Python
Django
PostgreSQLAbout us
CallHub provides cloud based communication software for nonprofits, political parties, advocacy organizations and businesses. We have delivered over 200 millions messages and calls for thousands of customers. We help political candidates during their campaigns in getting their message across to their voters, conduct surveys, manage event/town-hall invites and with recruiting volunteers for election campaigns. We are profitable with 8000+ paying customers from North America, Australia and Europe. Our customers include Uber, the Democratic Party, major political parties in the US, Canada, UK, France and Australia.
About the Role
As a Senior/Lead Software Engineer at CallHub, you will play a critical role in leading the development and enhancement of our cloud-based communication and telephony platform (SaaS). You will be responsible for designing, building, and optimizing scalable, high-performance backend systems that support the rapid growth of our global user base, ensuring reliability, security, and customer satisfaction at every step. In this role, you will collaborate with cross-functional teams of highly skilled software engineers, operations engineers, and product managers to drive innovation and create products that delight customers by exceeding their expectations. You will lead technical decision-making, mentor engineers, and be responsible for building robust systems that are always available, while also contributing to the development of automation tools to streamline processes and improve efficiency. We are seeking experienced engineers with a deep understanding of software engineering principles, strong problem-solving skills, and a passion for leading teams to deliver impactful, customer-focused solutions. If you thrive in a fast-paced environment, love solving complex technical challenges, and are excited about mentoring and guiding the next generation of engineers, we’d love to hear from you!
Your Responsibilities
- Lead the design, development, and deployment of complex, scalable, reliable, and highly available features for world-class SaaS products and services.
- Guide the engineering team in adopting best practices for software development, code quality, and architecture.
- Make strategic architectural and technical decisions, ensuring the scalability, security, and performance of software applications.
- Proactively identify, prioritize, and address technical debt to improve system performance, maintainability, and long-term scalability, ensuring a solid foundation for future development.
- Collaborate with cross-functional teams (product managers, designers, and stakeholders) to define project scope, requirements, and timelines.
- Mentor and coach team members, providing technical guidance and fostering professional development.
- Oversee code reviews, ensuring adherence to best practices and maintaining high code quality standards.
- Drive continuous improvement in development processes, tools, and technologies to increase team productivity and product quality.
- Stay updated with the latest industry trends and emerging technologies to drive innovation and keep the team at the cutting edge.
- Ensure project timelines and goals are met, managing risks and resolving any technical challenges that arise during development.
- Foster a collaborative and inclusive team culture, promoting open communication and problem-solving.
- Imbibe and maintain a strong customer delight attitude while designing and building products.
What we’re looking for
- 7+ years of experience in software engineering, with a proven track record of leading engineering teams and mentoring junior developers.
- Strong expertise in designing and developing scalable backend systems, web services, and REST APIs using Python/Django or similar frameworks.
- Solid understanding of cloud-based architectures and microservices, with experience in deploying and maintaining SaaS applications.
- Solid experience in software engineering principles, including CI/CD pipelines, unit testing, code reviews, and version control (e.g., Git).
- Proficiency in working with databases like PostgreSQL, and experience in optimizing queries and ensuring high availability.
- Deep knowledge of computer science fundamentals, including data structures, algorithms, and software design principles.
- Experience with frontend technologies such as React, JavaScript, HTML, and CSS, and an understanding of how they integrate with backend services.
- Ability to quickly adapt to new technologies and make informed technical decisions in dynamic environments.
- Strong attention to detail, with the ability to empathize with customer needs and translate them into impactful software solutions.
- Excellent written and verbal communication skills, with the ability to clearly articulate technical concepts to both technical and non-technical stakeholders.
- Collaborative team player, willing to support and work closely with cross-functional teams.
- Bachelor’s or Master’s degree in Engineering or Computer Science from a reputable institution.
What you can look forward to
- Leadership and Ownership: Lead and oversee the entire software development lifecycle, from system design and development (backend and frontend) to QA and DevOps, with a focus on driving high-impact projects.
- Strategic Impact: Witness the direct impact of your work on our users and the overall success of the company, shaping products and solutions that make a significant difference.
- Innovative Technologies: Stay at the forefront of technology by working with the latest tools and frameworks, as we continuously innovate to deliver reliable and scalable solutions for our customers.
- Collaborative Culture: Engage in a culture of openness and collaboration, where your insights and leadership help drive the company’s success and delight our customers.
Shubham Vishwakarma
Full Stack Developer - Averlon
About CallHub
About
Founded in 2011, CallHub is an easy to use and award winning voice broadcasting, phone banking and SMS broadcast software that seamlessly integrates with users' existing systems. They are used across 200 countries and world renowned campaigns run by Uber, Greenpeace, Harvard University, Princeton University, Change.org, Save the Children, United Workers Union, among many others.
Check out the video below for a sneak peek into the product!
CallHub, headquartered in Washington DC, is the leading digital organizing platform for political campaigns, nonprofits, advocacy groups, and businesses seamlessly interact with their audiences worldwide.
The product
Their call center software enables unlimited agents to connect with people over a call to have personalized one-on-one conversations. The range of automated dialers (which include Power, Preview, Predictive, and Fast Click dialers) gives clients complete control over their dialing speed based on your needs while maintaining compliance. With features like answering machine detection, voicemail drop, phone number verification, and many more, the software ensures you spend maximum time having quality conversations. CallHub's mass texting solution lets users connect with people over SMS with solutions like Bulk SMS, MMS, SMS Opt-in and peer-to-peer texting.
Tech stack
PythonDjango
React.jsCompany video
Candid answers by the company
Connecting people and enabling conversations was always the core idea. In 2011, Augustus Franklin created a chat tool that allowed visitors to a webpage to communicate with each other. This concept evolved initially into an engagement tool for online marketplaces and eventually into the foundation of what it is today – a comprehensive campaigning platform, one that empowers changemakers, organizations, and businesses to reach millions of constituents and facilitates change, one message, one call, one campaign at a time!
Photos
Company social profiles
Similar jobs
JavaPython
Javascript- BS in CS or EE or equivalent
- Experience working on large scale systems in rapid growth environments
- Experience with public cloud offerings (AWS, GCP, Azure)
- Solid programming skills; preferred experience in Java, and/or Python
- Experience with modern web frameworks, advanced algorithms/data intelligence, public
- cloud platforms and streaming data pipelines
- Familiarity with containerization, microservices architecture, continuous integration, and delivery
- 5+ years’ experience preferred
PythonDjango
Flask
Amazon Web Services (AWS)Must have,
- Fundamental of Python(Data types in python, scope of variable, asynchronous programming)
- Should be able to code in Python
- Basic Understanding of Database
- API designing
- Problem Solving skills
- Fundamentals of storage, caching
Good to have,
- AWS Knowledge,
- Python Framework(Django, Flask)
- Knowledge on Message Broker, Caching
- SQL and no-SQL database
PythonQuantsapp is India's first Option Trading Analytics platform on mobile. With
ever-growing users,
it makes us one of the fastest growing platform for options trading in India.
Quantsapp wants to accelerate its growth even more and capture new
countries which requires the development team to grow.
At Qauntsapp we are looking for a dynamic team mate to take up a role of
Server side development to support the brain behind the application.
Job Summary :
- You will be responsible for developing new logics / products / features as
described by the business / research team.
- An ideal candidate should be strong in mathematical processes like
optimizations, matrix algebra, differential equation, simulation process etc.
and should also possess decent hands-on experience on python, sql server and
preferably Aws. IIT graduation is a plus.
Responsibilities :
- Create algorithms from scratch
- Create products and backend API's as described by the business team
- Back-test and create hypothesis as desired by the research team
- Code the backend of logics for consumption by the UI team
- Deploy websockets, rest api's & dynamic tcp, udp based data flow
- Deployment and maintenance of codes with version control
Requirements :
- Should possess a good knowledge of advanced computing and mathematical
process
- Strong hands-on on Python and optionally Matlab
- Knowledge of databases like Sql & No Sql
- Ability to work with tight time lines
- In depth knowledge and good hands on experience on Pandas and Numpy
- Knowledge of Option Markets is a plus
- Excellent organizational and multitasking ability
- Experience on AWS Cloud is a plus
NodeJS (Node.js)Javascript
GitPostgreSQL
Senior Node JS developer
Job Description
- Working experience in Nodejs, MySQL, Postgres SQL
- Good knowledge of designing and writing restful API
- Working experience of GIT
- Will prefer candidates who have knowledge of GraphQL, Typescript
- Well-versed and experienced with unit testing, code coverage.
- Well versed with SOILD design principles and their application
- Knowledge of AuthO, typeORM required
- Good to have – some experience with Azure DevOps and/or azure functions.
-Working experience on Docker- good to have
PythonDjango- You will design and develop large scale distributed services.
- You will analyze and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership.
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight.
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
- You have 2+ years of experience in product software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python.
- You understand the business impact of your decisions.
PHP
MongoDBHe/she should have minimum 3 yrs working experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Open cart, payment gateway integration, experience working on portals.
Responsibilities :
- Execute full lifecycle software development
- Develop, designed well efficient code
- Integrate software components into a fully functional software system
- Fully adaptive to the technology needed for the current project
Required Skills :
- Bachelor/ Master degree from good college.
- Strong knowledge of algorithms, data structure
- Understanding object-oriented programming
- Excellent knowledge of PHP, Mysql, SQL. NoSQL, Mongodb
- Ability & Readiness to work with any technology
- Familiarity with software development methodology and release processes.
- Strong problem-solving skills and excellent communication skills.
Job Type: Full-time
PythonDjangoAmazon Web Services (AWS)About the Company :
- ALLY - GLOBAL DISTRIBUTION PLATFORM - BLOCKCHAIN POWERED
- The-Ally (Ally), derived from - Theatrically', is India's 1st Indigenous open platform for Creators/Producers/Filmmakers with an audacious goal to enable every filmmaker to launch their film globally and monetize thru Pay-Per-View. Ally is India's first Transparent & Trusted film distribution & real-time verification. We are located in Bangalore
Ally SoftwareLLP is recruiting Python Developers.
Experience : Required immediate joiners with 2-5 years of experience in python development.
- This candidate will help us build a leading system for the entertainment economy. If you are passionate about experiments and research and have super interest in coding and doing new stuff, we are looking for you to be part of the growing team and a unique concept.
- We are primarily looking for good Python/Django mid-level developers. You should necessarily have 2 +yrs of experience in python development, preferably in a startup.
Just to define, you should have some of the following skills :
- Web apps development experience in Python/Django
- Knowledge of HTTP and RESTful APIs
- Experience in Django Rest Framework
- Understand models, views, and templates
- Should be able to create APIs
- Work with front-end developers to integrate their CSS and JavaScript
- Virtualization : AWS, VirtualBox, Docker.
PythonDjango● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performance efficient
applications.
● Integration of user-facing elements developed by front-end developers with server-side
logic.
● Implementation of security and data protection
● Integration of data storage solutions
**Backend Developer Requirements:**
● Expert in Python, with knowledge of Django Web Framework.
● Familiarity with some ORM (Object Relational Mapper) libraries.
● Working knowledge of MySQL.
● Fair understanding of building RESTful APIs.
● Bonus points for Celery, RabbitMQ.
● Worked with Django application deployment on AWS.
● Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
● Understanding of accessibility and security compliance.
● Knowledge of user authentication and authorization between multiple systems, servers,
and environments.
● Familiarity with event-driven programming in Python.
● Able to create database schemas that represent and support business processes.
● Strong unit test and debugging skills.
● Proficient understanding of Git.
Python
Angular (2+)React.jsDjango
PythonNodeJS (Node.js)
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon