Senior Java Developer

Remote

3 - 6 yrs

Full-time Contract Role

We are looking for a skilled Python Developer with strong experience in Django, Flask, REST APIs, and scalable backend development. The ideal candidate should have hands-on experience building enterprise applications, API-driven systems, AI integrations, automation tools, and cloud-based solutions.

The candidate should be passionate about clean architecture, problem-solving, and developing scalable web applications with modern technologies.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Python and Django/Flask.
• Build and optimize RESTful APIs for web and mobile applications.
• Work on database design, query optimization, and performance tuning.
• Integrate third-party APIs such as payment gateways, APIs.
• Develop AI/ML-based solutions including RAG applications and automation systems.
• Collaborate with frontend developers using React/Angular integration.
• Implement authentication, RBAC, and security best practices.
• Debug, troubleshoot, and optimize existing applications.
• Participate in code reviews and technical architecture discussions.
• Prepare technical documentation and deployment workflows.
• Work with asynchronous processing, queues, sockets, and real-time systems.

Required Skills

• Strong experience in Python development using Django, Flask, FastAPI, REST API development, SQLAlchemy, and scalable backend architecture.
• Experience with frontend technologies, UI integration, and responsive web development.
• Strong knowledge of MySQL, PostgreSQL, SQLite, database design, query optimization, and performance tuning.
• Experience working with LangChain, RAG applications, LLM integrations, Scikit-learn, and machine learning algorithms.
• Experience in backend integrations, automation, real-time systems, and web scraping.
• Knowledge of Azure cloud services, SSO implementation, cloud deployment, and scalable application architecture.

Preferred Qualifications

• Experience working on SaaS products and enterprise platforms.
• Experience with cloud deployment and scalable architecture.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience handling production-level applications.
• Strong analytical and debugging skills.

Soft Skills

• Strong communication skills.
• Team collaboration and leadership abilities.
• Problem-solving mindset.
• Client handling experience.
• Ability to work independently.

Education

Bachelor’s Degree in Computer Applications, Computer Science, IT, or related field.

Ideal Candidate Profile

• We are looking for a strong Python developer with full stack development experience and strong Django backend expertise in scalable API-driven architecture.
•  The ideal candidate should be passionate about building scalable and high-performance applications, possess strong analytical and debugging skills, and be capable of working in a fast-paced and dynamic environment.

•  Experience with Web fundamentals like HTML5, JavaScript, CSS3, and JSP, java, angular etc
•  Good understanding of Object-Oriented JavaScript (OOJS), ES6,
•   Hands-on exp in Web app development using modern client-side MVC frameworks using ReactJS
•   Experience in Full stack development or Back end development
• Thorough understanding of ReactJs and its core principles
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience developing custom reusable components in ReactJS
• Proficient understanding of unit testing using JavaScript test frameworks like JEST       Experience integrating REST APIs
• Ability to understand business requirements and translate them into technical requirements     

Responsibilities:

• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.

Requirements:

• BE/B. Tech. Computer Science or MCA from a reputed University.
• 3.5 - 6.5 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO, webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks ESB etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue

• l IT experience delivering enterprise-scale applications or product implementations
•  experience working as a technical lead.

• Working Experience in ISO20022, SWIFT, Remittance
• Language & Frameworks: Java, Spring Boot, Spring, Any ORM