Senior Software Engineer - Backend

🔥 High Priority – Senior Lead Java Developer (10+ Years) | Bangalore – Onsite

Summary :

We are hiring Senior Lead Java Developers with 10+ years of experience for an onsite role in Bangalore.

If you're a hands-on expert with a strong background in Java, Spring Boot, Microservices, and Kubernetes, this is your opportunity to lead, mentor, and deliver high-quality solutions in a fast-paced environment.

🔹 Position : Senior Lead Java Developer

🔹 Experience : 10+ Years (12+ preferred)

🔹 Location : Bangalore (Onsite)

🔹 Openings : 6+

✅ Must-Have Skills :

• 8+ years of hands-on experience with Core Java & Spring Boot
• Expertise in Multithreading, Dependency Injection, and AOP
• Strong in Microservices Architecture and RESTful services
• Good exposure to SQL & NoSQL databases
• Proficient with Git (GitLab preferred)
• Experience with Kubernetes deployments and APM tools (New Relic preferred)
• Solid understanding of distributed tracing and log analysis
• Proven debugging and performance optimization skills

💼 Responsibilities :

• Design and develop high-quality, scalable microservices
• Act as SME for multiple services or subsystems
• Own service performance, SLAs, and incident resolutions
• Mentor junior developers and conduct technical interviews
• Participate in production war rooms and troubleshooting
• Lead development efforts and drive code quality

🎓 Qualification :

• BE/B.Tech or equivalent degree

Job Details:

• Role: Senior Staff Engineer, Java, Node JS
• Experience: 7.5 -9 Years
• Employment Type: Full-time
• Work Mode: Bengaluru (Onsite- 5 days)

Job description

REQUIREMENTS:

• Strong experience in Backend Engineering, Microservices, and Distributed Systems
• Deep hands-on expertise in Java and Node.js development 
• Strong experience in designing and developing RESTful APIs and backend services 
• Strong understanding of OOP, Data Structures, Algorithms, and Software Design Principles 
• Hands-on experience with PostgreSQL, MongoDB, or similar databases 
• Experience with system design, scalability, fault tolerance, and performance optimization
• Experience with Redis, messaging systems, and event-driven architectures
• Hands-on experience with Git, automated testing, CI/CD, Docker, and Kubernetes
• Strong understanding of API security, authentication, and authorization
• Experience with observability, monitoring, and production support
• Strong troubleshooting, analytical, and problem-solving skills
• Experience working in Agile/Scrum environments
• Excellent communication and stakeholder management skills
• Experience with Spring Boot, TypeScript, NestJS, Kafka, and AI-assisted coding tools is preferred

RESPONSIBILITIES:

• Design, develop, and maintain scalable backend services, microservices, and APIs
• Build high-performance RESTful and event-driven applications
• Own system design, data models, integrations, scalability, and reliability
• Collaborate with product and engineering teams to deliver business solutions
• Write clean, secure, maintainable, and well-tested code
• Conduct code reviews and mentor junior engineers
• Troubleshoot production issues and perform root cause analysis
• Improve CI/CD pipelines, monitoring, logging, and operational practices
• Optimize application performance, database efficiency, and system scalability
• Participate in architecture discussions, design reviews, and technical decision-making
• Implement security best practices and engineering standards
• Support platform modernization and continuous improvement initiatives
• Leverage modern development tools and AI-assisted coding practices to improve productivity
• Participate in Agile ceremonies and collaborate with cross-functional stakeholders
• Ensure delivery of high-quality, reliable, and scalable backend solutions.

Qualifications

Bachelor’s or master’s degree in computer science, Information Technology, or a related fields

Wissen Technology is hiring for Java Tech lead

Required:

• 8-10 years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

Job Responsibilities:

● Design, test, and build scalable backend python services

● Closely collaborate with marketing and product teams to build innovative, robust, and easy-to-use features that serve.

● Developing high-quality code based on detailed designs that cater to the product requirements.

● Responsible for troubleshooting, testing, and maintaining the core product software and databases to ensure strong optimization and functionality

Required Skills:

● Degree in Computer Science, Software Engineering or equivalent.

● Minimum 3+ years experience in software development.

● Expertise in Python 3.7, Django 2.2+, and REST APIs.

● Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment

● Hands-on, self-starter, capable of working independently

● True love for technology and what you do

● Maniacal attention to detail

• 2.5+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

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 the doctor-patient relationship and enhance the in-clinic experience.

As the Sr. 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 companys advanced health-tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively

What you need to have:

Aimed at building a massive parallel economy, This For That, is looking for highly driven engineers to build out a world class product. The product is in its early stages so there’s a lot to learn and build from scratch. You will get to work alongside seasoned business and marketing professionals and become part of the core engineering team.

Ideal skills:

1) 2-5 years of professional JavaScript development experience

2) Understanding of asynchronous programming and its quirks and workarounds

3) Comfortable working through the entire stack from the user interface through systems levels

4) Understanding accessibility and security compliance

5) Strong Logical and Analytical Skills

6) Experience in consuming web services (REST) and processing data (JSON)

7) Experience with SQLite, NoSQL, Redis or other databases

8) Proven experience in building API services using NodeJS Express and related frameworks

9) Good understanding of NodeJS asynchronous runtime

10) Good understanding of JS concepts on callbacks and closures

11) Experience in debugging issues related to memory leaks

12) Experience in building highly scalable and high throughput services with sub-second response times

13) Experience with ElasticSearch/Solr

14) Experience working in a collaborative team environment

15) Ability to understand and analyse issues across multiple vendors and interfaces

16) Experience with NoSQL queries

17) Experience with AWS

18) Experience in managing/mentoring small teams

In depth knowledge of all of the above is not mandatory but the nature of the work will involve learning and getting involved with all of the above. You would be working directly with key members of the management team to define and drive technical strategy.

Experience in the mobile space is mandatory. Please only apply if you have been part of building a mobile product. Since our product is mobile only, it is essential that you understand implications on the front end.