.net developer

Job Title : Backend Developer (Node.js or Python/Django)

Experience : 2 to 5 Years

Location : Connaught Place, Delhi (Work From Office)

Job Summary :

We are looking for a skilled and motivated Backend Developer (Node.js or Python/Django) to join our in-house engineering team.

Key Responsibilities :

• Design, develop, test, and maintain robust backend systems using Node.js or Python/Django.
• Build and integrate RESTful APIs including third-party Authentication APIs (OAuth, JWT, etc.).
• Work with data stores like Redis and Elasticsearch to support caching and search features.
• Collaborate with frontend developers, product managers, and QA teams to deliver complete solutions.
• Ensure code quality, maintainability, and performance optimization.
• Write clean, scalable, and well-documented code.
• Participate in code reviews and contribute to team best practices.

Required Skills :

• 2 to 5 Years of hands-on experience in backend development.
• Proficiency in Node.js and/or Python (Django framework).
• Solid understanding and experience with Authentication APIs.
• Experience with Redis and Elasticsearch for caching and full-text search.
• Strong knowledge of REST API design and best practices.
• Experience working with relational and/or NoSQL databases.
• Must have completed at least 2 end-to-end backend projects.

Nice to Have :

• Experience with Docker or containerized environments.
• Familiarity with CI/CD pipelines and DevOps workflows.
• Exposure to cloud platforms like AWS, GCP, or Azure.

Job Title: Lead Java Developer

Experience Required: 7+ Years

Location: Mumbai

About the Role

We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
• Build and optimize APIs for large-scale applications ensuring high performance and reliability.
• Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
• Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
• Write efficient SQL queries and integrate with relational and NoSQL databases.
• Collaborate with product managers, architects, and other developers to define and align on technical decisions.
• Identify and solve complex problems with innovative and scalable solutions.
• Drive best practices in coding standards, system design, and performance optimization.
• Communicate complex technical concepts clearly across teams and stakeholders.

Skills & Qualifications

• 7+ years of experience as a Backend Developer.
• Strong expertise in Java, Spring Boot, Microservices, SQL.
• Significant experience in API design and optimization for enterprise-scale applications.
• Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
• Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
• Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
• Strong communication and collaboration skills, with the ability to influence and align teams.

Job Description

• Designing system architecture, develop and maintain high performing & scalable services using Node.js frameworks.
• Extensively engage in iterative development model right from requirement analysis, estimation, development, testing & production support
• Mentor, groom junior developers and participate in code reviews
• Contribute towards building company’s coding culture

Requirements

• 3+ years of relevant industry experience in Node.js
• A deep understanding of JavaScript
• Experience working with SQL and NoSQL databases
• Experience with Unit and Integration tests
• Experience with CI/CD
• Experience with MathJax/Latex
• Experience with large scale video streaming
• Experience with ReactJS is a bonus

Job Description

Must have Skill Sets 

• Go lang + Microservices
• Familiarity with MAC/Linux environment, Shell script 
• GRPC ● JavaScript & JSON 
• Knowledge of microservices and architecture 
• Knowledge of Uber Tech Stack would be a bonus ○ Will ensure candidate who are selected will undergo training on Uber Stack as a part of their induction to Uber 
• Basic SQL knowledge 

Expectations from the candidate 

• Strong hands-on experience in understanding requirements and creating microservices using Go lang.. 
• Exceptional debugging and problem-solving skills on large codebase 
• Be a proactive thinker and demonstrate keen sense to find solutions to challenging problems
• Product sense: Create more than beautiful code. Play a crucial role in choosing what we build and how we build it. 
• A penchant for collaboration & a team player: Work cross collaboratively to drive impact across orgs. Be open to candid feedback for improvement. When required step up to the role of a tech-lead to ensure effective coordination and communication 
• Independent to explore all the end points in UBER environment and coordinate with different Line of Business to understand the correct microservice for a business use case. 
• Ability to convert a high-level PRD into a detailed ERD for execution. Coordinate with business teams to understand the functional requirement and convert it into engineering logic

Primary Skills :

4+ Years with Java

2+ with Microservices

6 months to 1 Year with Golang

Exp : 4+ Years

Location : Bangalore/Hyderabad

Max Budget : 28 Lakhs

End Client : UBER

We are looking for an ASP.NET MVC developer that will be able to develop and support existing applications. The main scope of work will include everything from back-end to client-side code, using optimal and efficient technologies, frameworks, and patterns. Your primary responsibilities will be to design and develop these applications. Therefore, it’s essential that you are skilled at problem solving, solution design, and high-quality coding.

SKILLS:

Must have:

1) Good command over any programming (C#, JavaScript)

2) Willingness to learn new programming languages as per need.

3) Strong experience in implementing design patterns.

Good to have:

1) Hands on experience working on Dockers.

2) Experience on CI/CD Pipeline with Azure devops.

ROLES AND RESPONSIBILITES:

1) Delivering a high-quality application

2) Integrating with front-end developers

3) Ensuring a required level of performance

4) Writing test-backed server-side code

5) Analyzing requirements and designing new functionality

6) Supporting and fixing existing functionality

7) Selecting and using the most appropriate and efficient technologies for a particular application

8) Designing and building application layers

Primary Skill Set :

1) Proficiency in C#

2) Experience using .NET ( 4.5+ | Core )

3) Experience in developing ( ASP.NET MVC | ASP.NET Core MVC ) applications

4) Senior knowledge of ( Entity Framework 6.* | EF Core | NHibernate | ADO.NET )

5) Proficient knowledge in ( MSSQL )

6) Database design including indexes and data integrity

7) Dependency injection pattern and IoC containers using at least one of: Autofac, SimpleInjector

8) Writing tests with ( NUnit | XUnit )

9) Implementing enterprise application patterns

10)Understanding of HTML, JS, and CSS

11)Familiarity with the client side framework ( jQuery | Angular 2.*+ )

12)Familiarity with ( Azure Cloud Services )

13)Familiarity with ( Microservices | Dockers )\

14)Experience in developing of Web API and RESTful web services

OptiSol Dotnet Team engineers award-winning cloud-native applications to our worldwide customers. We provide simple digital solutions to the complex business problems of our enterprise and startup customers. We look for agile developers with team spirit to continuously deliver value to our customers. 

We are a tribe of happy people excited about problem-solving. Our team is geographically distributed, we speak many languages and we come from a variety of cultural backgrounds. We are rapidly expanding, and we are looking for passionately curious people obsessed with customer happiness. 

MUST HAVE SKILLS
- CORE JAVA & SQL

Desired Skills
Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.

Job Responsibilities
Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing,  System Testing, UAT, Demos, POCs, installation, maintenance of Software modules. 

❑ Ensures the preparation of the following: 

▪ Software prototype 

▪ System Architecture 

▪ Software Design Document 

▪ User interfaces to be developed as per UX guidelines 

▪ Code files ensuring coding guidelines followed 

▪ Code review artefacts during peer code review 

▪ Test plan and Test Cases 

▪ Installation / Deployment document 

▪ Release Document 

▪ Technical Documentation 

❑ Documents and demonstrates solutions by developing documentations, flowcharts, layouts, diagram, charts,  code. comments and clear code; Ensuring that project task are completed in defined effort and timelines ❑ Prepares and installs solutions by determining and designing system specifications, standards & programming. 

❑ Testing: Writing of test cases, unit testing, system testing, negative testing 

❑ Trouble shooting: Log analysis and database query optimization  

❑ Improves operations by conducting system's analysis. 

❑ Updates job knowledge by studying state of the art development tools, programming techniques & computing equipment; participates in educational opportunities, reads professional publications & maintains  personal networks.  

❑ Protects operations by keeping information confidential. 

❑ Provides information by collecting, analyzing and summarizing development and service issues.  ❑ Develops software solution by studying information needs, conferring with users, studding system flow,  data usage and work processes, investigating problem areas, following delivery cycle. 

1) Proven experience as a .NET Developer or Application Developer

2) Familiarity with the http://ASP.NET">ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))

3) Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and IIS

4) Familiarity with architecture styles/APIs (REST)

5) Basic knowledge Windows Application and Windows Services,

6) Excellent troubleshooting and communication skills