Backend Intern

Backend Engineer - Python

Location

Bangalore, India

Experience Required

2-3 years minimum

Job Overview

We are seeking a skilled Backend Engineer with expertise in Python to join our engineering team. The ideal candidate will have hands-on experience building and maintaining enterprise-level, scalable backend systems.

Key Requirements

Technical Skills

    CS fundamentals are must (CN, DBMS, OS, System Design, OOPS) • Python Expertise: Advanced proficiency in Python with deep understanding of frameworks like Django, FastAPI, or Flask

• Database Management: Experience with PostgreSQL, MySQL, MongoDB, and database optimization

• API Development: Strong experience in designing and implementing RESTful APIs and GraphQL

• Cloud Platforms: Hands-on experience with AWS, GCP, or Azure services

• Containerization: Proficiency with Docker and Kubernetes

• Message Queues: Experience with Redis, RabbitMQ, or Apache Kafka

• Version Control: Advanced Git workflows and collaboration

Experience Requirements

• Minimum 2-3 years of backend development experience

• Proven track record of working on enterprise-level applications

• Experience building scalable systems handling high traffic loads

• Background in microservices architecture and distributed systems

• Experience with CI/CD pipelines and DevOps practices

Responsibilities

• Design, develop, and maintain robust backend services and APIs

• Optimize application performance and scalability

• Collaborate with frontend teams and product managers

• Implement security best practices and data protection measures

• Write comprehensive tests and maintain code quality

• Participate in code reviews and architectural discussions

• Monitor system performance and troubleshoot production issues

Preferred Qualifications

• Knowledge of caching strategies (Redis, Memcached)

• Understanding of software architecture patterns

• Experience with Agile/Scrum methodologies

• Open source contributions or personal projects

About Sun King

Sun King is the world’s leading off-grid solar energy company, delivering energy access to 1.8 billion people without reliable grid connections through innovative product design, fintech solutions, and field operations.

Key highlights:

• Connected over 20 million homes to solar power across Africa and Asia, adding 200,000 homes monthly.
• Affordable ‘pay-as-you-go’ financing model; after 1-2 years, customers own their solar equipment.
• Saved customers over $4 billion to date.
• Collect 650,000 daily payments via 28,000 field agents using mobile money systems.
• Products range from home lighting to high-energy appliances, with expansion into clean cooking, electric mobility, and entertainment.

With 2,800 staff across 12 countries, our team includes experts in various fields, all passionate about serving off-grid communities.

Diversity Commitment:

44% of our workforce are women, reflecting our commitment to gender diversity.

About the role:

The Backend Developer works remotely as part of the technology team to help Sun King’s EasyBuy business unit design and develop software to improve its field team operations.

What you will be expected to do

• Design and develop applications/systems based on wireframes and product requirements documents. 
• Design and develop logical and physical data models to meet application requirements. 
• Identify and resolve bottlenecks and bugs based on operational requirements.
• Perform unit tests on code to ensure robustness, including edge cases, usability, and general reliability. 
• Write reusable and easily maintainable code following the principles of DRY (Don’t Repeat Yourself). 
• Integrate existing tools and business systems, both in-house and external services, such as ticketing software and communication tools. 
• Collaborate with team members and product managers to understand project requirements and contribute to the overall system design. 

You might be a strong candidate if you have/are

• Have development experience: 1-2 years backend development experience and have strong problem-solving abilities, proficiency in data structures, and algorithms. 
• Have a profound grasp of object-oriented programming (OOPS) standards and expertise in Core Java. 
• Have knowledge of SQL, MySQL, or similar database management. 
• Have Experience in integrating web services, such as SOAP, REST, JSON, and XML. 
• Have familiarity with RESTful APIs for linking Android applications to backend services. 
• Have preferred experience with version control systems like Git, but not mandatory. 
• Have additional knowledge of web technologies like HTML, CSS, JavaScript, and frameworks like Spring or Hibernate would be advantageous. 

What we offer (in addition to compensation and statutory benefits):

• A platform for professional growth in a rapidly expanding, high-impact sector.
• Immerse in a collaborative culture, energized by employees of Sun King who are collectively motivated by fostering a transformative, sustainable venture.
• A genuinely global environment: Engage and learn alongside a diverse group from varied geographies and backgrounds.
• Tailored learning pathways through the Sun King Center for Leadership to elevate your leadership and managerial capabilities.

We are seeking a highly skilled Backend Developer to join our team and contribute to the development and improvement of both our customer-centric SaaS platform and internal systems.

As a Backend Developer, you will be responsible for designing, implementing, and maintaining the server-side logic of our application, ensuring high performance, scalability, and security.

Responsibilities:

• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.

• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.

• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.

• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.

• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.

• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.

• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.

Requirements:

• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.

• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.

• Familiarity with SaaS concepts and architecture.

• Experience with API design and development, including RESTful APIs. • Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.

• Experience with version control systems, such as Git.

• Strong problem-solving and analytical skills, with keen attention to detail. • Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.

• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory.

As a Backend Developer with expertise in Java, and PostgreSQL, you will play a critical role in developing and maintaining the backend infrastructure of our SaaS and internal platforms, ensuring its reliability, scalability, and performance. Join our team and be a part of building cutting-edge software solutions that empower our customers and drive business growth. 

Must have exp in Django. [ Mandatory]

• The ability to problem-solve and critically think.
• High level of knowledge of Python and the Django framework.
• Familiarity with event driven programming as well as the MVC.
• Good understanding of SQL databases.
• Good understanding of REST APIs.

Position Overview:

We are seeking a Node.js Developer with 1-2 years of experience to join our team. The ideal candidate should have hands-on experience in backend development, a solid understanding of JavaScript, Express.js, and familiarity with databases. You will be responsible for developing and maintaining server-side applications, collaborating with front-end teams, and ensuring optimal performance.

Key Responsibilities:

• Backend Development: Build and maintain server-side applications using Node.js and Express.js.
• API Development: Design and implement RESTful APIs to support various functionalities.
• Database Management: Work with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases.
• Code Quality & Testing: Write clean, reusable, and testable code while following best practices.
• Performance Optimization: Optimize applications for speed and scalability.
• Troubleshooting & Debugging: Identify and resolve application issues to ensure smooth operations.
• Security Implementation: Apply basic security measures to protect applications and data.
• Collaboration: Work closely with front-end developers to integrate UI components with backend logic.

Required Qualifications:

• 1-2 years of experience in Node.js backend development.
• Strong proficiency in JavaScript and ES6+ concepts.
• Hands-on experience with Express.js or similar frameworks.
• Familiarity with front-end technologies (HTML, CSS, React/Angular is a plus).
• Experience working with databases (MySQL, PostgreSQL, MongoDB).
• Basic understanding of asynchronous programming and event-driven architecture.
• Experience with Git for version control.
• Knowledge of basic cloud services (AWS, Azure, or GCP is a plus).
• Understanding of Docker and containerization is an advantage.
• Good problem-solving skills and willingness to learn.

About Us

At Toddle, we are on a mission to help schools around the world deliver better learning. We are a team of 2x founders – before founding Toddle, we set up a network of preschools and schools in India. We continue to operate these preschools and schools as it gives us a unique vantage

point into the challenges faced by schools.

Our belief is that real impact in education can only be achieved by improving schools. That’s because children spend more than 80% of their learning time in school and schools are here to stay as schools are not just about teaching & learning, they also play a pivotal social role in our lives. So while most Edtech companies are trying to solve for education by working outside the school system, we think that the focus needs to be on taking our schools to the next level.

Our first product is a collaboration platform for teaching teams – we say that Toddle is to teaching, what Figma is to design. In its current version, Toddle empowers teachers to work together and better across all stages of the teaching-learning process – right from curriculum

planning and assessments to progress-tracking and family communication.

Here are some key facts about us:

1. Currently used by 1,000+ schools and 30,000+ teachers from 107 countries

2. Global revenue – 40% from Americas, 30% from EMEA, 30% from APAC

3. NRR > 115%

4. NPS > 70

5. Annual churn < 5%

6. Inbound led GTM motion fuelled by positive word of mouth

We love solving for

1. Creating delightful experiences that help teaching teams collaborate better & be more effective

2. Building tools that help teachers personalise learning for their students

3. Helping teachers around the world connect with each other meaningfully

We are at a series A stage right now, growing fast in the SAAS Ed-tech space, and have been funded by Sequoia, Matrix, Beenext, and Better Capital among others.

Here’s what you’ll be doing

We are looking for a passionate and skilled Backend engineer, one who partners with us in creating beautiful products for teachers, students and parents alike. As a Backend engineer, you will play a major role in designing, developing and deploying high-quality web platforms. In

this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.

Required Skills:

Frameworks & Technologies: Node.js, Express, GraphQL, JWT

Database: SQL query writing and optimisation.

Tools: Git basics, Scripting basics

Good to have:

DevOps experience with AWS, CI/CD

Working experience in PostgreSQL

Is this someone that looks like you?

• Education: B.E/B.Tech degree

• Experience: 1 to 3 years of relevant working experience (SaaS preferred)

• Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills

• We deeply value building the right culture at Toddle, and these are a few things that we look for in each hire - Coach-ability, Curiosity, Ownership, Hustle and Humility

Excited about the role?

Here are a few more benefits:

1. Work from anywhere - Work from where you like - home, co-working space, cafe or the hills

2. Exposure to diverse learning opportunities

Work across different projects & teams to develop skills outside of your core expertise

Access to a small budget towards learning (e.g. books, online courses, substacks)

3. Uncapped leave policy

We trust you fully on your commitment to our mission and your judgement on planning your time and taking leaves:

No cap on the number of sick or casual leaves

Special paid leaves for childbirth, wedding etc.

And if in any circumstance you feel burnt out - there is a little something for this too!

No questions asked menstrual leave

4. Flexible working hours - Block “no-meeting hours” to enable uninterrupted focused work

5. No bell curve performance evaluations

6. And yes, a super fun and smart group of folks to collaborate and grow with.

Still with us? Here’s the process:

1. Shortlisting:

• Apply for the role.

• We’ll check out your application and assess it for a fit

• You will hear back from us within 2-3 days of the submission if shortlisted

2. Once shortlisted, we usually do about 2-3 rounds of interviews, a written assignment, and deep reference checks.

3. We value everyone’s time hence we make it a point to communicate proactively at all stages of your application. You can always reach out to us for any questions.

Requirements:

• Required experience of 3 to 8 years

• Required Skill Set: Core Java, Java 8, Spring, Spring Boot, Database, Unit Testing & Rest API.

• Good to have Microservices

• Familiarity with concepts of MVC, JDBC, and RESTful

• You will be responsible to perform- requirement analysis, high-level design, coding, unit testing, and general quality assurance of the web applications

• Knack for writing clean, readable Java code

• Understanding fundamental design principles behind a scalable application

• Good to have knowledge of Spring Security, and JPA

Responsibilities:

• Designing and implementing Java-based applications.

• Analyzing user requirements to inform application design.

• Defining application objectives and functionality.

• Aligning application design with business goals.

• Developing and testing software.

• Debugging and resolving technical problems that arise.

• Producing detailed design documentation.

• Recommending changes to existing Java infrastructure.

• Developing multimedia applications.

We are hiring for a Software Engineer Team Lead - Backend, to join our education-focused fintech lending startup, GrayQuest. Our core product is a combination of a lending product, a rewards product and an insurance product to redefine the education fees payment across the country.

• Participate in all stages of the Software Development Lifecycle
• Develop back-end components, services, and APIs. Support integration of user-facing elements, and collaborate closely with the design and front-end development team.
• Write elegant, effective, and scalable code while maintaining the highest level of coding standards.
• Take complete ownership of projects and ensure timely deliveries
• Ability to debug, refine, review, and deploy code
• Work closely with the QA team to test, and document project features.
• Ability to interact with all stakeholders. Understand business requirements, and effectively convert them into technical specifications
• Mentor junior developers and participate in peer Review

Requirements:

• Demonstrable experience as a Python Developer (3+ years)
• Strong knowledge of Python frameworks (Django Rest, Flask)
• Experience working on REST APIs
• Strong knowledge of SQL and JavaScript
• Experience with Amazon Web Services (AWS)
• Working knowledge of React
• Familiarity with Agile development methodology
• Good understanding of task breakup, milestone definition, and work delegation.
• Past experience of working in a fintech/financial services domain or a consumer internet startup will be preferable but not required
• Work experience in early-stage startups (0 ->1) is a big plus
• Bachelors or equivalent degree from premier institutes is a plus
• Most importantly, the biggest skill we look for our prospective candidates is "Learnability" - how quickly can you learn. 

Why is this a great opportunity for the right candidate:

1. Work with a young dynamic core team backed by marquee investors from the financial services space
2. Work on a product/business that has achieved product market fit and take it to scale
3. Equity compensation and competitive market salaries
4. Work environment that prioritizes talent, hustle and dedication
   
   

We will also ensure we give a preference to applicants who directly email us with their background/context and why they think they should be a strong candidate for this position at GrayQuest. Email us at work (at the rate) grayquest (dot) com and cc Sonal (at the rate)grayquest (dot) com