
Java Technical Lead
We are solving complex technical problems in the financial 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.
Experience: 10+ years
Location: Mumbai
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• 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: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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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Job Title : Java Developer (Walk-In Interview – Gurgaon)
Experience : 3+ Years
Location : Gurgaon (Work from Office)
Interview Mode : 1. Virtual 2. Walk-In
Skills Required : Java, Spring Boot, Multi-threading, PostgreSQL, Redis
Job Description :
We are hiring Java Developers with expertise in Spring Boot, Multi-threading, PostgreSQL, and Redis.
Key Responsibilities :
- Develop and maintain Java-based applications with a strong focus on Spring Boot.
- Implement multi-threading and optimize application performance.
- Work with PostgreSQL for efficient data management.
- Utilize Redis for caching and performance enhancement.
- Collaborate with cross-functional teams to design, develop, and deploy scalable applications.
Technical Skills:
✅ Java (3+ Years) – Strong coding and problem-solving skills.
✅ Spring Boot – Experience in building microservices-based applications.
✅ Multi-threading – Knowledge of concurrency and thread-safe programming.
✅ PostgreSQL – Database design, optimization, and query performance tuning.
✅ Redis – Experience with caching mechanisms for high-performance applications.
Eligibility :
- 3+ Years of hands-on experience in Java development.
- Bachelor's/Master’s in Computer Science or a related field.
- Strong analytical and debugging skills.

Job Description:
- He / She candidate must possess a strong technology background with advanced knowledge of Java and Python based technology stack.
- Java, JEE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
- * At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
- * Experience with Web Service development, REST and Services Oriented Architecture.
- * Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
- * Working knowledge of Databases including Design, SOL proficiency.
- * Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
- * Experience with Unix/Linux Operating System and Basic Linux Commands.
- * Strong development skills with ability to understand technical design and translate the same into workable solution.
- * Basic knowledge of Python and Hand-on experience on Python scripting
- * Build, deploy, and monitor applications using CI/CD pipelines, * Experience with agile development methodology.
- Good to Have - Elastic Index Database, MongoDB. - No SQL Database Docker Deployments, Cloud Deployments Any Al ML. snowflake Experience
Experience working with ExpressJS
Good Understanding of OOPS , Data Structure and Algorithms is required

Roles and Responsibilities:-
- Work with a tight-knit team of engineers and Product managers to deliver features & functionalities that delight our customers
- Build end-to-end systems that powers the health insurance stack - payments, onboarding, claims & integrations.
- Build for high observability, improve performance and remove bottlenecks within the application and infrastructure.
- Participate in design meetings, code reviews, mentoring new starters, technical interviews, and contribute to growing the team.
Experience and Qualifications:-
- 5+ years of experience in Go or Java.
- Proven experience in building scalable backend systems (databases, middleware and APIs).
- Firmly grounded computer science and engineering fundamentals including concurrency, multithreading, data structures, solution design, architecture, and design patterns.
- Excellent analytical and time management skills.
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
Location: Hyderabad / Chennai / Delhi
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
• You write high quality, maintainable, and robust code, often in Java or C++.
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched www.amazon.in for shoppers in India. With www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to ovear 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.

We are hiring for a Software Engineer Team Lead - Backend, to join our education-focused fintech lending startup, GrayQuest. Our core product is a combination of a lending product, a rewards product and an insurance product to redefine the education fees payment across the country.
You will be joining a young and vibrant team of developers who are pushing the boundaries of consumer financing through technology.
Key Responsibilities :
- Participate in all stages of the Software Development Lifecycle
- Develop back-end components, services, and APIs. Support integration of user-facing elements, and collaborate closely with the design and front-end development team.
- Write elegant, effective, and scalable code while maintaining the highest level of coding standards.
- Take complete ownership of projects and ensure timely deliveries
- Ability to debug, refine, review, and deploy code
- Work closely with the QA team to test, and document project features.
- Ability to interact with all stakeholders. Understand business requirements, and effectively convert them into technical specifications
- Mentor junior developers and participate in peer Review
Requirements:
- Demonstrable experience as a Python Developer (3+ years)
- Strong knowledge of Python frameworks (Django Rest, Flask)
- Experience working on REST APIs
- Strong knowledge of SQL and JavaScript
- Experience with Amazon Web Services (AWS)
- Working knowledge of React
- Familiarity with Agile development methodology
- Good understanding of task breakup, milestone definition, and work delegation.
- Past experience of working in a fintech/financial services domain or a consumer internet startup will be preferable but not required
- Work experience in early-stage startups (0 ->1) is a big plus
- Bachelors or equivalent degree from premier institutes is a plus
- Most importantly, the biggest skill we look for our prospective candidates is "Learnability" - how quickly can you learn.
Why is this a great opportunity for the right candidate:
- Work with a young dynamic core team backed by marquee investors from the financial services space
- Work on a product/business that has achieved product market fit and take it to scale
- Equity compensation and competitive market salaries
- Work environment that prioritizes talent, hustle and dedication
We will also ensure we give a preference to applicants who directly email us with their background/context and why they think they should be a strong candidate for this position at GrayQuest. Email us at work (at the rate) grayquest (dot) com and cc Sonal (at the rate)grayquest (dot) com


- Full Stack developer (.Net): (experience 3 to 6 years)
- Experience in designing multithreaded/concurrent/distributed systems.
- Experience in .Net framework and C# programming is required (3+ years).
- Experience in working on scalable non-blocking server side frameworks like Spring stack(2+ years)
- Experience with both SQL and NoSQL databases, Message brokers. ex: Postgres/MySQL, MongoDB/DynamoDB/Redis/Neo4j, Kafka (2 +years)
- Experience in Front end language and frameworks. JavaScript, must be an expert in one of the front end frameworks (ex: React) (2+)
- Understand cloud technologies and should have deployed applications or products in popular cloud platforms like AWS, GCP, MS Azure, etc (2+ years).
Optional:
- Experience with BigData is a big plus
- Knowledge of functional programming principles is a plus.
- Experience in HTML5 and CSS3


