
Required Skills for the Java role :
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).

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 the role:
We are seeking a highly motivated Principal Engineer with expertise in building scalable, extensible customer payment solutions, identifying and addressing performance bottlenecks, collaborating with other team members across teams to innovate current/new products; Identify, communicate and implement best practices for the engineering team. Our engineering process is fully agile and has a really fast release cycle - which keeps our environment very energetic and fun.
What you will do:
- Architect, design and lead the development of key software infrastructure, systems, tools and processes, ensuring high scalability and performance.
- Collaborate with the product and other stakeholders across the company to solidify/ negotiate requirements and feasibility.
- Identify, influence and participate in making technical decisions that have a positive impact on engineering and business as a whole.
- Problem-solving that involves complex interactions, constraints imposed by systems, processes, people and physical goods.
- Drive automated solutions that enable better efficiency and process improvement
- Identify and address performance bottlenecks, collaborate with other team members across functions to innovate/improve current/new products by suggesting improvements to the software system.
- Identify, communicate and implement best practices for the engineering team.
- You will advocate for good, clean, well documented and performing code; follow standards and best practices.
- As a Principal Engineer, you will be additionally responsible for planning and timelines of all projects in your domain
We would love for you to have:
- Education: Bachelors/Masters in Computer Science
- Experience: 7-10 yrs recent hands-on experience of working on scalable systems and a diverse set of products/systems.
- Experience with Java stack. Hands-on experience with development and troubleshooting of services.
- Experience with SQL and NoSQL databases and Hadoop stack.
- Experience in System Design of complex Supply-Chain e-commerce systems, Algorithm design and their optimization is a huge plus.
- Strong working knowledge of any REST-based framework, OOPS, Design Patterns
- Expert level experience in building fault-tolerant and scalable platforms.
- Excellent problem-solving skills
- Strong verbal and written (technical) communication and able to work across teams like Business, Product, Engineering, Analytics, App Engineering seamlessly.
- Ability to deliver great results in an agile development
- Exposure to open-source libraries and frameworks.
- Experience with the full software development lifecycle, design, develop, review, debug, document, and deliver (especially in a multi-location organization).
- Ability and experience in the evaluation and integration of third-party systems and libraries and independent completion of POC. Prior experience in integrating with 3rd party Payment solution (like Stripe) is a plus.
- Passion for performance benchmarking and debugging
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 the Role
As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives.
Responsibilities
- Designing, developing and maintaining core system features, services and engines
- Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of a conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
- Ensure the developed backend infrastructure is optimized for scale and responsiveness
- Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project.
- Introducing new ideas, products, features by keeping track of the latest developments and industry trends
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
Requirements
- Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)
- Proficiency in working on Linux based Operating system.
- Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus
- Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java).
- Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks.
- Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc.
- Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.
- Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming).
- Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
- Experience developing cloud software services and an understanding of design for scalability, performance and reliability
- Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads.
- Proficiency is concepts of monolithic and microservice architectural paradigms.
- Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.
- Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb
- Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus
- Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus
- Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus
- Proficiency in functional programming ( Scala ) languages is an added plus
- Proficiency in working with NoSQL/graph databases is an added plus
- Proficient understanding of code versioning tools, such as Git is an added plus
- Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus
- Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus
- Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus
- Working Knowledge of container orchestration platform like Kubernetes is an added plus



Responsibilities
- Preferred 1-3 years experience as Laravel Developer.
- Proven experience using PHP framework Laravel
- Troubleshooting issues in the implementation and debug builds.
- Writing server-side web application logic, back-end components, connect the application with other web services & support the front-end developers.
- Ability to perform UI/backend tests to optimize performance.
- Guide and Mentor other developers
- Hands-on experience in building and integrating API.
- Hands on experience in backend and frontend technologies.
Requirements:
- A degree in programming, computer science, or a related field.
- Excellent knowledge of PHP MVC architecture and OOP programming style.
- Proficiency in HTML and JavaScript.
- Knowledge of database design and querying using SQL.
- Practical experience using the MVC architecture.
- A portfolio of applications and programs to your name preferred.
- Must be able to fix bugs and errors and develop scalable apps
- Problem-solving skills and critical mind set.
- Ability to lead teams.
- Ability to work individually and handle clients.
Be a part of IOT Product portfolio and execute towards Digital Transformational initiatives.
Prepare design documents in collaboration with product managers and engineering squads
in development of use cases for new features.
Hands on product lead developer expertise in designing solutions running on hybrid cloud
environments.
Work as a Software Lead in application development using Java, JavaScript, Python, SQL and
other latest technologies running on AWS environments.
Drive Engineering activities in Microservices and Cloud based Architecture by leveraging
DevOps efficiencies and adopting new technology stack in AWS.
Drive communication and consistently report accurate product status for stakeholders
Able to lead a team of engineers, help them with technical issues. (80% self-work and 20%
influencing scrum engineers).
Balance time on development projects including Technical Design, Code Reviews, Mentoring,
and training. Able to break down requirements and build traceability in design and
implementation details.
Work with developers to define unit & automated tests and closely monitor development
milestones. Collaborate with scrum team to identify functional, system and end to end
integration of products leading to deployment.
Understand end to end flow in product development and able to prepare design documents
and present to Engineering and Product Leadership team.
Full stack product development experience.
Skills Required :
Bachelor’s/Master’s degree equivalent with strong knowledge methodology and tools.
8+ years working Experience in designing data, keyword driven or hybrid strategies; Ability
to troubleshoot and think out of the box
Experience in CICD pipeline configuration, creation, and maintenance – from build to deploy
to integration.
Experience in writing clear, concise and comprehensive design documents covering
functional and non-functional requirements.
Hands-on experience in large enterprise development in a multi-cloud environment.
Strong expertise over Java, Python language, Databases, experience in web Frameworks like
Django required for backend development.
Experience of working in AWS (S3, Lambda, RDS, Security, ILM and AWS Services).
Experience with Docker and Kubernetes for Container Management and Orchestration by
setting CI/CD Pipelines using Jenkins / Ansible.
Experience with API (REST/SOAP). Experienced in PowerBI, RDBMS, DB Architecture design
and good control over SQL queries.
Experience with any NoSQL Database, Caching and Messaging is a plus. Experience with
Messaging Tool and Caching Frameworks
Strong Understanding of fundamental concepts: Data Structures, Algorithms, OOPs
concepts, Design patterns and Architectures. Experience with Agile programming techniques
such as test-driven development. Design applications to optimize for performance and
usability.



- Hands-on experience in backend programming languages.
- Experience in Python 3.X & Django is a must. Knowledge of .NET, Java, PHP is an added advantage.
- Hands-on experience in front-end technologies like Angular, jQuery, JavaScript, HTML, CSS, SCSS, etc.
- Experience with leading technical teams and acting as a technical mentor.
- Experience in client communication & reporting to the client-side management team.
- Experience in AWS is an added advantage.


► Experience with C++ Windows and Linux operating system is mandatory.
► Sound knowledge of STLs, multithreading.
► Good understanding of OOP, design patterns and their application.
► Know-how on writing applications using the STL and/or BOOST.
► Knowledge of Agile development methodologies (e.g., XP, Scrum) and agile
engineering practices (e.g.TDD).
► Knowledge of Scripting languages such as shell / bash scripts are desired.
► Good knowledge of SVN or any Source control.
► Experienced with unit test frameworks.
► Computer Science (or related) degree.
Desired Skills
► Understanding of capturing functional requirements through use cases, user
stories and personas.
► Experience with test-driven development and test-driven design.
► Willingness to travel to Germany on a Short/Long term basis.
Job Description :
We are currently building a next generation consumer tech product at the intersection of AI ML through Mobile and Commerce. The product requires building proprietary frameworks using latest technologies.
We have an urgent requirement of a Backend Developer/ Fresher/ Intern, who would become core member of our Product Team, is a great problem solver, can learn quickly, and communicate clearly.
Must Have Skill Set :
-
Efficient software development background including design patterns, data structures, test driven development
-
Individual contributor with strong analytical skills, with excellent problem solving abilities. Excellent verbal and written communication skills
-
Should be able to work under tight deadlines and stretch as and when required
-
Self starter with the ability to research solutions independently and solve problems Strong, object oriented design and coding skills, c++/Java on a Linux platform Preferably with internship experience of Product based companies Working on products with strong Knowledge of SpringBoot and REST API frameworks Strong knowledge of Data structures and Algorithms
-
Hands on expertise in Database/Datastores - MongoDB, MYSQL, Elastic Search, Redis and Kafka will be a big plus
Key Responsibility :
-
Tasks will include complete responsibility for application design, code development, testing, deployment and maintenance
-
Develop code as part of an agile team to deliver new features enhancements Design and develop REST APIs
-
Follow approved life cycle methodologies, create design documents, and perform program coding and testing Develop plans outlining steps and time tables for developing programs and communicate plans and status to management
-
Work independently or with minimal supervision and utilize knowledge, experience and judgment to accomplish well defined goals
-
You should be at ease with maintaining cloud instances on AWS and other cloud services
-
You have experience in identifying, debugging and resolving complex production issues End to End ownership of various applications and microservices
-
Architect, design, develop, deploy and operate services that serve millions of users
What You Get :
1. You work with a team of passionate folks who love design and technology 2. Immense learning and growth opportunities in small, multi functional, tightly
knit teams
3. Flexible work timings; 5 days a week
4. Accelerated learning
5. Huge Responsibility early in your career which will come handy in future
6. Ownership and independence
Qualifications :
B.Tech/ MCA in Computer Science or equivalent
About QuHu
QuHu is an audio first content platform where users can create, share & distribute their content and the discovery happens via a feed based on interest graph. We aim to build an audio ecosystem with a global presence consisting of audio-based social networks and audio communities.
At QuHu, we want to cultivate a vibrant and growing online UGC audio community and interactive audio entertainment platform where users are encouraged to create, share, discover and enjoy audio, and experience immersive and diversified entertainment features through audio. QuHu envisions a global audio ecosystem – a place where everyone can be connected through voices and across cultures.
The two pillars around which QuHu is built are:
Users - for whom we want to solve the problem of discovery basis interest (algorithmically driven feed) and provide an impressive experience through audio- bites (short content), live audio, audio rooms & audio games.
Creators - for whom we want to make creation & editing a seamless process through a suite of 'creator tools' like sound mixing, trim, pitch shifter, voicemojis, voice filters, noise reduction, etc & help them monetise
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



