Backend Lead Engineer

JOB DESCRIPTION

Experience: 4-7 years

Location: Bangalore

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 4-7 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Level of skills and experience:

5 years of hands-on experience in using Python, Spark,Sql.

Experienced in AWS Cloud usage and management.

Experience with Databricks (Lakehouse, ML, Unity Catalog, MLflow).

Experience using various ML models and frameworks such as XGBoost, Lightgbm, Torch.

Experience with orchestrators such as Airflow and Kubeflow.

Familiarity with containerization and orchestration technologies (e.g., Docker, Kubernetes).

Fundamental understanding of Parquet, Delta Lake and other data file formats.

Proficiency on an IaC tool such as Terraform, CDK or CloudFormation.

Strong written and verbal English communication skill and proficient in communication with non-technical stakeholderst

Mandatory Skill set : C++ and Python - UNIX- Database - SQL or Postgres

Developer Role EXP : 3 to 5yrs

Location : Bangalore /Chennai/Hyderabad

1. Strong proficiency in C++ , with fair knowledge of the language specification (Telecom experience is preferred). 

2. Proficient understanding of standard template library (STL): algorithms, containers, functions, and iterators 

3. Must have experience on Unix platforms, should possess shell scripting skills.

4. Knowledge on compilers(gcc, g) and debugger (dbx). Knowledge of libraries and linking. 

5. Good understanding of code versioning tools (e.g. Git, CVS etc.)

6. Able to write and understand python scripts (both python2 and python3)

7. Handson with logic implementation in python and should be familiar with list comprehension and is comfortable in integrating it with C++ and Unix scripts

8. Able to implement multithreading in both C++ and Python environment.

9. Familiar with Postgres SQL. 

C++ developer with Python as secondary - 3 to 4 yrs exp / should be CW.

Title: Sr.java Developer

Location  : Pune

Exp : 7+ Years

-              Strong Java background and backend Database experience

              Must have strong exp in SQL

             Experience should include working on an Enterprise level product.

-              Should have knowledge in Apache Calcite

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.

Minimum 3+ Years of hands-on experience in developing Python Applications. 
Excellent knowledge of Python and experience in or in-depth understanding of core Python 
Knowledge in Lists, Tuples, and Dictionaries
Excellent knowledge of Python Constructor- Parameterized and Non-Parameterized
Must have experience in core python concepts about data structure, OOPS concepts, XML parsing, XML to JSON, optimizations

Developers should have developed Web Based applications., back end, SQL
Agile and scrum methodology

Should not be test automation, Application development frame work

Excellent Communication Skill

Good to Have 

Django/ Flask 
Strong Hands-on experience in HTML, CSS, DTL(Django Template Language), SASS.
knowledge of SQL