1. Design, develop and deliver web services and jobs that powers Niki, India's first transactional bot.
2. Write code that are clean, testable, performant, scalable, documented and secure
3. Design and architect new sub-systems, identity perf bottlenecks and suggest design/architect improvements
Qualifications:
1. Minimum of 5 years of software development experience preferably developing e-commerce applications
2. Bachelor’s and/or Master's degree in Computer Science or related field of study
Preferred Qualifications:
1. Fluent in Java or any other object oriented programming languages
2. Knowledge of Design patterns and design principles
3. Experienced in delivering REST style web services
4. Significant experiences in asynchronous and multi-threaded programming
5. Strong CS fundamentals with good hold on DS and Algo.
Good to have:
1. Knowledge of Spring
2. Experience with AWS, Azure or Google Cloud

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Java Developer – Job Description
Wissen Technology is now hiring a Java Developer 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 consultancy.
Required Skills:
• Exp. - 4 to 9 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.
Skill set Key words
Java17, Java Spring Boot, Kubernetes/AKS/Docker(Knowledge), Microservices, (MongoDB/DynamoDB)
Role and Resposbilities :
• Hands on experience in Java back-end development and skills with Spring-boot framework
• Real life experience with Continuous Delivery principles and related tools (Kubernetes, AKS, Docker)
• Expertise with Microservices design
• Understanding of the Design Patterns, Architectural Blueprints, UML and Application Design
• Experience in stateful application and web sessions
• Experience with MongoDB, DynamoDB
• Excellent communication skills and an ability to work in a team
▪ Highly focused individual with a self-driven attitude
▪ Advanced speaking and writing skills for effective communication
▪ Ability to work in cross-functional teams demonstrating a high level of commitment and coordination
▪ Attention to details and commitment to accuracy for the desired deliverable
▪ Should demonstrate and develop a sense of ownership towards the assigned task
▪ Ability to write reusable, testable, and efficient code
▪ Ensuring step-by-step deliverables are met as part of product development
▪ Ability to take up quick objectives and execute them within a short period
▪ Ability to keep sensitive business information confidential
▪ Contribute, positively and extensively towards building the organizational reputation, brand and operational excellence
Background Of The Candidate
▪ 4-8 years of experience as a Python Developer
▪ Hands-on knowledge of Django with Postgres SQL and web scrapping is a must
▪ Strong knowledge of OOPS and Python is a must
▪ Knowledge of design/architectural patterns will be considered a plus
▪ Experience with code versioning tools, such as Git / Mercurial / SVN
▪ Experience working in an agile development environment with a strong focus on rapid software development
▪ Comfortable with working in Unix/Linux, AWS, Azure and similar cloud technologies
▪ Excellent troubleshooting and debugging skills
▪ Strong communication skills to collaborate with designers, developers, and other relevant staff members or clients
▪ Proven ability to complete the assigned task according to the outlined scope and timeline
▪ Graduate or Post-graduate from a reputed college or university
As a Principal Software Engineer with Treebo, you’ll have the opportunity to own and deliver
product(s) that will help Treebo accomplish its goals. The engineering team is at the fore front
of implementing new technologies in order to gain a dominant foothold in the Hospitality
industry. You will design and deploy scalable, high performance, multi-tenant systems. You will
interact with other engineering teams and contribute back to the open source tech community.
Responsibilities
● Owns team's output and E2E definition and execution of SDLC. Drives sprint
planning, estimates & prioritizes tasks, Keeps key stakeholders updated on
progress, milestones and any potential slippages.
● Identifies pitfalls across code bases proactively. Writes model code that is looked
up to. Understands internals of programming languages & runtimes. Creates
common reusable components / libraries- Uses advanced data structures.
● Designs API contracts between large systems with end to end service design and
active leadership towards long term sustainability including versioning, complex
migration plans, impact analysis across products.
● Owns NFRs and pushes the envelop on performance, scalability and high availability
with cognisance towards cost of infra. Drives tech stack selection independently,
mentors junior engineers. Evangelises of generic platform building across the
organisation.
● Troubleshoots unseen issues across codebases. Solves large end to end cross
cutting problems with elegant solutions with an eye on long term sustainability.
● Partners with and influences product managers on “how”. Leads the pack on hiring
and evangalizes steeper hiring standards towards building A+ team. Represents
treebo on external platform / conferences.
Qualifications:
Bachelor's Degree in Computer Science or similar discipline
● 7+ years relevant work experience in software engineering while leading teams.
● Proficiency in more than one modern programming language such as
Python/Java/C++ & associated tech stack to write maintainable, scalable,
unit-tested code
● Experience in building complex software systems that have been successfully
delivered
● Deep understanding of design patterns, optimizations, deployments with a Strong
object oriented design skills
● Experience mentoring other software engineers.
● Experience with full life cycle development in any programming language
You will get to own and build world-class, stable, secure and scalable solutions
Ownership, trust and flexibility comes with the job and you are expected to consistently raise the bar in terms of technical proficiency and quality of code.
You will get to work with a highly experienced team in a very informal, yet results-oriented environment
You should think consumer-first and have the ability to work in a dynamic and fast-paced environment
You will actively participate in defining stable and scalable engineering processes to meet the demands of a fast growing team.
3+ years hands-on application development experience in Python, Django, Flask & NodeJS
Highly proficient in SQL and NoSQL databases and Redis.
Should have a strong hands-on working knowledge on AWS services like EC2, S3, Route53, SES, SQS, SNS etc.
Should have successfully built and deployed complex and resource efficient backend APIs that work flawlessly at scale
Should be willing to take on responsibility and ownership and should be highly motivated and fun to work with :)
Experience in working at fast-paced startups is a big plus!
If you have the knowledge, experience and hunger to make a positive impact, we’d love to meet you.
As a Senior Software Engineer you have complete ownership of building out the Docexa product along with product people and the rest of the engineering team. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.
Your daily life
- Architecting of the whole platform
- Development of server-side logic
- Building new services and APIs
- Developing core business logic
- Maintenance of current APIs
- Improving the performance and reliability of our systems as we scale
Must-have skills
- You’ve been building web applications professionally for 4+ years
- You’re proficient in PHP 7, Laravel, and PostgreSQL
- You possess strong OOP and design pattern knowledge
- You are familiar with modern technology systems: AWS, load balancers, Kafka queues, caching, etc.
- You write understandable, testable and easy to maintain code
- You’ve the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- Experience in Web and Mobile Applications
- Agility and ability to adapt quickly to changing requirements and scope and priorities
- Experience in Java, Python.
- Deep understanding of data structures and microservices.
- Knowledge of Node.js
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Familiarity with front-end technologies
- User authentication and authorization between multiple systems, servers, and environments
- Interaction with multiple data sources
- Good understanding of SQL
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git .
Key Responsibilities:
- Lead a full product development lifecycle from ideation, design, development, to roll out and support
- Own the delivery of multiple features of the product end to end while hands-on in development as well
- Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure)
Role and Qualifications:
- 7+ Years’ of experience, managing teams of 5+ people
- Must have excellent programming, debugging and scripting skills with a solid understanding of Object Oriented Design principles.
- Proficiency in at least two of the following: Java, NodeJS, Go, JavaScript, Python programming stacks, and passion for software engineering and craftsman-like coding prowess
- Knowledge of software practices like refactoring, clean code, domain driven design, Encapsulation etc
- Hands on experience managing databases like MongoDB, Cassandra, Redis.
- Exposure to event driven systems and event streaming engines like Kafka
- Good knowledge of DevOps tooling like docker, kubernetes, ansible/chef, AWS.










