Web Developer

About 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.

Job Responsibilities

• Should have experience in Software Product Development at an enterprise level.  .
• Analyze requirements and come up with possible solutions to solve the problem, evaluating and capturing necessary tradeoffs
• Build and improve newest services and ensure that they are well tested and released quickly and often to our customers
•  Debugging capabilities and identify the root cause of the problem and fix them.
•  Influencing the architecture of an application. 
•  Design and implement cloud based high-performance, highly available services to cover customers’ high demands and big data volumes 
•  Maintain rapid deployment pipelines and observability of the services to support operations/troubleshooting. 
•  Think about security of the whole technical stack and processes to ensure customers’ data is safe 
•  Take care of all aspects of the product: from implementation, through testing, to operations.

Job Requirements

• Proficiency in Python programming
• Mandate experience working as a Python Developer with Django.
• Should have good experience in Flask, numpy and pandas
• Should have good experience in REST API development with Django.
• Have In-depth understanding of Object Oriented Programming ( OOPs ) concepts.
• Are Able to create Database Schemes that represent and support business processes.
• Should have good understanding of Agile frameworks such as Git, Jenkins etc.
• Must have experience working on MySQL, HTML, CSS, JavaScript & jQuery.
• Must have experience with Web Servers e.g. Nginx, Apache.
• Good to have AI/ML/Data science certification.
• Must be a fast learner and comfortable teaching yourself new skills and can thrive in a complex and fast-paced environment.
• Positive attitude and excellent communication as well as written skills

• Defining new merchandising or reporting functionality
• Adding more advanced search capabilities
• Improving scoring/recommendation models
• eCommerce platform integrations/API implementations
• Load testing/scaling features as we continuously grow
• Something new. There are always interesting new challenges that come our way. Here are a couple of things we’ve worked on recently:
  • Managing background jobs with competing performance goals like quick turnaround while staying within platform API limits
  • Embedding and dynamically changing products in an email even after sending it
  • Managing and coordinating multi data-center processes

• 1-3 years of experience in Ruby On Rails (or a similar MVC framework like Express or Django). You are comfortable with Routes, Migrations, Models, Callbacks, Validations, and so on.
• Ability to design clean, scalable data structures for new features.
• A good understanding of design patterns so that complex processes are written in a maintainable way.
• Knowledge of managing source code with Git.
• Comfortable in a Linux OS.
• Good communication skills, and ability to clearly plan and describe features before building.

• Challenging, exciting work, at scale
  You get to understand the challenges our customers face first-hand, and collaboratively design and build amazing solutions that will be used by millions of shoppers through billions of API requests. There’s always something new and exciting to build.
• Have a direct impact
  Seven engineers currently build, refine, and scale the entire product. Working in a small team means you will have a say in the way the product is built, and your performance will have a direct impact on the company’s outcome.
• Culture
  Tagalys is a place for you to be yourself, enjoy your work, and achieve your potential. We love the energy that comes from working with smart people in a simple and welcoming environment. We design our workflow to make sure you are also able to focus on everything else in life that is important: family, friends, and health.
• Benefits
  You get great pay, coupled with flexible hours, a hybrid work model, and comprehensive insurance for your and your dependents. For the people contributing significantly, we also offer ESOPs so there is an opportunity to build wealth as you help the company grow.

• Developing front-end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

• Degree in computer science.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks React.js.
• Proficiency with Ruby on Rails
• Familiarity with database technology such as MySQL or Oracle or PostgreSQL.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

• 5 working days
• Flexible timings
• Work from home granted