• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep 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
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), 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.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem

About Olacabs.com
About
Connect with the team
Similar jobs
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

We are seeking a highly skilled Backend Developer to join our team and contribute to the development and improvement of both our customer-centric SaaS platform and internal systems. As a Backend Developer, you will be responsible for designing, implementing, and maintaining the server-side logic of our application, ensuring high performance, scalability, and security.
As a Backend Developer with expertise in Java, and PostgreSQL, you will play a critical role in developing and maintaining the backend infrastructure of our SaaS and internal platforms, ensuring its reliability, scalability, and performance. Join our team and be a part of building cutting-edge software solutions that empower our customers and drive business growth.
Responsibilities:
- Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
- Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
- Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
- Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
- Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
- Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
- Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
- Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
- Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
- Familiarity with SaaS concepts and architecture.
- Experience with API design and development, including RESTful APIs.
- Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
- Experience with version control systems, such as Git.
- Strong problem-solving and analytical skills, with keen attention to detail.
- Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
- Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory.
Qualifications:
- A Bachelor’s degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation and accolades are a plus
Job Role:
- 4+ years of object-oriented Java / J2EE development
- Full SDLC experience (requirements gathering, architecture, development, QA, etc)…
- Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- Experience with SOAP / REST web services
- Knowledge of SQL
- Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
- Must have worked on any one messaging solutions
- Bonus Points for micro service design and development experience
- Bonus points for any mobile development experience
- Used Agile methodology
- Bonus Points for experience working on Unix, shell scripting & Build Systems
- Experience in performance optimization is an added advantage
Humancloud Technologies is a leading digital technology and innovation partner
transforming businesses across the globe through its services and solutions.
We believe in helping our businesses stay ahead of the curve by enabling them to
leverage the new-age technology services of Blockchain, IoT, Cloud and Experience
Design. We, at Humancloud, have nurtured ideas from validation to production
and shaped them into scalable businesses.
An experienced IIT Delhi alumni leadership coupled with a team of talented and
supportive peers look forward to your onboarding.
Job Description: Java Developer
We are looking for an experienced Java Developer who will work closely with the
technical lead to identify and establish best practices in the company.
Requirements & Responsibilities :
● Design and develop features using Core Java, Spring Boot, and Hibernate
● Ability to design database schema, develop views and stored procedures
● Participate in user story grooming, design discussions and proposal of solutions
● Maintain existing software systems by identifying and correcting software defects
● Practice standard development processes leveraging agile methodologies such as
SCRUM and TDD
● Review and analyze business requirements and provide technical feasibility and
estimates
● Manage development/support functions etc
● Excellent in OOPS concepts, system design
● Strong knowledge of Core Java, Spring, Hibernate and Microservices
● Hands-on experience in DB design, SQL, UI Technologies like HTML/CSS,
JavaScript, jQuery, etc.
● Good knowledge of design patterns
● Excellent knowledge of JSP, Servlets, WebServices, JUnit
● Experience in Agile software development
● Familiarity with JIRA, GIT, Maven
● Experience in working directly with a client
● Good knowledge in requirement gathering, analysis, and designing
Desired Qualification and Experience :
● Minimum undergraduate in Computer Science, MCA or Statistics from a Tier 1/Tier
2 academic institution
● Minimum 3 years of professional experience as a Java developer
● Excellent written, verbal communication, and client-facing skills
● Exceptional analytical and problem-solving skills
● The ability to quickly grasp new concepts and learn new technologies
● The traits of a self-motivated, independent, detail-oriented, and responsible team
player.
Why Join Us:
Are you inquisitive? Are you someone who believes in facing the odds with the
determination to drive ideas forward? Then, Humancloud Technologies is the place
for you.
At Humancloud Technologies, we are committed to fostering a culture of innovation,
integrity, passion, courage and empathy. We believe in human potential and the
numerous ways it can serve humanity through adopting technology. If you share a
similar belief, then we welcome you to join us.
For Further Information:
Visit our website: www.humancloud.co.in
Follow us on social media: LinkedIn
Roles and Responsibilities:
Experience in application components using Spring Boot.
Should possess application development experience in Java 7/8, Spring Framework, Spring Boot
Design and develop micro services/APIs using either Java/Spring boot. · Experience working in Agile environment and good understanding of Agile processes.
Good in any front end technologies like React JS
Experience in AWS
Knowledge of Application Server like Tomcat, Testing frameworks like JUnit Skills:
Spring Boot, Swagger, Tomcat , Maven, Jenkins, Git, Postman, kubernetes, Docker, Hibernate.
Strong knowledge on both SQL and NOSQL Databases. ·
Possess excellent communication and interpersonal skills and can articulate your ideas to different stakeholders.
Proficient understanding of code versioning tools, such as Git.
Experience in working as a team to design, document, develop, test, implement and maintain modular, multi-tier large Java applications.
Great interpersonal and communication skills



• Should have a B.Tech / M.Tech / MCA in CS / IT / IS from premier college with 6+
years of experience in software development.
• Strong OOPS and OOD Fundamentals.
• E-commerce domain experience of 2-3 Years is mandatory.
• Good Coding, Problem Solving Skills, algorithms and data structures.
• Knowledge of My SQL database or any other RDBMS with a good understanding of
SQL language.
• Prior experience in web technologies is a plus.
• Ability to work on UNIX / Linux platform.
• Good Communication & Interpersonal Skills.
Job Description :
• You will be involved in all phases of development : architecture & design,
prototyping, implementation & testing, analysis & documentation, deployment.
• Capable of independent full systems design, including requirements gathering,
specifications, and coding.
• Knowledge in performance, scalability, enterprise system architecture, and
engineering best practices.
• Take the product/feature idea from the conceptualization phase to delivery with all
the relevant high-quality artifacts during the cycle.
• Flexibility and collaboration, coupled with strong object-oriented design & software
development skills are keys to success in this position.

DeepSource is working on building tools that help developers ship good code. There are over 40 million developers in the world, and all of them write and review code in some form. There’s a massive opportunity to impact how software is built right from where the code is written using automation and intelligence, that not only improves developer productivity but also increases software’s robustness.
The Language Engineering team works on the source code analyzers, including both programming languages and configuration-as-code systems. As a member of the Language Engineering team, you will work on building the best, most comprehensive, Scala analyzer in the world. You will add new rules and Autofixes for finding more issues with code and automatically fixing them. You will be involved with the community to understand the problems with static analysis tools in the Scala ecosystem.
As a member of the Language Engineering team, you will:
-
Identify bad code practices in Scala and write new analyzers to detect them.
-
Improve the coverage of automatically fixable issues.
-
Ensure fewer false-positives are reported by the analyzer.
-
Work on the internal tools that support analysis runtimes.
-
Contribute to open-source static analysis tools.
We’re looking for someone who has:
-
Strong foundational knowledge in Computer Science.
-
At least 3 years of professional software development experience in Scala and Java.
-
Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
-
Familiarity with Scala best practices followed in the industry.
-
Native experience with Linux/Unix environment.
-
A focus on delivering high-quality code through strong testing practices.
We offer competitive compensation with meaningful stock options, a generous vacation policy, and a workstation of your choice, to name a few of the perks.
1. Work as part of a software development team
2. Good working knowledge with Core & advance java
3. Understanding of Spring & hibernate frameworks
4. Write code per app specifications in Java with Spring and Hibernate Framework.
5. Should have worked on front end technologies.
6. Good understanding of MySQL database ,Should be able to design database
7. Test to ensure designs are in compliance with specifications
8. Should be able to design authentication service
9. Good experience in Java Spring,Angular 5,Web APIs
10.Analyze user requirements to determine how to translate into Java
11.Should have knowledge about third party authentication like Facebook login, google login and Twitter login along with push notification and payment gateways
12.Write well designed, testable, efficient code and make sure designs are in compliance with specifications
Skills and Experience preference :
- 0.6 to 3 years of overall experience in software development with any degree in Computer science or related subject.
- Strong in Core Java, J2EE, RMI, Web services.
- Competent JSP, Struts, SQL, OOPs and ORM technologies (hibernate).
- Strong understanding of design patterns and multithreading.
- Experience on working in high performing development teams using agile/ scrum methodologies and Tools; various code versioning systems, such as SVN.
- Ability to multi task and switch context to changing priorities in a high dynamic environment and proficient in troubleshooting skills, especially in complex application stacks.
- Experience in Test Driven Development and mobile platform is added advantage
Good exp in data structures, Java, algorithms, and in design, design patterns.
Exp-2-8yrs
Location- Bangalore, hyderabad, pune, gurgaon.
Regards
sanchita



Job Description:
Requirements:
- BS in Computer Science, Computer Engineering, Electrical Engineering, Mathematics or a closely related computer technical field with 3+ years experience programming with at least one of the following languages:Java, C++, C#, Python, Go, or Perl;
OR
- MS in Computer Science, Computer Engineering, Electrical Engineering, Mathematics or a closely related computer technical field 2+ years experience programming with at least one of the following languages: Java, C++, C#, Python, Go, or Perl.
ALSO
- Minimum 3 years of experience building applications using at least one of the following: web application technologies including: HTML, CSS, or Javascript; OR Databases, for example: Mysql, Mongo, ora similar program; OR a collection of systems connected and communicating via a network connection
- Minimum 1 year of experience mentoring more junior Engineers
- Significant experience with large scale, high-performance systems

