Lead Product Engineer

Strong Java Backend Engineer.

Mandatory (Experience 1): Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)

Mandatory (Experience 2): Must have been SDE-2 for at least 2.5 years

Mandatory (Tech skill 1) : Hands-on experience with RESTful APIs and microservices architecture

Mandatory (Tech skill 2): Strong understanding of distributed systems, multithreading, and async programming

Mandatory (Tech skill 3): Experience with relational and NoSQL databases

Mandatory (Tech skill 4) : Exposure to Kafka/RabbitMQ and Redis/Memcached

Mandatory (Tech skill 5): Experience with AWS / GCP / Azure, Docker, and Kubernetes

Mandatory (Tech skill 6) : Familiar with CI/CD pipelines and modern DevOps practices

Mandatory (Company): Product companies (B2B SAAS preferred)

Mandatory (Stability): Must have stayed for atleast 2 years with each of the previous companies

Mandatory (Education): B.Tech in computer science from Tier 1, Tier 2 colleges

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 

Job Description: We are looking for a talented and motivated Android Developer Intern to join our team for a 6-month internship. This is an exciting opportunity to gain hands-on experience in Android app development and work on real-world projects.

Key Responsibilities:

• Collaborate with the development team to design and develop Android applications.
• Write clean, efficient, and maintainable code following best practices.
• Assist in the integration of third-party APIs and libraries.
• Participate in code reviews and provide constructive feedback.
• Troubleshoot, debug, and resolve application issues.
• Stay updated with the latest industry trends and technologies in Android development.
• Document code and maintain technical documentation.

Requirements:

• Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field.
• Strong understanding of Java/Kotlin and Android SDK.
• Familiarity with RESTful APIs to connect Android applications to back-end services.
• Knowledge of Android UI design principles, patterns, and best practices.
• Experience with version control systems such as Git.
• Strong problem-solving skills and attention to detail.
• Ability to work independently and as part of a team.
• Excellent communication and collaboration skills.

How to Apply: Interested candidates are invited to send their resume and a brief cover letter with the subject line "Android Developer Internship Application."

About the role:

As a team member at TrusTrace, you’ll get to solve challenging, real-world problems that truly make a difference to society.

As a Product Developer at TrusTrace, you’ll get to solve challenging and real-time problems using cutting edge technologies. You get to work with industry thought leaders and big-name brands. You will work with the product team to materialize the requirements into pieces of user stories and priorities. You will get hands-on experience in polyglot programming to build solutions and write tests to ensure quality code. (We primarily work on Java, typescript/node, and golang). If you build it, you will own it, i.e . you will be generating metrics, track improvements, and bug fixes for features that are built and shipped by you.

Experience & Skills: (3 – 6 Years) The successful candidate will have

• Passion for problem-solving.
• Flexibility to multitask and re-priorities when necessary.
• Ability to work in an agile and customer-eccentric team.
• Open to learning new technologies.
• Prior saas/start-up experience is preferable, but not mandatory.
• Hands-on experience in back-end technologies and have a strong understanding of core data structure and design patterns.
• Commanding knowledge in HLD/LLD
• Basics of system design and distributed systems
• Strong fundamentals in frameworks like Spring MVC, Spring Security, Spring Data, and Spring-boot.
• Sound knowledge in Java and JVM ecosystem.
• Write the production-grade test code. Junit/ TestNG
• Proficiency with Rest API performance and OpenAPI standards.
• Experience in building cache layers and invalidate them properly ;-)
• Strong knowledge of NoSQL(Mongo) database.
• Experience with Elastic search or Solr is preferred.
• Basics understanding of cloud infrastructures (Preferably AWS) and CI/CD pipelines.
• Should have startup/product Experience

Educational Qualification : Preferably from CS/Circuit Background

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue

• 2 + years of software development experience utilizing Java based frameworks and technologies to build enterprise grade product solutions.
• 2+ years of experience designing, developing and documenting RESTful APIs.
• Strong understanding of concepts/technologies like Spring MVC, Spring boot, J2EE, EJB, application/API security, API governance/gateway platforms like apigee or kong.
• Good understanding of RDMS concepts and development preferably using MS SQL Server.
• Experience using test automation technologies like cucumber, selenium is a big plus.
• Partner with scrum masters to address technical blockers/impediments to progress.
• Prior experience working with agile scrum-based development methodology. Participate in sprint planning and estimate development efforts for features and stories.
• Partner with DevOps to install and configure/tune application containers like embedded Spring boot tomcat and webserver technologies preferably nginx or apache.
• Partner with cloud engineering group to outline the infrastructure provisioning requirements/needs for new product development.
• Design and develop CI/CD tools and process preferably using Jenkins to configure build jobs for APIs and design pipeline to promote artifacts from development all the way to production
• Experience with messaging technologies like kafka is a huge plus
• Work with Test Automation engineering team to integrate test automation scripts as part of the CI/CD process.
• Prior proven experience of utilizing and productionizing container/container orchestration technologies like Docker, kubernetes.
• Participate and Resolve issues related deployments, application performance etc.

Please find the JD Below:

Job title- ATL/Technical Lead

Experience

1. Must have experience
   1. Extensive product development experience
   2. 5-10 years experience in back end Java Development
   3. Possess advanced knowledge of object-oriented design and development (OOA/OOD). 
   4. Team task assignment, mentoring and helping resolve issues 
   5. Self-starter, ability to work with minimal supervision.
   6. Skilled at working collaboratively in a team-oriented environment. 
   7. Excellent problem-solving skills. Curious and adept at researching project-related issues and challenges.
   8. Excellent debugging skills

1. Good to have
   1. Experience in SOA and microservice deployment model.
   2. GWT development experience
   3. Experience of working in an Agile development model
   4. Mixed experience in different type of organizations - product start up and large enterprises

Other Skills

1. Strong Analytical skills
2. Acumen for understanding customer's business goals
3. Process oriented- Following current processes and partner in process improvement.
4. Data oriented- Using data and knowledge base for solving current problem at hand and creating software knowledge base for future use.
5. Ability to juggle multiple development and design tasks simultaneously.

Responsibilities : 

- Developer responsibilities include, but are not limited to the following:

- Experience as a Sun Certified Java Developer with proven hands-on Software Development experience. We use Java 8

- 4-10 years java development experience with JSE/JEE, Java-based Micro-services framework, and implementation, Spring framework, Hibernate framework, SQL, etc

- Hands-on experience on Spring boot & SPARK Microservices and OSGi specifications

- Strong knowledge of micro-service logging, monitoring, debugging, and testing

- Implementations experience of micro-service integration, packaging, building automation, and deployment

- At least two years experience in SOA & Microservices based process applications using BPM (Activiti/JBPM/Camunda)

- Object-Oriented Analysis and design using common design patterns.

- Insight of Java and JEE internals (Classloading, Memory Management, Transaction management, etc)

- Excellent knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate)

- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC, Spring Boot)

Qualifications: BS/MS degree in Computer Science, Engineering or a related subject and a minimum of 8 years of professional work experience in a mid-d or large corporate Information Technology environment. Highly organized and detail-oriented, with the ability to keep multiple projects and client engagements active at once. Comfort with ambiguity and ability to navigate uncertainty.