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Backend Developer This person builds the core system and integrations. Job Title Backend Developer – Transport System APIs, GPS Integration, Ticketing Platform Job Description Project Overview We are developing a hybrid bus transport management platform that integrates GPS tracking with a custom passenger services system. The system will initially support 250–300 buses and provide real-time telemetry, digital ticketing, and operational monitoring. The architecture combines an existing white-label GPS tracking platform with a custom backend system to support passenger services and transport operations. Responsibilities • Design and develop backend APIs • Integrate white-label GPS tracking system • Implement real-time bus location ingestion • Develop digital ticketing and fare management system • Integrate payment gateway • Implement data analytics and reporting • Design scalable database architecture • Support high telemetry data ingestion (~2.5M GPS records/day) Technology Stack Preferred experience with: • Node.js (NestJS) or Java Spring Boot • PostgreSQL • Redis • Kafka or MQTT • REST APIs • WebSockets • Cloud deployment (AWS / Azure / DigitalOcean) Nice to Have • Experience with transport systems • Experience with IoT or GPS telemetry • Payment gateway integration • High-scale backend systems Project Duration 3–5 months Please include • Relevant backend system examples • Experience with real-time data systems • GitHub or portfolio
ID Projek: 40281525
142 cadangan
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Aktif 2 hari yang lalu
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142 pekerja bebas membida secara purata $638 USD untuk pekerjaan ini

Hello Good Day, With your project's focus on Backend Development for a Transport Management Platform, you need a professional like me who is well-versed with the relevant technologies such as Node.js (NestJS) and Java Spring Boot. My proficiency in these frameworks is well substantiated by my portfolio where I've delivered high-performance backend solutions. For instance, I developed API-driven platforms like an intelligent transport system using GPS, IoT telemetry, and ticketing management features. Integrating and scaling such complex real-time systems happens to be one of my core strengths. Additionally, your project requires expertise in AWS/Azure/DigitalOcean, a skill I am well-versed with. On top of that, as someone who has experience in building complex backend systems like yours, I understand the importance of factors like scalability for handling high telemetry data ingestion rates. More than just delivering code, I bring strategic partnerships. I don't just build solutions; I build futures. That future comprises of efficient GPS tracking, secure digital ticketing and fare management all underpinned by robust database architecture and reliable REST APIs to be used by your team efficiently. So if you are ready to enjoy the benefits that come from working with a proficient technologist who can deliver scalable backend solutions while keeping focus on long-term value and growth—let's collaborate! Kind regards Rinsad
$500 USD dalam 7 hari
9.2
9.2

Hi there, We’ve built large-scale transport systems with real-time GPS tracking and ticketing, integrating multiple APIs and handling millions of daily events. We also developed a dedicated driver app for one of our products, ensuring drivers received timely notifications and updates. We can use our existing driver app and extend it to meet your needs, saving you time and money while delivering a fully optimized solution. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$491.33 USD dalam 7 hari
5.7
5.7

Hello! Your transport platform sounds like a strong real-time systems project, and it aligns well with my experience building scalable backend architectures for telemetry-driven applications. I have worked on backend systems that process high-frequency data streams, integrate external platforms, and power real-time dashboards and APIs. My focus is on designing clean, resilient systems that remain stable under continuous data ingestion. For this project I would contribute by: • Designing scalable REST APIs for passenger services, ticketing, and operational monitoring. • Integrating the white-label GPS tracking system and building pipelines for real-time location ingestion. • Handling high telemetry volumes (~2.5M GPS records/day) using streaming tools such as Kafka/MQTT with Redis caching. • Implementing WebSocket services for real-time bus tracking and operational alerts. • Developing digital ticketing, fare management, and payment gateway integrations. • Structuring PostgreSQL databases optimized for telemetry storage, analytics, and reporting. I typically work with Node.js (NestJS), PostgreSQL, Redis, Kafka, and cloud deployments, and I focus heavily on performance, fault tolerance, and maintainable architecture. I’d be happy to review your system design and discuss the best approach for handling real-time telemetry and passenger service integration at scale. Best regards, Jasmin
$500 USD dalam 7 hari
6.2
6.2

Interesting project, I will build your transport backend with the GPS telemetry ingestion pipeline, digital ticketing and fare management APIs, payment gateway integration, and real-time bus location streaming via WebSockets. The system will be designed to handle 250-300 buses and the 2.5M daily GPS records from day one. For the telemetry pipeline, I will use Kafka to buffer incoming GPS records and write them to PostgreSQL in batches rather than per-message inserts. Combined with Redis for caching active vehicle positions, this keeps your WebSocket feeds instant while the database handles sustained write throughput without locking up read queries. Questions: 1) Which white-label GPS platform are you integrating with, and does it push data via MQTT, webhooks, or a polling API? 2) Do you have a preferred payment gateway, or should I recommend one based on your region? Looking forward to your response. Best regards, Kamran
$300 USD dalam 13 hari
6.2
6.2

Hello, I’m excited about the opportunity to contribute to your project. With my expertise in backend development using Node.js (NestJS), PostgreSQL, Redis, and real-time data architectures, along with experience building scalable APIs and telemetry-driven systems, I can deliver a robust backend that aligns perfectly with your transport platform goals. I’ll tailor the work to your exact requirements, ensuring reliable GPS data ingestion, real-time bus tracking, secure digital ticketing and payment integration, and a scalable architecture capable of handling high telemetry volumes and operational analytics. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$500 USD dalam 3 hari
5.1
5.1

Hello, the scope of integrating a white‑label GPS platform with a custom backend for 250-300 buses is clear, especially the need to manage high‑volume telemetry alongside passenger services. I’ve delivered similar systems, including a fleet‑tracking backend that processed over 3M daily MQTT events and a NestJS ticketing platform with payment gateway integration. A core challenge here is ensuring ingestion stability at scale, GPS spikes, queue backpressure, and race conditions around fare validation are common pitfalls. Getting the Kafka/MQTT pipelines tuned and Redis used correctly for caching and real‑time lookups is key. I’ll design the service modules in NestJS, implement ingestion workers for GPS streams, build the ticketing and fare logic, integrate your payment provider, and structure PostgreSQL for operational reporting. I’ll also containerize components and prepare cloud‑ready deployment. Before finalizing scope, I need to understand your current GPS provider’s data schema, preferred cloud environment, and any regulatory requirements tied to payments. Thanks, John allen.
$500 USD dalam 7 hari
4.5
4.5

Hi, I came across your project "Backend Development for Transport Management Platform" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in Node.js, PostgreSQL, Socket IO, Amazon Web Services. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$600 USD dalam 15 hari
4.6
4.6

⭐⭐⭐⭐⭐ Build Robust Backend for Transport System APIs and GPS Integration ❇️ Hi My Friend, I hope you are doing well. I reviewed your project requirements and see you are looking for a Backend Developer. Look no further; Zohaib is here to help you! My team has completed 50+ similar projects focused on transport systems. I will create efficient backend APIs, integrate GPS tracking, and ensure smooth digital ticketing within your budget. ➡️ Why Me? I have 5 years of experience in backend development, specializing in API creation, GPS integration, and data management. My skills include Node.js, PostgreSQL, and real-time data systems. Additionally, I have a strong grip on cloud deployment technologies, ensuring your project is scalable and efficient. ➡️ Let's have a quick chat to discuss your project details. I can provide samples of my previous work, showcasing my expertise in building robust backend systems. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Backend API Design ✅ GPS Integration ✅ Real-time Data Processing ✅ Digital Ticketing Systems ✅ Payment Gateway Integration ✅ Database Architecture ✅ Data Analytics ✅ Node.js (NestJS) ✅ Java Spring Boot ✅ PostgreSQL ✅ Redis ✅ Cloud Deployment (AWS/Azure) Waiting for your response! Best Regards, Zohaib
$350 USD dalam 2 hari
5.2
5.2

Hello, I have experience building scalable backend systems with Node.js/NestJS, PostgreSQL, and real-time data pipelines. I can develop the APIs, integrate the GPS tracking platform, handle high telemetry ingestion, and implement ticketing, payments, and analytics for your transport system. I’m comfortable with Kafka/MQTT, Redis, WebSockets, and cloud deployment, and can share relevant backend project examples if needed. Please come to the chat box so we can easily discuss in details, Thank You ,
$820 USD dalam 6 hari
4.3
4.3

Nice to talk you , After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer for DS Pro IT agency. I have worked for over 10 years in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
$922 USD dalam 7 hari
5.0
5.0

With over a decade of experience in the realm of backend development and data management, I believe I am the ideal candidate for your transport management platform project. My team at Avalon AI has been at the forefront of building scalable, intelligent solutions, and our work spans both national and international operations. Consequently, this puts us in a unique position to understand and deliver on specific needs within the GPS tracking and transportation sector. In terms of technology, I am well-versed in Node.js (NestJS) or Java Spring Boot, which are perfectly aligned with the preferred stack for this project. Moreover, my extensive experience with PostgreSQL and Amazon Web Services will ensure a robustly designed system. The fact that we've successfully implemented high-scale backend systems before adds weight to our candidature.
$5,000 USD dalam 60 hari
4.5
4.5

Dear , I am a seasoned Backend Developer with expertise in building robust systems and integrations. Your project on developing a hybrid bus transport management platform aligns perfectly with my skill set and experience. I have a proven track record in designing and implementing backend APIs, integrating GPS tracking systems, and developing real-time telemetry solutions. With proficiency in Node.js, PostgreSQL, Redis, Kafka, and REST APIs, I am well-equipped to deliver a scalable and efficient system for your transport platform. My portfolio includes successful projects in real-time data systems and high-scale backend systems, making me an ideal candidate for this endeavor. I am excited about the opportunity to collaborate on this project and showcase how my expertise can contribute to its success. I invite you to review my portfolio for relevant backend system examples. Let's discuss further how I can bring value to your transport management platform. Warm regards,
$250 USD dalam 7 hari
4.2
4.2

Hello, I am excited about the opportunity to work on your hybrid bus transport management platform. With over 5 years of experience in backend development and a strong focus on real-time data systems, I am well-equipped to handle the challenges of this project. I have developed scalable APIs using Node.js (NestJS) and designed robust database architectures with PostgreSQL. My experience includes integrating GPS tracking systems and implementing digital ticketing platforms, ensuring seamless payment gateway integration. I am familiar with handling high telemetry data ingestion, having worked on projects that process millions of records daily. I am committed to delivering a solution that meets your needs and exceeds expectations. I am available to start immediately and can dedicate the necessary time to ensure the project is completed on schedule. You can view my portfolio on GitHub at [your GitHub link]. Looking forward to discussing this project further. Abdulhamid
$350 USD dalam 1 hari
3.9
3.9

Hello, I’m a backend engineer with strong experience building high-throughput API platforms, real-time telemetry systems, and payment-enabled services using Node.js (NestJS), PostgreSQL, Redis, Kafka, and cloud infrastructure. Your transport platform combining GPS telemetry and passenger services is very similar to systems I’ve worked on in logistics and IoT monitoring. I can design and implement scalable backend APIs to support bus tracking, ticketing, and operational analytics while integrating your existing white-label GPS tracking platform. For telemetry ingestion (~2.5M GPS records/day), I would implement a stream-based architecture using Kafka/MQTT with Redis caching and PostgreSQL storage, ensuring reliable processing and real-time updates through WebSockets. On the passenger side, I can build the digital ticketing and fare management system, integrate a secure payment gateway, and implement reporting and analytics services for operational monitoring. The architecture will focus on fault tolerance, scalable ingestion pipelines, and maintainable service modules. I emphasize clean API design, clear documentation, and production-ready infrastructure so the system can reliably support hundreds of buses and scale as the fleet grows. I’d be happy to review your existing GPS platform APIs and discuss the architecture for the first development phase.
$9,000 USD dalam 90 hari
4.1
4.1

Hi! I’d be excited to help build the backend for your hybrid bus transport platform. I have experience designing scalable APIs and PostgreSQL architectures, integrating real-time telemetry (Kafka/MQTT/WebSockets), and implementing digital ticketing with payment gateways. I can ensure smooth ingestion of high-volume GPS data (~2.5M records/day) while keeping the system performant and reliable, and I’m comfortable deploying on AWS or similar cloud environments. Looking forward for your positive response in the chatbox. Best Regards, Arbaz M
$500 USD dalam 2 hari
3.9
3.9

Hello, I am immediately available to start as needed and can align with your schedule. I have hands-on experience delivering real-time transport backends using Node.js/NestJS, PostgreSQL, Redis, Kafka, and WebSockets for fleets of 200+ vehicles, with event-driven data pipelines, fault-tolerant ingestion, and telemetry normalization. I will design modular APIs, ingest GPS telemetry at scale, implement digital ticketing and fare management, integrate payments, and provide robust monitoring, CI/CD, and scalable cloud deployment on AWS. Please confirm the preferred next step so I can align my approach . Best regards, Mojjammil
$350 USD dalam 5 hari
3.6
3.6

Hi there, I see you're looking for a backend developer to create a transport management platform that integrates GPS tracking and a digital ticketing system. With 4+ years of experience in backend development, I specialize in designing and building robust APIs and scalable systems. My approach would involve leveraging technologies like Node.js or Java Spring Boot to ensure seamless integration of the white-label GPS tracking system and efficient real-time data handling. I have worked with PostgreSQL and Redis, which would help in managing the high volume of telemetry data you mentioned, and I’m comfortable implementing payment gateways and analytics features. My experience also includes building systems that handle large-scale data ingestion, similar to your requirements. What are the main challenges you foresee in integrating the GPS tracking with the passenger services system? Best regards, Arslan Shahid
$250 USD dalam 7 hari
3.8
3.8

I have spent the last several years architecting backend infrastructures for logistics and transport systems, focusing on high-concurrency dispatching and real-time fleet management. Recently, I engineered a core routing engine that handled sub-second latency for driver assignments, ensuring that data flow between dispatchers and field units remained uninterrupted. I understand that a transport platform's success hinges on a reliable API layer and deep integration with external telemetry services to maintain total operational transparency across the entire supply chain. My approach involves building a modular architecture using Node.js or Python, paired with PostgreSQL and PostGIS for advanced spatial data handling and geofencing. I will prioritize a RESTful API design that facilitates seamless communication between the frontend and core logistics modules, including route optimization, load balancing, and driver settlements. For the integration layer, I’ll implement Google Maps for tracking, Twilio for real-time alerts, and secure gateways for automated billing. By leveraging Docker for containerization and a strict TDD workflow, I will ensure the system is both scalable and resilient against high-traffic spikes during peak hours. Are you planning to support real-time GPS tracking via a dedicated mobile app, or will the system pull data from external ELD hardware? I’m also curious about your preference for cloud infrastructure like AWS or Azure for the initial deployment phase. Let’s have a quick chat to align on these technical requirements and discuss a roadmap for the build. I am available for a brief call or message exchange whenever it fits your schedule to finalize the architecture details and get started.
$593 USD dalam 21 hari
3.1
3.1

✔✔✔Hold on!! Looking for a Developer Who Gets Results? Hire Me, Relax, and Watch Your Project Turn Into Success✔✔✔ Hello, Before jumping into solutions, I focus on fully understanding the goal of the project and the real problem that needs to be solved. Clear communication and quick feedback are the keys to finishing projects smoothly and on time. I always keep clients updated, share progress frequently, and stay available for real-time discussion when needed. This helps avoid delays and ensures the final result matches expectations perfectly. If you’re looking for someone reliable who treats your project seriously and focuses on delivering results, I’d be happy to discuss the details and get started. Let’s talk and make this project a success. Best Regars Anton
$500 USD dalam 7 hari
3.1
3.1

Hello There!!! ★★★★ ( Backend Development for Transport Management Platform ) ★★★★ I understand you are building a hybrid bus transport platform combining GPS tracking with a custom passenger service system. The backend must manage real-time telemetry for 250–300 buses, ticketing, payment integration, and high-volume GPS ingestion while staying scalable and reliable. ⚜ Backend API architecture for transport system ⚜ GPS platform integration and telemetry ingestion ⚜ Real-time bus tracking using WebSockets ⚜ Digital ticketing and fare management logic ⚜ Payment gateway integration ⚜ Scalable PostgreSQL + Redis data architecture ⚜ Analytics, reporting and cloud deployment I bring 9+ years experiance building high-scale backend systems and API driven platforms. I have worked on realtime data pipelines, IoT integrations and payment systems where performance and reliability is very important. My approach would be using Node.js with NestJS, PostgreSQL and Redis for fast data handling, plus Kafka or MQTT for telemetry streaming. APIs and WebSockets will power live bus tracking while cloud deployment ensures the system scale smothly. Would be glad to discuss your platform vision and share similar backend work I’ve done. Warm Regards, Farhin B.
$256 USD dalam 10 hari
3.1
3.1

Harare, Zimbabwe
Kaedah pembayaran disahkan
Ahli sejak Nov 15, 2015
$250-750 USD
$250-750 USD
$250-750 USD
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$250-750 USD
₹12500-37500 INR
€30-250 EUR
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₹750-1250 INR / jam
₹12500-37500 INR
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₹1500-12500 INR
$250-750 USD
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₹12500-37500 INR
€5000-10000 EUR
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$8-15 USD / jam