--- title: 'Software Engineer, Backend Developer at EchoTwin AI' canonical: 'https://feeny.ai/job/software-engineer-backend-developer-echotwin-ai-belgrade-5yh4pwwmcdsr' type: 'job' last_seen: '2026-09-11' --- # Software Engineer, Backend Developer at EchoTwin AI - **Company:** EchoTwin AI - **Location:** Belgrade, Serbia - **Employment:** full-time - **Work type:** remote - **Posted:** 2025-09-06 - **Last confirmed live:** 2026-09-11 - **Apply:** https://jobs.ashbyhq.com/echotwin/a073cc22-1093-419d-8b9c-291fe0e96f6c ## Job description Company Overview EchoTwin AI is pioneering AI-driven infrastructure intelligence, redefining how cities are managed. Powered by a proprietary visual intelligence engine with full spatial reasoning, EchoTwin transforms municipal fleets into mobile urban sensors—creating living digital twins that provide real-time insights into infrastructure, compliance, and safety. By enabling municipalities to proactively monitor, predict, and resolve issues, EchoTwin helps build resilient, self-healing, and sustainable urban ecosystems. More than “smart cities,” EchoTwin is advancing the era of cognizant cities—urban environments with the awareness to see, think, and act on challenges in real time. What The Job Involves The Backend Engineering team is crucial to the overall success of EchoTwin AI's products and solutions. Our CityView web portal is used directly by customers and includes internal tools to support IoT health monitoring for thousands of devices deployed on our network. ## Responsibilities - Design, develop, and implement efficient, high-throughput backend solutions, prioritizing performance, scalability, and reliability. - Continuous integration and continuous deployment. - Work effectively with cross-functional teams of engineers and domain experts. - Interface with external partners to refine technical requirements. ## Qualifications - Experience working with relational, time series, and document databases, including knowledge of SQL. - Proven problem-solving skills; ability to take ownership of issues and driving towards resolution effectively. - Knowledge of best practices in designing, using, and testing web services and APIs. - Being comfortable in an agile, fast-paced environment; ability to organize chaos and leave things cleaner than you found them. - Master’s or Bachelor's degree in Computer Science, Mathematics, IT, or a related field. - 5+ years’ experience as a backend developer (Python). - 3+ years’ experience in Fast API/Django. - Experience with AWS services. - Experience with relational and non-relational databases. - Experience with creating and deploying RESTful APIs. - Experience with Docker and Kubernetes. - Experience with Git, CI/CD, and software testing. - Experience with computer vision-based applications. - Strong desire to learn and share knowledge with others. - Proficiency in spoken and written English. ## Benefits and Perks There are endless learning and development opportunities from a highly diverse and talented peer group, including experts in various fields, including Computer Vision, GenAI, Digital Twin, Government Contracting, Systems and Device Engineering, Operations, Communications, and more! - Options for medical, dental, and vision coverage for employees and dependents (for US employees) - Flexible Spending Account (FSA) and Dependent Care Flexible Spending Account (DCFSA) - 401(k) with 3% company matching - Unlimited PTO - Profit sharing Please do not forward resumes to our jobs alias, EchoTwin AI employees, or any other company location. EchoTwin AI is not responsible for any fees related to unsolicited resumes. Life at EchoTwin AI If you want to empower the world’s most important cities—and the institutions that run them—you belong here. At EchoTwin AI, we value excellence regardless of background and are committed to building a team that reflects the communities we serve. EchoTwin AI is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity or expression, national origin, age, disability, veteran status, genetic information, or any other status protected by applicable law. ## About EchoTwin AI ## Company Overview - **One-liner**: EchoTwin AI builds a Physical AI operating system for cities, turning municipal fleets and infrastructure into intelligent, self-aware urban networks. - **Entity Type**: Private (Seed stage, $25M total funding) - **Headquarters**: Boca Raton, Florida, United States (also offices in San Francisco, New York, Dubai, Abu Dhabi, Riyadh, Doha) - **Founded**: 2024 - **Founders**: Chris Carson (Founder & CEO) ## Core Business - **Primary industry**: Urban AI / Smart City Infrastructure / Computer Vision - **Target customers**: Municipal governments, city authorities, urban planning departments (B2G/B2B) - **Mission**: To enhance urban safety, sustainability, and resilience through AI and geospatial intelligence, enabling self-healing cities that can see, understand, and respond in real time. ## Products & Services - **[CityView](https://www.echotwin.ai/)**: A vision-language model (VLM) purpose-built for cities. It interprets complex visual and textual data to detect infrastructure issues, compliance violations, and hazards in real time. Deployed via edge devices on vehicles, drones, and autonomous systems. - **[EchoTwin Platform](https://www.echotwin.ai/)**: A vertically integrated edge-to-cloud platform that ingests data from municipal sensors, runs AI analytics (predictive, diagnostic, geospatial), and provides dashboards, APIs, and automated workflows for city operators. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private) - **Key Metric**: $25M total funding (two seed rounds: $17M led by Metis Ventures in Feb 2025, $8M in Sep 2025) - **Notable Investors/Partners**: Metis Ventures (lead), plus 6 other investors per Seed round; partnerships with pioneering cities (e.g., NEOM, Dubai 2040, Paris 2050 initiatives) - **Growth Signals**: 106.7% headcount growth YoY (28 employees); 2,368 LinkedIn followers (+223% yearly); active job postings (9 open roles); presence in 5 countries (US, Serbia, UAE, Greece, Portugal) ## Competitive Advantages - **Proprietary CityView VLM**: A specialized vision-language model trained on urban contexts, providing human-level perception for infrastructure monitoring. - **Edge-to-cloud architecture**: Real-time processing on vehicles/drones reduces latency and bandwidth needs, enabling autonomous corrective actions. - **Regulatory compliance & ethics**: Adheres to NIST AI Risk Management Framework, ETSI EN 303 645 cybersecurity standard, GDPR, and ISO/IEC 27701 – a key trust differentiator for government contracts. - **Self-healing city concept**: Moves beyond detection to automated remediation via agentic workflows, offering a proactive vs. reactive urban management model. ## Strategic Focus - **Global expansion**: Targeting smart city initiatives in North America, Middle East, Europe, and Asia (NEOM, Dubai 2040, Paris 2050). - **Product development**: Advancing CityView capabilities (geospatial reasoning, anomaly detection, predictive analytics) and expanding API/SDK ecosystem. - **Scaling deployments**: Converting municipal fleets into mobile sensing networks and integrating with third-party urban systems. ## Why Work Here - **Mission-driven impact**: Work on tangible urban challenges (safety, sustainability, resilience) with real-world outcomes. - **Global, distributed team**: Offices in San Francisco, New York, Dubai, and remote-friendly roles; culture of collaboration and mutual empowerment. - **Engineering focus**: 35% of staff in technical roles (CV, VLM, firmware, data science); cutting-edge stack (computer vision, LLMs, edge computing). - **Growth trajectory**: Early-stage (founded 2024) with rapid headcount growth and $25M funding – opportunity to shape product and culture. - **Perks & culture**: Emphasis on responsible AI, ethical practices, and a tight-knit, nimble team. Some roles are in-office (San Francisco, New York, Dubai) while others offer remote flexibility. ## Sources 1. [EchoTwin AI Website](https://www.echotwin.ai/) 2. [EchoTwin AI About Page](https://www.echotwin.ai/about) 3. [EchoTwin AI Careers Page](https://www.echotwin.ai/careers) 4. [EchoTwin AI LinkedIn](https://www.linkedin.com/company/echotwinai) 5. [EchoTwin AI on Built In](https://builtin.com/company/echotwin-ai) 6. [EchoTwin AI Job Board (Ashby)](https://jobs.ashbyhq.com/echotwin) ## Other roles at EchoTwin AI - [Vision Language Model Engineer](https://feeny.ai/job/vision-language-model-engineer-echotwin-ai-san-francisco-fkagxqaz332s) — San Francisco, CA - [Prognostics Engineer](https://feeny.ai/job/prognostics-engineer-echotwin-ai-san-francisco-0e8wjgp967am) — San Francisco, CA - [3D Perception Engineer - SLAM with Mono Cameras](https://feeny.ai/job/3d-perception-engineer-slam-with-mono-cameras-echotwin-ai-san-francisco-n76t1fcdm16w) — San Francisco, CA - [Application Engineer – Computer Vision](https://feeny.ai/job/application-engineer-computer-vision-echotwin-ai-san-francisco-ynzgx65r8s3e) — San Francisco, CA - [Senior Data Scientist](https://feeny.ai/job/senior-data-scientist-echotwin-ai-san-francisco-zvshw5yzs5gr) — San Francisco, CA - [Machine Learning Engineer](https://feeny.ai/job/machine-learning-engineer-echotwin-ai-belgrade-vgc9tqcgzb4n) — Belgrade, Serbia - [Client Implementation Project Manager](https://feeny.ai/job/client-implementation-project-manager-echotwin-ai-dubai-ffx4rjwvcdy2) — Dubai, United Arab Emirates - [Senior Security Engineer](https://feeny.ai/job/senior-security-engineer-echotwin-ai-san-francisco-2tvmanh1s4zs) — San Francisco, CA - [Senior Technical Program Manager](https://feeny.ai/job/senior-technical-program-manager-echotwin-ai-san-francisco-qbtv703bm0de) — San Francisco, CA - [Senior Product Manager](https://feeny.ai/job/senior-product-manager-echotwin-ai-san-francisco-6ssr7eyvt5yj) — San Francisco, CA