Java Developer

Job Title : Python Django Developer

Experience : 3+ Years

Location : Gurgaon Sector - 48

Working Days : 6 Days WFO (Monday to Saturday)

Job Summary :

We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.

The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.

Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.

Key Responsibilities :

• Write efficient, reusable, testable, and scalable code using the Django framework
• Develop backend components, server-side logic, and statistical models
• Design and implement high-availability, low-latency applications with robust data protection and security
• Contribute to the development of highly responsive web applications
• Collaborate with cross-functional teams on system design and integration

Mandatory Skills :

• Strong programming skills in Python and Django (or similar frameworks like Flask).
• Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
• Strong understanding of SQL and NoSQL ORM.
• Solid grasp of data structures, multithreading, and operating system concepts.
• Experience with RESTful API development and implementation of API security.
• Knowledge of JSON/XML and their use in data exchange.

Good-to-Have Skills :

• Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
• Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
• Familiarity with MongoDB and other NoSQL databases.
• Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
• Knowledge in building and integrating statistical learning models.

Job Description:

We are looking for a Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.

Key Responsibilities:

• Develop and maintain backend services using Java and Spring Boot
• Design and implement Kafka-based messaging and streaming solutions
• Optimize Kafka performance (topics, partitions, consumers)
• Collaborate with cross-functional teams to deliver scalable microservices
• Ensure code quality and maintain best practices in a distributed environment

Required Skills:

• 6+ years in Java development
• 3+ years of hands-on Kafka experience (producers, consumers, streams)
• Strong knowledge of Spring Boot, REST APIs, and microservices
• Familiarity with Kafka Connect, Schema Registry, and stream processing
• Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)

JOB DESCRIPTION

• Has in-depth understanding of the full software development life cycle. Deep familiarity with data & business analysis, along with modern software design &development concepts encompassing a range of languages & platforms.
• Can work within an Agile team to ensure that all key technical requirements are identified, estimated, designed, implemented, and tested. 
• Can work on a collaborative cross-technology team where Java, APIs (services), PL/SQL interact with a range of business logic interfaces & systems. 
• Can own small to medium scale strategic initiatives/projects, enhances process standards and best practices, and supports issues during UAT/system rollout phases. 
• Understands business needs and priorities and provides thought leadership on potential solutions and the opportunities for technology to create positive impact on the business. 
• Has excellent analytical and problem-solving skills that are coupled with strong communication, anticipates issues, and deals with them proactively.
• Is team oriented, highly collaborative, works effectively to build strong long-term partnerships with stakeholders at all levels of the organization and across a variety of business and IT functions. 
• Self-sufficient and shows ability to lead, given the opportunity 
• Demonstrates a passion for technology innovation balanced with a pragmatic approach to developing and deploying solutions that best benefit the business.
• Nimble, adaptable, able to express ideas in meetings & design discussions, comfortable with ambiguity; course correct when circumstances change.

QUALIFICATIONS

• Bachelor of Engineering / 2-3 years of experience
• Willing to work on Testing

PRIMARY SKILLS

• Hands on experience with on Java 11 with Spring Cloud Microservices ecosystem(multi-threading, data structures, design patterns and OOP practices etc).
• Ability to Query Relational Databases like DB2, Sybase and Cloud data sources like snowflake.
• Spring, SOAP & REST Web Services with on XML/JSON based data.
• Experience with DevOps tools and Git.
• Test Driven development (TDD) and experience working in a disciplined development environment.
• Exposure to Azure Cloud experience is a plus.

GOOD TO HAVE SKILLS

• Business analysis – focused on investment management process and tools.
• Some experience into Automation Testing.

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Dear,

We are excited to inform you about an exclusive opportunity at Xebia for a Senior Backend Engineer role.

📌 Job Details:

• Role: Senior Backend Engineer
•  Shift: 1 PM – 10 PM
• Work Mode: Hybrid (3 days a week) across Xebia locations
• Notice Period: Immediate joiners or up to 30 days

🔹 Job Responsibilities:

✅ Design and develop scalable, reliable, and maintainable backend solutions

✅ Work on event-driven microservices architecture

✅ Implement REST APIs and optimize backend performance

✅ Collaborate with cross-functional teams to drive innovation

✅ Mentor junior and mid-level engineers

🔹 Required Skills:

✔ Backend Development: Scala (preferred), Java, Kotlin

✔ Cloud: AWS or GCP

✔ Databases: MySQL, NoSQL (Cassandra)

✔ DevOps & CI/CD: Jenkins, Terraform, Infrastructure as Code

✔ Messaging & Caching: Kafka, RabbitMQ, Elasticsearch

✔ Agile Methodologies: Scrum, Kanban

⚠ Please apply only if you have not applied recently or are not currently in the interview process for any open roles at Xebia.

Looking forward to your response! Also, feel free to refer anyone in your network who might be a good fit.

Best regards,

Vijay S

Assistant Manager - TAG

https://www.linkedin.com/in/vijay-selvarajan/

At Upswing, we are a passionate and self-driven team of thinkers who aspire to build the rails to connect the legacy financial sector with financial innovators through a simple and powerful banking-as-a-service (BaaS) platform.

We’re building our platform putting the focus on pragmatism, reliability, and maintainability. We believe that keeping the engineering complexity under control is key to preserving the development productivity and long-term evolution of a platform.

To bring this vision to life, we are building the infrastructure using Microservices architecture using the latest set of technologies that are also fun to work with such as Java, Scala, Postgres, Akka, Kafka with a completely automated DevOps pipeline from the get-go using tools like Chef, Jenkins, Grafana, Graylog.

We are looking for motivated engineers who will be working in a highly creative and cutting edge technology environment to build a world-class financial services suite.

Why you should join us:

• You will redefine the financial services landscape for India in the coming years.
• Be part of a core Engineering team that will create innovative and scalable Fintech solutions.
• Work with passionate and experienced engineering, product & business workforce that believes in teamwork, and that helps fast-track your learning on solving complex technical challenges.
• We are funded by the leading fintech VC `QED Investors` and other established Founders and Executives of awesome Indian companies.

What you will do if you join us:

• Propose solutions to solve complex system architecture challenges and actively lead the end-to-end development of the system.
• Create robust, flexible, consistent, and easy-to-use APIs
• Continuously strive for performance improvements, code reusability, and readability

You should have:

• Tech or a higher degree in computer science or a related field.
• 1+ years of experience working on the back-end development for complex distributed systems who are willing to adopt any Programming language as per the requirement.
• Familiarity with any of the following – Java, C++, Scala, Kotlin, and frameworks like Spring, Play, Hibernate, Django, etc.
• Good understanding of Algorithms, Data Structure, OOP, Design patterns, Parallel programming, Multithreading concepts & Event-Driven Systems.
• Experience with Relational databases such as MySQL, PostgreSQL, Oracle, or any NoSQL database.

It’s a plus if you have:

• Familiarity with cloud platforms like AWS, Azure, or Google Cloud
• Worked on Micro-services architecture

We are seeking extremely smart & independent senior developers who are gung ho about building large scale systems that are going to have a big impact on millions of customers. You will:

Responsibilities:

• Lead design and development of products working closely with business team.
• Independently own software components and co-own entire applications with a small group of fellow developers.
• Formally mentor junior software engineers on the team, reviewing design documents, (peer) reviewing code, providing design direction and guidance.
• Build performant, scalable, yet secure, enterprise ready back end architectures that can support millions of users in parallel.
• Establish strong engineering best practices and champion their adoption.

Requirements:

• 4+ years' experience in software product development and delivery.
• Bachelors or Masters degree in engineering (preferably computer science or sister branches) from a reputed institute (preferably IITs, NITs, or other top engineering institutes).
• Strong grasp of CS fundamentals, algorithms and excellent problem-solving abilities.
• All experience should be from good product development or e-commerce background.
• Able to take ownership of working with at least one of mobile or web app teams for complete integration with backend.
• Must have shown good stability in all your previous associations.
• Have strong backend knowledge and cloud development exposure.
• Proficiency in Java, Spring boot, Hibernate, REST API development.
• Worked with at least 1 RDBMS (Mysql preferred).
• NoSql is a plus.
• Have used or are very hands-on with Microservices, Docker, Kubernetes, Gradle/Ant, Kafka, GIT/bitbucket in a very agile work place.
• Writing high quality code which is made better by unit tests and integration tests is how you work.
• Comfortable with exploring proven open source tech stack like Grafana, Kibana, Jira, Prometheus, caches like Redis/Memcached, task queues like celery, to name a few.
• Knowledge of test driven development and AWS tech stack will be a good plus.

• Min 5 years of hands-on experience in Java Spring-boot technologies
• Experience with monolithic applications
• Experience using Redis and RabbitMQ
• Experience with RDBMS such as SQLServer and My SQL
• Strong analytical, problem solving and data analysis
• Excellent communication, presentation and interpersonal skills are a must
• Micro service frameworks such as Java SpringBoot
• Design and implement automated unit and integration tests 

Responsibilities

• Help define Technical Roadmap and own the entire product delivery end to end
• Work very closely with various business stakeholders to drive the execution of multiple business plans and technologies
• Improve, optimize and identify opportunities for efficient software development processes
• Hire, Develop and Retain a strong team of engineers
• Keep abreast of the changes in the industry and champion new technologies and development processes within the team
• Thinking backwards from a customer POV and relentlessly pursuing customer's cause in tech and product decisions

Apply If You have:

• Graduation/Post Graduation degree in Computer Science (IITs, IIITs and NITs preferred)
• 6-10 years of strong experience in JAVA(Spring/Hibernate/JPA/REST), JavaScript, NodeJS with good exposure to MySQL
• Experience with AWS, Microservices, Caching, Performance Optimization, Nginx, Solr, Redis, Redshift
• Experience working with agile teams and making rapid decisions in dynamic and disruptive environment
• 2+ years of leading and managing a team consisting of backend, frontend and QA.
• Hands on writing and reviewing code
• Exceptional design and architectural skills
• Strong communication skills
• High motivation to work in a fast paced, dynamic, collaborative team environment