
Job Description:
Candidate must have 2 to 5-years of experience in various phase of development of a python-based application or API development.
Requirements:
Must Have: Strong expertise in PYTHON and its built-in data structures, developing API using flask or fastapi, data wrangling using standard python frameworks like pandas, NumPy etc., integration of various applications (third party or inhouse) with python.
Good to Have: Deployment using Nginx, GUnicorn, IIS, docker and Kubernetes etc. Good understanding of optimization solutions like differential evolution. Hands on experience with python packages like Scipy. Tkinter to make python-based applications.
Roles and Responsibilities:
- Understanding/gathering the requirements from stakeholder, formulating the problem, and leveraging AI/ML to solve the business problems.
- Integration of third party or in house application with python solution.
- Working on Deployment and optimization of various engineering problems using Numerical/Constraint optimization frameworks such as Differential Evolution and deploy a web-based API using Flask and Nginx/IIS.
- Unit testing of various python modules developed and testing of the API.

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Calling 2026 Graduates from IITs, NITs & IIITs Across All Engineering Streams
At Loyalty Juggernaut (LJI), we're looking for curious minds, strong problem-solvers, and passionate engineers to join our Product Engineering team through our Intern-to-FTE program.
As an intern transitioning to a full-time role, you will own the end-to-end software development lifecycle, including technical design, implementation, deployment, support, and optimization of software solutions.
You will
- Collaborate with the Business teams, Product teams and Clients to understand business scenarios and customer pain points
- Tackle complex technical challenges and build highly functional cutting-edge product features
- Own the complete product delivery across the full tech stack
- Continuously improving product performance and user experience
To be successful in this role, you should be a meritorious student from a college of repute and have,
- Bachelor's degree in Engineering any stream, class of 2026
- Min. 7.5 CGPA score with no backlogs
- Excellent programming skills.
- Strong academic performance in data structures and algorithms.
- Demonstratable programming and application skills in academic projects- Java/Python/Rest APIs/PostgreSQL/ AI-ML/Mobile Development/similar.
- Confident communication skills
Our Tech Stack:
- Java(Springboot)
- Python(Django)
- PostgreSQL
- AI/ML
- REST, web services
- Angular, Javascript, HTML
- Jenkins, Maven, Git, Ansible
- AWS
While we encourage eligible candidates to apply, this role requires more than just theoretical knowledge. If you are limited to academic or conceptual understanding without practical application, this may not be the right fit.
Job Summary:
We are looking for a skilled and motivated Backend Engineer with 2 to 4 years of professional experience to join our dynamic engineering team. You will play a key role in designing, building, and maintaining the backend systems that power our products. You’ll work closely with cross-functional teams to deliver scalable, secure, and high-performance solutions that align with business and user needs.
This role is ideal for engineers ready to take ownership of systems, contribute to architectural decisions, and solve complex backend challenges.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Design, build, and maintain robust backend systems and APIs that are scalable and maintainable.
- Collaborate with product, frontend, and DevOps teams to deliver seamless, end-to-end solutions.
- Model and manage data using SQL (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis), incorporating caching where needed.
- Implement and manage authentication, authorization, and data security practices.
- Write clean, well-documented, and well-tested code following best practices.
- Work with cloud platforms (AWS, GCP, or Azure) to deploy, monitor, and scale services effectively.
- Use tools like Docker (and optionally Kubernetes) for containerization and orchestration of backend services.
- Maintain and improve CI/CD pipelines for faster and safer deployments.
- Monitor and debug production issues, using observability tools (e.g., Prometheus, Grafana, ELK) for root cause analysis.
- Participate in code reviews, contribute to improving development standards, and provide support to less experienced engineers.
- Work with event-driven or microservices-based architecture, and optionally use technologies like GraphQL, WebSockets, or message brokers such as Kafka or RabbitMQ when suitable for the solution.
Requirements:
- 2 to 4 years of professional experience as a Backend Engineer or similar role.
- Proficiency in at least one backend programming language (e.g., Python, Java, Go, Ruby, etc.).
- Strong understanding of RESTful API design, asynchronous programming, and scalable architecture patterns.
- Solid experience with both relational and NoSQL databases, including designing and optimizing data models.
- Familiarity with Docker, Git, and modern CI/CD workflows.
- Hands-on experience with cloud infrastructure and deployment processes (AWS, GCP, or Azure).
- Exposure to monitoring, logging, and performance profiling practices in production environments.
- A good understanding of security best practices in backend systems.
- Strong problem-solving, debugging, and communication skills.
- Comfortable working in a fast-paced, agile environment with evolving priorities.
Overview of the role
As a Node Developer you will be collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high-quality web applications and services by writing clean and modular code.
Must have skills
- Overall 3-5 Years of experience in writing unit and integration tests to ensure the robustness and reliability of web applications and services.
- Measure and improve the performance of microservices. Catalyse growth within the team through code reviews and pair programming to maintain high development standards
- Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
- Expert level of experience in the design and development of Web Applications, and highly scalable distributed systems.
- Should have experience in development skills using the latest technologies including NodeJS(fastify framework), Microservices, PostgreSQL, Redis, etc. Should have exposure to NoSQL and SQL development.
- Comprehensive knowledge of physical and logical data modeling, and performance tuning.
- Should possess excellent communication, presentation, and interpersonal skills.
- Ability to work collaboratively and productively with globally dispersed teams.
- Build high-performance teams and Coach teams for successful career growth.
- Experience working with relational and non-relational databases, query optimization, and designing schema
Desired Background
Bachelors/Masters Degree in Computer Science, Information Technology
XpressBees– a logistics company started in 2015 – is amongst the fastest growing companies of its
sector. While we started off rather humbly in the space of ecommerce B2C logistics, the last 5 years
have seen us steadily progress towards expanding our presence. Our vision to evolve into a strong full-
service logistics organization reflects itself in our new lines of business like 3PL, B2B Xpress and cross
border operations.
Our strong domain expertise and constant focus on meaningful innovation have helped us rapidly evolve
as the most trusted logistics partner of India. We have progressively carved our way towards best-in-
class technology platforms, an extensive network reach, and a seamless last mile management system.
While on this aggressive growth path, we seek to become the one-stop-shop for end-to-end logistics
solutions. Our big focus areas for the very near future include strengthening our presence as service
providers of choice and leveraging the power of technology to improve efficiencies for our clients.
Job Description
XB is looking for driven & talented engineers to build highly scalable, reliable and performant cloud-
based platforms to drive the logistics business. You will have opportunities to make a big impact at XB
on the software solutions being built for Logistics businesses. We build a variety of technology products
that span multiple businesses.
The challenges that SDEs at XB solve are big (handle 50 Lakh shipments per day!) and influence the E-
Commerce business in India in coming years. We are looking for individuals who are passionate about
creating new products, features, and services from scratch while managing ambiguity and the fast pace
of the company. The challenges span areas like highly scalable and reliable orchestration
platforms, Client Integration API frameworks, Billing Solutions, Workforce Engagement. Further you may
solve complex optimization problems like Vehicle routing, Allocation, Network Optimization etc.
Roles & Responsibilities
You will be responsible for working with cross functional teams to deep dive into the
business and technology problems related to our portfolio of products, understanding the
gaps that exist in our current tools, and work within our team and with partner teams to
design best in class solutions.
You will have the opportunity to influence, invent, and design system architecture
across multiple product and technology spaces.
You will lead and mentor other talented engineers. You will be responsible for building
the best customer experience, keeping latency, security, and usability in mind.
You will interact with Product Managers and Designers and convert their vision into
a technical solution.
You will own portions of software deliverables including major critical path code from
your designs while finding opportunities to grow and mentor the team around you.
You will collaborate with other engineering leads and guide the team on software
development best practices and set examples by using them in solutions that you build.
You will own the end-to-end design of major deliverables, working closely with a team
of SDEs and Front-End Engineers to execute them. This is a high visibility and fast-paced
environment where you will make a direct impact on the customer experience and the
bottom line of the company.
You should have a commanding understanding of object-oriented design, data
structures and algorithms which you use to mentor a team of engineers. You should have
experience with agile methodologies, experience building scalable services and robust user
interfaces. We make extensive use of AWS Services (API Gateway, Lambda, SQS, etc.) and
prior experience is a plus. Experience with modern JavaScript frameworks (like angular,
react, backbone, and node.js) would be a plus.
Qualifications
Experience developing cloud software services and an understanding of design for
scalability, performance, and reliability.
Development experience defining, developing and maintaining web service API's
Demonstrated ability to mentor other software developers to maintain architectural
vision and software quality.
Experience in communicating with users, other technical teams, and senior
management to collect requirements, describe software product features, technical designs,
and product strategy.
Experience taking a leading role in building complex software systems that have been
successfully delivered to customers.
Knowledge of professional software engineering practices & best practices for the full
software development life cycle, including coding standards, code reviews, source control
management, build processes, testing, and operations.
Experience with distributed computing and enterprise-wide systems
Deep understanding of CS fundamentals including data structures, algorithms and
complexity analysis.
Experience building large-scale, high-performance systems in a complex, multi-tiered,
distributed environment.
Design and architecture expertise as well as familiarity with object-oriented analysis and
design patterns (OOA/OOD).
Ability to thrive in a fast-paced, dynamic environment.
We're looking for someone to join a team dedicated to building performant APIs and backend services that deal with large volumes of data for the company's flagship, global consumer product. Small, high-impact teams require conscious planning and decision-making when it comes to design, architecture, and product features. So, it's essential that you enjoy working in such an environment.
We're a team that cares about simplicity and being able to build reliable, deterministic systems and platforms. Hence, our choice of tooling is usually battle-tested reliable software with a robust test suite.
How we work
- You won't deal with the hustle culture. We're focused on building well-thought-out, stable and reliable software and we try our best to ensure everyone understands the big picture and the immediate goals.
- We work a solid 6-8 hour days and don't slave away 24/7.
- We're a remote engineering team. This makes effective communication extremely important. Our teams have benefitted greatly from good written communication. This includes everything from the product specification to the API spec. We spend a lot of time writing READMEs. As a result our engineers work with greater clarity and planning.
- We deploy several times a day and rely on a good test suite to ensure we're not making life hard for our colleagues.
- We don't expect anyone to know everything, but we are curious and learn along the way.
- We learn about the fitness space and what it means to really be fit and not just Instagram fit.
The Python Backend Engineer position may be a good fit for you if:
- You have 3 (or more) years of experience building and maintaining cloud applications.
- You have built APIs with Python, Flask, Django or FastAPI before.
- You have experience working with relational databases like PostgresSQL or MySQL and have spent time writing SQL queries for large datasets.
- Experience in writing Unit tests with pytest.
- You have worked with Docker, docker-compose.
- Familiarity with the AWS ECS stack.
We want you to care about
- Good object oriented design
- Performant APIs
- Analysing why queries are slow and how to go about improving them.
- Understanding DNS, Load balancing, Caching and Hashing.
- Customer data and privacy.
Our API Stack services use:
- Python 3.8+, Typescript
- FastAPI, Flask, HapiJs
- PostgresSQL, MySQL
- Redis
- Celery
- Pytest, Jest for unit testing.
- Gitlab CI/CD
- Amazon ECS container services
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
Good knowledge and experience of working with backend systems;
designing server-side architecture, including production maintenance experience are must-haves.
At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).
Understanding of micro-services oriented architecture.
Experience with Databases design (SQL, NoSQL) and analytics
Experience in driving and delivering complex features/software modules from technical design to launch.
Expertise with unit testing & Test Driven Development (TDD)
We are looking for a high-performing Developer to build our ecommerce platform and API framework powered by Machine Learning and Artificial Intelligence. Candidates for this role will be passionate about well-written code, testing, and excel at coming up with simple approaches to complex problems.
Our work culture is overachiever, very amiable, and at the same time always charged with excitement. We encourage our team members to take responsibility and grow into future leaders in the industry.
Job Responsibilities:
- Understand project requirements, writing bug-free clean code and ensure that the solution works per the agreed architecture, SLAs, KPIs and business model
- Integrate Django backend with third party API
- 100% Hands-on role
- Adapt to rapidly evolving requirements and changing priorities and drive the team accordingly
- Reverse engineer for debugging errors in code and ensure quality control in the process.
- Continually drive products towards a meaningful balance between user needs, business objectives and technical feasibility
- Operate in a hyper-collaborative way and follow these guiding principles: Value common sense and simplicity over complexity.
Qualifications:
- Bachelor or Master Degree in Computer Science from a reputed University
- 3 to 5 years of experience working in Django and Python.
- React and/or Angular for front end
- Proficiency in MongoDB and MySql
- Technical Skills: JIRA, Gitlab, Rest API, GCP or AWS
- Experience in performance profiling, tuning, and optimization, caching mechanisms with Enterprise level applicants
- Experience in writing unit testing and test case automation.
- Ability to operate in an Agile environment with a start-up mentality and unstructured environment, Energy, drive and passion to work, and operate in a digital world.









