
Requirements:
- Proficient in fundamental Software Design Principles, Data Structures, Algorithms, Problem Solving and Complexity Analysis.
- Proficient in programming languages like Python/Java/Javascript/Golang or similar.
- Strong understanding of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
- Hands-on Experience with SQL/NoSQL databases such as Postgres, Mysql, MongoDB.
- Hands-on experience with GIT, CI/CD, REST APIs and Cloud ( AWS/ GCP/ Azure) will be preferred.
- Understanding of Microservice Architecture and System Design Principles is a plus.
- Self-driven, detail-oriented and Strong sense of ownership, urgency, and ability to deliver great work.
- Demonstrated expertise in developing, releasing and maintaining large scale software applications.

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JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
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. - 5-8 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.
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 2000+ 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
Job Title: Java Developer
Java Developer – Job Description 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. - 5 to 14 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 clientfacing 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.
Must have exp in Django. [ Mandatory]
- The ability to problem-solve and critically think.
- High level of knowledge of Python and the Django framework.
- Familiarity with event driven programming as well as the MVC.
- Good understanding of SQL databases.
- Good understanding of REST APIs.
Job Overview:
We are looking for a seasoned Senior Backend Engineer (SDE III) with over 5 years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.As a Backend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities:
- Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
- Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
- Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
- Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of experience in software engineering
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software architecture, design patterns, and scalable system design.
- Expertise in multiple programming languages and modern development frameworks For this role we require expertise in Python/Django and API Development
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Good experience with MySQL and ElasticSearch. Slight experience with other NoSQL and SQL databases.
- Experience in DevOps, CI/CD pipelines, and infrastructure automation.
- Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
Summary/Objective:
We are looking for high performing developers who will get to develop an awesome product which the end user must love and trust. You will be responsible for building, scaling and maintaining the multiple modules, encompassing - external integration, API management, building business and operation processes, designing and defining micro services, designing multi-input/output state machines. You will work closely with business, product and UI teams and build products that would maximise business impact and customer delight. We are looking for people who love to challenge and contribute to new way of thinking. We value entrepreneurship skills, rolling up sleeves, resolving issues and raising up the bar. We love people who are excellent with delivery and execution and have a design thinking approach. You should be comfortable learning in a fast-paced environment and applying it at work. A quick overview of our stack:Python, MySQL, NoSQL, Memcache, Bigquery Microservices Responsibilities
• Write clear and effective API documentation.
• Write codes to integrate applications being used by various stakeholders
• Write and review test cases to QA pass your own code.
• Write/review test cases for code and process coverage
• Review code for both oneself and team members
• Reviewing designs, code, and processes from a system security standpoint
• Defining and building micro-services
• Building systems with positive business impact
• Tracking module health, usage, behaviour tracking, measure and improve code and processes Requirements
• An engineer with at least 1-7 years of working experience in web services, preferably in Python
• Must have penchant for good API design.
• Must be a Stickler for good clear and secure coding
• Must have built and released APIs in production
• Experience in working with RDBMS and No SQL databases
• Must have designed thoughtful, extensible data models
• Knowledge of identifying, defining and building micro-services
• Working knowledge of GCS, AWS, Azure or any other cloud provider
• Aggressive problem diagnosis and creative problem-solving skills
• Communication skills, to speak to developers across the world. Good To Have
• Focus on constant improvement of developer experience
• Building or Working knowledge of CI/CD
• Basic know-how of front-end technologies like AngularJS/React
• Have worked on additional languages like Javascript/Ruby
Thanks
Job Description:
Software Development Engineer - Backend
Responsibilities
• Writing reusable, testable, and efficient code Develop, Code or modify, test, and
debug application programs of varying degree of complexity.
• Design and implementation of low-latency, high-availability, and performant
applications.
• Integration of user-facing elements developed by front-end developers with server
side logic Implementation of security and data protection.
• Integration of data storage solutions
Skills And Qualifications:
• Experience in design and implementation of low-latency, high availability, high
performance applications capable of handling large scale distributed workloads
Expert in Java, with knowledge of Spring boot and Hibernate framework.
• Experience with Elasticsearch
• Knowledge of user authentication and authorisation between multiple systems,
servers, and environments.
• Experience with relational databases like PostgreSQL/MySQL/Oracle.
• Able to create database schemas that represent and support business processes
Strong unit test and debugging skills
• Proficient understanding of code versioning tools such as Git.
• Understand lean approach with frequent releases and focussed on getting MVPs into
market as early as possible to increase feedback
• Passion for fast-paced and iterative software development
• Fast learner and open to working with new libraries/platforms
Nice to have:
• Experience developing in AWS/Azure/Google Cloud environments
• Solid understanding of Cloud PaaS / IaaS constructs and their APIs Understanding of
security products and secure coding techniques
- Deep understanding of Django and DRF
- Write effective, scalable code
- Develop back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Test and debug programs
- Improve functionality of existing systems
- Implement security and data protection solutions
- Assess and prioritize feature requests
- Coordinate with internal teams to understand user requirements and provide technical solutions
Programming expertise in latest technologies including; Java
Expertise in MuleSoft, Maven, Gradle, oAuth2.0, JWT, Spring Boot, Microservice Architecture, Web services (SOAP/ REST), Hibernate.
Expertise in DB (MongoDB, MySQL, PostgreSQL)
Experience in developing Continuous Integration/ Continuous Delivery pipelines (CI/ CD)
Proficiency in AWS, AZURE, Docker, DevOps, Git, Jenkins
Extensive experience in parsing XML and JSON and integration with API/ WS
Well versed in software engineering principles, frameworks and technologies.
Excellent communication and team management skills
Self-directed team player who thrives in a continually changing environment
Strong customer service/client service skills.
Desired Candidate Profile
Experience developing and analysing code for a web-based application
Maintain a flexible work schedule and perform other duties when assigned

Preferred Skills:
We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus
Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus
Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel
Strong Knowledge of Spring Boot Dependency Injection and Configuration
Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.)
SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps)
Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc)
Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot
Experience in the development of Workflow or Business Process ApplicationsNice to Have:
Experience with Cassandra or MongoDB with Spring Boot
Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances)
Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)
Search technologies such as Lucene/Solr








