
Java Developer – Job Description
Wissen Technology is now hiring a Java Developer 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 consultancy.
Required Skills:
• Exp. - 4 to 9 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 Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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About us:
Hiver offers teams the simplest way to offer outstanding and personalized customer service. As a customer service solution built on Gmail, Hiver is intuitive, super easy to learn, and delightful to use. Hiver is used by thousands of teams at some of the best-known companies in the world to provide attentive, empathetic, and human service to their customers at scale. We’re a top-rated product on G2 and rank very highly on customer satisfaction.
At Hiver, we obsess about being world-class at everything we do. Our product is loved by our customers, our content engages a very wide audience, our customer service is one of the highest rated in the industry, and our sales team is as driven about doing right by our customers as they are by hitting their numbers. We’re profitably run and are backed by notable investors. K1 Capital led our most recent round of $27 million. Before that, we raised from Kalaari Capital, Kae Capital, and Citrix Startup Accelerator.
Opportunity:
As a Senior Staff Engineer at Hiver, you will play a pivotal role in shaping the future of our platform and technology landscape. You will operate as a senior technical leader — driving architectural strategy, establishing engineering excellence across teams, and influencing product direction at scale.
Hiver processes over 5 million emails daily for thousands of active users — and as we continue to grow rapidly, you’ll lead efforts to build highly scalable, intelligent, and resilient systems that power this growth. This is a hands-on and strategic role where you will architect complex systems, mentor other Staff Engineers and Technical Leads, and champion technical innovation across the company.
What you will be working on?
Strategic Technical Leadership
- Define and evolve Hiver’s technical architecture and long-term technology roadmap in alignment with business strategy.
- Lead architectural design reviews and ensure coherent technical direction across multiple product and platform teams.
- Partner with senior leadership across all functions to make strategic build vs. buy, scale vs. optimize, and AI adoption decisions.
- Drive technical vision-setting for next-generation AI-driven capabilities across the product suite.
AI and Systems Architecture
- Design and scale advanced Generative AI and Machine Learning solutions integrated with Hiver’s core workflows.
- Build frameworks to improve system scalability, resilience, and observability for high-throughput email and data processing.
- Ensure architectural decisions are guided by performance, maintainability, and cost efficiency principles
Engineering Excellence & Mentorship
- Set and enforce engineering-wide standards for system design, code quality, and technical documentation.
- Mentor and coach Staff Engineers, Tech Leads, and Senior Engineers, helping them grow as system thinkers and problem solvers.
- Act as the final technical reviewer for complex or high-risk projects, reducing uncertainty and ensuring timely delivery.
- Build a culture of engineering excellence that values clarity, simplicity, and accountability.
Cross-Functional Influence
- Collaborate closely with Product, Data, and Design teams to translate business goals into technically feasible and scalable solutions.
- Drive consensus and alignment on key architectural trade-offs across multiple teams and stakeholders.
- Lead post-incident reviews and proactively drive initiatives that improve system reliability and developer productivity.
Innovation & Technical Thought Leadership
- Champion emerging technologies — AI, automation, data analytics — to create business leverage.
- Promote a culture of continuous innovation, experimentation, and learning within engineering.
- Represent Hiver’s engineering excellence in external forums, conferences, and open-source communities.
What we are looking for?
- 12+ years of total experience in software engineering with at least 5+ years in architecture or technical leadership roles.
- 3+ years of experience leading Staff-level in large-scale distributed systems.
- Extensive expertise in AI/ML (including Generative AI), with a deep understanding of model lifecycle management and deployment.
- Proven experience architecting high-availability, large-scale SaaS platforms in cloud environments (AWS, GCP or Azure).
- Strong foundation in Python or Java, object-oriented design, and system performance optimization.
- Advanced understanding of distributed systems, data architecture, and event-driven design patterns.
- Experience managing technical strategy and decision-making across multiple teams or product areas.
- Demonstrated ability to navigate ambiguity, build consensus, and influence without direct authority.
- Passion for mentoring and developing senior engineering talent and shaping engineering culture at scale.
Looking for Java Developer| Mumbai to join a team of rockstar developers. The candidate should have a minimum of 4+ yrs. There are multiple openings. If you're looking for career growth & a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report into IIT'ans/BITS grads with 10+ years of development experience + work with F500 companies (our customers)
Company Background - CodeVyasa is a Software Product-Engineering and Development company that helps Early-stage & Mid-Market Product companies with IT Consulting, App Development, and On-demand Tech Resources. Our Journey over the last 3 years has been nothing short of a roller-coaster. Along our way, we've won some of the most prestigious awards while driving immense value to our customers & employees. Here's the link to our website (codevyasa.com). To give you a sense of our growth rate, we've added 70+ employees in the last 6 weeks itself and expect another 125+ by the end of Q1 2024
Requirements:
- Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
- Minimum of 4 years of experience as a Java Developer.
- Proficiency in Hibernate development.
- Aptitude for learning new technologies quickly.
- Good problem-solving and analytical skills.
What We Offer:
- Glassdoor rating of 4.8, indicating high employee satisfaction.
- Free healthcare benefits.
- Strong focus on upskilling and professional development opportunities.
- Diverse and inclusive work environment.
- Competitive compensation and benefits package.
- Emphasis on maintaining a healthy work-life balance
- Immediate joiners with 5 to 10 years of experience.
- Should have team leading experience.
- Should be keen to work as a Developer.
- Java, Spring boot and Design patterns are key areas where they should be excellent.
- Good communication skills is a mandate.
- Should be willing to work on alternate Saturdays (10 AM to 4:30 PM).
- They will have to relocate to Chennai.
- Strong SQL skills, Postgres SQL database knowledge.
- Cloud Experience in deployment (CI/CD)
- Unit Test case
- Angular – good to have
Job Description:
1) Good experience in Java
2) Hands-on experience in Spring boot
3) Hands-on experience in Microservices
Responsibilities
- Help define Technical Roadmap and own the entire product delivery end to end
- Work very closely with various business stakeholders to drive the execution of multiple business plans and technologies
- Improve, optimize and identify opportunities for efficient software development processes
- Hire, Develop and Retain a strong team of engineers
- Keep abreast of the changes in the industry and champion new technologies and development processes within the team
- Thinking backwards from a customer POV and relentlessly pursuing customer's cause in tech and product decisions
Apply If You have:
- Graduation/Post Graduation degree in Computer Science (IITs, IIITs and NITs preferred)
- 6-10 years of strong experience in JAVA(Spring/Hibernate/JPA/REST), JavaScript, NodeJS with good exposure to MySQL
- Experience with AWS, Microservices, Caching, Performance Optimization, Nginx, Solr, Redis, Redshift
- Experience working with agile teams and making rapid decisions in dynamic and disruptive environment
- 2+ years of leading and managing a team consisting of backend, frontend and QA.
- Hands on writing and reviewing code
- Exceptional design and architectural skills
- Strong communication skills
- High motivation to work in a fast paced, dynamic, collaborative team environment
Primary Responsibilities
- Design, architect and develop advanced software solutions in a cross functional Agile team supporting multiple projects and initiatives
- Collaborate with product owners and/or the business on requirements definition, development of functional specifications, and design
- Collaborate on or lead development of technical design and specifications as required
- Code, test and document new applications as well as changes to existing system functionality and ensure successful completion
- Take on leadership roles as needed
Skills & Requirements
- Bachelor’s Degree required, preferably in Computer Science or related field
- 3+ years of software development experience using GoLang/Java programming language
- Experience with cloud technologies (AWS/Azure/GCP/Pivotal Cloud Foundry/any private cloud) and containerization is required
- Experience with a micro-services architecture is a plus
- Excellent communication, collaboration, reporting, analytical and problem solving skills
- Experience with PostgreSQL or other Relational Databases
- Test-driven development mindset and a focus on quality, scalability and performance
- Strong programming fundamentals and ability to produce high quality code
- Solid understanding of Agile (SCRUM) Development Process required
Position - Software Development Engineer
Responsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of API integrations
- Optimize application for maximum speed and scalability
- Collaborate with other team members and stakeholders
Requirements
- Proficient understanding of Java 8 or plus, Spring Frameworks, Spring Boot & Microservices
- Strong problem solving skills and good with product understanding
- Good understanding of server-side programming and integration with UI components.
- Good understanding of MySQL and any one NoSQL
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of code repositories like git
- 2- 5 years of experience
Personal Characteristics
- Passion and commitment
- Coding enthusiastic
- High integrity
- Self-starter
Key Skills
- Java
- Spring
- Spring Boot
- J2EE
- Build the backend for Android & iOS application and website with Company Dashboard (MIS).
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and performance applications
-Well versed with AWS and Server deployment
- Excellent knowledge of Spring frameworks
- Excellent knowledge of Java, JSP, JavaScript, AJAX, HTML, JSON
- Good knowledge of MySQL
- Knowledge of coding standards and good commenting practices
- Experiences in developing RESTful web services must.
- Ability to understand business requirements and translate them into technical requirements
- Ability to design applications around natural user interfaces
- Experience with REST API connections
- Writing reusable, testable, and efficient code
- Integration of data storage solutions
- Build the backend for application and website with Android App, IOS, Company Dashboard.
- Own software quality and optimize UI
- Understand closely the requirements of the customers and get the features implemented on time
- Creating of strong project timeline along with budgeting and regular reporting
Requirements:
- B. Tech/BE in Computer Science or related subject from a reputed university
- IIT/NIT/IIIT Only
- 2+ years of experience in Technology background and start-up environment.
- Strong proficiency with J2EE with Spring MVC, JPA, DSA, MySQL, Git.
- Basic understanding of front-end technologies, such as HTML5, JQuery and CSS3
- Understanding fundamental design principles behind a scalable application
- Creating database schema that represent and support business processes
- Advanced level (knowledge and experience) of programming languages and methodologies.
- Excellent judgment/decision making, conflict resolution, leadership and motivational skills.
- Should have strong work ethic and positive team attitude
MySQL / Oracle / PostgreSQL
2. Experience building at least one application from scratch
3. Understanding of at least one test frameworks and basic system administration
4. Experience with cache store / message broker like Redis / RabbitMQ / Kafka
5. Good to have: Experience with NoSQL databases like Cassandra, MongoDb, Neo4j, ElasticSearch
etc and Understanding of different concurrency models used in Akka, node.js, Go, RxJava etc
6. Interest in learning new languages / framework as needed
7. A growth mindset and passionate about building things from the ground up and most
importantly, you should be fun to work with









