
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.

About ArmorCode
About
ArmorCode is a hyper-growth startup with a line-up of marquee customers that are an envy of even Fortune 500 companies. Our customers range from fast-paced digital native companies to #1 brands across three major global categories.
ArmorCode provides the industry’s leading AppSecOps platform delivering AppSec at the speed of DevSecOps. Since its founding in 2020 in Palo Alto, California by serial entrepreneurs with a successful track record of starting and growing startups, ArmorCode has won numerous awards including SINET 16, Globee IT & Disruptor Awards, Hot Startup of the Year award, and the TiE50 Award. ArmorCode was spotlighted on the iconic Nasdaq tower and was included in Gartner's AppSec Hype Cycle under Application Security Orchestration and Correlation tool (ASOC) category.
Application security is one of the fastest growing sub-segments within the fast-growing cybersecurity market, and we are a clear market leader in our category because of the platform-based architecture. In a world that is getting digitally transformed, application visibility and application security posture management are foundational and are a perfect launch pad for long-term career success. At ArmorCode you will find passionate problem-solvers who embody our core values: Hunger, Humility, and Humanity.
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Position Overview:
We are seeking a skilled Java Developer to join our dynamic team. The ideal candidate will have a strong foundation in Core Java and extensive experience in developing and deploying applications using Spring Boot, Apache Tomcat, and other related technologies. The candidate should possess expertise in building Restful Web Services, Microservices architecture, and be proficient in implementing multi-threading concepts.
Additionally, experience with Maven, Git, Jenkins, and Agile Scrum methodologies is essential for this role. The candidate should also have a solid understanding of software development lifecycle (SDLC) processes. Familiarity with various databases such as MySQL, PostgreSQL, Oracle, or MongoDB, along with third-party API integration and payment gateway integration, is required.
Key Responsibilities:
• Develop, test, deploy, and maintain Java-based applications.
• Design and implement Restful Web Services and Microservices using Spring Boot.
• Utilize multi-threading concepts to enhance application performance.
• Integrate third-party APIs and payment gateways into applications.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality solutions.
• Participate in Agile Scrum ceremonies and contribute to sprint planning, backlog grooming, and retrospectives.
• Ensure adherence to best practices and coding standards.
• Conduct code reviews and provide constructive feedback to peers.
• Troubleshoot and debug complex issues in production environments.
• Document design decisions, processes, and procedures.
Required Qualifications:
• Bachelor’s degree in computer science, Engineering, or related field.
• Minimum 3 years of experience as a Java Developer with expertise in Core Java.
• Strong knowledge of Spring Boot, Apache Tomcat, and multi-threading concepts.
• Hands-on experience in building Restful Web Services and Microservices architecture.
• Proficiency in using Maven, Git, and Jenkins for build and deployment processes.
• Familiarity with Agile Scrum methodologies and SDLC processes.
• Experience working with databases such as MySQL, PostgreSQL, Oracle, or MongoDB.
• Demonstrated ability to integrate third-party APIs and payment gateways.
• Excellent problem-solving and analytical skills.
• Effective communication and collaboration skills.
• Familiarity with NoSQL databases like MongoDB.
• Knowledge of Azure DevOps for CI/CD pipelines
🧠 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.
🔴 Profile: Java Developer
🔷 Experience: 2+ Years
🔷 Location: Mumbai
🔷 Mode: Immediate joiners preferred
✨ What we want:
✅ Core Java expertise (Java 8+, Collections, Multithreading)
✅ Spring Framework proficiency (Spring Boot, Spring MVC, Spring Security)
✅ Database skills (MySQL, PostgreSQL, Oracle, Hibernate/JPA)
✅ Microservices architecture experience
✅ RESTful API development and integration
✅ Maven/Gradle build tools
✅ Version control (Git, SVN)
✅ Application servers (Tomcat, JBoss, WebLogic)
✅ Cloud platforms (AWS/Azure preferred)
✅ Frontend basics (HTML, CSS, JavaScript - nice to have)
✅ Testing frameworks (JUnit, Mockito)
-5+ years of experience working as a software engineer in a fast-paced environment.
-Well-versed with Golang or Javascript.
-Experience with AWS is a bonus
-You have analytical and problem-solving skills, and can communicate your ideas.
-Experience with WebRTC, iOS, Android, or C++ development is a bonus.
Responsibilities-
-Work closely with the founders and the team to plan, design, and build the next iterations.
-You will collaborate closely with other engineers on the team and lend your help in your areas of expertise.
-Build micro-services to support new functionality.
-Build best practices to improve the current API workflow
-Help design and develop the next iteration of our observability platform.
-Mentor and hire Junior Developers.
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
Basic Qualifications:
- 2+ years of non-internship professional software development experience
- Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
- 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.
Additional Job requirements
- BS/MS/PhD in Computer Science/Math or equivalent
- BS in computer science or related field.
- 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
- Knowledgeable in object-oriented design patterns.
- Experience building highly scalable and distributed systems
Preferred Qualifications
- Experience with service-oriented architecture and application/services development
- Passion for performance debugging and benchmarking
- Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization
• 4+ years of software development experience in Java 8. Knowledge of Java 9.
• Experience in developing micro services in Spring Boot or Node.js. Experience in security, transaction, Idempotency, log tracing,
distributed caching, monitoring and containerization requirements of Micro services. Experience in developing High Cohesion &
Loosely Coupled Micro Services
• Should have excellent acumen in Data Structures, Algorithms, problem-solving and Logical/Analytical skills. Thorough
understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
• Sound understanding of concepts like Exceptional handling, Serialization/Deserialization and Immutability concepts, etc. Good
fundamental knowledge in Enums, Collections, Annotations, Generics, Autoboxing, etc.
• Experience with Multithreading, Concurrent Package and Concurrent APIs
• Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
• Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Hands-on experience with JMS. Hands-on experience in creating RESTful webservices and consuming webservices. Hands-on
experience with Spring.
• Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
• Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with
Maven/Gradle and knowledge of version control systems like Git/SVN etc.
• Good communication skills and ability to work with global teams to define and deliver on projects. Sound
understanding/experience in software development process, test-driven development.
• 4+ years of software development experience in Java 8. Knowledge of Java9.
• Experience in developing micro services in Spring Boot or Node.js. Experience in security, transaction, Idempotency, log tracing,
distributed caching, monitoring and containerization requirements of Micro services. Experience in developing High Cohesion &
Loosely Coupled Micro Services
• Should have excellent acumen in Data Structures, Algorithms, problem-solving and Logical/Analytical skills. Thorough
understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
• Sound understanding of concepts like Exceptional handling, Serialization/Deserialization and Immutability concepts, etc. Good
fundamental knowledge in Enums, Collections, Annotations, Generics, Autoboxing, etc.
• Experience with Multithreading, Concurrent Package and Concurrent APIs
• Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
• Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Hands-on experience with JMS. Hands-on experience in creating RESTful webservices and consuming webservices. Hands-on
experience with Spring.
• Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
• Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with
Maven/Gradle and knowledge of version control systems like Git/SVN etc.
• Good communication skills and ability to work with global teams to define and deliver on projects. Sound
understanding/experience in software development process, test-driven development.
Additional information
• Gender-Neutral Policy
• 18 paid holidays throughout the year for NCR/BLR (22 For Mumbai)
• Generous parental leave and new parent transition program
• Flexible work arrangements
• Employee Assistance Programs to help you in wellness and well being
- 2+ years of experience building REST APIs with Java
- 1+ years of experience in maintaining REST APIs documentation.
- 2+ years of experience programming and delivering in a production environment
- Expertise working with data structures and algorithms
- Proficiency in object-oriented programming and experience applying modern design patterns.
Company profile
We are the pioneering player in the FinTech industry in India in the institutional credit space. We have created a one of a kind online marketplace for institutional credit ‘CredAvenue’, bringing together issuers and lenders, while also participating in the marketplace through their own balance sheet. Within a short span of two years, CredAvenue has gained immense traction and boasts of multiple clients across sectors, 120+ investors across multiple segments and a high volume of credit deal closures. To read about the latest numbers we have clocked, please visit http://www.credavenue.com">www.credavenue.com.
We are backed by two of the leading global Private Equity firms and have also been successful in attracting high quality talent from some of the leading companies and universities globally. With the fundamentals in place, we are now gearing up for our next phase of high growth, and we are further building up our team to take the company to the next level.
Primary Responsibilities
- Responsible for full software life-cycle, system design and development of front-end & back-end systems
- Writing high-quality code, participating in code reviews, designing/architecting systems of varying complexity and scope
- Identify libraries and technologies worth experimentation
- Build innovative solutions from scratch and liaise with architects and engineers to build solutions
- Mentoring other team members
Required Skill
- Degree in Computer Science or relevant experience
- 2-7 years of relevant hands-on software engineering experience doing software design and development
- Proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
- Good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
- Excellent understanding of relational database structures, having knowledge of unstructured databases (NoSQL) will be an added advantage
- Expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
- Knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
- Work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
- Experience with Agile Development and Scrum methodologies.
Work Environment Details
- An opportunity to play a formative role in an ambitious financial services marketplace spanning investment banking, debt capital markets, institutional finance, retail lending and asset management
- A journey that will challenge and reward you in a manner few others will











