Tech Lead

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

• 6+ 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 Description:

MySQL Database Administrator (DBA) who will be responsible for ensuring the

Performance, Database Tuning, Database Cleanup, Database Migration, Database Availability, and Security of Clusters of MySQL

Instances. The candidate will also be responsible for Orchestrating Upgrades,

Backups, and Provisioning of Database Instances. The candidate will also work in

tandem with the other teams, documentation, and specifications as required.

.

• Key Responsibilities:

✓ Provision MySQL instances, both in Clustered and Non-Clustered Configurations

✓ Ensuring the Performance, Database Tuning, Database Availability, and Security

of Clusters of MySQL Instances

✓ Development of Database Schema

✓ Development of ERD

✓ Find the Root Cause of Database related issues & Database Clean-up

✓ Migrating Data from Customer Database to Serosoft Product Database

✓ Prepare Documentation and Specifications

✓ Handle common database procedures, such as upgrade, backup, recovery,

migration, etc.

✓ Profile server resource usage, optimize and tweak as necessary

✓ Collaborate with other team members and stakeholders

• Skills and Qualifications:

✓ Strong proficiency in MySQL database management

✓ Decent experience with recent versions of MySQL

✓ Understanding of MySQL’s underlying storage engines, such as InnoDB and

MyISAM

✓ Experience with replication configuration in MySQL

✓ Proficient in Database Clean-up and Migrations

✓ Knowledge of De-Facto Standards and Best Practices in MySQL

✓ Proficient in Writing and Optimizing SQL statements

✓ Proficient in Table Scan, Row Scan, Query Execution Plan, SQL Profiler, etc.

✓ Should be able to decide when to create Views (Standard Views, Indexed views,

and Partitioned views)

✓ Knowledge of MySQL features, such as its Event Scheduler

✓ Ability to plan Resource requirements from High-Level Specifications

✓ Familiarity with other SQL/NoSQL databases such as PostgreSQL, MongoDB, etc.

✓ Knowledge of limitations in MySQL and their workarounds in contrast to other

popular relational databases

✓ Proficient understanding of code versioning tools such as SVN / Git

✓ DBA Certification would be added advantage

• Experience in Developing QlikView / Qlik Sense BI visualizations and dashboards. QlikSense and NPrintiing experience is a must.
• Strong knowledge of building Qlik Sense dashboards applying business rules and data validations.
• In-depth understanding of Qlik Sense Server Architecture, building QVDs and QVFs, applying business rules and data validations.
• Familiarity with charts and graphs, creating complex visualizations for dynamic aggregation Good Knowledge of Incremental data loading concepts and data modeling.
• Additionally, Qlik developers have to troubleshoot issues and provide the necessary solution

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! - https://www.happyfox.com/

We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.

Responsibilities: 

• Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
• Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
• Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
• Responsible for architecture and design decisions
• Own stability and performance of the service that you work on
• Work with the Engineering Manager to ship stable software on time
• Contribute to the vision and long-term strategy in your area of expertise

Requirements: 

• 2+ years of experience in a technical lead role designing and building complex backend systems
• 5+ years of professional software development experience
• Excellent knowledge of best practices and coding patterns
• Deep knowledge of backend programming languages like Python and web application frameworks like Django
• Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
• Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
• Extensive experience with Linux/UNIX production environments
• Strong sense of quality in terms of both program architecture and code style
• Passion to dig into technically complex problems to troubleshoot and figure out a solution
• Desire to continuously improve and ship the best quality product
• Pragmatic approach to make sure technical decisions align with actual business needs. 
• Good understanding of the trade-offs when building for product value, reliability, or performance
• Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
• An engineering degree is a must(B.E. CS preferred)

• Research and recommend prospects for new business opportunities
• Research and analyze sales options
• Build and maintain relationships with clients and prospects
• Stay current with trends and competitors to identify improvements or recommend new products
• Collect and analyze information and prepare data and sales reports
• Attend workshops to learn more technical and professional skills for the job
• Build and maintain professional networks

Business Development Executive

We are looking for an energetic, well-spoken business development executive to contribute and join the growth of our company.

Business Development Executive Responsibilities:

• Familiarizing yourself with all services offered by our company.
• Conducting market research and identifying potential clients.
• Procuring new clients through direct contact, word-of-mouth, referrals, cold calling, email campaigns, and social media campaigns
• Write a pitch for email and social media 
• Schedule appointments with interested clients
• Crafting business proposals and contracts to draw in more revenue from clients.
• Collating and maintaining client information in the database.

Business Development Executive Requirements:

• Experience with lead generation and prospect management
• Able to professionally and confidently communicate with C-Level Executives
• 3 - 5 years of relevant work experience in business development or similar field preferred.
• Extensive sales experience.
• Intuitive and insightful, particularly regarding human behavior.
• Ability to generate revenue by identifying pain points and suggesting suitable services.
• Great networking skills.
• Demonstrated and proven sales track record

Nice to Have

• Degree in marketing, business administration, or similar.
• Strong IT Skills and knowledge of Cloud

Perks and Benefits 

• Unparallel incentives!
• Growth (Guess what? You need not wait for a year to grow. Perform Well, Grow
• Soon!)