
Job Summary:
We are looking for a highly skilled and experienced Java Backend Developer with 4.5+ years of hands-on experience in backend development, system design, and API integration. You’ll play a key role in designing and building high-performance backend systems that are scalable, secure, and reliable. As a core member of the engineering team, you’ll collaborate closely with product owners, architects, and other developers to deliver quality solutions.
Responsibilities:
- Design and develop backend components, REST APIs, and microservices using Java and Spring Boot.
- Contribute to the architectural decisions and system design discussions.
- Write clean, efficient, and testable code following best practices.
- Optimize application performance, scalability, and reliability.
- Integrate third-party APIs and work with external systems.
- Participate in code reviews, mentor junior developers, and support the team’s technical growth.
- Work closely with DevOps to support CI/CD pipelines and deployments.
- Troubleshoot and resolve complex issues in production and non-production environments.
- Keep up with industry trends and advocate for best practices in backend development.
Required Skills:
- 4.5+ years of hands-on experience in backend development with Java (Java 8 or above).
- Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Data).
- Experience designing and consuming RESTful APIs and working with microservices architecture.
- Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Proficient with version control systems like Git and tools like Maven or Gradle.
- Familiarity with Docker, containerization, and cloud platforms (AWS/GCP/Azure).
- Experience with unit testing and integration testing (JUnit, Mockito, etc.).
- Good knowledge of software design principles, data structures, and algorithms.
- Excellent problem-solving skills and attention to detail.

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Required Experience: 10–15 years (with at least 3–5 years in leadership roles)
● 10–15 years of overall experience in backend engineering, with strong exposure to
Python and/or Golang.
● 3–5 years of experience managing engineering teams.
● Proven experience delivering large-scale, distributed systems in production
environments.
● Strong understanding of microservices, cloud-native architecture, and DevOps
practices.
● Hands-on background in backend engineering (able to guide teams technically, even
if not coding daily).
● Familiarity with CI/CD pipelines, observability, and performance optimization.
● Experience in financial services or high-transaction domains is a plus.
● Experience leading teams that have utilized AI-driven development practices (e.g.,
agentic coding, LLM integration) to improve productivity and innovation is a
significant advantage.
Skills
● Excellent leadership and people management abilities.
● Strong communication and stakeholder management skills.
● Ability to balance technical depth with business priorities.
● Problem-solving mindset with a focus on delivery and impact.
● Passion for building engineering culture and improving developer experience.
software products.
● Degree in Computer Science, Maths, or equivalent.
● Experience with AWS or Google Cloud or Azure.
● Experience with RDBMS and NoSQL: MySQL/MariaDB or PostgreSQL,
DynamoDB or MongoDB.
● Fluent in common design patterns, modular architecture, microservices, and a
demonstrated web and polyglot development experience.
● Passionate about distributed computing and building applications that are
robust, scalable, and keep the customers happy.
● Proficiency in programming languages such as Java, Scala; a strong foundation
in data structures, algorithms, understanding of threads, synchronization, and
concurrent programming.
● Experience with deployment, configuration, automation tools, and DevOps
methodologies.
● Understanding of Internet security models, REST API, and application
integration.
● Good to have some understanding of Serverless.
Exp-Min Year
Location Kolkata-On site & Remote
Sal-Nego
JD
Hands on design and in depth development experience in Microsoft NET
· technologies including C#, ASP NET MVC, Web API, Entity Framework and LINQ
· knowledge of MS SQL Server 2014 above
· Experience with version control systems GIT
· Experience creating and consuming web services including REST JSON
· Skills (Technical / Specialist Skills)
· Proficiency in .NET Development with .NET Framework 4.5 or later, Asp.net MVC,
· C#, Web API, LINQ, Entity Framework, SQL Server 2014 or above, jQuery.

Java with cloud
|
Core Java, SpringBoot, MicroServices |
|
- DB2 or any RDBMS database application development |
|
- Linux OS, shell scripting, Batch Processing |
|
- Troubleshooting Large Scale application |
|
- Experience in automation and unit test framework is a must |
|
- AWS Cloud experience desirable |
|
- Agile Development Experience |
|
- Complete Development Cycle ( Dev, QA, UAT, Staging) |
|
- Good Oral and Written Communication Skills |
● J2EE with a good understanding of Servlets and JSP
● Experience in Spring Modules – Spring IOC and AOP, Spring Boot (version 2 plus), JDBC
● Expertise in design and development of various web and enterprise – level applications using Java/J2EE
technologies such as Spring, Hibernate, Rest services.
● Web Services (including SOAP, XML, XML Schema, JSON, and REST)
● Tools required: Maven,Eclipse, Github, and Swagger
● Good knowledge of SQL and Redis (NOSql)
● Ability to document requirements and specifications
● Proven work experience as a Software Engineer or Software Developer
● Ability to develop software in Java or any other OOPS languages
● Excellent knowledge of relational databases, SQL and ORM technologies (JPA2, Hibernate)
● Experience in developing Web Applications using at least one popular Web Framework (Spring)
● Experience with test-driven development
● Proficiency in software engineering tools
Thingworx Developer/Sr Developer
Required experience range between 3-6 years.
· Thingworx Navigate experience desired
· Languages - Java, JavaScript & CSS
· Experience in Core Java, Java collections & Oops Concept
· Databases – MySQL, MS-SQL
· Having good working knowledge with XML, JSON.
· Design and Application development using Thingworx version - (8.2,8.5,9.X)
· ThingWorx service creation using JavaScript
· Develop ThingWorx extension using Java
· ThingWorx service creation using Java Extension
· ThingWorx mashups design and development
· Data storage in ThingWorx - Stream/Value Stream/Data Tables
· Integration with source/target system using REST API, data Files.
· Familiar with Agile Methodologies (SCRUM)
· Thingworx Integration with 3rd apps preferred and will be added advantage
Roles and Responsibilities
Experience in full cycle implementation of software development projects using .NET 4.0 and above, C#, ADO.NET, ASP.NET, MVC / .Net Core
Experience in developing of Web API and RESTful web services. Experienced with client-side programming HTML, CSS, AJAX.
Experience with Entity frameworks and Dappers Programming skills on SQL Server with strong database design.
Desired Candidate Profile
1+ years of software development experience .Net Development, C#, ASP.Net MVC
Dot Net core expertise is a must
Strong working knowledge of SQL Server, C#, JavaScript and JQuery
Strong working knowledge of .NET MVC LATEST VERSION
Strong working knowledge of ENTITY FRAMEWORK
Excellent written and verbal interpersonal skills for coordinating across teams
Deep experience and expertise with designing, implementing, testing and deploying sophisticated .Net applications
Keenness to learn and master new technologies and techniques
Excellent software development skills with very sound logic

We are looking for talented and self-motivated engineers to come join us on our mission.
We have a team culture that encourages collaboration and innovation at all levels and we expect developers to take a high level of ownership for the execution of tasks assigned to them.
Roles and responsibilities:
● Understand and derive requirements from product managers and customers
● Able to design APIs and modules for scale.
● Participate in design reviews and look at opportunities to continuously improve on practices
and quality.
● Own end-to-end implementation of modules and drive the project
● Debug prod issues and solve them efficiently and quickly. Customer obsession is key
● Automate recurring day-to-day tasks.
● Show initiative to drive topics to resolution and able to collaborate with multiple teams in
delivering the project
● Mentor junior team members
● Own project deadlines and seeing through project go-live.
Job Requirements Skills
● Good problem-solving skills and ability to understand and use the right data structures and algorithms
● Use design patterns and best engineering practices to design scalable and extensible
solutions. Working knowledge of microservices and/or event-driven architecture is plus
● Working knowledge of relational databases esp PostgreSQL.
● Advanced expertise in Java/server-side technologies. Working knowledge of Spring Boot is desirable
● Should have designed and implemented REST APIs. Good working knowledge of HTTP(S),Web servers desired
● Should have worked in Linux environments and understanding of GIT or any other source code versioning is a must
● Understanding of ORMs, Caching, Object storage, Queues is a must. Exposure to AWS S3, SQS components, Redis is a plus
● Own and write tests using Unit and integration testing frameworks
● Ability to work independently and/or with a team in a fast-paced, rapidly changing
environment
● Should do code reviews.
● Server-side application deployment experience is a plus.
Qualifications
● Experience - A minimum 6+ yrs of relevant experience.
Key responsibilities for this role include:
• Lead one of the product verticals in the development of technology strategy, planning, hiring and execution of the next iteration of the WeInvest platform.
• Institutionalize a strong software engineering culture and facilitate a rapid, iterative, layered development approach.
• Be hands on with the coding, evaluate design and architecture choices, do in-depth code reviews, and implement standards and practices for software development.
• Inspire the engineering team to build quality, scalable code by pairing with team members periodically.
• Participate in the definition and management of high-quality product roadmaps based on business, product & tech strategy.
• Proactively identify and resolve strategic issues that may impair the team’s ability to meet strategic, financial, and technical goals.
The ideal candidate will have:
• Masters /BE/ B.Tech from a reputed institute
• About 6-10 years professional experience in software development.
• Excellent logical and analytical reasoning capabilities combined with strong knowledge of core
computer science concepts like algorithms, data structures, software design patterns, OOP etc.
• Should have experience in all the phases of SDLC
• Must have experience in leading a team. (At least 2-3 people)
• Be an expert in ruby on rails with experience OR from Fintech, Wealth Management OR Investment
• Management Domain with experience in any of the programming languages (Java/Python/Ruby).
• Breadth of experience in multiple technologies, tools, frameworks and processes is a big plus.
• Excellent understanding of core computer science concepts like algorithms, data structure,
Software design patterns, OOP etc. Be able to lead the team in design & architecture discussions,
introduce new tools, concepts & process to the team and guide other members of the team.
• Experience working in an agile team with software engineering practices like automated testing,
test- driven-development, continuous integration etc is a big plus.
• Excellent oral and written communication.






