Core Java Developer - Data Structure/Algorithm

About Us:

Developed in formal collaboration with the University of Cambridge in May 2000, HeyMath! is an Ed-Tech company whose mission is to Raise the Game in Maths for school systems around the world. We do this using technology to deliver engaging teaching methodologies and personalised learning paths for students. HeyMath! has been successfully adopted by CBSE schools since 2004, with positive outcomes for the entire ecosystem.

Check us out at www.heymath.com

We plan to work mainly from home in 2021 and the virtual office atmosphere is collegiate, informal and friendly, with small high-impact teams making a difference to customers.

What we are looking for:
Experience in building and re-engineering cloud based solutions on AWS.
Strong knowledge of Object Oriented Programming(OOPS) and design patterns is a must.
Hands-on development on Spring MVC framework.
Experience working on Java 8 or above.
Must have very good knowledge of RDBMS such as MySQL and performance tuning of the same.
Exposure to server-side and client-side caching mechanisms.
Ability to debug the applications and provide instant workable solutions.
Experience working on Elastic Search / Kafka / Kubernetes or all is a nice to have.

We are looking for people that take quality as a point of pride. You will be a key member of the engineering staff working on our innovative FinTech product that simplifies the domain of finance management.

 

At Zeni.ai, we provide an AI-powered finance team with a real-time dashboard to manage all the finance functions for startups on one platform - bookkeeping, yearly taxes, bill pay & invoicing, financial projections & budgeting, employee reimbursements and more.  We are headquartered at Palo Alto, California plus engineering lab in Pune too.  The founders of Zeni are Snehal Shinde and Swapnil Shinde (Twins), they are serial entrepreneurs and Zeni is their third startup.  Before Zeni, they built Mezi.com that they sold to American Express at $120 million in merely two years.  Zeni is very well funded too and it can be disclosed when we talk.

 

The details about this position are as below:

• You must be or like to be a Jack of all
• Design and build fault-tolerant, high-performance, scalable systems
• Design and maintain the core software components that support Zeni platform
• Improve the scalability, resilience, observe ability, and efficiency of our core systems
• Code using primarily Python.
• Work closely with, and incorporate feedback from, product management, platform architects and senior engineers.
• Fail fast, fix fast. Rapidly fix bugs and solve the problems
• Proactively look for ways to make Zeni platform better
• Speed, Speed, Speed - must be a performance freak!

• E. / B.Tech in Computer Science.
• 2yrs to 5 yrs of commercial software development experience
• You have built some impressive, non-trivial web applications by hand
• Excellent programming skills in Python (Object Oriented is a BIG plus)
• Google App engine experience a huge plus
• Disciplined approach to testing and quality assurance
• Good understanding of web technologies (HTTP, Apache) and familiarity with Unix/Linux
• Good understanding of data structures, algorithms and design patterns
• Great written communication and documentation abilities
• Comfortable in a small, intense and high-growth start-up environment
• You know and can admit when something is not great.
• You can recognise that something you've done needs improvement
• Past participation in Hackathorns a big plus
• Startup experience or Product company experience is MUST.
• Experience integrating with 3rd party APIs
• Experience with Agile product development methodology
• Good at maintaining servers and troubleshooting
• Understanding of database query processing and indexing are preferred
• Experience with OAuth
• Experience with Google Cloud and/or Google App Engine platforms
• Experience writing unit tests
• Experience with distributed version control systems (eg: Git)

As the Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.

What you will do:

• Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
• Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
• Developing the Code as per the requirements
• Working with product team and constructing the tech roadmap
• Designing, building and scaling the company's backend microservices
• Maintaining code integrity and organization
• Applying all quality requirements to make the code production ready
• Developing and deploying new features to facilitate related procedures and tools if necessary
• Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
• Designing and building efficient, reusable, and reliable Java code
• Pro actively catching and fixing bugs, and providing support for the back end services
• Managing servers and infrastructure by keeping the lights on and refining the deployment architecture

 

What you need to have:

Job description 

• Lead design, development, implementation and maintenance of applications & back-end  services demonstrating service-oriented architecture. 
• Design, build, test, and maintain scalable APIs, services, and systems within the  platform. 
• Choose the right Data Structures, tools, and tech stacks and do high-level design with guidance. 
• Build, develop, mentor, review code and coach junior team members. 
• Extensive programming experience with cross-platform development: Java/SpringBoot,  Javascript/Node.js, Express.js or Python 
• Extensive knowledge of ElasticSearch, MongoDB or Cassandra, Redis, SQS and data  streaming (Spark, Flink, Kafka streams, storm, etc.). 
• Well versed in Kafka Understanding cloud native technologies such as Docker and  Kubernetes, capable to cover full development lifecycle including CI/CD 
• Experience in use of source code management system like GIT, bitbucket and build tools  like ant, maven, Gradle or make. 
• Take great pride in Code quality and developer productivity. 
• Put in Microservcies architecture in place that paves road for scalability, efficiency,  observability, and availability. 
• Build (and open source) data processing, storage and fetch systems at the petabyte scale  with the lowest cost/GB while still responding in milliseconds at the 99th percentile. 
• Write algorithms and services to influence personalisation and recommendation from a  real-time recommendation engine for both home feed to surface most viral videos +  video e-commerce 
• Build machine learning pipelines using Kinesis,Spark/Flink/TensorFlow etc 
• Agile methodologies, Sprint management, Roadmap, Mentoring, Documenting, Software  architecture 
• Proven experience in handling large infrastructure and distributed systems Liaison with Product Management, DevOps, QA, Client and other teams Your Experience Across The Years in the Roles You’ve Played 

Requirement:

• Have total or more 7 - 9 years of experience with 2-3 years in a startup. Have B.Tech or M.Tech or equivalent academic qualification from premier institute. Experience in Product companies working on Internet-scale applications is preferred 
• Thoroughly aware of cloud computing infrastructure on AWS leveraging cloud native  service and infrastructure services to design solutions.
• Follow Cloud Native Computing Foundation leveraging mature open source projects  including understanding of containerisation/Kubernetes. 

We Value Engineers Who Are :

• Customer-focused: We believe that doing what’s right for the creator is ultimately what  will drive our business forward. 
• Obsessed with Quality: Your Production code just works & scales linearly 
• Team players. You believe that more can be achieved together. You listen to feedback  and also provide supportive feedback to help others grow/improve. 
• Pragmatic: We do things quickly to learn what our creators desire. You know when it’s  appropriate to take shortcuts that don’t sacrifice quality or maintainability 

Chingari Benefits 

The glory. Almost too much responsibility. 

A fun-life balance 

A ticket on our rocket ship to the moon. �� 

 

Job Title: Senior Java Developer

Department: Technology and Research

Reports to:  Technical Lead

 

Context

Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com)  is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.

We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.

Come and join us!   

 

Role Description

We are looking for a Senior Java Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications, and your roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

 

Job Responsibilities:

• Work with and direct the team’s software engineers in setting the standards for coding, testing and software quality
• Collaborate closely with the team’s BAs on the efficient transition of BDD’s and Swaggers to the engineers as part of the overall workflow.
• Oversee and manage the scope, timeline, and goals forth delivery of working software
• Oversee and assist in the production of comprehensive documentation
• Oversee and provide support to production cutovers and migrations as required
• Lead the analysis and resolution of technical and application problems
• Supporting the Scrum Master
• Participate in and support backlog grooming, sprint planning, daily stand-ups, reviews, retrospectives, release planning, demos and other Scrum related meetings
• Provide clear reporting on the status of the scope, timeline and progress for the delivery of working software
• Assist in setting up a robust out of hours support process
• Assist in the prioritisation of bugs and defects
• Providing Guidance and Mentoring
• Participate in peer reviews of solution designs and related code
• Provide technical leadership to the teams’ software engineers through coaching and mentorship
• Identify and encourage areas for growth, education and development within the team

General

• Self-Starting Leader capable or working under pressure
• Curious and engaged in Continuous Learning and Professional Development
• Strong DevOps experience
• Java and Spring Developer with +5 years’ experience with the following skills
• Java 1.8+
• Spring
• Microservices with Spring-boot
• Spring cloud config
• Unit tests with Spring-boot
• Docker
• Openshift/Kubernetes
• Basic understanding of API gateways
• OpenAPI (Swagger) specification.

Understanding of basic networking concepts

• Integration into backends via various protocols (SOAP,REST, XML-RPC etc) 
• CI/CD (Jenkins, pipelines etc)

The following additional skills would be advantageous:

• Spring reactive
• APIGEE
• Azure DevOps
• Pivotal Kubernetes
• Linux
• Azure Pipelines

Looking for a Java Technical Architect/ Java architect with experience between 10 to 14 years.

Candidate must have experience  in Java technologies along with SpringBoot and Microservices.
Must have experience in Cloud Technology - AWS.
Must have experience in Angular 4 or above version.

Note: 1. Candidate must be ready to work in night shift.
          2. Looking only for Tamilnadu based candidates.

Myntra’s Engineering team builds the technology platform that empowers our customers’ shopping experience and enables the smooth flow of products from suppliers to our customers’ doorsteps. We work on areas such as building massive-scale web-applications, engaging user-interfaces, big-data analytics, mobile apps, workflow systems, inventory-management etc. We are a small technology team where each individual makes a huge impact. You will have the opportunity to be part of a rapidly growing organization and gain exposure to all the parts of a comprehensive ecommerce platform.

You will be a part of: Supply Chain Management (SCM)

Myntra-Jabong Supply Chain Management systems form the backbone of our core business and customer experience. Any business runs on a simple construct of Demand (Consumer) and Supply (Producer). However, a set of complex and intricate methods, processes and systems connect the demand with supply in a deterministic and predictable way. These methods, processes and systems collectively form the Supply Chain for the business. The multi-billion-dollar Myntra-Jabong business fundamentally rests on a set of highly scalable, robust and intelligent Supply Chain Management systems that solve real-world problems of predicting the demand from millions of our customers, for a combination of millions of products from our product catalogue, and intelligently connecting that demand to thousands of national and international sellers or suppliers using a set of advanced homegrown tech products that we build and manage.

SCM engineering employs new-age technologies such as Distributed Computing constructs, Machine Learning, Deep Learning, Computer Vision, Artificial Intelligence; scalable data stores in Mongo, Redis, Cassandra, MySQL, Elastic Search, Solr; scalable programming constructs in Node.js, GoLang, Java; JavaScript, Python, and new-age frameworks such as ReactJS and ReactNative to solve some of the hardest problems in the e-commerce business
with world-class software products.

The SCM engineering at Myntra-Jabong operates within two distinct verticals: Supply-chain Outbound (Fulfilment systems) & Supply-chain Inbound (Selection systems, Partner experience).

Your Responsibilities:

● Own the architecture of Myntra’s new product platforms to drive business results
● Be a visible leader to drive and own the architecture and design of some of the most advanced & complex software systems / products in the industry to create company wide impact.
● Help build, mentor and coach a team of very talented Engineers, Architects, Quality engineers, System Operation Engineers and DevOps engineers in architectural and design best practices.
● Be an operational and technical leader with a passion for distributed systems, cloud service
development, deployment and delivery.
● Be accountable for the design, for the ease of evolution, quality of the systems, performance, scaling, and availability characteristics and limitations of the systems.
● Envision and develop the long-term architectural direction, with emphasis on platforms/ reusable components while adopting a nimble delivery process. Establish structures and processes that ensure a high level of quality and reliability and extensibility of deliverables.
● Drive the creation of next generation extensible web, mobile and fashion commerce platforms, security protocols, customisation and tools to support continuous scaling, internationalization and platform extensions
● Drive code and design reviews of components / systems / products in scope and drives the
architectural governance for them
● Set directional paths for the teams/department for adoption of new technology stacks for solving business problems
● Be a very visible representative of multiple technology domains and represent Myntra in external technical forums
● Work with product management, business stakeholders and other engineering leaders to help define mid-term, long-term roadmaps and shape business directions
● Initiate and deliver leadership training within the engineering organisation, including training new managers, and drive the growth of leaders to create a strong leadership bench

Desired Skills and Experience

● 12 - 16 years of experience in software product development
● Must have a degree in Computer Science or related field
● A solid engineer at heart with excellent abstraction, coding and system design skills
● Proven track record of leading the architecture and delivery in a startup/e-commerce ecosystem within a high growth & matrix environment
● Successfully architected and led technology for consumer-facing products in the global market along with being an efficient proficient problem-solver who envisions business and technical perspectives to develop workable solutions
● Must have exposure to leading product development end-end (portfolio to delivery, re-architectures)
● Strong hands-on technology experience building and running large scale systems handling
multi-million sessions/transactions per day
● Solid experience in large scale Database systems like RDBMS & NoSQL stores
● Strong design/development experience in building massively large scale distributed internet systems and products
● Excellent programming skills in Java/GO and expertise in multi-threading and performance-oriented programming
● Solid experience in Distributed systems, highly scalable products, performance & reliability
● Excellent understanding of processing platforms and queues
● Experience and knowledge of open source software, frameworks and broader cutting edge
technologies around server-side development in Java
● Strong understanding of object-oriented programming, concurrency and fundamentals of
computer-science

Whom are we looking for? Our groundbreaking technology, requires highly skilled and talented Web Backend Developers to understand the depth of the problem and device a solution for it.We are seeking a Software Engineer, with a depth of experience in developing Web Applications enabled using REST APIs backed by a data warehouse solution, to join our growing company and be a part of our success story. We are looking for individual with great attention to detail, who is genuine, confident, committed and not only passionate about technology, but excited to work in a fun and friendly start-up environment. The ideal candidate will be passionate about technology and getting things to work while at the same time being able to mentor (and lead) other engineers by way of example to achieve excellence in their work.What does the role involve? As a Web Backend Software Engineer you will be responsible for creating REST APIs which are used to drive the User Interface. Given the nature of the application, these APIs needs to be very efficient and high performing. This requires optimising queries for faster execution and introducing database changes that may be required.You would be working with a complex technology stack which includes (but is not limited to) Spring, Hibernate, HornetQ, Quartz, etc. This requires extensive understanding of transaction management and data handling across different application layers.In addition to the technical ownership, you will also be involved in detailing requirements for requested functionalities and be responsible for providing technical insight into how requirements will be implemented and made available to users. Accurate estimation of tasks and planning are qualities we look for in our engineers.Responsibilities include:Develop, test, implement and maintain application softwareTake part in software and architectural development activitiesTransform requirements into implementation detailsDebug application issues and helping support respond to client queriesParticipate in application development meetingsProvide accurate estimates, clearly communicate status of tasks and identification of risksCommitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problemPerformance tuning of application code at different service levels Incorporate design changes to improve performance of the applicationInteract with customers of the application and help address issues reportedInteract with customers of the application and collect requirements or potential uses cases and draft technical and user requirementsESSENTIAL SKILLS / EXPERIENCE REQUIRED:Minimum Bachelor's degree in Computer Science or equivalentMinimum 2+ years experience with Java and J2EE/Java EEMinimum 2+ years experience with Spring MVC, Spring Security and HibernateStrong understanding of relational database and normal formsStrong understanding of SQL concepts and ability to write optimised and high performing queriesStrong understanding of Java concurrency, concurrency patterns, experience building thread safe codeExperience building RESTful web servicesExperience with web application servers like JBossStrong written and verbal communication skillsStrong interpersonal skills and time management skillsStrong problem solving and analytical skillsExperience using task tracking systems e.g. Jira and distributed version control systems e.g. GitDESIRABLE SKILLS / EXPERIENCE:Understanding of testNg/JUnitUnix/Windows shell and related command line toolsExperience in Continuous Integration and deployment tools such as JenkinsExperience with database partitioning and column IndexingExperience with query optimisation techniquesWhy work for us?Above market remunerationStimulating challenges that fully utilise your skillsWork on real-world technical problems to which solution cannot simply be found on the internetWorking alongside other passionate, talented engineersHardware of your choiceOur fast-growing company offers the potential for rapid career progression

Responsibilities:
1. Design, develop and deliver web services and jobs that powers Niki, India's first transactional bot.
2. Write code that are clean, testable, performant, scalable, documented and secure
3. Design and architect new sub-systems, idenity perf bottlenecks and suggest design/architect improvements
Qualifications:
1. Minimum of 4 years of software development experience prefrably developing e-commerce applications
2. Bachelor’s and/or Master's degree in Computer Science or related field of study
Preferred Qualifications:
1. Fluent in Java or any other object oriented programming languages
2. Knowledge of Design patterns and design principles
3. Experienced in delivering REST style web services 
4. Significant experiences in asynchronous and multi-threaded programming
5. Strong CS fundamentals with good hold on DS and Algo.
Good to have:
1. Knowledge of Spring
2. Experience with AWS, Azure or Google Cloud

Expert in Design & development in Java. Good exp. in High end design. Individual role.