Senior Backend Developer

1. Core java (60%), spring (15%), and databases (15%).
2. Data structure (HashMap, treemap, arraylist, linklist),
3. Streaming concepts (partitioning), Junit
4. Exception handling and workflow, Test coverage (why its important, how it gets handled at
java and spring layer, morckito library if the candidate knows that would be great),
5. OOPS concepts (inheritance),
6. Threading (mutex, threadpool, threading implementation, singleton factory, builder pattern,
abstract)
7. Real world problems (atleast 1 to be asked in IAAS interview) (movie ticket booking, parking
booking), To be asked to only selected candidates: Puzzle (probability/)
8. Memory management: Garbage Collection (GC), Heap dump, Thread dump, apache, google
library.
9. Spring frameworks and database. Data lakes, star lakes, schemas, indexing, partitioning,
optimize query, hibernate.
10. Data warehouse vs nosql vs time series database (KDB, DB2), data storage patterns.
11. Types of transaction control. Column level.
12. Query formation, grouping, nested queries, joints (inner joints, outer joints)
13. If candidate has spring exp: Architecture and various layers of Spring, coupling concepts,
dependency injections, inheritance, Bean level, JMS connection pooling concepts, Lambda,
Annotation vs XML, Kafka, Hibernates.
14. Good to have AI/ML inclination.

Bifurcation of Must have and good to have skills:

Must have skills Good to have skills

Core java (60%), spring (15%), and databases
(15%).

Mockito library

Data structure (HashMap, tree map, array list,
link list)

Threadpool

Streaming concepts (partitioning) Memory management
Exception handling Lambda, Annotation vs XML, Kafka, Hibernates
OOPS GCP or any cloud technology
Threading (singleton factory, builder pattern) AI/ML inclination
Real world problems (movie ticket booking,
parking booking)
Spring frameworks and database (indexing,

partitioning, layers of Spring, JMS connection)
Data warehouse vs NoSQL vs time series
database
Junit

Kunato.AI is a NY-based IT firm helping to create the first marketplace that monetizes digital content on the internet (i-commerce). We have patented our technology - a quantitative deep tech system that predicts, assigns, and updates the value of any digital content in real time without the need for human intervention. Our system has the potential to create a new digital goods marketplace that will revolutionize the way we consume, create and search for content on the Internet.

 

We are looking for a Rust Developer (with 2-6years of experience) to join our cutting-edge development team as it grows. The candidate must be comfortable working in an agile environment and has the ability to take the lead when necessary.

 

Roles and Responsibilities:

• Responsible for developing the product as per the product specification defined by the product managers
• Responsible for preforming research on the best methods of implementing the requirements
• Author and curate technical documentation to support delivery, maintenance, and adoption
• Work with programmers, engineers, and management heads to identify process improvement opportunities, propose system modifications, and devise governance strategies to optimize the overall performance
• Design and develop automated deployment and maintenance mechanisms
• Solving development challenges and making architectural decisions by understanding the larger picture of the projects goals
• Expanding your existing skill-set, and picking up on various rust dependent frameworks
• Confidently communicating and collaborating with your fellow developers in a remote team environment

 

Essential skills:

• Must have experience in Rust programming language
• Have excellent knowledge of different data structures and algorithms
• Working knowledge of any other programming language Python, Java, or JavaScript is good to have
• Experience with, or understanding of, Kafka or Redis, Cloud infrastructure services, Docker is an added advantage
• Experience with SQL or NoSQL databases, MySQL, MongoDB, Elasticsearch, etc.
• Experience in Backend and APIs development
• Experience in analysing and optimizing the platform’s performance
• Excellent verbal communication skills

Areas of responsibilities:
 Involvement in the full software development life cycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs  Design and defining the interaction between the different component pieces  Write efficient code based on brief given by team lead.  Fast prototyping of proof-of concept features / application based on brief.  Develop and maintain new features on Java stack  Own the delivery of an entire piece of a system or application  Management and execution against project plans and delivery commitments  Work closely with the peers and Leads to develop the best technical design and approach for new product development  Build software solutions for complex problems.  Compliance with build/release and configuration management process  Responsibility to develop unit test cases for his/her project module.  Execution of appropriate quality plans ,project plans ,test strategies and processes for development activities in concern with business and project management effort
Desired Profile:
 Good understanding of Object Oriented Programming Concepts, hands-on knowledge on Java stack (Spring/Hibernate)  Development across multiple browsers/platforms on Website  Good Understanding of SQL/NoSQL data stores  Fair Understanding of Responsive High Level Designs  Work experience in product/start-up company is a plus  Familiarity to MVC, SOA, RESTFull web services  Work with other teams and manage time across multiple projects and tasks in a deadline driven, team environment  Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/JQuery front-end code across a broad array of Interactive web  Understand agile methodology and instill best practices into the proce

We are looking for software engineers with 3+ years of solid Software engineering experience involving solving complex problems. They will get to work on some of the key initiatives planned to support our rapid evolution and growth and in the process solve some of the most challenging problems. These engineers will provide the technical leadership to the team, drive best practices, mentor other engineers and drive continuous improvements in engineering excellence.

Products@DataWeave:
We, the Products team at DataWeave, build data products that provide timely insights that are readily consumable and actionable, at scale. Our underpinnings are: scale, impact, engagement, and visibility. We help
businesses take data driven decisions everyday. We also give them insights for long term strategy. We are focused on creating value for our customers and help them succeed.

How we work
It's hard to tell what we love more, problems or solutions! Every day, we choose to address some of the hardest data problems that there are. We are in the business of making sense of messy public data on the web. At
serious scale! Read more on Become a DataWeaver

What do we offer?
- Opportunity to work on some of the most compelling data products that we are building for online retailers and brands.
- Ability to see the impact of your work and the value you are adding to our customers almost immediately.
- Opportunity to work on a variety of challenging problems and technologies to figure out what really excites you.
- A culture of openness. Fun work environment. A flat hierarchy. Organization wide visibility. Flexible working hours.
- Learning opportunities with courses, trainings, and tech conferences. Mentorship from seniors in the team.
- Last but not the least, competitive salary packages and fast paced growth opportunities.

Roles and Responsibilities:
● Build a low latency serving layer that powers DataWeave's Dashboards, Reports, and Analytics
functionality
● Build robust RESTful APIs that serve data and insights to DataWeave and other products
● Design user interaction workflows on our products and integrating them with data APIs
● Help stabilize and scale our existing systems. Help design the next generation systems.
● Scale our back end data and analytics pipeline to handle increasingly large amounts of data.
● Work closely with the Head of Products and UX designers to understand the product vision and design
philosophy
● Lead/be a part of all major tech decisions. Bring in best practices. Mentor younger team members and
interns.
● Constantly think scale, think automation. Measure everything. Optimize proactively.
● Be a tech thought leader. Add passion and vibrancy to the team. Push the envelope.

Skills and Requirements:
● 5-7 years of experience building and scaling APIs and web applications.
● Experience building and managing large scale data/analytics systems.
● Have a strong grasp of CS fundamentals and excellent problem solving abilities. Have a good understanding of software design principles and architectural best practices.
● Be passionate about writing code and have experience coding in multiple languages, including at least one scripting language, preferably Python.
● Be able to argue convincingly why feature X of language Y rocks/sucks, or why a certain design decision is right/wrong, and so on.
● Be a self-starter—someone who thrives in fast paced environments with minimal ‘management’.
● Have experience working with multiple storage and indexing technologies such as MySQL, Redis, MongoDB, Cassandra, Elastic.
● Good knowledge (including internals) of messaging systems such as Kafka and RabbitMQ.
● Use the command line like a pro. Be proficient in Git and other essential software development tools.
● Working knowledge of large-scale computational models such as MapReduce and Spark is a bonus.
● Exposure to one or more centralized logging, monitoring, and instrumentation tools, such as Kibana, Graylog, StatsD, Datadog etc.
● Working knowledge of building websites and apps. Good understanding of integration complexities and dependencies.
● Working knowledge linux server administration as well as the AWS ecosystem is desirable.
● It's a huge bonus if you have some personal projects (including open source contributions) that you work on during your spare time. Show off some of your projects you have hosted on GitHub.

Requirements: Experience in PHP or Python is preferred but if you're an awesome coder in some other language we're sure you can pick up PHP/Python when you join. Understanding of MySQL, noSQL, OOP design, AJAX, jQuery. Excellent knowledge of Laravel framework and experience building factories/facades/libraries using abstract classes, interfaces, traits. Experience with AWS, Architecture Design and Web development. 3-5 years of relevant experience Passionate about working in a startup and creating a great product Must be able to show us projects and or websites that you have created. Bonus points if you’ve created these projects/websites outside of your work (we love seeing proof of how much you love technology and coding). Must love to program, must be willing to learn, and must be creative. If you are the type of person who finds learning a new technology or language an exhilarating experience, this is the place for you. Responsibilities : Working alongside front end developers, designers and other backend developers creating cutting edge applications Delivering programming solutions for a variety of challenging and exciting projects Testing applications to ensure they meet users' expectations Integrating third-party APIs Deliver outstanding projects within tight deadlines

Tech Lead - JavaMumbaiAbout : LogiNextLogiNext is a cloud-based logistics and field service optimization company with core expertise in automated delivery scheduling, route optimization, live tracking of resources, and delivery validation.Using advanced machine learning algorithms, LogiNext enables its clients with omnichannel capabilities creating a seamless delivery experience for all the customers. Using automated delivery automation and dispatch for increased efficiency, route optimization to avoid local traffic hassles, live tracking of resourcesfor operative responsiveness, and delivery validation for complete transparency, LogiNext helps companies process same-day and even two-hour deliveries.LogiNext has more than 200 enterprise clients including many satisfied retail and e-commerce players in North America, Middle-East, South and Southeast Asia. It has also been heralded by multiple platforms as being one of the fastest growing SaaS companies in the world.The true growth hackers, who paved way for this success are the people working exceptionally hard and adding value to our organisation. Our brand ambassadors - that's how we address our people, bring unique values, discipline and problem-solving skills to nurture the innovative and entrepreneurial work culture at LogiNext. Passion, versatility, expertise and a hunger for success is theMantra chanted by every Logi-Nexter!About the Role :- LogiNext is looking for a technically savvy and experienced technical architect to serve as the lead, and mentor for a growing team of strong developers. - You will help the team grow in size and skills, optimizing their code while working on your own. - With your technical expertise you will manage priorities, deadlines and deliverables, identify and mitigate the risks. - You will design and develop the products that exceed client expectations in terms of value and benefit.- You have deep expertise in building secure, high-performing and scalable systems in Java. - You have successfully managed complex and cross discipline Big Data projects in the past. - Your design intuition inclines towards usability, elegance and simplicity. - You have successfully shipped applications with beautiful front-end and intelligent backend. - You have demonstrated strong interpersonal and communication skills.Responsibilities :- Lead end-to-end design and development of cutting-edge products- Work with product management and engineering team to build highly scalable products- Keep an eye out for open source projects and technology trends that can be introduced in the products- Be hands-on, adopt practical approach to software and technology- Work closely with development team to explain the requirements and constantly monitor the progress - Suggest improvements in systems & processes and assist technical team with issues needing technical expertise- Create technical content such as blogs, technical specification documents and system integration requirements documentsRequirements :- Master's or Bachelor's in Computer Science, Information Technology, Info Systems, or related field- 7+ years of relevant experience in designing and developing scalable and distributed enterprise applications- Expertise in common frameworks like Spring, JPA, RESTful Web Services, etc. and managing and optimizing data stores such as MySQL, MongoDB, Elasticsearch, etc- Experience in front-end tools and technologies (HTML5, CSS, JavaScript, jQuery, etc) and Geographic Information System (GIS) is preferred- Experience in building the configuration details for installation, deployment and configuration of cloud automation solutions on AWS- Strong foundation in computer science, with strong competencies in data structures, algorithms and software design- Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership- Excellent written and oral communication skills, judgment and decision making skills, and the ability to work under continual deadline pressure

We are hiring Intern for massmailer.io which is a Salesforce appexchange app company. Location: Chennai