Building scalable platforms for AdTech, IoT, AgriTech, and enterprise products.

Lighthouse Technology Services specializes in AdTech platforms with ML-driven optimization, IoT solutions, and enterprise products. We architect and build production-grade platforms using modern cloud-native architectures, polyglot engineering, and scalable system design. From MVP builds for early-stage startups to architecture leadership for established platforms, Lighthouse combines hands-on coding with strategic technical guidance. We work with founders, CTOs, and product teams who need a technical partner—not just consultants—delivering clean architectures, reliable systems, and startup-friendly execution. Led by Rajendrakumar (Kumar) Rajguru—polyglot engineer and cofounder of CarIQ (acquired by Varroc Engineering India), with 20+ years building production systems in Go, Node.js, Java, C++, and Python.

Explore services
Core strengths AdTech with ML optimization · IoT platforms · Enterprise products · Polyglot engineering
Technology Domains AdTech DSP & curation · IoT & telematics · AgriTech · Enterprise PLM · Data platforms
What we build

Polyglot engineering across AdTech, IoT, PLM, and data platforms

Lighthouse brings experience spanning AdTech platforms with ML-driven optimization, connected car & telematics, AgriTech solutions, enterprise PLM products, data enrichment platforms, embedded systems, and startup MVPs—with a consistent focus on clean architectures, reliable delivery and startup-friendly execution. Our work ranges from building scalable cloud-native microservices and high-performance APIs to designing IoT device management systems and enterprise integrations.

AdTech, DSP & Curation Platforms with ML Optimization

Building next-generation media buying platforms with ML-driven optimization and autonomous trading agents. We architect backend systems powering curation intelligence, ML optimization, and autonomous decision-making for CTV, Audio, and DOOH campaigns. Our work includes designing and scaling core DSP components—inventory ingestion, supply curation, targeting services, auction logic, pacing engines, and decisioning APIs. We build programmatic platforms that enable data-driven buying and delivery of ads across web, mobile devices, connected TVs, and linear TV via set-top boxes. Experience includes developing workflow automation, data-enhanced decision-making tools, and seamless integrations between backend systems and buyer-facing UIs for campaign configuration, insights, and real-time optimization.

ML-driven optimization Autonomous trading agents DSP & curation engines Programmatic TV & CTV/OTT DOOH platforms Real-time bidding systems

Connected Car, IoT & Telematics Platforms

Design and implementation of telematics and IoT platforms—covering device firmware, cloud backends, and user-facing apps. We build scalable IoT pipelines powering predictive vehicle analytics, driver scoring, and fleet intelligence. Our work includes developing hardware-software ecosystems that collect data from electronic systems (engine, ABS, airbag), transmit to cloud platforms for analytics, and generate insights on servicing requirements, critical alerts, engine health, driving data, and fuel economy. We architect platforms that facilitate access to services such as car servicing, insurance renewal, and roadside assistance through integrated service provider ecosystems. Experience includes building large-scale device ingestion systems, real-time analytics platforms, and mobile applications that deliver actionable insights to automotive OEMs, insurers, and fleet operators.

Connected car & telematics IoT & device management Edge-to-cloud data flows Predictive vehicle analytics Fleet intelligence Driver behavior scoring

AgriTech & Startup MVPs

End-to-end MVPs and v1 platforms for early-stage startups—helping validate ideas while laying a foundation for future scale. We build robust platforms for real-time soil and crop monitoring using sensor data combined with cloud-based analytics, enabling farmers to monitor soil health, moisture levels, and nutrient data through IoT sensors. Our work includes developing geospatial data pipelines, crop intelligence systems, and IoT field telemetry solutions that drive informed decision-making for irrigation and crop management optimization. We also build MVPs across diverse domains including biometric authentication systems, procurement platforms, fitness applications, workplace engagement tools, and e-commerce solutions. Our approach includes architecting solutions using microservices architectures, cloud-native technologies, serverless architectures, and establishing CI/CD pipelines for optimized development workflows.

MVP design & delivery IoT & sensor platforms React & Vue.js front-ends Mentoring startup teams Geospatial data pipelines Cloud-native architectures

Data Platforms, PLM & Enterprise Products

Experience building and extending enterprise-grade products including comprehensive PLM software suites that facilitate collaborative environments for capturing and managing dispersed information assets across product data, process data, supplier data, and product documents. We develop advanced data enrichment platforms utilizing AI and machine learning for retail inventory management, stock accuracy, demand prediction, and operational efficiency. Our work includes building connector components that serve as intermediary layers between enterprise servers and CAD tools, enabling seamless communication and data management. We handle engineering escalations, root cause analysis, rapid workarounds, complete coding and unit testing of new features, and integrations between enterprise systems. Experience includes designing scalable architectures for data processing, real-time analytics, API layers, and enterprise integrations that optimize supply chains and drive better customer satisfaction.

PLM & enterprise platforms Retail data enrichment API & connector layers Data pipelines CAD tool integrations Inventory management systems

Storage, Embedded & Low-level Systems

Design and development of embedded products, storage discovery modules, VoIP and device management. We build Continuous Data Protection (CDP) products with discovery modules that enable storage discovery on SAN, supporting major HBA vendors and providing comprehensive insights into storage configurations including HBA details, target and LUN information, and storage capacities. Our work includes implementing Storage Management Initiative (SMI-S) Providers that enhance management interoperability between storage hardware providers and software management applications. We develop embedded device management systems and VoIP products, including designing communication protocols, crafting firmware architecture, and ensuring robustness and efficiency of embedded solutions. Experience spans multiple platforms including Solaris, Linux, and Windows, with focus on protocol design, low-level system programming, and hardware-software integration.

Embedded device management Storage & SAN discovery Protocol design VoIP products Firmware architecture CDP systems

Tech Leadership & Agile Delivery

Hands-on leadership as Director Engineering, Principal Engineer, Head of Engineering, and Cofounder. PMP, CSM and CSPO certified, with experience setting up cross-functional teams, processes and agile practices in startups and MNCs. We lead definition, design, implementation, and deployment of platform features while working closely with Product Management teams to ensure alignment with strategic objectives. Our leadership includes spearheading technology strategies, building and leading robust engineering teams, establishing efficient processes, and driving adoption of data and technology. We serve as Agile Coaches, providing mentorship and guidance on project and product management activities, fostering collaborative and innovative work environments. Experience includes transitioning between roles as data architect, mentor, agile coach, and hands-on developer to ensure successful project delivery.

PMP · CSM · CSPO Agile coaching & mentoring Product & engineering alignment Team building Technology strategy Cross-functional leadership
Leadership

A polyglot founder with deep startup and enterprise roots

Lighthouse is founded and led by Rajendrakumar (Kumar) Rajguru, a Senior Software Architect & Engineer with over 20 years of hands-on experience in software development, architecture and project management—spanning bootstrapped startups to global MNCs. Specialized in AdTech platforms with ML-driven optimization, IoT solutions, and enterprise products.

Rajendrakumar (Kumar) Rajguru

Founder · Polyglot Programmer · Director / Principal Engineer
Kumar is a polyglot programmer fluent in Go, Node.js, Java, C++, C, Python and modern web frameworks such as React and Vue.js. Over two decades, he has worked as Embedded Engineer, Senior Engineer, Principal Engineer, Director Engineering and Cofounder, owning delivery for mission-critical products in AdTech (with ML optimization and autonomous agents), telematics, PLM, storage, IoT and retail.

"Whether you're validating a new MVP or scaling a global platform, my aim with Lighthouse is to combine polyglot engineering and startup pragmatism so your product ships faster, scales better, and stays maintainable."

A journey across startups, scale-ups and MNCs

  • Principal Software Developer, Bedrock Platform: lead backend engineering of a next-generation media buying platform that merges curation intelligence with ML-driven optimization and autonomous trading agents. Design and scale core DSP components—inventory ingestion, supply curation, targeting services, auction logic, pacing engines, and decisioning APIs—that optimize CTV, Audio, and DOOH campaigns at low cost and high precision. Architect backend APIs and microservices that power curated supply workflows, campaign execution engines, and optimization stacks. Build high-performance, low-latency systems handling millions of bid requests per second, implementing real-time bidding algorithms that leverage machine learning models for bid price optimization and budget pacing. Develop autonomous trading agents that make real-time decisions on campaign allocation, budget distribution, and performance optimization without manual intervention. Design scalable data pipelines for processing vast volumes of advertising data, enabling real-time analytics and insights that drive campaign performance improvements.
  • Principal Software Architect, Lighthouse Technology Services (Soilsense & AgroTech): architected and built IoT solutions for AgroTech, developing a robust platform for real-time soil and crop monitoring using sensor data combined with cloud-based analytics. The system enables farmers to monitor soil health, moisture levels, and nutrient data through IoT sensors, driving informed decision-making for irrigation and crop management optimization. Designed comprehensive soil testing workflows that integrate laboratory analysis results with field sensor data, providing detailed soil composition reports including pH levels, organic matter content, and macro/micronutrient analysis. Built field management systems enabling farmers to map fields, track crop growth stages, manage multiple field zones with varying soil conditions, and generate actionable recommendations for fertilization and irrigation scheduling. Also worked on retail data enrichment platforms and guided multiple startups in building MVPs including Entersekt, Your EVP, EasyProcur, Fun at Workplace, Namaste Fit, and Knest Aluform.
Polyglot tech stack: Languages: Go · Node.js · Python · Java · C++ · C · Frontend: React · Vue.js · GraphQL · Databases: PostgreSQL · MongoDB · MySQL · DynamoDB · Couchbase · Infrastructure: Kafka · Docker · Kubernetes · Terraform · Jenkins · Cloud: AWS (Lambda, API Gateway) · Azure · GCP · Serverless · AdTech ML: ML Pipelines · Autonomous Agents (AdTech) · ML Optimization
Polyglot programming AdTech & ML optimization IoT & telematics PLM & enterprise Startup MVPs
Engagement models

Optimized for early-stage startups and product teams

Lighthouse is designed around the realities of product-building: limited time, tighter budgets, and the need to make strong technical decisions early. We support founders, CTOs and product leaders who want a hands-on technical partner—not just advice.

How we usually start

Most collaborations begin with a short, focused engagement where we map your product vision, constraints and current tech landscape—then define the simplest path to a solid v1.

  • Founders' workshop to align on product goals, constraints and timelines.
  • Architecture and code review of your current MVP or prototype (if any).
  • Recommendations on tech stack, team composition and build vs. buy choices.
  • Prioritized roadmap of features, refactors and "must-have" observability.

Ways to work with Lighthouse

We adapt to your stage—whether you're pre-seed, post-series A, or evolving a mature product into new domains like AdTech with ML optimization, IoT, or enterprise platforms.

  • MVP & prototype builds to validate market quickly while keeping architecture clean.
  • Platform evolution for existing products: performance, scalability, and feature roadmap.
  • 🤝 Fractional CTO / Principal Engineer to guide teams until you hire full-time leaders.
  • 📚 Mentoring & agile coaching—helping early-career engineers learn modern practices, design patterns and delivery discipline.
Let's talk

Tell us about the product or platform you're building

Share a few details about your idea, current architecture and team. We'll come back with a clear proposal for an initial technical conversation or MVP plan.