Job Description
Apply only if you have experience in data structure and algorithms. (Data structure and algorithms based questions is a part of the interview)
Experience: 3 + years
Location: Bangalore
Notice Period: Immediate to 20 days
Working: currently WFH
Skills: Core Java developer, hashmap, linked list, array, spring, hibernate, OOPS
Please mention the IT skills worked on.

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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 10 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.
We are looking for a backend developer to be a part of the OneFin engineering team and help us build functional systems and deliver customized software solutions for clients.
https://forms.gle/WrQiW6bZpro7oe6R6
Responsibilities
- Design and implement backend infrastructure and APIs.
- Write high-quality, robust, readable, and scalable code.
- Build responsive, robust, and optimized applications.
Requirements and Qualifications:
- Proficiency in Python, with a solid understanding of Django, Celery, and Redis.
- Bachelor’s degree in computer science, engineering, or a related field.
Software Engineer
Opportunity in this role / Why should you join us?
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 3+ years and above exposure in the art of writing codes and solving problems for large scale
- Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Have a penchant for solving complex and interesting problems.
- BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
- Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with
multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and Responsibilities
- Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit.
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 2022 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.
Company is building a first-of-its-kind, lifestyle health product for Women in
India. We believe that the future of health and fitness is digital, and women will drive the
digital fitness revolution in India. Existing digital health and fitness products are highly
transactional and we see a huge opportunity to build a truly aspirational product that will
inspire and empower millions of women to lead healthier lives. If you are passionate about
building a product that blends together technology, content, and community, we would love
to talk to you.
Engineering:
Company is looking for results-oriented Engineers. An ideal candidate for us would be
a passionate builder of great products/frameworks and someone who would thrive in a
fast-paced environment and enjoy the challenge of complex business contexts that are
typically being defined in real-time.
In this role, you will be responsible for building world-class technology products and
platforms that are at the forefront of the technology revolution in the Indian healthcare
ecosystem. You are someone who insists on the highest standards for quality,
maintainability, and performance. You will be working in a fast-paced and agile work
environment delivering quality solutions that have an immediate business impact.
Responsibilities :
● Research, design and build highly reliable, available, and scalable solutions that can
handle Millions of API calls across systems.
● Own large technical deliverables and execute in a structured manner, complete
ownership of functional Services that your team is responsible for.
● Take the accountability of the overall health of the products you build and
predictability of the deliverables of your team
● Lead by example, mentor and guide team members on everything from structured
problem solving to development of best practices
● Platformize components as libraries, utilities and servicify and promote reuse.
● Be able to conceptualize and develop prototypes quickly
● Drive the technical roadmap of the team in collaboration with Product and Business
Teams.
Requirements:
● BTech, MTech in Computer Science or a related technical discipline (or equivalent).
Or high technical acumen and rich technical experience.
● Deep expertise with any or combination programming languages: Java, Node.js,
Golang, JavaScript, any object-oriented high-level proprietary or open-source
language with strong programming constructs. Substantial experience in building
complex and scalable solutions.
● Strong object-oriented design skills, ability to apply design patterns, and ability to
design intuitive module and class-level interfaces
● The ability to independently lead problem-solving and build elegant, maintainable
solutions to complex problems.
● Experience leading multi-engineer projects and mentoring junior engineers
● Experience with full life cycle development in any programming language on a Linux
platform
● Prior experience in working with Agile software methodologies ( Scrum, Kanban),
TDD, and Continuous Integration(CI/CD) a plus.
● Experience in building data-driven web application design and development is a plus
● Expert level experience in building a scalable, large, and complex business
application using some of the above technologies and mentoring junior engineers.
● Track record of building and delivering mission-critical, 24x7 production software
systems

• Architecture: Knowledge of data structures and an eye for architecture.
• Strong coding/debugging abilities: You have advanced knowledge of at least one
programming language, and are happy to learn more. Either Go or Java
• Distributed Systems: Experience building distributed systems at scale.
• Fast learner:
• A team player:
• Design and business acumen
Basic Qualifications
• 8 years of experience profeciency in Java or Go language and in handling large data systems
• Proficiency in Spark and related big data handling architectures• Proficiency in SQL
Experience Level: 3 to 5 Years
Job Location: Hyderabad
Responsibilities
· Excellent knowledge of Core Java and Spring
· Candidate should have a working knowledge of web services
· Should have worked in the distributed agile model and continuous integration
· Should have knowledge of designing and implementation of REST Web services
· Strong experience with REST API and web services
· Should be efficient with Java J2EE and related technologies.
Essential Requirements
· Strong Core Java and spring.
· Strong RESTFUL web service experience
· Strong SQL (preferably Oracle), JQuery, HTML/CSS, Oracle Restful, SOAP web services
· B. Tech/M. Tech from Tier-1 colleges like IIT, NIT, VIT, BIT
Primary Skill: Java, spring & RESTFUL Web services,











