
JOB DESCRIPTION
Experience: 5+ years
Wissen Technology is now hiring for a 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. - 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 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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Job Description:
We are looking for a Lead Java Developer – Backend with a strong foundation in software engineering and hands-on experience in designing and building scalable, high-performance backend systems. You’ll be working within our Digital Engineering Studios on impactful and transformative projects in a fast-paced environment.
Key Responsibilities:
- Lead and mentor backend development teams.
- Design and develop scalable backend applications using Java and Spring Boot.
- Ensure high standards of code quality through best practices such as SOLID principles and clean code.
- Participate in pair programming, code reviews, and continuous integration processes.
- Drive Agile, Lean, and Continuous Delivery practices like TDD, BDD, and CI/CD.
- Collaborate with cross-functional teams and clients for successful delivery.
Required Skills & Experience:
- 9–12+ years of experience in backend development (Up to 17 years may be considered).
- Strong programming skills in Java and backend frameworks such as Spring Boot.
- Experience in designing and building large-scale, custom-built, scalable applications.
- Sound understanding of Object-Oriented Design (OOD) and SOLID principles.
- Hands-on experience with Agile methodologies, TDD/BDD, CI/CD pipelines.
- Familiarity with DevOps practices, Docker, Kubernetes, and Infrastructure as Code.
- Good understanding of cloud technologies – especially AWS, and exposure to GCP or Azure.
- Experience working in a product engineering environment is a plus.
- Startup experience or working in fast-paced, high-impact teams is highly desirable.
About Company:
Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.
Minimum Requirements/Qualifications:
(i) Minimum education qualification of MCA/ MSc (Computer Science)/BE/BTech (computers/ IT).
(ii) Must have at least 2.5 to 5 years of experience in application development, deployment, and testing. He/ She must possess a valid MySQL Developer or Java Developer certification, which is obtained at least six (06) months prior to the date of award of the contract to the firm.
(iii) Knowledge of Software Management Life Cycle and Software Testing viz unit testing, system testing & Integration Testing, etc.
(iv) Knowledge & hands-on experience of PHP & My SQL is a must. Additional knowledge of Post GreSQL, Typescript & Lit element, Java with Hibernate and Springs, SQL Server, Apache Tom Cat Server & relevant open-source technologies is required.
(v) Individuals must have hands-on experience in server operating systems viz Windows Server OS and RHEL. Knowledge of security concepts of web applications & Networking for undertaking necessary troubleshooting wrt applications accessibility.
(vi) Knowledge of Mobile Application Development
Key Responsibility Areas:
- Creation of new Course No, Term, and Term type at the beginning of each term. All associated Database tables and software procedures and functions are updated and recompiled.
- Management of Data Entry and Information access right to various users.
- AMC includes bug fixing, updating of application for any small policy changes.
- Regular Patch/update installation and coordinating with MIS team for identification and resolution of issues wrt application functioning and deployment
- Implementation of Cyber security policies and hardening of application
- Development of New functionalities in the application
- Regular Testing of running application functionalities and undertaking unit and integration testing of newly developed components.
- Support for making changes in the NDA internet web portal.
- AMC includes backing up of software, and database and storing it in other locations every week
- Online Multimedia Management System
- Software Wise Charter of Duties
- Cadet Suggestion/ Complaint Management System
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work withfront-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements:
● B.E/MS in Computer Science or equivalent.
● 10+ years or more of progressive software technology experience with at least 3 years
in an architectural role.
● Completely hands on with technology and architecture. Start-up experience is a huge
plus.
● Ability to quickly prototype and demonstrate technology value adds and educate + drive
adoption within the extended technology team
● Excellent and robust understanding of scalable product system architecture(s),
platforms and core technologies
● Demonstrated problem-solving and leadership skills to pursue correct engineering
process in adverse conditions. Ability to embrace and demonstrate leadership beyond
ownership
● Work with engineering leadership to setup and manage processes.
● Track record of thought leadership and out of the box thinking in the technology arena.
● Ability to work efficiently in an entrepreneurial and in a start-up environment
● A Java/Spring/Akka, Javascript or Golang rockstar.
● Deep and hands on knowledge of some of these technologies - MySQL, NodeJS,
message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra,
Arango, distributed caches such as Redis/memcached, container technology such as
Docker and Kubernetes etc.
● Great proficiency in distributed systems design, with an ability to make the right
trade-offs for creating future-proof solutions.
● Building quick PoCs and full-fledged solutions with various AWS managed services would
be a big plus.
About Nomiso India: Nomiso is a product and services engineering company. We are a team of Software Engineers, Architects, Managers, and Cloud Experts with expertise in Technology and Delivery Management.
Our mission is to Empower and Enhance the lives of our customers through simple solutions for their complex business problems.
At Nomiso, we encourage entrepreneurial spirit - to learn, grow and improve. A great workplace thrives on ideas and opportunities. That is a part of our DNA. We’re in pursuit of colleagues who share similar passions, are nimble, and thrive when challenged. We offer a positive, stimulating, and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged.
We invite you to push your boundaries and join us in fulfilling your career aspirations!
What You Can Expect from Us:
We work hard to provide our team with the best opportunities to grow their careers. You can expect to be a pioneer of ideas, a student of innovation, and a leader of thought. Innovation and thought leadership is at the center of everything we do at all levels of the company. Let’s make your career great!
Position Overview:
As our Senior Engineer (Back End), you'll be responsible for building new features, enhancing the existing ones as well as supporting them in production. You will also be responsible for building reusable libraries or technology platforms that address multiple use cases. You will work towards delivering specific milestones and objectives in a very dynamic environment.
Roles and Responsibilities:
● Working closely with the Engineers to develop the best technical design, strategy and drive execution to build capabilities into the platform
● Owning the delivery of various timelines, ensuring that key milestones are met and deliveries are of the highest quality
● Establishing various best practices for software development and encouraging their adoption with the team and organization
● Collaborate with other non-technical stakeholders of the business which includes Product Managers, Designers, Marketing etc.
● Encouraging and mentoring an excellent team of talented engineers by mentoring them and working with them to remove any roadblocks
● Functional availability of the software developed, enhancing the product based on functional requirements
● Managing cloud-based services, web applications for their functional correctness, availability, security
● Deploy and maintain enterprise class RESTful, GRPC based services
● Own the engineering excellence and operational readiness of the service driving the SLO,SLI, SLA of the relevant services
● Take ownership to drive quality of the services under your purview via integration test and unit test coverage
● Responsible for all microservices within your purview responsible driving their quality, security,availability, scalability and other “ilities”
● Dive deep into each issue, own reactive fixes, and execute long term fixes
● Assist other Support Engineers on complex RCA issues
● Provide technical mentoring and guidance to other engineers
● Provide L3 engineering support
Must Have Skills:
- Overall experience 7+ years and relevant at least 3+ years in Golang with Java
- Strong design and architectural experience in building various highly-scalable and highly-available products
- Strong understanding of the SDLC Activities which include Analysis, Design, Development, Testing, Deployment and Post-Production Support etc.
- Proficiency in at least one server side framework for Go Lang
- Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB, Redis etc
- Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues
- Able to work independently and multi-task effectively
- Program at a system level and able to manage service stability
- Excellent experience maintaining, scalable, extensible code
- Methodical in maintaining up to date documentation
- Metric-driven mindset and obsessive about ensuring clean coding practices
- Preferred experience in product development
- Preferred working experience on microservices platforms
- Proficiency in at least one modern web front-end development framework such as React JS will be a bonus
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- Preferred experience in Elasticsearch and Kibana (ELK Stack)
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Senior Software Engineer, Java/Python (Bangalore, Remote option available)
4+ years of experience
Zepto
Why should you look at this role?
Salary 40-55 lakh per annum
Paid leave
Sick leave
Provident Fund
What Else?
- High growth startup in quick commerce space (10 min delivery)
- Given our very high hiring bar, we offer a very competitive salary and substantial equity to create everlasting wealth for our early believers as the company grows.
- Work on real world logistics problems & benefit from the rocket ship Zepto is!
Tech Team: 40-50 (200+ in few months)
About the Employer
Zepto is a fast-growing startup that delivers products in 10 minutes through an optimised network of dark stores that we're building across the country!
Just 6 months after launching, we've raised $160 million from marquee
investors in Silicon Valley and India. Our investors include Y Combinator, Nexus Venture Partners, and many more! We’ve built out one of the best startup teams in India, with Senior Executives from Uber, Flipkart, Dream11, PhonePe, Goldman Sachs, Pepperfry, and institutions like Stanford, INSEAD, IITs, and IIMs.
The magic of Zepto is our ability to consistently deliver 2,500+ products in 10 minutes flat. It's the core of what we do, and the reason why we’ve been able to grow so fast with phenomenal customer love. Our mission is simple: to make 10-minute delivery the new normal.
Funding:
Funding Zepto has raised a total of $160M in funding over 3 rounds.
Their latest funding was raised on Dec 20, 2021 from a Series C round.
Employer Reviews:
“High Ownership, Lots of Learning, Broad Roles, Accessible Leaders”
"Alot of benefits like ZeptoJoy coupon, internet bill reimbursement and cab reimbursement is also taken care of. Overtime is paid."
Reporting structure:
Software Engineer -> Sr Software Engineer -> Lead -> EM -> AD / Director / VP -> Head of Engineering -> CTO
This role would be by and large a Individual Contributor role.
Interview Process:
- Round 1. Problem Solving + CS Fundamentals (60 mins)
- DS/Algo Problems (30 mins) - You can expect 1-2 Leetcode easy/medium questions
- CS Fundamentals (30 mins)
- Round 2. Low Level Design (60 mins)
- You would be given a trivial problem and expected to work through the low level design viz class structure, interfaces, db data models etc.
- Round 3. High Level Design (60 mins)
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
- Extract APIs, if any
- Database choices
- Schema design and Scale the system, if time permits
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
What You will do Everyday?
- Work very closely with the Tech Leadership and lead end-to-end development.
- Closely collaborate with product, design and business teams to understand product ideas and business needs and help deliver these as a series of ultra fast experiments.
- Architect and implement backend services with high reliability and scalability.
- Contribute to system architecture and database design.
- Set up best practices for development and champion their adoption.
- Write quality documentation and handle conflicts well to build consensus.
- Learn about new technologies and incorporate them.
- Mentor young minds and foster team spirit
Your Superpowers
- 4+ years of experience with Java frameworks like Spring / Dropwizard/Play or Python frameworks like Django/Flask/FastApi and databases like PostgreSQL/MySQL/MongoDB
- Experience in building highly scalable customer-facing applications that involve implementing complex business flows and dealing with an ever-increasing scale
- Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces.
- Experience in service-oriented architecture design.
- Experience building at least one application from scratch.
- Experience with cache store/message broker like Redis / RabbitMQ/Kafka
- Interest in learning new languages/framework as needed.
- Worked in a startup environment with high levels of ownership and commitment.
- A growth mindset and passionate about building things from the ground up and most importantly, you should be fun to work with.
- 8+ years of relevant work experience
- Well-versed in data structures, algorithms, and software design. Programming experience with at least one of
- Java or Python and object-oriented design
- Knowledge on SQL, NoSQL databases, Messaging/Caching technologies and AW deployments is a plus
- Exposure to the architecture and design (design patterns, security, reliability and scaling) of new and current systems. Experience in building highly scalable business applications, which involve implementing large complex business flows involving multiple third-party integrations
- Prior startup experience is a plus
Applicant must have a min of 4 years of experience as a Java Developer and a Min of 2 years on Spring boot, Augular knowledge must, having an experience in Angular would be an added advantage.
Detailed JD
Resources with below skill sets :
- Angular JS
- Spring MVC
- Spring Boot
- Hibernate
- PostgreSQL
- Drools
- SVN
- Jenkins
- SonarQube
- Foresighted & good judgement in problem solving.
- Capable of paying attention to detail.
- Good analytical and logical thinking.
- Prioritizing and organizing
- Team Player with positive attitude.
- Process knowledge/Technical expertise
- Good Written and Verbal communication Skills
- Analyse & understanding of the SRS.
- Report queries on the SRS/Requirement.
- Prepare low level design document
- Prepare Unit test cases
Qualification & Experience:
- Bachelor of Engineering, preferably in Computer Science/or related fields or Masters, from a premier college
- 2 to 6 years overall software development experience
- Proven hands-on Software Development experience
- Ability to work with an agile mindset
- Having a polyglot mindset to think beyond one programming language/framework to choose the right tech stack for the right problem and exhibit learnability to pick up new technologies
- Proven working experience in Java development/Python development with reasonable exposure to Python/Java respectively or willingness to learn Python/Java
- Hands on experience in designing and developing applications using Java EE platforms/Python Frameworks
- Object Oriented analysis and design using common design patterns
- Good Understanding of Data Structures & Algorithms
- Hands on multi-threading
- Experience in the Relational Databases, SQL and ORM technologies (e.g. JDBC, JPA2, Hibernate, Django ORM)
- Experience with test-driven development
Job Summary:
- Willingness to work on highly scalable cloud-native solutions based on microservices.
- Quickly learn the technologies and deliver using the same.
- Take complete ownership of the customer requirements.
- Motivated to deliver world-class quality.
- Inclined to bring new ways of thinking, working and providing solutions.
- Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.
- Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.
Experience:
● 3-9 years of development experience.
Technical Skills:
Mandatory:
- Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
- Actuator/Prometheus/Grafana/Servo (metrics),
- EFK/ELK stack (log analysis)
- OpenAPI/Swagger (documentation)
- RDBMS (PostgreSQL, MySQL, Maria or any other)
- NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
- Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
- CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)
Optional: (But highly recommended)
- NewSQL DB (TiDB, CockroachDB)
- AMQP/RabbitMQ
- Kafka
- Docker
- Kubernetes









