You will get while working with us
- Opportunity to work on highly distributed systems with micro-services architecture and big-data volumes
- Solve challenging real-world problems by leveraging OOP & functional programming concepts
- Opportunity to incubate an open source project
- Get to work with cutting edge technologies to name a few Kafka, Elasticsearch, Postgres, Scala
- Developing scalable, sustainable and reliable enterprise systems
- Hands-on experience of working with TDD and BDD
- Develop environment using practices such as Continuous Integration, Continuous Delivery
- Learning opportunity on how to turn complex business requirements into a working product
Roles & Responsibilities
- Requirement understanding & analysis by interacting with client
- Carry out architectural and design discussions with fellow team members and come up with right approach
- Understand system domain, user’s perspective of system and use-cases
- Understand patterns in existing code and effectively leverage and improvise it
- Develop backend involving Java8 based functional programming and REST services
- Ensure best practices of code reviews, automated testing and CI
- Research new tools & technologies required for the projects
- Mentor fellow team members and bring their level up
Must have
- Strong hold on written/verbal communication
- Strong core Java fundamentals
- Strong Analytical & problem solving skills
- Proactive and inherent nature of working with ownership
- Passion of writing clean code
- Experience in designing relational data model from business requirements
Good to have
- Knowledge of functional programming (Scala or Java 8 lambda)
- Knowledge of NOSQL
- Working knowledge of linux & networking
- Performance optimisation - Optimise/refactor queries, code, stored procedures to take performance next level

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Role Overview
We are looking for an experienced Node.js Developer with deep expertise in backend engineering and related frameworks. The ideal candidate will be a strong problem solver, effective communicator, and proven mentor capable of leading development initiatives while ensuring code quality, scalability, and performance optimization.
Key Responsibilities
- Lead and contribute to multiple backend development projects ensuring high-quality delivery.
- Collaborate with business analysts, architects, and cross-functional teams to define technical specifications and gather requirements.
- Design and implement scalable, secure, and high-performance applications using Node.js and related frameworks.
- Develop detailed HLD (High-Level Design) and LLD (Low-Level Design) solutions.
- Mentor and guide junior developers, fostering knowledge sharing and growth.
- Participate in peer code reviews, ensuring adherence to best practices and coding standards.
- Optimize performance, concurrency, and scalability of applications.
- Implement CI/CD pipelines and ensure smooth deployment processes.
- Support and troubleshoot production issues, providing L3 support as required.
- Continuously research, evaluate, and integrate new technologies to improve applications and processes.
- Establish and enforce engineering best practices within the team.
- Actively participate in recruitment and talent-building initiatives.
Required Skills & Qualifications
- 5–10 years of strong professional experience in Node.js and frameworks like Express.js.
- Proficiency in MERN stack (preferred but must be heavy on Node.js).
- Strong understanding of multi-threading, concurrency, and performance optimization.
- Solid debugging, troubleshooting, and performance profiling expertise.
- Hands-on experience with source control systems (Git) and CI/CD environments.
- Familiarity with Agile methodologies (Scrum/Kanban).
- Strong knowledge of object-oriented and service-oriented application development.
- Excellent communication, leadership, and collaboration skills.
- Proven ability to work independently and in team settings with high ownership.
Key Responsibilities
- Design, develop, and implement backend services using Java (latest version), Spring Boot, and Microservices architecture.
- Participate in the end-to-end development lifecycle, from requirement analysis to deployment and support.
- Collaborate with cross-functional teams (UI/UX, DevOps, Product) to deliver high-quality, scalable software solutions.
- Integrate APIs and manage data flow between services and front-end systems.
- Work on cloud-based deployment using AWS or GCP environments.
- Ensure performance, security, and scalability of services in production.
- Contribute to technical documentation, code reviews, and best practice implementations.
Required Skills:
- Strong hands-on experience with Core Java (latest versions), Spring Boot, and Microservices.
- Solid understanding of RESTful APIs, JSON, and distributed systems.
- Basic knowledge of Kubernetes (K8s) for containerization and orchestration.
- Working experience or strong conceptual understanding of cloud platforms (AWS / GCP).
- Exposure to CI/CD pipelines, version control (Git), and deployment automation.
- Familiarity with security best practices, logging, and monitoring tools.
Preferred Skills:
- Experience with end-to-end deployment on AWS or GCP.
- Familiarity with payment gateway integrations or fintech applications.
- Understanding of DevOps concepts and infrastructure-as-code tools (Added advantage).
Software Engineer – Tech Lead
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 6+ yrs of exposure in the art of writing code and solving problems on large scale.
- Should be language agnostic, with extensive and expert programming experience in any one programming language (strong OO skills preferred).
- Deep experience in at least one general programming language. Preferred (Java,Scala, C++)
- A solid foundation in computer science, with strong competencies in data structures,
algorithms, and software design.
- Worked end to end on 2-3 complex projects
- Worked in startup like environment with high levels of ownership and commitment
- Experience in building highly scalable business applications, which involve implementing
large complex business flows and dealing with huge amount of data.
- Extensive experience on working with distributed technologies like Kafka, MongoDb,
Redis/Aerospike, MySQL, AWS etc
- Experience with multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and responsibilities
Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit
Required Education:
B.Tech./ BE - Computer, IT, Electronics only
Required Skills:
- 3+ year of experience in Development in JAVA technology and springboot
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
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.
Job Description
- Managing the interchange of data between the server and the users.
- Development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end Integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performant applications.
- Integration of user-facing elements developed by front-end developers with server-side logic
- Implementation of security and data protection.
Expected experience with
- Should have worked on the Django REST framework.
- Familiarity with some Pandas, Numpy, text parsing/mining and ORM (Object Relational Mapper) libraries
- Able to integrate multiple data sources and databases into one system
- Understanding of the threading limitations of Python, and multi-process architecture
- Good understanding of server-side templating languages
- Worked on Amazon cloud solutions
- Understanding of accessibility and security compliance
- Knowledge of user authentication and authorization between multiple systems, servers, and environments
- Understanding of fundamental design principles behind a scalable application
- Familiarity with event-driven programming in Python
- Able to create database schemas that represent and support business processes
- Strong unit test and debugging skills
- Proficient understanding of code versioning tool
- Excellent written and verbal communication skills.
- Should know about HDL and LLD.
- Should know about making python packages
- Should have worked on microservice-based Architecture
We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business.
Key Responsibilities : -
Build high availability and extreme reliable high volume transactional systems.
Deliver reliable solutions that handle massive data and high traffic. - Complete ownership of problem-free execution of owned modules and solutions.
Focus on code optimization, code quality, maintainability etc.
Skills required : -
MS or BS/B.Tech in computer science or equivalent experience from top college.
Hands-on experience in Core J2EE or Core Java (collection, multithreading).
Proficiency in Struts, Spring, Hibernate, JDBC, JSP, Servlets.
Strong working knowledge of Databases - MySQL/NoSQL, OS Windows/Linux.
Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development. Excellent data structure & algorithm and problem solving skills. Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs). Customer-focused, react well to changes, work with teams and able to multi-task. - Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace. - Must be a self-starter who can work well with minimal guidance and in fluid environment
We are looking for an experienced Back-end developer to join our IT team! As a Back-end Developer, you will be responsible for the server-side web application logic as well as for the integration of the front-end part.
- Be involved and participate in the overall application lifecycle
- Main focus on coding and debugging
- Collaborate with Front-end developers
- Define and communicate technical and design requirements
- Provide training, help and support to other team members
- Build high-quality reusable code that can be used in thew future
- Develop functional and sustainable web applications with clean codes
- Troubleshoot and debug applications
- Learn about new technologies
- Stay up to date with current best practices
- Conduct UI tests and optimize performance
- Manage cutting-edge technologies to improve applications
- Collaborate with multidisciplinary team of designers, developers and system administrators
- Follow new and emerging technologies
Designing and developing high-volume, low-latency applications for
critical systems and delivering high-availability and performance
• Contributing in all phases of the development lifecycle
• Writing well designed, testable, efficient code
• Test cases should be upto the mark
• Performance tuning knowledge is a must. Experience is an added advantage.
• In Backend – fundamentals of all languages is a must• Good hands-on software development experience with proven working experience
in Python development
• Expert in Python, with knowledge of at least one Python web framework (such
as Django, Flask)
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process
architecture
• Strong unit test and debugging skills
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and
CSS3
• Understanding of memory model/GC from performance point of view.










