Software Developer

Java Developer – Job Description

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 to 12 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: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

A B.Tech/M.Tech in Computer Sc, a SDE should have 1-3 years of experience in SW solution development. We are specifically looking for a SDE who:

• is highly proficient in Java Coreand Spring boot applications including making high quality, highly performing code under JVM environment. 
• has good working knowledge in design of n-Tier databases (Postgres, NoSQL DBs e.g. Cassandra/MongoDB)
• has worked in agile development environment under open source gitlab including testing, change management
• is highly proficient in OOD, extensibility, usability, understand data pre-processing
• has exposure to full life cycle of product implementation and deployment of enterprise products driving a subsystem including development under gitlab or github.
• [Desirable] Ability to optimize an ML solution for accuracy and scale
• [Desirable] has experience in working with Advanced Java

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 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. 
• Working Knowledge of container orchestration platform like Kubernetes
• 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  

Position : Senior Java Backend Developer

Job Location: Navi Mumbai / Bangalore / Hyderabad / Pune

Job Description :

At least 5 years of professional experience in developing backend applications using Java

- Proficiency in using Spring Boot, Hibernate, RESTful APIs, microservices and other modern web technologies

- Experience in working with relational and non-relational databases such as MySQL, MongoDB, Redis etc.

- Exp on Azure Cloud.

- Experience in using DevOps tools such as Docker, Jenkins etc.

- Knowledge of GraphQL and how to use it with Java

- Knowledge of best practices and principles of software engineering such as SOLID, design patterns, code quality, testing etc.

- Familiarity with agile methodologies such as Scrum or Kanban

- Ability to work independently and as part of a team

- Excellent communication and problem-solving skills

Job Description :

- We are a Fintech Company based in Pune, a B2B Trade Digitization platform for SMEs and Corporates to collaborate and work with Financial Institutions to raise short term fundings for payables and receivables financing.

- We are thus well placed to help Corporates and their Supply Chains to meet their GST needs.

Technologies :

- The platform is built using a polygot technology stack 

- Platform Backend : JVM 

- Web Layer : ReactJS and related ecosystem, HTML, Javascript, CSS, Bootstrap 

- API & Business Layer : Kotlin and functional programming 

- Client Apps and Customer Integrations: Kotlin, Jersey ReST Framework, home grown optimized HTTP and SQL libraries 

- Mobile Apps: Android, iOS 

- Database : MySQL - JVM - Hibernate & Exposed as ORM library - Python - SQLAlchemy as ORM library 

- Build Tools : Gradle, Shell Scripting, AWS Code Build, Jenkins

- Ops Automation : Ansible, Terraform 

- Servers : Ubuntu Linux 

- Version Control : GIT 

- Test Automation : Python - unittest, pyhamcrest, freshen, nose. JVM - Junit, Kotlin Test 

- Cloud Providers : Amazon AWS, Linode

Requirements :

- We are a self organized engineering team with a passion for programming and solving business problems for our customers.

- We are looking to add 2 members in our team having hands on technical experience of 2-6 years.

- We encourage our team to continuously learn new technologies and apply the learnings in the day to day work even if the new technologies are not adpopted.

- We strive to continuously improve our DevOps practices and expertise to form a solid backbone for the product, customer relationships and sales teams which enables them to add new customers every week to our financing network.

As an engineering team member, you will :

- Work collaboratively with product, customer support and DevOps team to build, enhance, maintain, deploy and operate our systems. 

- Continuously automate operational processes to improve efficiencies and productivity and enhance customer experience 

- Work closely with the architect to continuously refactor the system architecture and design to meet the changing landscape triggered by technology changes and business growth 

- Work with the DevOps team to build and maintain tools for deployment, monitoring and operations. 

- Ensure that development processes and deliverables always adhere to the mandates laid down for various certifications (PCI and ISO 27001 in particular)

Skills required :

- Pre-requisites : Competent in Java, database, HTML, Javascript, CSS 

- Should be passionate about technology and ready to deep dive into programming 

- Should have sound expertise of writing testable code and appreciate defect free coding 

- Should be willing to handle Ops automation and production support 

- Should be able to reason/argue/discuss/suggest solutions and alternatives

- Should be able to decipher the core problem to be solved during discussions with product team and/or customers 

- Should have good communication skills and experience working in teams

- Knowledge of Python will be an added advantage

- Experience of working in financial domain will help but not a necessity

• New features developed independently with the ability to document the design after understanding and evaluating the requirements with necessary groundwork on required application components
• Hands-on coding to implement the design for feature completion
• Able to write unit tests that ensures bug free code
• Able to handle the multi-tenant and performance requirements of the new features and applications.
• Integrate the new features with existing modules, deliver ready to use code meeting necessary build requirements and CI/CD requirements.
• Work with other functional groups for product, technology, QA, tech support and deployment team.

‍

The ideal candidate must have the following qualifications.

• BE/B.Tech Degree from a reputed institution with at least 7 years of relevant experience
• Hands-on experience with Core Java, J2EE with a good knowledge of its ecosystem
• Experience with JUnit, JMH like performance tuning test tools preferred
• REST API design and development experience. Usage of Swagger or other API spec tools would be preferred. Working knowledge on Spring Boot is a plus
• Hands-on experience with some of the following application components is a plus: Solr, Kafka, OpenTSDB, Elasticsearch, Janus graph or any graph DB.
• Experience with databases such as MongoDB, MySQL or PostgreSQL required.
• Familiarity with continuous integration and build tools such as Jenkins or CircleCI, Maven, Ant required
• Experience building applications using microservices architecture is highly preferred. Knowledge of Kubernetes, Docker would be ideal
• Working knowledge on public clouds like AWS or Google cloud or Azure is a plus
• Experience building scalable systems
• Strong problem solving skills and ability and interest to solve complex problems
• Interest in machine learning (ML) data science is a plus

Paytm is looking for hands-on technologists, who will be responsible for architecting & designing new age mobile & web 3.0 products at Paytm.

Key Responsibilities

• Incumbent will be architecting our futuristic mobile & web 3.0 products and choose the best technologies, components and subsystems on different server side tech.
• Driving innovations in the product constantly to remain ahead of the curve.
• Serve as a thought leader and mentor on technical, architectural, design and related issues.
• Proactively identify architectural weaknesses and recommend appropriate solutions.
• Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
• Collaborate with cross functional teams to solve complex problems and building products spanning across multiple teams to deliver end-to-end products & features.
• Estimates efforts, identify risks, devises and meets project schedules.
• Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
• Mentor / coach engineers to facilitate their development and provide technical leadership to them. 

Skills required

• MS or BS/B.Tech in computer science or equivalent experience from top college.
• Strong software design/development experience in building massively large scale distributed internet systems and products.
• Should have experience leading small teams.
• Hands-on experience in Advance Java and frameworks, Multithreading, collections and MySQL/NoSQL, golang, etc.
• Excellent data structure & algorithm and problem solving skills.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
• Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs).
• Superior organization, communication, interpersonal and leadership skills.
• Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
• Must be a self-starter who can work well with minimal guidance and in fluid environment.

ABOUT ZYCUS:

Headquartered in Princeton, U.S. in 1998, Zycus has grown every day to be established as an organization which now is a leading global provider of complete Source-to-Pay suite of procurement performance solutions.

We develop cloud-based (SaaS) https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fsolution%2Fprocurement-performance.html">Source-to-Pay solutions for large global enterprises, and have successfully deployed about 200 solutions to over 1000 Global clients. We are proud to have as our clients, some of the best-of- breed companies across verticals like Manufacturing, Automotive, Banking and Finance, Oil and Gas, Food Processing, Electronics, Telecommunications, Chemicals, Health and Pharma, Education and more. 

With a team of 1000+employees, we are present in India with 3 development centers at Bengaluru, Mumbai & Pune and offices in the https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcareers%2FUS-Careers.html">U.S., U.K., Australia, https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-expands-middle-east-presence-with-new-location-in-dubai.html">Dubai and https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-continues-global-expansion-with-new-office-in-singapore.html">Singapore, Amsterdam. 

https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcompany%2Fcareers.html">Know more about the LEADER of: https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FGMQ2017">Gartner’s 2013, 2015 & 2017 Magic Quadrant for Strategic Sourcing Application Suites and https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FThe-Forrester-Wave-eProcurement-Q2-2017-Zycus-Named-a-Leader">The Forrester Wave™: eProcurement, Q2 2017

1. Involvement in the full software development life cycle with stringent needs on (i) time to market, & (ii) quality of product - functional and non-functional aspect.
2. Ownership of complex software architectures, operational metrics, and running the day to day business operations.
3. Designing and defining the interaction between the different components and teams.
4. Work closely with peers and product managers to develop great technical design and approach for new product development.
5. Definition of, and compliance with, a world-class build/release and configuration management process.

This position will report in to Director of engineering & the roles & responsibilities are as below: 

1. Identify the technologies that would be used for the product.
2. Recommend the development methodology and framework for the project.
3. Provide the overall design and structure to the application.
4. Ensure that the product is adequately defined & documented.
5. Establish design/coding guidelines and best practices, and drive usage of design patterns.
6. Enforce compliance with coding guidelines using code reviews etc.
7. Build solution which is easily configurable, deploy-able and secure in SaaS environment.
8. Responsible for planning product iterations & releasing iterations on schedule.

   The Applicant with a total experience of 10-20years, should have hands-on development experience in Core Java and J2EE with proven expertise in writing application architecture and core design ground up with sound algorithmic thought process enabling bullet-proof application performance in terms of key drivers like security, load, scalability, etc.

   Skills and Technologies:
   1. Versatile experience with delivering highly available services on multiple technology stacks in traditional data centers, public clouds, and private clouds.
   2. Core Java, J2EE, Spring, Hibernate, JMS/Rabbit MQ/Kafka, Web-Services, Oracle, MSSQL, JSP-Servlets, , Design Patterns.

   Nice to have: New edge technology (Hadoop, AWS, Spark, RabbitMQ etc)

   Team mentoring:

   1. Mentor developers for difficult tasks & provide technical advice and guidance to the Tech Leads.
   2. Guide the team is doing POCs and early risk assessments.

      Leadership Abilities:

      • Optimize & effectively manage resources and time of the team members.
      • Identify, track and mitigate risks to the product
      • Should not hesitate to carry out healthy and constructive confrontation with team members, peers and managers for the benefit of Product.
      • Along with a competitive compensation structure, Zycus believes in an open culture learning environment, where everyone gets a chance to share their ideas and deliver par excellence.