

About Our Client
It is a last-mile tech-logistics solution provider for intra-state deliveries based in Bangalore. It offers reliable, affordable, and professional services, structured to serve enterprises.
Our Client aggregates light commercial vehicles for urban logistics and has onboarded 55,000+ truckers on its platform across 14 cities. Our Client works across industry sectors like organized retail, FMCG and e-commerce, distribution and 3PL companies. Some of its clients include Amazon, Flipkart, Bisleri, Vishal Mega Mart, Future Supply Chain, Coca-Cola, Delhivery, and Udaan.
The company offers customized logistics solutions for clients, along with other value-added services such as screened drivers, audited and GPS-enabled vehicles, point-to-point billing, status updates, 24x7 service, and greater efficiency, all at transparent and economical pricing.
Our Client, as a brand, is known as one of the market leaders in the enterprise segment, and first movers to identify and empathize with the underserved urban trucker community, playing a huge role in making them a part of the mainstream economy. This series-B funded tech-logistics company aims to disrupt the primitive $35bn+ urban-logistics industry by leveraging technology and help enterprises to reach consumers faster.
Our Client is India's largest enterprise urban-logistics provider in India, with 55,000+ Light Commercial Vehicles on its platform.
Why Our Client?
1) Young Startup growing and well funded.
What will I do?
- Designing user flows and converting them into logical entities in the code.
- Integration of user-facing elements developed by front-end developers with server-side logic.
- Designing Database schemas.
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions
What skills should I have?
- 3+ years of experience in Backend Development.
- Language: NodeJs
- Additional knowledge of Python will be a plus
- Understanding of microservices architecture.
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git

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About koolio.ai
Website: www.koolio.ai
Koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.
About the Internship Position
We are looking for a motivated Backend Development Intern to join our innovative team. As an intern at koolio.ai, you’ll have the opportunity to work on a next-gen AI-powered platform and gain hands-on experience developing and optimizing backend systems that power our platform. This internship is ideal for students or recent graduates who are passionate about backend technologies and eager to learn in a dynamic, fast-paced startup environment.
Key Responsibilities:
- Assist in the development and maintenance of backend systems and APIs.
- Write reusable, testable, and efficient code to support scalable web applications.
- Work with cloud services and server-side technologies to manage data and optimize performance.
- Troubleshoot and debug existing backend systems, ensuring reliability and performance.
- Collaborate with cross-functional teams to integrate frontend features with backend logic.
Requirements and Skills:
- Education: Currently pursuing or recently completed a degree in Computer Science, Engineering, or a related field.
- Technical Skills:
- Good understanding of server-side technologies like Python
- Familiarity with REST APIs and database systems (e.g., MySQL, PostgreSQL, or NoSQL databases).
- Exposure to cloud platforms like AWS, Google Cloud, or Azure is a plus.
- Knowledge of version control systems such as Git.
- Soft Skills:
- Eagerness to learn and adapt in a fast-paced environment.
- Strong problem-solving and critical-thinking skills.
- Effective communication and teamwork capabilities.
- Other Skills: Familiarity with CI/CD pipelines and basic knowledge of containerization (e.g., Docker) is a bonus.
Why Join Us?
- Gain real-world experience working on a cutting-edge platform.
- Work alongside a talented and passionate team committed to innovation.
- Receive mentorship and guidance from industry experts.
- Opportunity to transition to a full-time role based on performance and company needs.
This internship is an excellent opportunity to kickstart your career in backend development, build critical skills, and contribute to a product that has a real-world impact.
Position: Senior Backend Developer (NodeJS)
Experience: 5+ Years
Location: Bengaluru
CodeCraft Technologies multi-award-winning creative engineering company offering design and technology solutions on mobile, web and cloud platforms.
We are looking for an enthusiastic and self-driven Backend Engineer to join our team.
Roles and Responsibilities:
● Develop high-quality software design and architecture
● Identify, prioritize and execute tasks in the software development life cycle.
● Develop tools and applications by producing clean, efficient code
● Automate tasks through appropriate tools and scripting
● Review and debug code
● Perform validation and verification testing
● Collaborate with cross-functional teams to fix and improve products
● Document development phases and monitor systems
● Ensure software is up-to-date with the latest technologies
Desired Profile:
● NodeJS [Typescript]
● MongoDB [NoSQL DB]
● MySQL, PostgreSQL
● AWS - S3, Lambda, API Gateway, Cloud Watch, ECR, ECS, Fargate, SQS / SNS
● Terraform, Kubernetes, Docker
● Good Understanding of Serverless Architecture
● Proven experience as a Senior Software Engineer
● Extensive experience in software development, scripting and project management
● Experience using system monitoring tools (e.g. New Relic) and automated testing frameworks
● Familiarity with various operating systems (Linux, Mac OS, Windows)
● Analytical mind with problem-solving aptitude
● Ability to work independently
Good to Have:
● Actively contribute to relevant open-source projects, demonstrating a commitment to community collaboration and continuous learning.
● Share knowledge and insights gained from open-source contributions with the development team
● AWS Solutions Architect Professional Certification
● AWS DevOps Professional Certification
● Multi-Cloud/ hybrid cloud experience
● Experience in building CI/CD pipelines using AWS services

Summary/Objective:
We are looking for high performing developers who will get to develop an awesome product which the end user must love and trust. You will be responsible for building, scaling and maintaining the multiple modules, encompassing - external integration, API management, building business and operation processes, designing and defining micro services, designing multi-input/output state machines. You will work closely with business, product and UI teams and build products that would maximise business impact and customer delight. We are looking for people who love to challenge and contribute to new way of thinking. We value entrepreneurship skills, rolling up sleeves, resolving issues and raising up the bar. We love people who are excellent with delivery and execution and have a design thinking approach. You should be comfortable learning in a fast-paced environment and applying it at work. A quick overview of our stack:Python, MySQL, NoSQL, Memcache, Bigquery Microservices Responsibilities
• Write clear and effective API documentation.
• Write codes to integrate applications being used by various stakeholders
• Write and review test cases to QA pass your own code.
• Write/review test cases for code and process coverage
• Review code for both oneself and team members
• Reviewing designs, code, and processes from a system security standpoint
• Defining and building micro-services
• Building systems with positive business impact
• Tracking module health, usage, behaviour tracking, measure and improve code and processes Requirements
• An engineer with at least 1-7 years of working experience in web services, preferably in Python
• Must have penchant for good API design.
• Must be a Stickler for good clear and secure coding
• Must have built and released APIs in production
• Experience in working with RDBMS and No SQL databases
• Must have designed thoughtful, extensible data models
• Knowledge of identifying, defining and building micro-services
• Working knowledge of GCS, AWS, Azure or any other cloud provider
• Aggressive problem diagnosis and creative problem-solving skills
• Communication skills, to speak to developers across the world. Good To Have
• Focus on constant improvement of developer experience
• Building or Working knowledge of CI/CD
• Basic know-how of front-end technologies like AngularJS/React
• Have worked on additional languages like Javascript/Ruby
Thanks





- Provides free and subscription-based website and email services hosted and operated at data centres in Mumbai and Hyderabad.
- Serve global audience and customers through sophisticated content delivery networks.
- Operate a service infrastructure using the latest technologies for web services and a very large storage infrastructure.
- Provides virtualized infrastructure, allows seamless migration and the addition of services for scalability.
- Pioneers and earliest adopters of public cloud and NoSQL big data store - since more than a decade.
- Provide innovative internet services with work on multiple technologies like php, java, nodejs, python and c++ to scale our services as per need.
- Has Internet infrastructure peering arrangements with all the major and minor ISPs and telecom service providers.
- Have mail traffic exchange agreements with major Internet services.
Job Details:
This job position provides competitive professional opportunity both to experienced and aspiring engineers. The company's technology and operations groups are managed by senior professionals with deep subject matter expertise.
The company believes having an open work environment offering mentoring and learning opportunities with an informal and flexible work culture, which allows professionals to actively participate and contribute to the success of our services and business.
Job Role and Responsibilties:
1. Full lifecycle (SDLC) application development.
2. Designing, coding and debugging existing code.
3. Understanding of front end and user interface engineering design.
4. Software testing and quality assurance.
5. Integration of the modules in the existing systems.
6. Evaluation and identification of the new technology developments in the work domain.
7. Maintaining standard practices and compliances.
QUALIFICATION AND EXPERIENCE
A graduate degree or senior Diploma in engineering or technology with 4-8 years of experience in some or all of the following.
- PHP, Integration with MemCache, Membase, MySQL, Oracle, CDB/BDB, Error Handling and debuggers
- Data Structures,
- HTML / XHTML, CSS, java-script, Smarty
- Web Services, SOAP, XML, REST
- Code optimization, Scaling, Session management, Version control Systems
- MIME Parsing, Large data processing in PHP (encoding, parsing, escaping for special characters etc.)

• Experience in design and development of Full Stack applications using one or
more JS frameworks like ReactJS
• Good architectural & design skills.
• Strong coding, data structures, and algorithms skills
• The ability to own end-to-end responsibility - right from the requirement to
release.
• The ability to produce bug-free and production-grade code.
Key Deliverables:
• Lead the team by example.
• Help design and code highly scalable and secure systems
• Work with a performance-oriented team driven by ownership and open to
experiments.
• Build stable and scalable applications that are unit and integration tested.
• Learn & Develop Leadership skills
• Understanding of CI/CD process and using Docker
TECHNICAL COMPETENCIES REQUIRED:
• Node.js, ReactJS. Experience building microservices (REST APIs) using
Node.js
• AWS experience integrating technologies like SQS, SNS, SES, Lambda, API
Gateway, Cognito
• Experience with one or more RDBMS databases like MySql, PostgreSQL
• Experience with one or more NoSQL databases like MongoDB, Cassandra,
DynamoDB, Aerospike, Elastic Search, Redis, neo4j, etc.
• Caching technologies like: Redis, Elastic cache,
• Cloud Providers like AWS/ Google Cloud / Azure
• CI / CD: Jenkins, Docker, Kubernetes

Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Responsibilities:-
- Own the product development from scratch.
- Architect scalable, distributed and large-scale web and mobile solutions from scratch.
- Code for fresh development and to troubleshoot and resolve issues.
- Writing reusable, testable, and efficient code.
- Creating database schemas that represent and support business processes.
- Design and implementation of low-latency, high-availability, and performant applications.
- Able to learn & implement new technology/framework/library at God Speed.
- Customer-focused, react well to changes, work with teams and be able to multitask.
- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development.
Desired Candidate Profile:-
- A Bachelor's degree in Computer Science or related field(or combined with related experience)
- Strong Expertise in Node.js/Javascript
- Hands-on experience in writing Node.js applications
- Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
- Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
- Knowledge of SQL and NoSQL database(MongoDB)
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS
- Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
- Implementing automated testing platforms and unit tests.
- Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
- Good communication and interpersonal skills
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Schedule:
- Day Shift/Flexible working hours
- Monday to Friday


- Set up, manage, automate and deploy AI models in development and production infrastructure.
- Orchestrate life cycle management of AI Models
- Create APIs and help business customers put results of the AI models into operations
- Develop MVP ML learning models and prototype applications applying known AI models and verify the problem/solution fit
- Validate the AI Models
- Make model performant (time and space) based on the business needs
- Perform statistical analysis and fine-tuning using test results
- Train and retrain systems when necessary
- Extend existing ML libraries and frameworks
- Processing, cleansing, and verifying the integrity of data used for analysis
- Ensuring that algorithms generate accurate user recommendations/insights/outputs
- Keep abreast with the latest AI tools relevant to our business domain
- Bachelor’s or master's degree in Computer Science, Statistics or related field
- A Master’s degree in data analytics, or similar will be advantageous.
- 3 - 5 years of relevant experience in deploying AI models to production
- Understanding of data structures, data modeling, and software architecture
- Good knowledge of math, probability, statistics, and algorithms
- Ability to write robust code in Python/ R
- Proficiency in using query languages, such as SQL
- Familiarity with machine learning frameworks such as PyTorch, Tensorflow and libraries such as scikit-learn
- Worked with well know machine learning models ( SVM, clustering techniques, forecasting models, Random Forest, etc.)
- Having knowledge in CI/CD for the building and hosting the solutions
- We don’t expect you to be an expert or an AI researcher, but you must be able to take existing models and best practices and adapt them to our environment.
- Adherence to compliance procedures in accordance with regulatory standards, requirements, and policies.
- Ability to work effectively and independently in a fast-paced agile environment with tight deadlines
- A flexible, pragmatic, and collaborative team player with an innate ability to engage with data architects, analysts, and scientists.


Job description
We are looking for a passionate Software Development Engineer to develop, test, maintain and document program code in accordance with user requirements and system technical specifications. As a Software Development Engineer, you will work with other Developers and Product Managers throughout the software development life cycle.
Software Development Engineer responsibilities include analysing requirements, define system functionality and writing code in the companys current technology stack. The candidate is expected to be familiar with the software development life cycle (SDLC) process from preliminary system analysis to tests and deployment. Ultimately, the role of the Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design. Your goal will be to build efficient programs and systems that serve user needs.
To be qualified for this role, you should hold a minimum of Bachelor’s degree in a relevant field, like Computer Science, IT or Software Engineering. You should be a team player with a keen eye for detailed and problem-solving skills. If you also have experience in SDLC, Agile frameworks and popular coding languages (e.g., Java), strong computer science fundamentals we’d like to meet you.
Years of experience : 2 to 10 years.
Roles & Responsibilities
The overview of this position (based in Chennai, India) includes:
- Develops, enhances, debugs, supports, maintains and tests software applications that support business units or supporting functions. These application program solutions may involve diverse development platforms, software, hardware, technologies and tools.
- Participates in the design, development and implementation of complex applications, often using new technologies.
- Technology professional with experience in designing and managing the implementation of future looking, flexible and reusable, enterprise applications and components.
- Expert in translating business requirements into an application design that includes Data Model, Web Screens, Web Services, and batch processing.
- May provide technical direction and system architecture for individual initiatives.
- Serves as a fully seasoned/proficient technical resource.
- Deploy programs, gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
- Develop software verification plans and quality assurance procedures
- Document and maintain software functionality
- Ensure software is updated with latest features
- Good interpersonal and technology understanding skills
- Evaluate open-source components and integrate into product pipeline
Skills and Qualifications
- Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications.
- Strong Java, development skills (JAVA, J2EE, STRUTS, SPRING, Web Services, Eclipse, UI screens, AngularJS, React.JS)
- Excellent debugging skills
- Strong knowledge on databases (MySQL, MSSQL Server and NoSQL databases)
- Understanding of various deployment servers (Apache Tomcat is a must)
- Understanding of OO skills, including strong design patterns knowledge is a must.
- Strong understanding in creating and maintaining web services.
- Understanding of the software development life cycle
- Experience with Implementation and release management activities
- Good understanding of unit/system and functional testing methodology
- Experience working in large transaction-based systems
- Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI)
- Experience documenting technical functions
- Desire to contribute to the wider technical community through collaboration, coaching, and mentoring of other technologists.
- Experience in Linux based systems, development of shell-based scripts.
Job Training
- Training on the coding paradigms, guidelines, frameworks, usage of the applications would be provided by the engineers
- Periodic training sessions would be conducted by the technical architects in terms of technology and skills to be learnt
- Periodic, structured training would be provided on the applications Hours & Environment
- Typical 40 hours of work a week
- Depending on the requirements, work hours may have to be extended during the day, weekend



scalability, accessibility, usability, design, and security in mind. If you don't have all
of these, that's ok, but be excited about learning the few you don't know.
Familiar with building complex web applications using Javascript / AJAX, XHTML,
CSS.
Experience with or knowledge of jQuery, Java, Struts, and other website technologies.
Strong, object-oriented design and coding skills (C/C++ and/or Java preferably on a
UNIX or Linux platform)
Solid software development background including design patterns, data structures,
test driven development
Knowledge of Perl or other scripting languages a plus
Experience with distributed (multi-tiered) systems, algorithms, and relational
databases
Software development experience in building highly scalable applications
Master’s degree in Computer Science, Computer Engineering or related technical
discipline
Experience in eCommerce and Deep hands-on technical expertise
Ability to handle multiple competing priorities in a fast-paced environment
Experience working with service oriented architectures and web based solutions.

