PHP 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.

• Understand the requirement and convert that into API design.
• Write the code independently 
• Unit testing and bug fixing
• Write code with standards and conventions and follow best practices.
• Know how to engineer a full-fledged system and not just write code to make things work.
• Knowledge of agile methodologies, scrum.
• Should be able to guide juniors.
• Communication with clients for requirement understanding.
• Code Merging and deployment

• REST APIs in Spring Boot and Spring Framework
• MySQL Database, complex SQL queries (like joining multiple tables)
• Spring Security, JWT Tokens
• Third party Integration
• Unix basic commands
• Apache Tomcat, Deployment of War in Unix environment.
• Jira or any other Issue/Task tracking systems.

We aspire to build a high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon.

Your responsibilities as an Engineer: 

•     Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.

•     Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.

•     Prepares and installs solutions by determining and designing system specifications, standards, and programming.

•     Improves operations by conducting systems analysis; recommending changes in policies and procedures.

•     Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products.

•     Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment

•     Participate in educational opportunities & read professional publications;

•     Protects operations by keeping information confidential.

•     Provides information by collecting, analyzing, and summarizing development and service issues.

•     Accomplishes engineering and organization mission by completing related results as needed.

•     Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Skill sets we require:

•     Proven work experience as a Software Engineer or Software Developer

•     Experience designing interactive applications

•     Ability to develop software in or other programming languages like JIRA or Postman

•     Excellent knowledge of relational databases, MYSQL and Restful API

•     Experience developing web applications using at least one popular web framework (Laravlel, Codeigniter and Magento)

•     Experience with test-driven development

•     Proficiency in software engineering tools

•     Ability to document requirements and specifications

Experience & Pedigree: 

•     Bachelor’s/Master’s degree in Computer Science Engineering or equivalent

• Have thorough knowledge of PHP, JavaScript, AJAX, jQuery, HTML5, CSS3, Bootstrap
• Possess the ability in Angular js, React js
• Top-notch programming skills, ability to produce quality code that is maintainable, efficient, reliable and secure.
• Development of APIs as required. Rest or Soap API integration.
• Strong knowledge of MVC is required
• Must Know Framework like Laravel, CodeIgniter, Cake Php, Yii
• Have experience in MySQL, MariaDB databases.
• Distributed version control and regular deployments.
• Have Good Communication skills.