Java Developer

👉 Job Title: Backend Developer

🌟 Experience: 5-7 Years

💡Location: Bangalore

👉 Notice Period :- Immediate Joiners

💡 Work Mode - 5 Days work from Office

( Candidate Serving notice period are preffered)

Role Summary

We are looking for a Backend Engineer to join the Platform Implementation Team, responsible for building scalable, secure, and high-performance backend systems for a multi-cloud Data & AI platform. You will design microservices, develop REST APIs, and enable seamless data integration across enterprise systems like CRM and ERP.

💫 Key Responsibilities

✅ Design and develop scalable microservices and RESTful APIs

✅ Build event-driven architectures for asynchronous processing

✅ Integrate backend systems with cloud platforms (GCP/Azure)

✅ Ensure secure, reliable, and optimized data handling

✅ Collaborate with cross-functional teams (UI, Data, Platform)

✅ Follow best practices in coding, testing, CI/CD, and containerization

💫 Mandatory Skills (Top 3)

✅ Strong backend programming experience (Python / Node.js / Java)

✅ Expertise in API development & Microservices architecture

✅ Hands-on experience with Cloud platforms (GCP or Azure)

JOB DESCRIPTION:

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 4– 12 years of strong hands-on experience in Core Java.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

Why Join Wissen Technology?

• Be a part of a high-growth organization that has expanded 400% in the last five years.
• Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
• Engage with Fortune 500 clients and deliver high-impact projects.
• Certified as a Great Place to Work®.
• Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
• Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
• Global presence across US, India, UK, Australia, Mexico, and Canada.

Website : www.wissen.com 

Strong Backend Engineer Profiles

Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment

Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)

Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices

Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)

Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows

Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Company Overview:  

At Codvo, software and people transformations go hand-in-hand. We are a global empathy-led technology services company. Product innovation and mature software engineering are part of our core DNA. Respect, Fairness, Growth, Agility, and Inclusiveness are the core values that we aspire to live by each day.  

We continue to expand our digital strategy, design, architecture, and product management capabilities to offer expertise, outside-the-box thinking, and measurable results.  

Roles & Responsibilities : 

Familiar with the software development life cycle (SDLC) from analysis to deployment & coding standards. 

Believes in systematic approach to developing the system through clear documentation (flowcharts, layouts, & etc) of functionality, address every use case through creative solutions. 

Ability to integrate the developed functionality and/or component into a fully functional system. 

Ensure unit and integration level verification plan are in place 

Actively participate in troubleshooting, debugging and updating current live system. 

Work closely with analysts, designers and other peer developers. 

Preparing technical training documents for onboarding new engineers. 

Requirements : 

Must have good understanding of Object Oriented Programming 

5 years or more of professional software development experience with 3 or more years of experience developing .NET/C# web applications using Microsoft Development Products 

Define, design and build varied components of web-based and/or mobile applications 

Experience using WPF (Windows Presentation Foundation) to build Windows desktop applications is a plus 

Experience using JavaScript frameworks/libraries (Angular, React, JQuery, D3) is a plus 

Experience with SQL Server (relational databases) and no-SQL Databases (Apache Cassandra or similar) 

Strong analytical skills – be a problem solver and be able to develop complex algorithms 

Strong familiarity of software architecture, databases and design patterns 

Exposure or understanding of deploying applications on cloud platforms like Azure/AWS 

Experience : 5+Years 

Job Location : Remote 

Work Timings : 3pm- 12 am 

• Design & build a highly scalable, robust backend architecture for our cloud services
• You will be part of a software development team for developing and enhancing SaaS applications.
• Take responsibility of entire module/feature set and develop, test, debug and maintain the application software throughout the product lifecycle
• Working with the Product Management Team to validate and plan new features
• Working with cross-functional teams to deliver stellar end user experience
• Research new technologies and tools that help in building the next generation of our services
• Test, debug and maintain the application software throughout the product lifecycle

• Must have experience with web development in Java 8+, Spring/J2EE or similar frameworks and technologies. (Mandatory)
• Must have worked on REST API (Mandatory)
• Should be an enthusiast for writing clean, reusable code, willing to learn new things as a self-starter person
• 2+ years of strong relevant experience in developing Object-oriented technologies.
• Strong working experience with any of the following DBs - Postgres / MySQL / Oracle or MSSQL
  

• Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
• Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
• Developing the Code as per the requirements
• Working with product team and constructing the tech roadmap
• Designing, building and scaling the company's backend microservices
• Maintaining code integrity and organization
• Applying all quality requirements to make the code production ready
• Developing and deploying new features to facilitate related procedures and tools if necessary
• Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
• Designing and building efficient, reusable, and reliable Java code
• Pro actively catching and fixing bugs, and providing support for the back end services
• Managing servers and infrastructure by keeping the lights on and refining the deployment architecture

Job Location: New Delhi

What you’ll do:

• Contribute to all phases of the Software development lifecycle

• Write well-designed testable, efficient code and complex code with Data Structure & Algorithms.

• Ensure designs are in compliance with specifications on Java and RestAPI.

• Prepare and produce releases of software component

• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

• A Developer whose job includes writing complex code, testing, and fixing bugs.

• Maintain, design the database and organize collected information.

• A specialized programmer who focuses on multiple types of development.

What you’ll bring:

• 2 year to 5 years of proven hands-on Software Development experience.

• Strong experience in Java programming

• Expertise Knowledge of Data structures and Algorithms

• Proven working experience in a product-based organization (preferred)

• Understanding with Java frameworks Spring boot, Microservices and ORM frameworks.

• Must have the experience to design and build scalable REST APIs.

• Object-oriented analysis and design using common design patterns.

Java_FullstackDeveloper_DGT II

Job Title: Go Developer (Remote)

Job Description: Backend Engineer (GO Developer)

Remote Working | Engineering Team | Full-time

Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?

Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?

If so, this is an opportunity for you to join a high-functioning team and make your mark on our organization!

The Impact you will create in the Job:

Build campaign generation services which can send app notifications at a speed of 10 million a minute.

Dashboards to show Real time key performance indicators to clients.

Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds.

Leverage the power of Kubernetes to maintain clusters running inside VPC's across the world.

Building highly available & horizontally scalable platform services for ever growing data.

Use cloud-based services like AWS Lambda for blazing fast throughput & auto scalability.

You will build backend services and APIs to create scalable engineering systems.

As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.

You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.

Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.

Identify and improvise areas of improvement through data insights and research.

What we look for?

3-6 years experience in developing high scale internet applications/API based services.

Worked with GoLang as a primary language

Experience with High scale real time architectures

Experience with queueing systems like RabbitMQ, Kafka etc

Experience with Elasticsearch would be a plus

Having hands on experience with Kubernetes would be a plus.

Understanding of SMTP protocol would be a plus

Experience with MTA will be an added advantage.

Very strong analytic and problem-solving skills.

Enjoys working at solving challenges that come with developing real time high scale applications.