
Strong Java Backend Engineer.
Mandatory (Experience 1): Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)
Mandatory (Experience 2): Must have been a SDE-3 or SDE-2 for at least 2.5 years in a Decacorn(title should be there in resume)
Mandatory (Tech skill 1) : Hands-on experience with RESTful APIs and microservices architecture
Mandatory (Tech skill 2): Strong understanding of distributed systems, multithreading, and async programming
Mandatory (Tech skill 3): Experience with relational and NoSQL databases
Mandatory (Tech skill 4) : Exposure to Kafka/RabbitMQ and Redis/Memcached
Mandatory (Tech skill 5): Experience with AWS / GCP / Azure, Docker, and Kubernetes
Mandatory (Tech skill 6) : Familiar with CI/CD pipelines and modern DevOps practices
Mandatory (Tech skill 7): Must have worked on core product/platform teams rather than support or internal tooling
Mandatory (Ownership & Impact): Candidate should demonstrate end-to-end ownership of backend systems, including architecture/design decisions (HLD/LLD), scalability improvements, or measurable production impact (resume should clearly mention metrics such as scale, throughput, latency improvements, reliability, cost optimization, or user impact)
Mandatory (Company) - Top New Age, Fast-scaled, Tech-First Product Companies (Like Series B+ / Unicorn Indian startups, or Tech-first Global companies like Amazon, Google, Microsoft etc)
Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
Mandatory (Education): B.Tech in computer science or related field from Tier 1, Tier 2 colleges
Mandatory (Note): Education can be ignored for candidates with proven experience in strong, reputed product companies

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Job Title : Senior Software Engineer
Location : Gurugram (Full-time)
Job Description :
- We are looking for a skilled and experienced Java Engineer to join our dynamic team.
- The ideal candidate will have 4 to 10 Years of hands-on experience in software development, with a proven experience as Java Developer with a strong focus on Spring and Spring Boot, Relational Databases and AWS technologies.
- Strong understanding of monolithic & microservices architecture. You will play a crucial role in designing, developing, and maintaining our applications.
- Ensuring their performance, quality and responsiveness.
Key Responsibilities :
● Design, develop, and maintain scalable applications using Java, Spring and Spring Boot.
● Develop and manage relational databases. Should be able to write complex SQL queries.
● Ensure the best possible performance, quality, and responsiveness of the applications.
● Have strong debugging skills to identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
● Deploy, manage, and scale applications on AWS.
● Conduct code reviews and integration testing to ensure software quality and reliability.
● Collaborate with front-end developers to integrate user-facing elements with server-side logic.
● Collaborate with cross-functional teams to define, design, and ship new features.
● Stay updated with emerging technologies and industry trends.
Qualifications :
● Bachelor’s degree in Computer Science, Information Technology, or a related field.
● 4 to 10 Years of experience in software development.
● Proficient in Java 8+, Spring and Spring Boot.
● Experience with PostgreSQL, MySQL or other relational databases.
● Experience with microservices architecture.
● Understanding of Rest API design and development.
● Hands on experience with Unit Testing frameworks such as Junit, Mockito.
● Experience with version control systems such as Git.
● Solid understanding of object-oriented programming.
● Strong problem-solving skills and attention to detail.
● Excellent communication and teamwork skills.
Preferred Qualifications :
● Strong knowledge of AWS services and best practices.
● Knowledge of containerization technologies like Docker and Kubernetes.
● Familiarity with CI/CD pipelines and DevOps practices.
Hello Everyone,
Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the 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.
Required Skills: • Exp. - 5 to 14 years.
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability 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 hassuccessfully 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.
Strong Senior Backend Engineer profiles
Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
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
Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)
BASIC QUALIFICATIONS
- At least 8+ years of IT experience most of which will have been in helping the design and implementation of the software suite/module.
- 2+ years on any Cloud Platform (AWS, Azure, Google etc).
- Bachelor’s degree in Information Science / Information Technology, Computer Science, Engineering, Mathematics, Physics, or a related field.
- Strong verbal and written communication skills, with the ability to work effectively across internal and external organizations.
- Strong programming skills in Java.
- Strong hands-on experience in integrating multiple databases like Oracle, SQL Server, PostgreSQL etc.
- Deep hands-on experience in the design, development and deployment of business software at scale.
- Customer facing skills to represent AWS well within the customer’s environment and drive discussions with senior personnel regarding trade-offs, best practices, project management and risk mitigation
- Leading/Involved in highly-available and fault-tolerant enterprise and web-scale software applications.
- Experience in performance optimization techniques
- High end Troubleshooting and Communication skills.
- Proven experience with software development life cycle (SDLC) and agile/iterative methodologies required
PREFERRED QUALIFICATIONS
- Implementing experience with primary AWS services (EC2, ELB, RDS, Lambda, API Gateway Route53 & S3).
- AWS Solutions Architect Certified
- Experience in programming languages like Java/Python.
- Demonstrated ability to think strategically about business, product, and technical challenges
- Integration of AWS cloud services with on-premise technologies from Microsoft, IBM, Oracle, HP, SAP etc.
- Experience with IT compliance and risk management requirements (eg. security, privacy, SOX, HIPAA etc.).
- Extended travel to customer locations may be required to sell and deliver professional services as needed
4 to 12 years of experience in IT Industry with 3+ years of expereince in Java, microservices skills
Responsibilities for Staff Engineer role:
- Having experience in Java/Python/Golang along with Springboot, Micorservices, RDBMS
- Experience required: 10yrs to 15 yrs.
We are looking for software development engineers to design and develop the backend systems for our consumer and partner-facing applications. You will work on massively scalable distributed systems and solve complex engineering problems
Reporting structure - Engineering Manager-Java
- Computer Science fundamentals in object-oriented design, design patterns, data structures, algorithm design,
- Proficiency with Java, Rabbit MQ, Kafka.
- Proficiency in Mongo DB, Cassandra, Redis.
- 3+ years of experience contributing to architecture and design in a product setup Information Technology
- Understand customer needs by collaborating with Product Managers and Business stakeholders
- Development, delivery and support of large-scale, distributed software applications and tools
- Use software engineering best practices to ensure a high standard of quality and maintainability for all deliverables
- Work in an agile, start-up-like development environment, where you are always working on the most important stuff.
- Take initiatives and come up with new ideas to invent solutions for customer
1. Be a visible leader to drive and own the architecture and design of some of the most advanced & complex software systems / products in the industry to create company wide impact
2. Design systems that can scale to billions of data records in micro service architecture
3. Design and develop full stack product features based on customer and business requirements
4. Be an operational and technical leader with a passion for distributed systems, cloud service development, deployment and delivery
5. Technically Hands-on with scalable Architecture managing team of (30+) Sr. Engineers / Engineers, and coaching mentoring while maintaining a hands-on role with code development
6. Drive code and design reviews of components / systems / products in scope and drives the architectural governance for them
7. Set directional paths for the teams/department for adoption of new technology stacks for solving business problems
8. Be a very visible representative of multiple technology domains and represent Salesken in external technical forums
9. Teamwork skills, flexibility, and ability to handle multiple tasks
10. Bring in software engineering life cycle best practice
11. Analytical and problem-solving skills
Desired Candidate Profile
1. Strong Java, Java 8 including OOAD design patterns
2. A solid engineer with must have knowledge and experience of Micro services design, security designs, and best practices
3. Excellent knowledge and skills in the areas of Java, Spring Boot, JSP/Servlet, J2EE design patterns, App server & Web servers
4. Strong hands-on technology experience building and running large scale systems handling multi-million sessions/transactions per day
5. Excellent knowledge of RDBMS, NoSQL databases like MySQL and Cassandra
6. Strong design/development experience in building massively large scale distributed internet systems and products
7. Excellent programming skills in Java and expertise in multi-threading and performance oriented programming
8. Sound knowledge of cloud platforms like GCP, AWS, Azure, etc
9. Solid experience in Distributed systems, highly scalable products, performance & reliability
10. Excellent understanding of processing platforms and queues
11. Excellent understanding of standard protocols such as HTTP/HTTPS, DNS, SSL, etc
12. Experience and knowledge of open source software, frameworks and broader cutting edge technologies around server side development in Java









