Senior Software Engineer

Experience: 3 to 5

Location: Bangalore

Wissen Technology is now hiring for a Senior 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 to 5 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.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Core Responsibilities:

• Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
• System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
• Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
• Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
• Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
• Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
• Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
• Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.

Experience and Expertise:

• 4–7 years of backend development experience with Python or Golang.
• Strong expertise in designing, developing, and scaling microservices and distributed systems.
• Solid understanding of concurrency, multi-threading, and performance optimization.
• Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
• Hands-on experience with Linux development, Docker, and Kubernetes.
• Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
• Strong debugging, profiling, and optimization skills for production-grade systems.
• Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.

Skills:

• Strong problem-solving ability, with experience handling complex technical challenges.
• Ability to lead technical initiatives and mentor junior engineers.
• Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
• Self-motivated, proactive, and able to operate independently while aligning with team goals.
• Passionate about engineering culture, quality, and developer productivity.

OnScreen is looking for a full-time hands-on Software Developer responsible for bringing status disrupting products in the market.

As a Software Developer, you will be responsible for the design and coding of scalable and high performant web applications working on technologies including Microsoft .Net 4.0, Win 32, C#/C++,  and Azure. You will be a part of an Agile development team and would have full access to the complete development life cycle including opportunity to shape requirements and application design. We are looking for relevant experience of around 5-7 years.

Requirements

• Strong experience in Microsoft .Net desktoptechnologies including C#
• Strong application design experiencealong with writing Unit Tests.
• Strong data structure concepts
• Demonstrated experience in working on Enterprise-level
• Good communication skills,collaborative attitude, and mentoring mind-set.
• Desirable - Azure SQL, REST API, Azure deployment, Entity framework.

OnScreen was started to chart a better path for Enterprises facing countless barriers to adoption and efficiency. Our Founders, Directors, and Investors have extensive experience dealing with these problems and are passionate about building and providing a solution that alleviates these chronic pain points. To know more about OnScreen, please visit https://www.onscreen.us/

• Design, develop, test, debug and maintain components of a feature-rich management and orchestration product
• Manage one or more project priorities and deadlines
• The programming languages are mainly Python and Java
• Understand the infrastructure details of public clouds and use DevOps best practices to implement provisioning

You'll Need:

• Strong software design and implementation skills in building infrastructure frameworks.
• Experience building and operating extensible, scalable resilient systems.
• Working knowledge of Java and Python.
• Solid understanding of basic systems operations (disk, network, etc).
• Willingness and ability to learn new languages and concepts.
• 8+ years of experience and a BS/MS degree in Computer Science -or- a related field.

Nice to have:

• Cloud infrastructure systems engineering experience.
• Experience in building control planes.
• Experience building RESTful APIs.
• Experience with containers and cluster managers like Kubernetes.
• Experience in App deployment and config management frameworks such as Ansible, Terraform, Chef, Puppet, etc.

Your Day-to-Day Tasks Include: 

Works in requirements like Engineering, Design, Development, and Deployment. All the tasks involves working with Java, SQL Server and Couchbase. 

Build and monitor data pipelines that serve 100+ websites, 150M+ unique impressions daily. Write code that can handle 4x more scale than the given requirement. 

Maintain uptime of multiple distributed web applications. 

Build data pipelines to pull data from upstream partners like Google. 

You Should Have: 

Minimum 3 years of experience with Java. 

Minimum 2 year of experience with any SQL database (MySql, MSSql, Oracle, DB2, Sybase). Minimum 3 years of experience with web development. 

Experience with any NoSql database (MongoDb, Couchbase, CouchDb, DynamoDb). Experience of designing/implementing/maintaining scalable systems. 

Experience with any cloud platform (AWS/Azure/GCP). 

Good To Have: 

Experience with BI and data reporting. 

Experience with Elastic search. 

Understanding of data warehousing. 

Experience in Node.js.