Senior Backend Developer

JOB DESCRIPTION

Experience: 4-8 years

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. - 4-8 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.

We are looking for an experienced Backend Engineer with strong expertise in Kubernetes internals, control-plane development, and Golang-based microservices. If you enjoy building scalable infrastructure components and working with modern cloud-native technologies, this role is for you.

Key Responsibilities

• Design and implement Kubernetes controllers/operators and define new Custom Resource Definitions (CRDs).
• Develop REST and gRPC APIs for platform components and services.
• Contribute to Kubernetes management plane development and enhancements.
• Build and maintain microservices using Golang (1–2 years of hands-on experience required).
• Work with virtualization and container platforms such as KubeVirt, OpenShift, and similar technologies.
• Collaborate with engineering teams to design scalable infrastructure solutions.
• Use AI-assisted development tools such as GitHub Copilot or Augment (nice to have).

Required Skills

• Strong experience with Kubernetes internals, especially controller/operator implementation.
• Experience defining and managing CRDs.
• Hands-on development experience with Golang microservices.
• Experience building and consuming REST and gRPC APIs.
• Exposure to virtualisation technologies (KubeVirt, OpenShift, etc.).
• Prior work on Kubernetes management plane components or similar distributed systems.

Good to Have

• Experience working with AI-driven development tools.
• Exposure to cloud-native environments, containers, and orchestration technologies.

·       3+ yrs of experience in product development (Preferring SaaS based)

·       Must have experience in Java web-based application development

·       Hands on development experience on Java/J2EE, Springboot, Spring, Struts, Hibernate, REST Services

·       Experience on HTML, JavaScript, JQuery

·       Hands on experience on database-writing queries/procedures

·       Experience on SVN,GIT,

·       Knowledge of Server configuration

·       Knowledge of cloud preferably AWS

•Hands on experience in Object oriented programming

•Hands on experience in Java, SpringBoot (min 2 years) or kafka or Cassandra or MongoDB

•Experience with developing/enhancing applications connecting to different Databases : Oracle/MySQL/Cassandra/MongoDB

•Strong knowledge of common Data structures and algorithms and when to use them.

•Experience in Xpath or XML or REST or JSON or protobuff

• Experience with software version control (such as git)

•Experience in working in an agile environment such as Scrum.

Preferable:

•Experience in public cloud PaaS (AWS, GCP, Azure)

•Real time stream data handling (Kafka, Kinesis

We are looking for experienced Odoo Developers with good development skills in Python. Candidates should have hands-on experience in end to end implementation of the custom modules in Odoo.

RESPONSIBILITIES:

• Develop and deploy ERP/ web applications using OpenERP/ Odoo.

• Customize/ develop various modules such as Accounting, POS Sales & CRM, inventory, Purchasing, , Invoice, Website, Google map, Warehouse, MRP, HR, etc.

• Customize various modules and integrate services/ products ranging from payment gateways to hardware devices with Odoo.

• Understand Functional requirements from clients. Provide GAP analysis and transform them into technical requirements.

• Functional knowledge of ERP modules like Accounting, Stock, CRM, Inventory, HR, Sales, Purchasing, Manufacturing, E- Commerce, and Payment gateway.

• Experience in Migrations, Odoo end user training.

• Knowledge of OOP concepts, SQL, HTML and JavaScript.

• Experience in hosting on AWS or other cloud service providers

• Ability to understand client requirements and translate them into business solutions.

• Develop and deploy ERP modules from scratch

• Adopt new and emerging technologies to provide solutions to client needs. Cater to time difference need

• Identify technical issues and provide solutions

• Testing support.

• Develop and customize reports based on client s specifications in the modules like Accounting, Inventory, Manufacturing and HR. Work on Odoo's internal BI reporting tool for live reports

• Skills

• Strong familiarity with the Odoo framework is mandatory.

• Should have a solid knowledge of Python and programming concepts. Contribution for Open Source Projects will be advantageous.

• Good problem solving and analytical skills

Education:

• Bachelor's (Preferred)

Role Description

The SDE 2/3 will be part of the engineering/development team in Games24x7 Pvt. Ltd. and will be responsible for taking ownership of the core products of the company. The applicant must have good communication, interpersonal, technical and analytical skills in order to take part in the collaborative and cooperative development process that delivers the high quality software we use to provide the best possible playing experience to our players. He/she must be an expert in the Java programming language and needs to be familiar with popular IDEs, tools and scripting languages on the Linux operating system. Familiarity with an RDBMS, preferably PostgreSQL, is essential to succeed in this position.

General Accountabilities/Job Responsibilities:

• Participate in the requirements analysis, design, development and testing of applications.
• Write clean and efficient code and stay hands-on with it.
• Write high level code, code review, unit testing and deployment.
• Ensure practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contribute to the development of project estimates, scheduling, and deliverables.
• Work closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• Take up the opportunities to mentor and guide junior team members in excelling their jobs.

Requirements:

• B.E. /B.Tech. in Computer Science or MCA from a reputed university.
• 3-12 years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
• Hands on experience in core Java, multithreading, RMI, socket programing, JDBC, NIO, webservices and design patterns.
• Knowledge of distributed system, distributed caching, messaging frameworks, ESB etc.
• Experience in Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database
• Additionally, knowledge of HBase, Hadoop and Hive is desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Experience as a participant in agile methodologies.
• Excellent written and verbal communication skills and presentation skills.
• This is not a fullstack requirement, we are looking for a purely backend expert.

• 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
• Have built applications capable of serving high volume with low latency in production
• Following practices of agile development with continuous integration/deployment
• Experience in deploying applications in AWS cloud
• Knowledge in building applications for Fintech/payments domain is a bonus
• Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
• Self-starter, hustler, and a desire to achieve greatness is a MUST
• Immediate joining preferred
• You will have the flexibility to design the application and systems from the ground up.
• Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.

We are looking for a passionate Software Engineer to design, develop and install software
solutions. You will form part of a team that will build infrastructure to revolutionize the way
real-estate transactions work in India.
We are looking for a solid Rockstar engineer who can hack around multiple technologies and
build highly scalable, low latency, distributed systems with RESTful services, the latest frontend
MVC frameworks, native apps for android & IOS, and part of building core front-end frameworks.
The pace of our growth is incredible – if you want to tackle hard and interesting problems at
scale, and create an impact within an entrepreneurial environment, join us!

Job Responsibilities:
Execute full software development life cycle (SDLC)
Develop flowcharts, layouts, and documentation to identify requirements and solutions
Write well-designed, testable code
Produce specifications and determine operational feasibility
Integrate software components into a fully functional software system
You will build robust secure and scalable micro-services to power the NoBroker platform for end customers.
● You will be contributing to NoBrokers customer success cloud and enable data-driven
decisions using bots, machine learning & artificial intelligence algorithms.
● You will be responsible to implement RESTful services with metric-driven KPIs. You will
be working closely with other team members to develop world-class reusable UI
components.

Primary Requirements:
B.Tech/B.E. from a reputed college or related technical discipline with 2+years of hands-on
experience in the following Technology and programming methodology :
● Proven work experience as a Software Engineer or Software Developer
● Experience designing interactive applications
● exposure in building RESTful APIs, Hands-on working experience with the Scalable and
fault-tolerant application.
● Working experience with databases like SQL and NoSQL (MySQL, MongoDB,
Redis, and elastic search)
● Provenance experience with any ORM tools like JEE, Spring, Hibernate.
● Experience with test-driven development
● Proficiency in the software engineering tool
● High adaptability in a dynamic start-up environment.