Java 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. - 4 to 7 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. 

Responsibilities include:  

• Develop and maintain data validation logic in our proprietary Control Framework tool 
• Actively participate in business requirement elaboration and functional design sessions to develop an understanding of our Operational teams’ analytical needs, key data flows and sources 
• Assist Operational teams in the buildout of Checklists and event monitoring workflows within our Enterprise Control Framework platform 
• Build effective working relationships with Operational users, Reporting and IT development teams and business partners across the organization 
• Conduct interviews, generate user stories, develop scenarios and workflow analyses  
• Contribute to the definition of reporting solutions that empower Operational teams to make immediate decisions as to the best course of action 
• Perform some business user acceptance testing 
• Provide production support and troubleshooting for existing operational dashboards  
• Conduct regular demos and training of new features for the stakeholder community 

Qualifications  

• Bachelor’s degree or equivalent in Business, Accounting, Finance, MIS, Information Technology or related field of study 
• Minimum 5 years’ of SQL required 
• Experience querying data on cloud platforms (AWS/ Azure/ Snowflake) required 
• Exceptional problem solving and analytical skills, attention to detail and organization 
• Able to independently troubleshoot and gather supporting evidence  
• Prior experience developing within a BI reporting tool (e.g. Spotfire, Tableau, Looker, Information Builders) a plus  
• Database Management and ETL development experience a plus 
• Self-motivated, self-assured, and self-managed  
• Able to multi-task to meet time-driven goals  
• Asset management experience, including investment operation a plus 

• 3+ years of experience in the Development in JAVA technology.
• AWS or cloud Experience
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem-solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

About Us

At Toddle, we are on a mission to help schools around the world deliver better learning. We are a team of 2x founders – before founding Toddle, we set up a network of preschools and schools in India. We continue to operate these preschools and schools as it gives us a unique vantage

point into the challenges faced by schools.

Our belief is that real impact in education can only be achieved by improving schools. That’s because children spend more than 80% of their learning time in school and schools are here to stay as schools are not just about teaching & learning, they also play a pivotal social role in our lives. So while most Edtech companies are trying to solve for education by working outside the school system, we think that the focus needs to be on taking our schools to the next level.

Our first product is a collaboration platform for teaching teams – we say that Toddle is to teaching, what Figma is to design. In its current version, Toddle empowers teachers to work together and better across all stages of the teaching-learning process – right from curriculum

planning and assessments to progress-tracking and family communication.

Here are some key facts about us:

1. Currently used by 1,000+ schools and 30,000+ teachers from 107 countries

2. Global revenue – 40% from Americas, 30% from EMEA, 30% from APAC

3. NRR > 115%

4. NPS > 70

5. Annual churn < 5%

6. Inbound led GTM motion fuelled by positive word of mouth

We love solving for

1. Creating delightful experiences that help teaching teams collaborate better & be more effective

2. Building tools that help teachers personalise learning for their students

3. Helping teachers around the world connect with each other meaningfully

We are at a series A stage right now, growing fast in the SAAS Ed-tech space, and have been funded by Sequoia, Matrix, Beenext, and Better Capital among others.

Here’s what you’ll be doing

We are looking for a passionate and skilled Backend engineer, one who partners with us in creating beautiful products for teachers, students and parents alike. As a Backend engineer, you will play a major role in designing, developing and deploying high-quality web platforms. In

this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.

Required Skills:

Frameworks & Technologies: Node.js, Express, GraphQL, JWT

Database: SQL query writing and optimisation.

Tools: Git basics, Scripting basics

Good to have:

DevOps experience with AWS, CI/CD

Working experience in PostgreSQL

Is this someone that looks like you?

• Education: B.E/B.Tech degree

• Experience: 1 to 3 years of relevant working experience (SaaS preferred)

• Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills

• We deeply value building the right culture at Toddle, and these are a few things that we look for in each hire - Coach-ability, Curiosity, Ownership, Hustle and Humility

Excited about the role?

Here are a few more benefits:

1. Work from anywhere - Work from where you like - home, co-working space, cafe or the hills

2. Exposure to diverse learning opportunities

Work across different projects & teams to develop skills outside of your core expertise

Access to a small budget towards learning (e.g. books, online courses, substacks)

3. Uncapped leave policy

We trust you fully on your commitment to our mission and your judgement on planning your time and taking leaves:

No cap on the number of sick or casual leaves

Special paid leaves for childbirth, wedding etc.

And if in any circumstance you feel burnt out - there is a little something for this too!

No questions asked menstrual leave

4. Flexible working hours - Block “no-meeting hours” to enable uninterrupted focused work

5. No bell curve performance evaluations

6. And yes, a super fun and smart group of folks to collaborate and grow with.

Still with us? Here’s the process:

1. Shortlisting:

• Apply for the role.

• We’ll check out your application and assess it for a fit

• You will hear back from us within 2-3 days of the submission if shortlisted

2. Once shortlisted, we usually do about 2-3 rounds of interviews, a written assignment, and deep reference checks.

3. We value everyone’s time hence we make it a point to communicate proactively at all stages of your application. You can always reach out to us for any questions.

• Collaborate with teams to develop and support the smooth 24x7 operation of our service.
• Create prototypes and proofs-of-concept for iterative development.
• Stay updated with emerging tech cultures and implement them in production systems.
• Develop scalable, long-term strategies to aid the company’s 10X growth.
• Ensure content quality and consistency of the brand.
• Reduce technical debt with quality coding

• BTech degree in computer science or related field.
• 4-10 years of relevant work experience.
• Strong knowledge of any of the databases like MySQL, NoSQL, SQL Server, Oracle, PostgreSQL.
• Experience in Java and web technologies.
• Experience in scripting languages like Python, PHP, etc.
• Hands-on experience with systems that are asynchronous, RESTful and demand concurrency.
• Knowledge of best software engineering practices for all stages of software development life cycle

Dot is a technology start-up, operating in Fintech and e-commerce space. With the aim to
revolutionize offline-to-online(O2O) space, Dot strives to enable digital transformation of Offline businesses using smart innovations. This is a huge market, serving the 1.3 billion strong Indian population.

The start-up is led by a strong and experienced team. It has already raised seed funding of ~US$ 35.5 Million from renowned investors.

To know more, head over to: www.dotpe.in

About the Founders
The company is led by an experienced team, three ex-PayU employees - Shailaz Nag, Gyanesh Sharma & Anurag Gupta, with proven expertise & knowledge of the fintech space as well as experience in building & managing companies.

Shailaz Nag is a well known visionary entrepreneur. He was ex-Managing Director and co-founder of PayU, (India’s largest and profitable Payment Company) which is currently valued at US$ 3 Billion. He was also one of the founding members of Ibibo Group. Shailaz Nag is a Chartered Accountant and also holds an MBA degree.

Gyanesh Sharma is an IIT Delhi alumnus, holding a B.Tech. degree in Computer Science. He has strong experience in leading tech teams, holding position of
● CTO at Shopclues
● Head of engg. at PayU
● Engg. Head at MakeMyTrip

Anurag Gupta has a decade long experience in building financial services business. He was Vice-President & Business head at PayU for Omnichannel business. He also headed Bank & Product Partnership for PayU.

Investors
Dot has raised seed funding of US$ ~35.5 million from
● Naspers Fintech (PayU) -
○ $120bn group with global presence. Listed in London, Johannesburg, Amsterdam
○ Presence in India : MMT-Goibibo, PayU, Flipkart, Swiggy, Byju’s, OLX
○ Global Presence : Tencent - WeChat, OLX
● Fosun RZ Capital
○ Affiliate of Fosun Group - A $100Bn Chinese conglomerate
○ Presence across global growth markets
● Info Edge
○ Parent company of naukri.com, jeevansaathi.com, 99acres.com, shiksha.com
○ Listed on NSE & BSE with a market cap of INR 27,000 crore
○ Major investor in zomato.com & policybazaar.com

Products
At Dot, we are solving the key problems that lie at the heart of Offline businesses by equipping them with commerce and fin-tech products. We are building a horizontal Omni-channel platform encompassing several Products all aimed at empowering all types of merchants, big or small, with Digital Technology. Whilst strengthening the merchants, our products also aim to direct this digital transformation towards improving the customer journey.
Our initial Product line-up has already garnered attraction from several renowned enterprises as well as significant interest from every medium and small-scale merchant we touch. And this just marks the start of our journey!

About Profile
Responsibilities
• Understanding the business requirement and provide good scalable solution
• Integration of user-facing elements developed by a front-end developers with server side logic
• Completely owning the backend services of a module
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Our stack is ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS

Skills and Qualifications
• Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
• A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
• Experience with building and scaling apps with RDBMS as well as NoSQLs.
• Experience creating scalable Web APIs for mobile and browser consumption
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Have a penchant for solving complex and interesting problems
• Worked in start-up culture with high levels of ownership and commitment
• Excellent coding skills – should be able to convert design into code fluently
• Engineers from Tier 1 colleges

Job Description

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

Key Responsibilities

 Incumbent will be architecting our futuristic mobile &amp; 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 &amp; 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.

 3+ years of strong software design/development experience in building massively large scale

distributed internet systems and products.

 Hands-on experience in Advanced Java/ Node.JS/other backend JavaScript

frameworks, MySQL/NoSQL, golang, etc.

 Excellent data structure &amp; algorithm and problem solving skills.

 Experience and knowledge of open source tools &amp; 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.