Backend Engineer

Strong written/verbal communication skills

·       Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

• Strong proficiency in Java programming language.
• Experience with Java frameworks like Spring and Spring Boot.
• Understanding of RESTful APIs and web services.
• Experience with databases and data storage technologies (e.g., SQL, NoSQL).
• Knowledge of software development best practices, including testing and code quality.
• Experience with version control systems (e.g., Git).
• Familiarity with cloud platforms (e.g., AWS, Azure, GCP).
• Strong problem-solving and debugging skills.
• Excellent communication and collaboration skills. 

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

Your Skills & Experience:

•1-8 Years experience of implementing commerce application on any eCommerce platform in last 3 years

• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/.Net and understand REST/SOAP webservices.

•Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality

•Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications

•Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps

•Collaborate with architect to define implementation processes and quality gates and standards

•Identifies risks and issues, and help monitor them

•Guides the development of reference and resource materials

•Mentors developers in improving their platform knowledge and development skills

•Communicate technical design to the developers and help/guide them in the implementation

•Participates in Agile sprints

Looking for candidates only with tier 1 colleges OR have experience in a product-based company.

Desired Skills :

● Experience with data modeling and SQL/NoSQL databases

● Experience with distributed systems and microservices

● Good experience in working with any of Java/SpringBoot, GoLang or NodeJS

● Excellent problem solving and debugging skills

● Passionate about the experience of software engineering as much as the output

● A strong sense of ownership

● Ability to communicate your ideas and approach to solving problems with clarity

Since 1988 Quicken has been the top personal management software for millions of

consumers. We pioneered a radically easier and faster way for people to manage their

household finances. Since then we’ve continued to focus on delighting customers and

making the Quicken product and experience better than ever.

Job Title: Lead Software Engineer-Quicken Cloud Services

Department: Product Development

Job Summary:

Quicken is the #1 personal finance management software with a 30-year heritage of helping

millions of individuals and families stay on top of their finances. We are going through a

transformation, as we recently completed the divestiture from Intuit, with a renewed focus on

product improvement, growth, and customer satisfaction. We are working on a strategy to

deliver awesome personal finance experience to our customers across Windows, Mac, iOS,

Android, and web. This is an opportunity to work in a customer-driven company with a

collaborative team that values technical excellence, innovation and creativity, while being

good to each other and having fun!

We’re looking for an experienced software engineer to be a key contributor developing

cloud- based services that will drive the future of the business. You will join our small and

dynamic Cloud Services team, using the latest technology and tools to build high-quality,

cross-platform solutions that delight our customers. Come make an impact on the technical

future of Quicken!

Responsibilities:

• Lead Software Engineer is a technical hands-on role, with responsibilities ranging

from being at the vanguard of solving technical problems to venturing into

unchartered areas of technologies to solve complex problems.

• Directly responsible for consistently delivering scalable, production-ready backend/

server code in Java for Quicken Cloud Services, from design and development

to deployment, as a member of an Agile development team.

• Partner closely with a cross-functional team of key stakeholders (Engineers,

Architects, Product Managers, QA, Operations, and Business Partners) to

understand requirements, design and implement end- to-end solutions that meet

user needs as well as engineering/operational/business goals.

• Display a passion for high quality, continuous learning, and experimenting and

applying cutting-edge technology, software paradigms, and engineering process

improvements, while fostering this culture across the team.

Qualifications:

• 7 - 10 years of software engineering experience, including a successful track record

developing customer-facing SaaS/PaaS products.

• 3+ years working experience in core Java and Spring Framework, preferably with

Spring Cloud Netflix.

• 3+ years working experience within microservice architecture, specifically utilizing

REST services, XML, and JSON.

• Excellent programming discipline: data structures, complexity analysis, objectoriented

principles, design patterns, and unit testing.

• Experience with API development and integration with 3rd-party services is

preferred.

• Excellent understanding of O/R mapping concepts and tools (Hibernate, JPA).

• Fluent in Databases/SQL (MySQL experience preferred).

• Extensive experience in developing applications which are deployed in AWS. AWS

experience is a big plus.

• Team player with can-do attitude to independently own and drive projects.

• Strong experience working with an Agile development team with rapid iterations.

• Ability to work well with others in a geographically distributed team.

• Exceptional verbal and written communication skills.

• BS/MS in Computer Science/Engineering or equivalent

What we offer:

• Competitive salary and performance bonus

• Equity

• Amazing culture, strong believers in Autonomy/Mastery/Purpose

• Customer-driven, we make money by building the best products for our users. No

confusion about how to win – build amazing products!

• Ability to work with and manage incredible talent

• Highly recognizable brand in US

What will you do?

• You will be responsible for the design and development of large-scale, multi-tenant, distributed systems using scalable, fault-tolerant architecture with distributed queues (kafka), distributed caches (redis), high volume data stores (MongoDB, Cassandra, elasticsearch), container-centric deployments (kubernetes).
• Write Java codes using best practices with high quality standards.
• Participate in code reviews and deep dive into design discussions.