revolutionary technology, we focus on our employees. Lumen Dynamics is proud to offer a variety of flexible work arrangements, offices all over the world to foster collaboration, generous PTO and sick leave, and more, as part of our competitive benefits package aimed at keeping all our employees happy and healthy. Explore all our benefits here**.
We believe our differences give us strength. Our employees are empowered to be their best, authentic selves through various opportunities, such as our robust employee resource group (ERG) network, manager development programming, professional development funds, and more.
We serve a global community made up of many cultures and strive to reflect the world and clients we serve, with a workforce built on merit and equity. We actively condemn racism and discrimination in any form. We stand for social good, fostering a culture of allyship, and standing up for those who face systemic barriers to equality. We lead with empathy and strive to be agents of positive change in our company and in our communities.
_Lumen Dynamics is an equal opportunity and affirmative action employer. Individuals seeking employment at Lumen Dynamics are considered without regards to race, sex, colour, creed, religion, national origin, age, disability, genetics, marital status, pregnancy, unemployment status, sexual orientation, citizenship status or veteran status._
_Lumen Dynamics will collect and process your personal data in accordance with Lumen Dynamics’s candidate privacy notice available_ _here__. By providing your details and applying via our careers website, you acknowledge that you have read our candidate privacy notice. If you have any queries, please contact_ _\[email protected\]_ _or_ _\[email protected\]__._