NexusAM
Backend developer
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About Nexus
Nexus is an ambitious seed stage startup building the intelligence layer of metal 3D printing. Our platform, NEXUS, takes multi-modal sensor data and generates actionable insights for quality assurance. Formed at Imperial College London by leading experts in the field of additive manufacturing and artificial intelligence, we’re trusted by aerospace, defence, and medical manufacturers, and we're backed by leading investors. We're on a mission to accelerate manufacturing of high-value safety-critical parts with additive manufacturing.
The Opportunity
As our Backend Engineer, you must have experience designing and building large and complex (yet maintainable) systems, and you should be able to do this in about three times the pace most competent people think possible. You’ll work on the core of our platform: the C++ systems that ingest, process, and store high-rate, multi-modal sensor data from metal 3D printing machines to generate actionable outputs. Our software runs where our customers build parts, inside industrial factories, so performance and reliability are critical. Your work will directly enable aerospace, medical, and automotive manufacturers to produce next generation components.
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Core Responsibilities
- Design and develop our core C++ libraries for high-throughput sensor data ingestion, processing, and storage
- Build and maintain Python bindings and APIs that expose backend functionality to our ML and application teams
- Realtime data streaming through WebSockets.
- Maintain robust cross-platform builds, packaging, and deployment for customer environments (Windows and Linux)
- Implement robust error handling, logging, and monitoring for production systems running unattended at customer sites
Required Expertise
- Bachelor's degree or equivalent experience in computer science, engineering, or related field
- 3+ years of hands-on experience writing production C++ (C++17 or later)
- Strong grasp of systems fundamentals: concurrency and multithreading, memory management, and performance profiling
- Experience designing software that handles large datasets or high-rate data streams
- Exceptional problem-solving abilities with a bias toward practical solutions
- Eligible to work in the UK
Nice to Have
- Understanding of WebSockets and real-time data streaming between backend services and clients
- Experience with pybind11 or similar binding frameworks
- Knowledge of scientific data formats, particularly HDF5
- Experience with very large point clouds or volumetric data
- Background in signal processing, computer vision, or sensor systems
- Experience with scientific or industrial software development
- Startup experience or demonstrated ability to thrive in ambiguous, fast-paced environments
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Why Join Nexus
- Impact: Your work will directly enable more sustainable, efficient manufacturing of critical components
- Ownership: Your work shapes the core software architecture
- Team: Expect talented, motivated, intense, and interesting co-workers
Benefits
- Competitive salary
- Comprehensive healthcare package
- 25 days holiday plus bank holidays
- Central London location with excellent facilities (in-person role)
- Regular team events and learning opportunities
Application Process
Submit your CV (max 2 pages) and a brief cover letter explaining your interest to careers@nexus-am.com
- Include links to your GitHub or portfolio of relevant work
- Applications are reviewed on a rolling basis, and you can expect to hear from us within 7 days
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