Senior Software Engineer / Backend Developer

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

We are looking for a Senior Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well. Collaborate with front-end and back-end developers and designers to build website following client requirements.

Responsibilities

• Create clear, simple, and reusable code
• Develop all server-side logic, including data storage to optimize website performance
• Identify programming bottlenecks and bugs and find fixes
• Test, update and validate web applications to be used on different web browsers
• Execute automated testing platforms and system tests
• Familiarity with front-end technologies
• Attention to detail, especially in identifying and fixing errors.

Required Skills

• 3+ Years of experience in back-end development
• Knowledge and experience in Node js and Mongo DB
• Experience in Microservices Architecture

Aadrila Technologies Pvt Ltd. is the largest data, analytics, automation, and decisioning solution provider to financial intuitions, catering to the entire customer lifecycle from onboarding to diligence. Aadrila Technologies provides solutions that enable systemic fraud prevention, risk management, compliance, and automation through superior data engineering and deep tech (NLP and Deep Learning) applications. In the B2B SaaS market, Aadrila Technologies Pvt. Ltd. is an undisputed leader. Based in Mumbai, Andheri, it has ~90% market share in the motor insurance underwriting data providers market.

Senior Software Engineer 4-6yrs of work exp

As a Senior Software Engineer at AADRILA TECHNOLOGIES PVT LTD, you will be responsible for designing, developing, and deploying high-quality API solutions. You will collaborate with cross-functional teams to build innovative and performant applications.

Responsibilities:

- Write reusable, testable, and efficient code.

- Design and implement low-latency, high-availability, and performant RESTful APIs.

- Implement security and data protection measures.

- Integrate data storage solutions into software systems.

- Develop, test, tune for performance, and deploy web services.

- Collaborate with the product team to build innovative, robust, and user-friendly features

Requirements:

Must-Haves:

- Excellent analytical and problem-solving skills.

- Proven experience in the software development lifecycle.

- Solid coding experience in Python.

- Good understanding of Object-Oriented Concepts and Design Patterns.

- Knowledge of Amazon Web Services (AWS) APIs deployment and management.

- Experience working with Multithreading/Multiprocessing.

- Good working knowledge of programming in a Linux environment.

- Acquaintance with Web Stacks and RESTful APIs.

- Experience in best code deployment practices.

Highly Desired:

- Experience with NoSQL databases like MongoDB.

- Familiarity with AWS Serverless Stack (API Gateway, Lambda, SQS, Cloudwatch etc.)

- Familiarity with infrastructure as code tools (serverless and Terraform).

Experience and Qualification:

- Minimum of 3+ years of relevant experience.

- Bachelor's or Master's degree in Computer Science, Computer Engineering, or Information Technology.

Join our dynamic team and work in a challenging environment where you will have the opportunity to make a significant impact. AADRILA TECHNOLOGIES PVT LTD offers competitive compensation, professional development opportunities, and a collaborative work culture. Apply now and be part of our innovative software engineering team.

• 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:

• 2+ 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.

Hi,

We are hiring for the position of Java Tech Lead. Please find below the details for the same.

A passionate developer who has a strong working knowledge of OOPS and functional programming

principles. Standard Definitions and abbreviations don't entice us that much.

Key skills:

• Strong Java and J2EE background with 5-7 years of experience.

• Strong working experience in Multi-Threading, Exception Management and the Use of Collections.

• Sound knowledge of working with application aspects i.e., Caching, Asynchronous APIs, Logging etc.

• Experience with web application frameworks like Spring Boot or Dropwizard.

• Unit Testing is an everyday affair and hence demands very good unit testing skills using tools like Junit & TestNG.

• Understanding of relational databases, RESTful services, and build tools like Maven & Gradle

• Knows what and when to mock and has used frameworks like Mockito/Power Mock.

• Understanding of message queues such as ActiveMQ, Kafka, and RabbitMQ.

•  Version Control is treated as important as programming skills. Fluent with version control tools like Git and Bitbucket.

• Exposure to Agile/Scrum, TDD not in theory but in practice.

•  Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube.

•  Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.

• Strong communication skills along with the ability to articulate technical designs and concepts.

• Exposure to cloud and containerization would be a plus.

• Hands-on experience in application development in an enterprise setup.

• Have a good understanding of Distributed Application Architecture.

• 4+ years distributed service engineering experience in a software development environment
• Experience driving feature design reviews, documentation, UX reviews, and working with Product Managers through the entire launch process
• Strong development experience in Java, C++, C#, or similar OO languages
• Strong knowledge of data structures, algorithms, operating systems, and distributed systems fundamentals
• Working familiarity with networking protocols (TCP/IP, HTTP) and standard network architectures
• Good understanding of databases, NoSQL systems, storage and distributed persistence technologies
• Experience building multi-tenant, virtualized infrastructure a strong plus

• You have 2-5 years of experience using two or more development languages (ASP.NET, JavaScript, Scala, C#, etc.) with experience in Object-Oriented programming and full-stack web application development
• You can write clean, high-quality code in a variety of languages and are also able to spot and improve bad code
• You have experience with Agile and/or Continuous Delivery approaches such as Continuous Integration, TDD, Infrastructure as Code, etc.
• Experience with developing web applications based on ReactJS
• Hands on experience in setting up automated build pipelines based on Jenkins, Gradle, MSBuild, Maven etc.
• Bonus points if you have knowledge of cloud technologies such as AWS/Azure/GCP, Docker and Kubernetes
• Experience with atleast one RDBMS sql-server or postgress having good sql skills
• You will champion best practices like writing clean and reusable code using practices like Test Driven Development, SOLID principles, OO design, and pair programming
• You will partner with developers from other cross-functional teams advocating devops culture
• Experience with building REST APIs and asynchronous messaging systems
• You will work in collaborative, product-focused teams to build innovative customer experiences
• Take ownership and accountability beyond individual deliverables, always pushing the envelope in order to deliver awesome results for our clients