Linux BSP Developer

🚀 Hiring: Python Developer

⭐ Experience: 2+ Years

📍 Location: Mumbai (Andheri East )

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

Looking for a skilled Python Developer with experience in Django / FastAPI and MongoDB / PostgreSQL.

⭐ Must-Have Skills:-

✅ 2+ years of professional experience as a Python Developer

✅Proficient in Django or FastAPI

✅Hands-on with MongoDB or PostgreSQL

✅Strong understanding of REST APIs & Git

Looking for Immediate joiners Bangalore location(3-9years)

Key responsibilities:

• Understand all requirements, Design, Develop and implement features, complying with engineering and regulatory standards and procedures for charging stations.
• Create multiple concepts, evaluate, and implement the optimal one.
• Develop and maintain product’s design integrity with good knowledge of software system architecture and design.
• Apply problem-solving techniques and guide team towards arriving at solutions.
• Work with cross functional team from Concept prototyping to Launch & thereafter.
• Guide team towards creation and handling of all design and development related processes and documents like, defining requirements, high level design, low level design, DFMEA, DF’X’, Interface sign off, RCA, etc.

Key requirements

• A Bachelor/ master’s degree in E&E/ECE engineering from premier institute
• 5 years+ product development experience on Linux based systems, with full lifecycle experience for atleast 2 industry deployed products.
• Software Design and Architecture experience on Linux platforms
• Interfacing with SaaS via network or REST APIs 
• Knowledge of CAN, RS485/Modbus protocols, Kafka, Distributed Messaging 
• C++ with STL, Linux system programming, scripting, network/sockets programming, strong in UDP/TCP networking, libcurl + HTTP(s)
• Knowledge of Bluetooth/BLE, Elastic Search + Logstash, Java performance tuning 
• Knowledge of security-based Threat Modelling Design & Mitigation, TLS/SSL, Docker + Docker networking, Python + node.js + WebSocket’s, HTML5, JavaScript. 
• Excellent communication, leadership, and problem-solving skills
• Ability to work in a fast-paced and dynamic environment.

About the Role:

We are looking for an experienced VoIP Developer to design, develop, and maintain enterprise communication systems. You will work with Kamailio, OpenSIPS, Freeswitch, and Asterisk to build scalable VoIP solutions.

Skills Required:

• Hands-on experience with Kamailio, OpenSIPS, Freeswitch, Asterisk
• Knowledge of IMS & Diameter
• Proficiency in C / C++ programming
• Strong understanding of TCP/IP, LAN/WAN, VLAN/L3 VPNs
• Good knowledge of SIP/SDP, RTP/SRTP, TLS protocols
• Experience with MySQL / MongoDB
• Understanding of Enterprise PBX features
• Problem-solving and debugging skills
• Good written and verbal communication

Nice-to-Have:

• Building softPBX, Voicemail, ACD, IVRS applications
• Experience with Python, PHP, Java, JavaScript
• Linux administration and command-line skills
• Knowledge of WebRTC, firewall, security
• Familiarity with tools like cmake and git

What We Offer:

• Remote / flexible work options
• Opportunity to work on large-scale VoIP systems
• Collaborative environment with skilled peers

Type: Individual contributor with good hands on proficiency. 

Must have

• Strong proficiency in at least one of  Java, Ruby, Python
• Exposure to databases: any of  PostgreSQL, MySQL, Apache Cassandra
• Any NoSQL database experience is a plus
• Exposure to AWS cloud infrastructure: EC2 or S3 
• Proficiency with Git
• MUST: Using REST to make API calls. 

Great to have: 

• Experience working with one or more middleware, enterprise bus, queueing frameworks
• Any of Memcached/Redis, Apache Kafka / RabbitMQ / PubSub+ / AmazonMQ

Soft skills:

• Appreciation for clean and well documented code

What will you do at Tradyl:

(Examples for illustration only)

• Build a shipping service module that is called by our website to query shipping rates from India to a destination country. Configure this to so that an Ops person can update shipping costs as and when they change. Own deployment and monitoring of this service. 
• Use Zapier to build a workflow to export a MixPanel report into a Google sheet every day.
• Change our supplier portal (built on bubble.io) to make an API call to our customer facing site, whenever a supplier modifies his profile.
• Write an alert mechanism that identifies catalogues with insufficient information and makes them non discoverable, which can run every day.
• Work with Business Team to design a workflow for product inwarding using Airtable. Write a small app within Airtable so that whenever a product is updated as “shipped” in airtable, it updates the customer facing website.
• Use an open source dashboarding framework to create a quick dashboard to track important business events. 

1. Building REST API's & Services In Django Framework
2. Building reusable code and libraries for future use
3. Optimization of the application for maximum speed and scalability
4. Implementation of security and data protection
5. Design and implementation of the database schema
6. Design and implementation of data storage solutions
7. Implementing CI/CD pipeline

• Proficient knowledge of a back-end programming language Python
• Hands-on experience with Python Frameworks like Django
• Proficient knowledge of MySQL, PostgreSQL
• Creating database schemas that represent and support business processes (Relational & NoSQL)
• Understanding of queueing systems like Redis/AWS SQS
• User authentication and authorization between multiple systems, servers, and environments
• Data migration, transformation, and scripting
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Proficient understanding of code versioning tools, such as Git

• Experience in Docker
• HandsOn Knowledge with implementing CI/CD pipelines
• Experience in managing applications on AWS
• Management of hosting environment, including database administration and scaling application to support load changes
• Product wide application-level thinking on API and data modeling

Responsibilities :

• Design, develop Digital communication waveforms like QAM, QPSK, OFDM
• Simulate and analysis link budget, path loss, Noise margins, Coding gain for various path loss models.
• Should be strong in signal processing, AGC, Channel encoding, Channel estimation, Collision detection.
• Jointly work with other PHY development teams for implementing the designs.
• Should have knowledge in legacy modulation techniques like FM and AM