
Experience: 5+ Years
• Experience in Core Java, Spring Boot
• Experience in microservices and angular
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Description
Join company as a Backend Developer and become a pivotal force in building the robust, scalable services that power our innovative platforms. In this role, you will design, develop, and maintain server‑side applications, ensuring high performance and reliability for millions of users. You’ll collaborate closely with cross‑functional product, front‑end, and DevOps teams to translate business requirements into clean, efficient code, while participating in code reviews and architectural discussions. Our dynamic environment encourages continuous learning, offering opportunities to work with cutting‑edge technologies, cloud infrastructures, and modern development practices. As a key contributor, your work will directly impact product quality, user satisfaction, and the overall success of company's mission to streamline hiring solutions.
Requirements:
- 1–15 years of professional experience in backend development, with a strong focus on building APIs and microservices.
- Proficiency in server‑side languages such as Python, Java, Node.js, or Go, and solid understanding of object‑oriented and functional programming paradigms.
- Extensive experience with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis), including schema design and query optimization.
- Familiarity with cloud platforms (AWS, GCP, Azure) and containerization technologies like Docker and Kubernetes.
- Hands‑on experience with version control (Git), CI/CD pipelines, and automated testing frameworks.
- Strong problem‑solving abilities, effective communication skills, and a collaborative mindset for working within multidisciplinary teams.
Roles and Responsibilities:
- Design, develop, and maintain high‑throughput backend services and RESTful APIs that support core product features.
- Implement data models and storage solutions, ensuring data integrity, security, and optimal performance.
- Collaborate with front‑end engineers, product managers, and designers to define technical requirements and deliver end‑to‑end solutions.
- Participate in code reviews, provide constructive feedback, and uphold coding standards and best practices.
- Monitor, troubleshoot, and optimize production systems, implementing robust logging, alerting, and performance tuning.
- Contribute to the continuous improvement of development workflows, including CI/CD automation, testing strategies, and deployment processes.
- Stay current with emerging technologies and industry trends, proposing innovative approaches to enhance system architecture.
Budget:
- Job Type: payroll
- Experience Range: 1–15 years
Role & Responsibilities
Design, develop, and implement high-quality software solutions for payment processing.
Maintain a regular release cadence and manage the product backlog.
Ensure timely and lossless communication across teams.
Uphold engineering values and best practices.
Collaborate with international teams to ensure successful product development and delivery.
Ideal Candidate
A strong technical background in software engineering and architecture, with experience in modern programming language
Ability to work independently with very little direction, taking full ownership of projects.
Identifying blind spots, anticipate challenges, and prioritize work effectively
Exceptional communication and organizational skills.
A Bachelor's degree in Computer Science, Engineering, or equivalent experience.
8+ years of relevant experience preferred
Proficiency using Python, Kafka, Kubernetes, and AWS
Experience with Distributed Task Queues such as Celery and RabbitMQ is preferred.
Experience with RDBMS/SQL is also preferred.
Company Overview
McKinley Rice is not just a company; it's a dynamic community, the next evolutionary step in professional development. Spiritually, we're a hub where individuals and companies converge to unleash their full potential. Organizationally, we are a conglomerate composed of various entities, each contributing to the larger narrative of global excellence.
Redrob by McKinley Rice: Redefining Prospecting in the Modern Sales Era
Backed by a $40 million Series A funding from leading Korean & US VCs, Redrob is building the next frontier in global outbound sales. We’re not just another database—we’re a platform designed to eliminate the chaos of traditional prospecting. In a world where sales leaders chase meetings and deals through outdated CRMs, fragmented tools, and costly lead-gen platforms, Redrob provides a unified solution that brings everything under one roof.
Inspired by the breakthroughs of Salesforce, LinkedIn, and HubSpot, we’re creating a future where anyone, not just enterprise giants, can access real-time, high-quality data on 700 M+ decision-makers, all in just a few clicks.
At Redrob, we believe the way businesses find and engage prospects is broken. Sales teams deserve better than recycled data, clunky workflows, and opaque credit-based systems. That’s why we’ve built a seamless engine for:
- Precision prospecting
- Intent-based targeting
- Data enrichment from 16+ premium sources
- AI-driven workflows to book more meetings, faster
We’re not just streamlining outbound—we’re making it smarter, scalable, and accessible. Whether you’re an ambitious startup or a scaled SaaS company, Redrob is your growth copilot for unlocking warm conversations with the right people, globally.
EXPERIENCE
Duties you'll be entrusted with:
- Develop and execute scalable APIs and applications using the Node.js or Nest.js framework
- Writing efficient, reusable, testable, and scalable code.
- Understanding, analyzing, and implementing – Business needs, feature modification requests, and conversion into software components
- Integration of user-oriented elements into different applications, data storage solutions
- Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
- Designing and implementing – High availability and low latency applications, data protection and security features
- Performance tuning and automation of applications and enhancing the functionalities of current software systems.
- Keeping abreast with the latest technology and trends.
Expectations from you:
Basic Requirements
- Minimum qualification: Bachelor’s degree or more in Computer Science, Software Engineering, Artificial Intelligence, or a related field.
- Experience with Cloud platforms (AWS, Azure, GCP).
- Strong understanding of monitoring, logging, and observability practices.
- Experience with event-driven architectures (e.g., Kafka, RabbitMQ).
- Expertise in designing, implementing, and optimizing Elasticsearch.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Expertise in Event driven architecture.
- Experience in Integrating Generative AI APIs.
- Working experience in high user concurrency.
- Experience in scaled databases for handling millions of records - indexing, retrieval, etc.,
Technical Skills
- Demonstrable experience in web application development with expertise in Node.js or Nest.js.
- Knowledge of database technologies and agile development methodologies.
- Experience working with databases, such as MySQL or MongoDB.
- Familiarity with web development frameworks, such as Express.js.
- Understanding of microservices architecture and DevOps principles.
- Well-versed with AWS and serverless architecture.
Soft Skills
- A quick and critical thinker with the ability to come up with a number of ideas about a topic and bring fresh and innovative ideas to the table to enhance the visual impact of our content.
- Potential to apply innovative and exciting ideas, concepts, and technologies.
- Stay up-to-date with the latest design trends, animation techniques, and software advancements.
- Multi-tasking and time-management skills, with the ability to prioritize tasks.
THRIVE
Some of the extensive benefits of being part of our team:
- We offer skill enhancement and educational reimbursement opportunities to help you further develop your expertise.
- The Member Reward Program provides an opportunity for you to earn up to INR 85,000 as an annual Performance Bonus.
- The McKinley Cares Program has a wide range of benefits:
- The wellness program covers sessions for mental wellness, and fitness and offers health insurance.
- In-house benefits have a referral bonus window and sponsored social functions.
- An Expanded Leave Basket including paid Maternity and Paternity Leaves and rejuvenation Leaves apart from the regular 20 leaves per annum.
- Our Family Support benefits not only include maternity and paternity leaves but also extend to provide childcare benefits.
- In addition to the retention bonus, our McKinley Retention Benefits program also includes a Leave Travel Allowance program.
- We also offer an exclusive McKinley Loan Program designed to assist our employees during challenging times and alleviate financial burdens.
Responsibilities:
● Design, develop, and maintain scalable backend services and APIs using Java and Spring
Boot.
● Create and optimize SQL database schemas and queries in PostgreSQL to ensure efficient
data storage and retrieval.
● Implement RESTful APIs to facilitate seamless communication between frontend and backend
components.
● Configure and manage Nginx web servers to efficiently handle incoming requests and improve
application performance.
● Deploy and manage applications on AWS or GCP, ensuring scalability, reliability, and
security.
● Configure and optimize message broker systems using Kafka for real-time data processing
and communication.
● Containerize applications using Docker for easy deployment, scaling, and management.
● Create detailed Low-Level Designs (LLDs) and High-Level Designs (HLDs) to guide the
development and architecture of backend systems.
● Automating CI/CD pipelines and streamlining the software development lifecycle.
● Integrate AI/ML models into backend workflows using Python, PyTorch/TensorFlow, or
third-party AI APIs.
● Leverage AI tools (e.g., OpenAI APIs, Hugging Face, AWS AI services) to build intelligent
features.
● Collaborate closely with frontend developers, product managers, data scientists, and other
stakeholders to deliver high-quality AI-powered solutions.
● Monitor and troubleshoot production systems to ensure optimal performance, reliability, and
uptime.
What We’re Looking For:
● Bachelor’s degree in Computer Science, Engineering, or related field.
● 3-5 years of experience in backend development.
● Proficiency in Java, Spring Boot, PostgreSQL, SQL, and GitActions.
● Strong understanding of RESTful API design principles and best practices.
● Experience with configuring and optimizing Nginx web servers.
● Experience with configuring and optimizing Kafka service.
● Hands-on experience with AWS or GCP.
● Familiarity with Docker containers and container orchestration.
● Ability to create comprehensive Low-Level Designs (LLDs) and High-Level Designs (HLDs)
for backend systems.
● Experience with Python for AI/ML model integration in backend services.
● Familiarity with AI platforms and APIs such as OpenAI, Hugging Face, AWS AI/ML, or GCP
Vertex AI.
● Excellent problem-solving skills and attention to detail.
● Strong communication and collaboration skills, with the ability to work effectively in a team
environment.
Preferred Qualifications:
● Knowledge of microservices architecture and related technologies.
● Experience with cloud-native development and serverless computing.
● Understanding of software development best practices, including Agile methodologies
Company Description
Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions. We firmly believe in the credibility and scalability of Digital Transformation. Our services are focused on Mobility Solutions, Custom App Development, Cloud Solutions, IoT, AR/VR, Metaverse, Blockchain, Artificial Intelligence & Machine Learning, Chatbot, Predictive Analytics & Big Data Solutions, and several other trending as well as emerging technologies. At its core, Mobile Programming LLC is all about developing solutions that help clients accelerate their business processes, achieve optimum productivity, and mitigate risks.
Role Description
This is a full-time on-site role for a Full Stack Developer located in Bengaluru. As a Java Developer, you will be responsible for building and maintaining web applications, ensuring the responsiveness of applications, and working alongside cross-functional teams to develop and implement user-friendly features. You will collaborate with the development team, contribute to the overall architecture of the application, and ensure high-quality code and documentation.
Qualifications
- Proven work experience as Java Developer
- Experience in 4 yrs expin back-end development
Job Responsibilities: -
- Work on building enterprise grade applications with a strong knowledge of the .net core framework. Experience with Node JS.
- Create Libraries that would be shared across the different modules in the system that can be leveraged by multiple teams within the organization.
- Good understanding of data structures to identify the correct data structure for a specific use case.
- Build RESTful API for customer consumption. Prior knowledge building APIs is a requirement. Understanding of HTTP error codes is a must.
- Work on code in a distributed code development environment. Prior use of Git/Github is desirable.
- Work with a Unit Test platform.
- Strong knowledge on Encryption standards – Asymmetric and Symmetric.
- Create and Manage System Documentations.
Job Qualifications
- At least 4+ years of experience using C# programming language in the build of enterprise software (.net core, asp.net core, web api) – For .Net Developer
- At least 7+ years of experience using C# programming language in the build of enterprise software (.net core, asp.net core, web api). – For Lead.
- Experience handling ISO8583 message standard; Payments Industry knowledge.
- Good understanding of version control (using Git/Github).
- Experience with Unit Test framework; TDD Approach.
- Knowledge and understanding of PCI Requirements for Card processing software .
- Understanding of SQL Database and Database Design.
- Strong understating of hybrid cloud application basics based on Docker, Kubernetes, Microservices and Postgres.
- Minimal 2+ years of experience in building enterprise scale applications: coding, designing, developing, and analyzing data.
- Agile environment. AWS, Docker, Kubernetes, DevOps environment Lead levels only.
- Manage CI/CD Pipeline.
- E/B.Tech/B.Sc/MCA/Msc in Computer Science.
Company Overview
http://www.corecard.com">www.corecard.com & http://www.corecardindia.com">www.corecardindia.com
Core Card Software is a product company, to provide financial service organizations with the best card management applications to help them compete both locally and globally. Core Card Software, a leading provider of card management systems. The Core Card software solution provides the market's most feature-rich platform for processing and managing accounts receivables and a full range of card products including prepaid/stored-value, fleet, credit, debit, commercial, government, healthcare and private-label cards. Core Card have offices based in Atlanta, Bhopal & Navi Mumbai.
Hello,
My name is Amim and I'm a part of the Talent Acquisition team in PayU India!
Were looking for a seasoned Backend engineers who would work on cutting edge technologies to solve complex problems in FinTech world. We are currently looking for bright and talented backend engineers, who can bring new ideas to the table and contribute to our strategy in a big way.
If you like to solve complex problems and challenges, that too in a fast-moving and dynamic environment, this is great opportunity for you.
Who were looking for
Position : Senior Software Engineer / Lead Software Engineer
Experience : 4 yrs - 9 yrs
Job Location: Bangalore / Gurgaon / Pune(Currently WFH)
Key Skills : Object Oriented Programming ( Java / Go Lang), Problem Solving, Data Structures Algorithms, System Design Microservices / Spring Boot, Distributed Systems, AWS, Cloud, Scalability, Web Security, Kafka, Elasticsearch, Mo SQL / MongoDB / MySQL etc.
Desired Profile
B.E / B. Tech / M. Tech in computer science or equivalent with excellent academic record.
Experience in any language like Java / GoLang / Core Java / Scala / RoR and object oriented design.
You will be Translating high level business problems into scalable design and code.
Very strong in Data Structures and Algorithms with excellent programming skills
Have experience in building and maintaining large scale web applications in service oriented architecture.
Passion for adopting new technologies at rapid pace and working in a highly agile environment
What we offer
A positive, get-things-done workplace
A dynamic, constantly evolving space (change is par for the course important you are comfortable with this)
An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale
Access to 5000+ training courses accessible anytime/anywhere to support your growth and development (Corporate with top learning partners like Harvard, Coursera, Udacity)
About us
At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at http://www.payu.com">www.payu.com
Our Commitment to Building A Diverse and Inclusive Workforce
As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.
If you are interested, please share your resume on md.amim at payu.in









