Backend Developer - SE/SSE/Staff/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

• 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.

• Software Engineering
  • Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal guidance for a market leader in the logistics industry
  • Partner with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
  • Research new technologies and tools that enable building the next generation of our services
  • Provide technology leadership to the team and foster engineering excellence
• Product Delivery
  • Partner with product managers to define and execute on the feature roadmap
  • Translate business requirements into scalable and extensible design
  • Coordinate with various cross functional teams on planning and execution
  • Maintaining automated build / test / deployment environments

• Software Engineering
  • Should have at least 3 years of hands-on experience in designing, developing, testing and deploying applications on Java, Ruby, Kotlin, Python, Node or Go for large scale applications
  • Deep knowledge of one of the programming languages they have experience in
  • Proficient in OOP and Design Patterns, experience with functional programming would be a plus
  • Data modelling experience in Relational Databases
  • Ability to design and implement low latency RESTful services
• Product Delivery
  • Ability to scope, review and refine user stories for technical completeness and to alleviate dependency
  • Well versed in working with agile methodologies which includes phases such as design, development, code review, testing and release management
  • Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source code management tools
• Product Maintenance

• Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks
• Continuously refactor applications to ensure high quality design

http://getsimpl.com/">Simpl partners with popular online brands and offers their customers the ability to make purchases without paying for them at that very moment.

Over the years, additionally, it has also developed a range of offerings including a one-time checkout feature; Bill Box, which allows customers to automate their recurring expense payouts, and splitting a bill in three parts, to build a “full-stack solution,” said Nitya Sharma, co-founder and chief executive of Simpl, in an interview with TechCrunch.

Some of Simpl’s partners include telecom network Jio Platforms, food delivery service Zomato, pharmacy 1MG, grocer BigBasket and ticketing platform MakeMyTrip.

Know More About Simpl

[ https://techcrunch.com/2021/11/30/india-fintech-simpl-raises-40-million">https://techcrunch.com/2021/11/30/india-fintech-simpl-raises-40-million ]

[ https://getsimpl.com/about-us/">https://getsimpl.com/about-us/ ]

Java 1.8 or later/Golang/Ruby on Rails,
Spring, Spring Boot, Microservices, SQL / NoSLQ , REST APIs , Redis , Kafka, Rabbit MQ, Docker, AWS

B2B / B2C / Cloud (AWS/ GCP) / SAAS Products ,  Software Best Practices , REST / GRPC , Domain Driven Design, Event and Message Driven Systems , Data Structures , Algorithms, OOPS, System Design, JUnit, Mockito, Fitnesse, Cucumber, HTML/ CSS / Javascript, Git , Bitbucket, Maven, Asynchronous / Functional / Reactive Programming in Java

• An Engineering Degree - B.E/B.Tech/MS/PhD in any stream – Computer Science preferred.
• 7-12 years of relevant experience in building highly resilient, highly scalable systems
• Understand the product management space with Agile methodologies.
• Demonstrated end-to-end ownership for development and design of least one cloud-based product - Experience in building microservices / platforms is desirable.
• Strong desire to drive change, and ability to adapt to change quickly. Proficient in new and emerging technologies.
• Ability to balance the long-term “big picture” and short-term implications of design decisions.
• Exceptional communication and interpersonal skills - including negotiation, facilitation, and consensus building skills; ability to influence and persuade, without direct control.
• Mentoring / coaching Junior and Senior Engineers.
• Focus on reusability, frameworks, patterns and configuration tools for faster development.
• Excellent in Engineering excellence – code quality, performance tuning / chaos engineering, operational excellence etc.
• DevOps and TechFinOps mindset to problem solving and product development.

Senior Software Engineer - Backend

About the company

We are building analytics on natural language to help product development teams learn from large-scale customer feedback. Since our inception in 2020, we have been backed by top-tier VC firms from Silicon Valley and India. Today, we are proud to partner with some of the fastest scaling Product Led Growth companies. We are growing really fast and excited about having more people join us on this journey

Roles & Responsibilities

• Working closely with founders to develop the entire backend and build out product features at a rapid pace.
• Identifying and driving innovative solutions to address the most critical needs of our customers.
• Work in close collaboration with cross-functional partners in data science, design and frontend functions.
• Solve complex MLOps (model deployment, monitoring, training) challenges.
• Build cost effective and scalable systems.
• Contribute to product development by pitching in with ideas and doing proof-of-concepts.

Qualifications

• Over 2 years of work experience in the industry.
• Experience of domain modelling and deep understanding of distributed systems.
• Proficiency with any part of our technology stack: Golang, Serverless, Event Driven Architectures, NoSql/SQL, Elastic Search, Graphql, Microservice Architecture
• Hands-on experience in using versioning systems like Git.
• Experience working with CI/CD pipelines.
• Experience with automated test suites
• Strong interpersonal skills and a desire to work collaboratively to achieve objectives
• Excellent organisational and analytical abilities

Benefits and Perks

• Autonomy and Ownership
• Smart, Humble and Friendly peers
• Competitive remuneration package with equity options
• Generous vacation
• Maternity and Paternity leaves
• Learning & Development resources
• Initial grant to setup home-office 
• Monthly stipend for coffee / nutritional supplements

Eximius is a micro-VC fund which invests into early-stage startups. One of our portfolio startup iTribe is looking for "Hustlers", "First Principle Thinkers", "Crazy and trips on creating products out of the box from scratch", "Outspoken", "unafraid of users ripping your product".

About iTribe: 
iTribe is on a mission to make discussing finance from being a taboo topic to a dinner table topic, which means making "Bharat" financially literate and independent. iTribe is a social network which allows anyone to discover, discuss, vet ideas and seek advice from like-minded iTribe aims at making Finance simple, witty and fun for everyone

Founded in 2021 by IIT Kharagpur alumni to convert their own journey of becoming investors into a product to help billion users. An emerging startup backed by some of the most respected investors around the world.

Responsibilities

• Craft clean, manageable code, maintain proper documentation and code integrity
• Maintain quality and ensure 100% uptime
• Create, test and deploy the applications on production servers
• Continuously discover, evaluate, and implement new technologies and frameworks to maximize development efficiency
• Responsible for security and data protection.

• Working alongside Product managers to architect and design new features.
• Collaborate with the rest of the engineering team to launch new features.
• Unblock peers and keep all the internal and external teams informed about the progress of development

Requirements

• 2 - 5 years of experience in designing and developing Server side component (REST APIs, Micro service Architecture)
• Good understanding and strong in data structures and algorithms (Degree in computer science is an added advantage)
• OOP implementation experience with back-end programming languages (Ex: JavaScript, Python, Java, etc).
• Good to have experience with event driven architecture.
• Good understanding of databases such as MongoDB, PostgreSQL, MySQL.
• Well-versed with Software Development Life Cycle
• Demonstrate the ability to be a self-starter, learn and implement new technologies/ frameworks
• Excellent analytical and problem-solving skills

Why you should join iTribe? 

• Building a product which is not done in decades.
• Be a part of the founding team and work directly with the founders.
• Competitive Salary
• ESOPs - ownership in the company
• Medical Insurances
• Subscriptions to premium platforms for learning
• Books that you ask for
• Friendly leave policy