Senior Android Developer

JOB DESCRIPTION

Experience: 3-5 years

Location: Bangalore

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. - 3-5 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.

We are seeking a highly skilled Senior Java Developer with expertise in Microservices architecture and Spring Boot to join our dynamic team. The ideal candidate will be responsible for designing, developing, and deploying scalable, high-performance backend solutions.

Key Responsibilities:

• Design, develop, and maintain Java-based applications using Spring Boot and Microservices architecture.
• Develop and implement RESTful APIs and integrate them with front-end components.
• Optimize application performance and ensure high availability and scalability.
• Collaborate with cross-functional teams to gather and analyze business requirements.
• Implement security best practices, including authentication and authorization mechanisms.
• Develop and maintain unit and integration tests to ensure robust software quality.
• Work with DevOps teams to automate CI/CD pipelines and ensure smooth deployment processes.
• Monitor and troubleshoot production issues, providing efficient resolutions.
• Stay updated with emerging technologies and best practices in Java development and cloud-native applications.

Required Skills & Qualifications:

• 8+ years of hands-on experience in Java development.
• Expertise in Spring Boot, Spring MVC, Spring Cloud, and other Spring frameworks.
• Strong experience with Microservices architecture and API development.
• Proficiency in RESTful services, JSON, and Swagger/OpenAPI.
• Hands-on experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Redis).
• Familiarity with message brokers like Kafka or RabbitMQ.
• Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, or GCP).
• Solid understanding of CI/CD pipelines using Jenkins, GitLab, or similar tools.
• Strong problem-solving skills and the ability to work in an agile development environment.
• Excellent communication and teamwork skills.

Nice-to-Have:

• Experience with GraphQL and event-driven architecture.
• Knowledge of reactive programming using WebFlux.
• Familiarity with observability tools like Prometheus, Grafana, ELK stack.

We are looking for a highly skilled Backend Developer with expertise in Core Java, Java 8, and Data Structures. The ideal candidate should have experience in Spring Boot, JPA/Hibernate, and Microservices architecture. If you are passionate about backend development and want to work in a dynamic environment, we’d love to hear from you!

Key Responsibilities:

• Develop and maintain backend applications using Core Java and Java 8.
• Design and implement RESTful and SOAP web services.
• Work with Spring Framework, Spring Boot, and JPA/Hibernate for backend development.
• Build and optimize microservices-based architectures.
• Manage databases such as PostgreSQL, MySQL, or Oracle.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Write clean, efficient, and scalable code while following best practices.
• 
  

Requirements:

✅ Strong hands-on experience in Java (Core Java, Java 8) and Data Structures.

✅ Proficiency in Spring, Spring Boot, JPA/Hibernate.

✅ Experience in developing and consuming RESTful & SOAP APIs.

✅ Knowledge of Microservices architecture and best practices.

✅ Database expertise in PostgreSQL, MySQL, or Oracle.

✅ Excellent verbal and written communication skills.

Nice to Have:

• Experience with Docker/Kubernetes.
• Knowledge of CI/CD pipelines and DevOps practices.
• Exposure to cloud platforms (AWS, GCP, or Azure).

We focus on client adoption of disruptive technologies, technology architecture and providing specialized skills related to integration, custom software engineering, testing, application modernization, agile and more. We help our clients with the most complex projects including working in open web platforms, DevOps platforms as well as intelligent Computing and Architecture enhancement.

We are looking for hands on, smart thinking Applications developer to join our fast-growing team of talented professionals. You will have the opportunity to work on large enterprise solutions and deliver solutions that deliver business performance for our customers.

WORK YOU’LL DO

• Design and develop microservices/APIs using either Java/Spring boot, ISTIO, Kubernetes, Docker, CI / CD Pipelines
• You would scale micro services using Kafka or similar messaging systems.
• Collaborate with clients, architects, and application architectures to understand the operational objectives and purpose of the future system integration.
• Understand the points of integration between the different systems and highlight the potential risks associated with the delivery of solutions
• Collaborate with Functional Designers and Developers in order to find best solutions
• Produce detailed functional and technical specifications.
• Assist in producing solutions with threat assessments and associated security awareness.
•  

WHAT WE ARE LOOKING FOR

• 5- 8 years of hands-on experience designing and developing microservices using either Java/Spring Boot
• 3-5 years of experience with system integration
• Minimum of 3 years of relevant experience with API concepts and technologies such as REST, JSON, XML, SOAP, YAML, GraphQL, and Swagger
• Experience developing within agile methodology using CI/CD pipeline
• Experienced in 3-tier, n-tier, cloud computing, microservices architectures and SOA.
• Good knowledge of integration architectures
• Experience supporting and/or implementing complex integration projects
• Excellent client management skills
• Experience with Data modelling would be an asset

QUALIFICATIONS

• Experience of working in an Agile Environment
• Ability to drive design from Stories and Requirements
• Adept at UML, Design Patterns, Reusable Services Development,
• Knowledge on Scaling Microservices

We are looking for a Java/Full stack Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.

Experience : 2+ years

Location : Work from Home (full time)

Notice Period : 0 to 30 days ( Immediate joiners are preferred)

Roles & Responsibilities :

(This role encompassing both API engineering using Java stack and web development. Experience in designing, developing, testing and successfully deploying critical and complex projects.)

• Contribute in all phases of the development lifecycle

• Write well designed, testable, efficient code

• Ensure designs are in compliance with specifications

• Prepare and produce releases of software components

• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

• Build reusable code and libraries for future use

Required Skill set :

• Java background with a minimum of 2 years experience in Java technologies.

• Experience in designing and developing application backend using frameworks like Spring Boot, Spring MVC, Jersey, JPA, Hibernate, SQL, Linux, JSON, XML, OAuth etc.

• Add on : Experience with frontend technologies like CSS,HTML,Javascript, NodeJS/Express, Angular, React, ExtJS, Vue is preferred

• Experience with both SQL and NoSQL database systems and writing SQL queries

• Strong experience building, designing, and consuming Restful web services.

• Exposure of Cloud Infrastructure - AWS and Alibaba Cloud

• Excellent understanding of ORM and Database concepts

• Experience with developing unit test code using JUNIT, Power Mock/EasyMock/Mockito etc.

• Experience with Git, Maven and CI/CD pipelines to deploy on Cloud applications

• Experience & knowledge on Micro services Architecture and API development using Java, spring, Spring Boot

• Experienced in roles conducting requirements gathering, writing user stories, creating application design and using design patterns

• Good knowledge on credentials/secrets management and data encryption techniques

• Good knowledge on coding standards, design patterns, unit testing.

• Good hands - on BitBucket/Github is preferred.

The ideal candidate should be a proactive individual with strong communication skills and a team player.

Should have hands-on experience in the following:

• He or she should have experience of at least 2 - 4 years in Java development.
• Hands-on experience in designing and developing applications using Java EE platforms and at least 2 - 4 years of experience on the same.
• Should have excellent in-depth knowledge on core java, JSP, servlets, and beans
• Experience in multi-threaded server-side Java programming
• Working knowledge of web services.
• Working knowledge on hibernate and springs framework.
• Experience in writing SQL queries.
• Should have worked in an SDLC environment.
• Good communication skills.
• Experience in working effectively within a team

About OneAssist
OneAssist is founded with a vision to provide a ubiquitous platform for assistance & protection services to customers.

A leader in Assistance and Protection products across Home Appliances, Personal Electronics, Physical and Mobile Wallets, OneAssist is a Technology-led organization. It has created a horizontal Assitance and Protection platform powered by Technology, Analytics and Data Science.

OneAssist wants to provide consumers the convenience of availing assistance and protection products through digital touch points- Mobile App, website, Voice and chat.

Founded in 2011, OneAssist has been well funded by Marquee investors, Sequoia Capital, Lightspeed Venture Partners, Assurant Solutions and Trifecta Capital with total cumulative funding of $33.2 Million. The latest Series C funding of &17.5 Million was raised in 2017.

Some of our significant partnerships are with Airtel, HDFC, HomeCredit, Pinelabs, InstaCash and more.

https://www.linkedin.com/company/oneassist-consumer-solutions/about/">https://www.linkedin.com/company/oneassist-consumer-solutions/about/
https://www.oneassist.in">https://www.oneassist.in

Job Description:

• Write maintainable/scalable/efficient code.
• Design and architect technical solutions for the developer community at OneAssist Work in a cross-functional team, collaborating with peers during the entire SDLC.
• Follow coding standards, code reviews etc. Follow scrum sprint cycles and commitment to deadlines.

Traits we are looking for in you: 3+ years experience developing large scale customer facing internet systems Strong problem-solving skills.

• Hands-on experience in coding capability in desired technology Solid experience in Java/J2EE frameworks such as Spring, Spring Boot, Spring Cloud, Hibernate.
• Strong Experience with Microservices, RESTful Web services, OOPs concepts.
• Nice to have knowledge of Docker, Kubernetes, Jenkins and CI/CD Knowledge
• Strong background in designing or extending existing test frameworks such as Junit Experience with version control systems such as Git. Good understanding of application security (authentication, authorization, web security etc.)