Inside Sales Executive

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

Job Description: 

Please find below details:

Experience - 5+ Years

Location- Bangalore/Python

Role Overview

We are seeking a skilled Python Data Engineer with expertise in designing and implementing data solutions using the AWS cloud platform. The ideal candidate will be responsible for building and maintaining scalable, efficient, and secure data pipelines while leveraging Python and AWS services to enable robust data analytics and decision-making processes.

Key Responsibilities

• Design, develop, and optimize data pipelines using Python and AWS services such as Glue, Lambda, S3, EMR, Redshift, Athena, and Kinesis.
• Implement ETL/ELT processes to extract, transform, and load data from various sources into centralized repositories (e.g., data lakes or data warehouses).
• Collaborate with cross-functional teams to understand business requirements and translate them into scalable data solutions.
• Monitor, troubleshoot, and enhance data workflows for performance and cost optimization.
• Ensure data quality and consistency by implementing validation and governance practices.
• Work on data security best practices in compliance with organizational policies and regulations.
• Automate repetitive data engineering tasks using Python scripts and frameworks.
• Leverage CI/CD pipelines for deployment of data workflows on AWS.

Required Skills and Qualifications

• Professional Experience: 5+ years of experience in data engineering or a related field.
• Programming: Strong proficiency in Python, with experience in libraries like pandas, pySpark, or boto3.
• AWS Expertise: Hands-on experience with core AWS services for data engineering, such as:
• AWS Glue for ETL/ELT.
• S3 for storage.
• Redshift or Athena for data warehousing and querying.
• Lambda for serverless compute.
• Kinesis or SNS/SQS for data streaming.
• IAM Roles for security.
• Databases: Proficiency in SQL and experience with relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., DynamoDB) databases.
• Data Processing: Knowledge of big data frameworks (e.g., Hadoop, Spark) is a plus.
• DevOps: Familiarity with CI/CD pipelines and tools like Jenkins, Git, and CodePipeline.
• Version Control: Proficient with Git-based workflows.
• Problem Solving: Excellent analytical and debugging skills.

Optional Skills

• Knowledge of data modeling and data warehouse design principles.
• Experience with data visualization tools (e.g., Tableau, Power BI).
• Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes).
• Exposure to other programming languages like Scala or Java.

Bachelor’s degree (minimum) in Computer Science or Engineering.

5-7 years of experience working as a senior–level Software Engineer

Excellent programming and debugging skills in C/C++and Python

Experience developing on Windows and Linux systems 

Experience in automation of manual tasks

Although not required, the following are a plus:  

Experience working with Build framework (Makefile, CMake, Scons), Batch/Shell scripting

Experience with Jenkins and other CI/CD tools

Knowledge of RESTful web services and docker

Responsibilities:-

• Manage senior business stakeholders.
• Act as the primary point of contact for all Salesforce, Marketing Automation, and CRM initiatives
• Lead workshops gather requirements, and design solutions
• Manage the implementation and delivery of new initiatives
• Hands-on configuration.
• Design, build and deliver salesforce technical design/architecture in line with client requirements;
• -Own architecture and design of complex solution components (Integration, Security, Custom development);
• -Demonstrate technical development skills (scope technical portion of a project and estimate resource requirements);
• -Work closely with stakeholders within client organization;
• -Work closely with and support the Sales community.
• Stay abreast of new Salesforce releases and functionality, making suggestions to improve existing processes and implement new solutions
• Manage and mentor junior team members

Required skills and experience:-

• Experience working across the full Salesforce project lifecycle from analysis, design, testing to implementation.
• You’ll have 5+ years experience of working on deployment teams throughout the project lifecycle, ideally using Agile development techniques.
• You’ll have a proven track record of successful delivery on customer projects, preferably enterprise CRM implementations
• Demonstrable experience supporting and maintaining Salesforce.com CRM applications i.e. SalesCloud, Service Cloud
• Experience with Marketing Automation / Marketing Tools i.e. Marketo or Eloqua
• Previous team leadership/management experience is desirable
• Product discovery and ideation experience
• Conducted focus group sessions/ cross-functional workshops, etc for requirement gathering
• -Knowledge of data and content migration, automated testing, release management, source control tools;
• -In-depth understanding of Salesforce programming including Visualforce, Apex, and API’s;
• -Experience with CRM, CMS, ERP, CPQ, Portals, SSO, E-commerce and ESB/SOA applications;
• Demonstrated ability to drive a product vision, manage a roadmap, and influence without direct authority
• You’ll be a self-starter, adept at picking up new skills and technologies, and eager to break new ground
• You’ll have excellent communication skills, equally comfortable with crafting emails as leading a white-board discussion with customers.
• You’ll have the vision to help us take our company to the next level
• Track record of successfully delivering projects on time, to scope, with high quality.
• Independently driven, resourceful, and able to deliver results with light-touch direction.
• Ability to communicate clearly and effectively with developers, business owners, and senior business leaders.
• Excellent user experience intuition.
• Strong analytical skills.

• 3-12 years Senior level candidate should run department Independently.
• Should have hands on coding experience in Core Java, JSP, Servlets, JQuery, JavaScript, J2ee, Spring, Hibernate, TypeScript,  Angular 2/6/9, HTML, CSS3
• Microservices, CICD, Devops experience would be preferred.
• Release management
• Prepare detailed plan for the release, identify and manage risks
• Estimate time, effort and resources required for assignments
• Organize, delegate, track and coordinate team activities
• Provide visibility to senior leadership through regular updates
• Effective Interaction with Product Management, Domain experts on engineering related issues
• Design and development of subsystems and modules as per specifications
• Ensure team availability and responsiveness to production issues

• Should be comfortable working in support with development projects
• Experience working on Spring (MVC, Boot, Batch, Security, Data)
• 4-5 years experience in Java-J2EE Development.
• Individual contributor.
• Extensive technical experience and development expertise in Core Java, J2EE.
• Experience working with and applying Design patterns to solve problems.
• Good in development code in Java/J2EE, new oracle query, procedures, functions, design the page, validate of java/Script
• Should be able to identify, track and mitigate risks to the product.

• Provide thought leadership on how best to meet business requirements using the CDM platform 
• Help determine the architectural direction of the CDM platform and related infrastructure 
• Collaborate with business analysts and product owners to interpret and synthesize requirements  
• Work with other team members to determine the best technical solution to meet requirements. 
• Keep current on industry best practices and help to incorporate relevant updates into solutions. 
• Analyze and Identify existing architecture and come up with suggestions and implement changes to bring solutions to a more stable state.
• Act as a single point of contact to the team (including dev/QA/support) in guiding to adopt best practices across technology development.

Basic Qualifications: 

• Bachelor’s degree in computer science, information technology, or related field 
• Strong problem-solving, analytical, and critical thinking skills 
• 10+ years working in an IT environment (Preferably on Digital or DWH/ETL applications)
• 5+ years Java/.net (or similar) application design and development experience 
• 4+ years Tibco EBX5 architect/design/development experience
• 5+ years database design/development experience in MS SQL Server or similar DBs with query tuning and optimization
• Proficiency in SQL, XML, JSON 
• Min 5 years working experience an agile development team 
• Min 3 to 5 years of exp with Azure Cloud including services like VMs, Security, Storage, App Services, Service Bus, Active Directory, Azure SQL

Preferred Qualifications: 

• Experience in ETL, DW/BI, modeling, and manipulating data using Microsoft Access, SQL, Tableau, or similar tools 
• Knowledge of MDM (Master data management) foundational concepts 
• Excellent verbal and written communication skills that allow effective communication with all levels of the organization 
• Experience working in a heterogeneous technology environment 
• Ability to participate in high-level architecture design as well as hands-on development 
• Experience developing applications in the Salesforce platform 
• Exposure to web applications and web portals is added advantage