Software Engineer 3

JOB DESCRIPTION

Experience: 4-7 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. - 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.

Job description

🔧 Key Responsibilities:

• Design and implement robust backend services using Node.js.
• Develop and maintain RESTful APIs to support front-end applications and third-party integrations
• Manage and optimize SQL/NoSQL databases (e.g., PostgreSQL, MongoDB, Snowflake)
• Collaborate with front-end developers to ensure seamless integration and data flow
• Implement caching, logging, and monitoring strategies for performance and reliability
• Ensure application security, scalability, and maintainability
• Participate in code reviews, architecture discussions, and agile ceremonies

✅ Required Skills:

• Proficiency in backend programming languages (Node.js, Java, .NET Core)
• Experience with API development and tools like Postman, Swagger
• Strong understanding of database design and query optimization
• Familiarity with microservices architecture and containerization (Docker, Kubernetes)
• Knowledge of cloud platforms (Azure, AWS) and CI/CD pipelines.

• A highly motivated and experienced frontend software engineer / developer with a proven track record (at least 5 years of experience).
• A Bachelor’s degree in computer science.
• Someone who loves to work in a multidisciplinary team of engineers and business colleagues in a high-tech environment.
• You are able to work in a dynamic and demanding environment, a real team player and a speak-up mentality to promote your ideas in a concise way.
• You are a problem-solver and see yourself as a hardcore web developer.
• You have knowledge of, and experience with, different web technologies.
• You are skilled with implementing architecture & design patterns.
• You can write modular code that is configurable, extensible and testable.
• You have great analytical skills, conceptual understanding and able to quickly understand new technical concepts.
• You have a strong interest in the latest trends in software development & web technologies.
• You have strong communication skills to explain complex technical concepts.
• You are fluent in English both in verbal and written.

Proficiency / experience with following technologies & tools:

• Thorough and deep understanding of Java JDK 11+, our foundational programming language

Spring Framework & AOP v5.2+

• Proven experience working with, and a deep understanding of Spring Boot 2.5+ and its modules (Web, Data JPA, Security OAuth2) and ability to explain complex use-cases related to persistency and web security
• Experience with Maven v3+
• Experience with containerization and deployments tools (eg. Docker v20+ and Kaniko, Helm (charts) v3+ with  Kubernetes deployments)
• Experience working with CI/CD tools like GitLab SCM & pipelines and JFrog Artifactory
• Strong knowledge working with different types of SQL and NoSQL databases such as PostgreSQL v12+, MongoDB v4+ and Neo4J v4+
• Proficient in working with DevOps engineers on Cloud deployments (eg. Azure subscriptions)
• Experience in Agile/Scrum & (pref.) SAFe (Scaled Agile Framework) and enabling tooling – Atlassian Jira Cloud / Jira Align
• Experienced and skilled in full-stack development.
• Leading and solutioning product development of secure and high-performance applications.
• Good understanding of REST APIs and working knowledge of HTTP(S).
• Experienced in testing stack – Junit / Mockito
• Experience with software quality & vulnerability testing – SonarQube and Blackduck
• Proficient in writing software documentation on Atlassian Wiki
• Proficient in implementing data structures, algorithm design and OOPs concepts.

We are looking for Flutter Developers responsible for developing cross-platform mobile

applications.

Work Details:

● Building modern and cross platform mobile applications using Flutter.

● Collaborating with the Planning and Design teams to bring ideas to life.

● Performing app profiling and improving performance.

● Improving code quality through code reviews.

● Developing new features, maintaining code, and fixing/debugging issues.

You need to have:

● One or more published Flutter apps on the App Store / Play Store.

● Good understanding of Flutter and Dart.

● Beginner to intermediate level knowledge of Java, Kotlin or Swift.

● Good understanding of code versioning tools such as Git etc.

● Willingness to learn about new technologies and trends in mobile.

● Familiarity with cloud message APIs and push notifications.

● Working knowledge of Reactive programming is a plus.

● Working knowledge of the general mobile landscape, architectures, trends, and emerging

technologies.

● Bachelor’s degree in Computer Science or related field, or equivalent professional

experience.

● Experience working with agile teams and making rapid decisions in a dynamic and

disruptive environment.

● Strong communication skills.

Benefits:

● Working with the latest technologies in an early-stage product startup, with plenty of

opportunities to learn

● You will work directly under the mentorship of other senior designers/developers and the

startup's founders.

Key Responsibility Areas:

• Develop tools and applications by producing clean, efficient code.
• Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions
• Perform validation and verification testing and debud code.
• Work collaboratively with others to achieve goals
• Experience working in an agile environment

Required Skills:

• Experience in implementing Object-Oriented Python, Django.
• Good understanding on Django
• Experienced in interfacing with *third party API’s using REST
• Worked with varieties of Relational Databases (RDBMS) like SQLite, MySQL, PostgreSQL.
• Experience in Version Control with Git and Bitbucket.
• Experience with JIRA the development progress and tracking deadlines of the project

Are you a high-performing, collaborative, results oriented and technologically savvy person who is keen on sales in the digital industry? Then this highly visible role is for you!

Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.

As the Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.

What you will do:

• Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
• Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
• Developing the Code as per the requirements
• Working with product team and constructing the tech roadmap
• Designing, building and scaling the company's backend microservices
• Maintaining code integrity and organization
• Applying all quality requirements to make the code production ready
• Developing and deploying new features to facilitate related procedures and tools if necessary
• Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
• Designing and building efficient, reusable, and reliable Java code
• Pro actively catching and fixing bugs, and providing support for the back end services
• Managing servers and infrastructure by keeping the lights on and refining the deployment architecture

What you need to have:

Role/ Responsibilities

• Design APIs, DB, Queues, monitoring for micro services. 
• Writing, deploying and managing micro services. 
• Migrate existing components into distributed micro service architecture. 
• AWS Cloud / Google Cloud Platform (Manage Infrastructure). 
• API integration with 3rd parties. 
• Unit test cases, automation. 
• Database optimisation. 
• Design of highly concurrent backend architecture. 
• Handling high traffic data. 

Experience required: 

• Sound fundamentails in software design. 
• Must have worked on distributed and micro service architecture. 
• Sound fundamentals on scale/ performance/ memory optimisation. 
• Sound fundamentals of authentication, authorization, payment processes, data security. 
• Must have experience in Spring / Spring boot. 
• Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue. 
• Good to have experience in Junit / mockito unit test cases. 
• Good to have knowledge in Mysql (or any RDBMS).