Backend Developer

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. - 3-8 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.

Integration Lead

Job Description

This role must be capable of building Dot net application and integration capabilities to enable microservice architecture. In addition to being hands on developer, the role requires the individual to leading and work with Dot net developers and integration developers, overseeing the end to end technical working to deliver features. Candidates who like to experiment and learn/discover new technologies, methods, tools with a direction to bring new capabilities to the product will be suitable

Key Responsibilities

• Perform Product Discovery proof of concepts as directed by Product manager
• Design, develop, and maintain both new and existing code, ranging from client-side development using JavaScript, HTML, and CSS, to server-side code using C# and ASP.NET MVC, Web API, Windows services, and ADO.NET for data persistence and retrieval.
• Write readable, extensible, testable code, while being mindful of performance requirements. • Create, maintain, and run unit tests for both new and existing code, with a goal of delivering defect-free and well-tested code to QA.
• Capable of developing restful services using Dot net framework and other integration tools
• Work with management to create and adhere to schedules, while maintaining flexibility to adapt to shifting market demands.
• Translate mockups and wireframes into functioning front-end code.
• Write and maintain documentation for new and existing features.
• Keep up-to-date on best practices and new technologies.
• Rapid prototyping, and presenting conceptual design and working prototypes to management.
• Conduct design and code reviews and collaborate to ensure your own code passes review.
• Work with Product Management to analyze require

Required Skills & Experience

• Experience in Dot Net framework preferably in cloud based platforms/infrastructure
• Experience in integration enablement preferably in REST APIs
• Experience in Database languages and stored procedures, database query optimization
• Experimental knowledge in a broad technical aspects like SSO (SAML2/Oauth2), Security, RPA, Microservices architecture

Qualifications

BE with 6+ years of experience in product development

Position: Lead Backend Engineer

Location: Remote

Experience: 10+ Years

Budget: 1.7 LPM

Employment Type: [Contract]

Required Skills & Qualifications:

• 10+ years of proven backend engineering experience.
• Strong proficiency in Python.
• Expertise in SQL (Postgres) and database optimization.
• Hands-on experience with OpenAI APIs.
• Strong command of FastAPI and microservices architecture.
• Solid knowledge of debugging, troubleshooting, and performance tuning.

Nice to Have:

• Experience with Agentic Systems or ability to quickly adopt them.
• Exposure to modern CI/CD pipelines, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP).

We are looking for a skilled and motivated Data Engineer with strong experience in Python programming and Google Cloud Platform (GCP) to join our data engineering team. The ideal candidate will be responsible for designing, developing, and maintaining robust and scalable ETL (Extract, Transform, Load) data pipelines. The role involves working with various GCP services, implementing data ingestion and transformation logic, and ensuring data quality and consistency across systems.

Key Responsibilities:

• Design, develop, test, and maintain scalable ETL data pipelines using Python.
• Work extensively on Google Cloud Platform (GCP) services such as:
• Dataflow for real-time and batch data processing
• Cloud Functions for lightweight serverless compute
• BigQuery for data warehousing and analytics
• Cloud Composer for orchestration of data workflows (based on Apache Airflow)
• Google Cloud Storage (GCS) for managing data at scale
• IAM for access control and security
• Cloud Run for containerized applications
• Perform data ingestion from various sources and apply transformation and cleansing logic to ensure high-quality data delivery.
• Implement and enforce data quality checks, validation rules, and monitoring.
• Collaborate with data scientists, analysts, and other engineering teams to understand data needs and deliver efficient data solutions.
• Manage version control using GitHub and participate in CI/CD pipeline deployments for data projects.
• Write complex SQL queries for data extraction and validation from relational databases such as SQL Server, Oracle, or PostgreSQL.
• Document pipeline designs, data flow diagrams, and operational support procedures.
• 
  

Required Skills:

• 4–8 years of hands-on experience in Python for backend or data engineering projects.
• Strong understanding and working experience with GCP cloud services (especially Dataflow, BigQuery, Cloud Functions, Cloud Composer, etc.).
• Solid understanding of data pipeline architecture, data integration, and transformation techniques.
• Experience in working with version control systems like GitHub and knowledge of CI/CD practices.
• Strong experience in SQL with at least one enterprise database (SQL Server, Oracle, PostgreSQL, etc.).

Experience in developing applications using .Net Core Ver. 6/7, ASP.Net MVC (C#), .Net Core Web API & Web App, Web Services, OOPS, SOLID principles.

Experience in software development and system architecture with Microsoft technologies.

Able to integrate the database objects with the Microservices.

Expert working knowledge of Multi-threading.

Solid experience in converting .NET Framework multi-threaded services into .NET Core.

Worked as part of a cross-functional team on code reviews, internal infrastructure, and process enhancement.

Understanding of CI/CD pipeline is mandatory.

Strong hands-on experience with C# and solid principles.

Expertise in entity framework core with code first approach.

Expertise in writing RESTful services.

Knowledge of RDBMS concepts.

Roles and Responsibilities

• Ability to create solution prototype and conduct proof of concept of new tools.

• Work in research and understanding of new tools and areas.

• Clearly articulate pros and cons of various technologies/platforms and perform

detailed analysis of business problems and technical environments to derive a

solution.

• Optimisation of the application for maximum speed and scalability.

• Work on feature development and bug fixing.

Technical skills

• Must have knowledge of the networking in Linux, and basics of computer networks in

general.

• Must have intermediate/advanced knowledge of one programming language,

preferably Python.

• Must have experience of writing shell scripts and configuration files.

• Should be proficient in bash.

• Should have excellent Linux administration capabilities.

• Working experience of SCM. Git is preferred.

• Knowledge of build and CI-CD tools, like Jenkins, Bamboo etc is a plus.

• Understanding of Architecture of OpenStack/Kubernetes is a plus.

• Code contributed to OpenStack/Kubernetes community will be a plus.

• Data Center network troubleshooting will be a plus.

• Understanding of NFV and SDN domain will be a plus.

Soft skills

• Excellent verbal and written communications skills.

• Highly driven, positive attitude, team player, self-learning, self motivating and flexibility

• Strong customer focus - Decent Networking and relationship management

• Flair for creativity and innovation

• Strategic thinking This is an individual contributor role and will need client interaction on technical side.

Must have Skill - Linux, Networking, Python, Cloud

Additional Skills-OpenStack, Kubernetes, Shell, Java, Development

Job brief DotNet (2 to 3 years)
We are looking for a .Net developer to build software using languages and technologies of the .NET framework. You will create applications from scratch, configure existing systems and provide user support.

In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and excellent communicator.

Your goal will be to work with internal teams to design, develop and maintain software.

Responsibilities
-Participate in requirements analysis
-Collaborate with internal teams to produce software design and architecture
-Write clean, scalable code using .NET programming languages
-Test and deploy applications and systems
-Revise, update and debug code
-Improve existing software
-Develop documentation throughout the software development life cycle (SDLC)
-Serve as an expert on applications and provide technical support
Requirements
-Proven experience as a .NET Developer or Application Developer
-Familiarity with the http://asp.net/">ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
-Familiarity with architecture styles/APIs (e.g RESTful)
-Understanding of Agile methodologies
-Excellent troubleshooting and communication skills
-Any Graduate (Computer Science, Engineering or a related field)