
Java 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. 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. Experience: 8–13 years in Java development. Domain Expertise: Background in product-based companies, investment banking experience preferred. Leadership: Proven ability to lead teams of 3–4 members. Technical Depth: Hands-on with complex systems and distributed architectures. Soft Skills: Strong analytical thinking, problem-solving, and excellent communication. Process Knowledge: Expertise in end-to-end SDLC and Agile methodologies. Tech Stack ● Languages & Frameworks: Core Java, J2EE, Spring Boot, Spring Framework. ● Architecture: RESTful APIs, Microservices. ● Persistence: Hibernate/JPA. ● Databases: Postgres, MySQL (or similar). ● Tools: Maven/Gradle, CI/CD pipelines. ● Cloud: AWS/Azure (nice to have).

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 Summary
We're looking for a Senior Backend Software Development Engineer (SDE 2 and SDE 3) with deep technical expertise in building and operating production systems at scale. You'll own entire components/services within microservices and data pipelines that handle ~200K queries per second and process petabytes of data daily. This role demands hands-on coding excellence, strong Low-Level Design (LLD) skills, and complete ownership—from component architecture through infrastructure management to cost optimization. You'll architect solutions, lead technical decisions, and drive operational excellence while shipping code daily.
Key Responsibilities:
- Component Ownership: Own one or more critical components/services end-to-end—responsible for architecture, development, deployment, operations, and evolution
- Technical Ownership: Own the entire lifecycle of your components—design, implementation, testing, deployment, monitoring, incident response, and continuous improvement
- Low-Level Design: Create detailed technical designs (LLD) for complex systems—defining data models, APIs, concurrency patterns, and failure modes
- Hands-on Development: Write production-grade code daily—this is not a purely architectural role; you'll be deep in the codebase
- Infrastructure Ownership: Own and operate the infrastructure your components run on—capacity planning, scaling, reliability improvements
- Cost Management: Drive cost optimization for owned components—analyze spending, identify waste, implement efficient architectures
- Scale & Performance: Build and optimize systems handling 200K+ QPS and petabyte-scale data processing
- Observability: Design and implement comprehensive monitoring, alerting, and debugging capabilities for owned components
- Incident Leadership: Lead incident response for your components and related services, conduct post-mortems, drive systemic improvements
- On-Call Excellence: Participate in on-call rotations and ensure your components are operationally sound (runbooks, alerts, dashboards)
- Technical Roadmap: Define and drive the technical roadmap for your owned components—balancing feature development, tech debt, and operational improvements
- Technical Mentorship: Guide junior and mid-level engineers on system design, code quality, and production best practices
- Cross-functional Collaboration: Work with product, infra, and other eng teams to define requirements and deliver solutions
- Agile Execution: Break down complex projects, deliver incrementally in daily cadence, iterate based on feedback
Required Qualifications:
- Experience: 2+ years building and operating backend systems in production environments at scale
- Education: B.E./B.Tech in Computer Science or equivalent practical experience
- Component Ownership: Proven track record of owning significant components or services from inception to maturity—demonstrable end-to-end ownership
- Low-Level Design (LLD): Proven ability to create detailed technical designs—data structures, algorithms, API contracts, concurrency models, failure handling
- Programming Mastery: Expert-level proficiency in at least one modern language (Go, Python, Java, NodeJS etc.) with track record of writing maintainable, performant production code
- Databases: Deep hands-on experience with SQL and NoSQL databases—schema design, query optimization, indexing strategies, operational troubleshooting
- Microservices at Scale: Extensive experience building, deploying, and operating microservices handling high throughput and large data volumes
- Data Pipelines: Strong background designing and running data processing pipelines at scale (batch and/or streaming)
- Observability: Expert understanding of metrics, logging, tracing, and alerting—you know how to make systems debuggable
- Production Operations: Significant experience with incident response, on-call rotations, debugging live issues under pressure
- Infrastructure Knowledge: Hands-on experience managing infrastructure, understanding resource utilization, capacity planning
- Cost Consciousness: Experience analyzing and optimizing infrastructure costs at scale
- Distributed Systems: Strong fundamentals in distributed systems, concurrency, consistency models, and failure scenarios
- Accountability: Track record of taking full ownership—from design through deployment to ongoing operations and improvements
Preferred Qualifications:
- Experience with cloud platforms (GCP, AWS, or Azure) including cost management tools
- Kubernetes and container orchestration at scale
- Infrastructure as Code (Terraform, Pulumi, etc.)
- Streaming data systems (Kafka, Pub/Sub, Kinesis, Flink, etc.)
- SRE principles and reliability engineering practices
- Experience with FinOps or infrastructure cost optimization
- Performance profiling and optimization (CPU, memory, I/O)
- Technical leadership experience including mentorship of teams and driving multi-component initiatives
- Open source contributions or recognized technical writing
2. Hands-on experience with Hibernate/JPA
3. Added advantage if known MicroServices and Design Patterns
4. Experience working with tools like Git, Jenkins, Maven
5. Working knowledge with Oracle or MySQL Database
6. Strong agile/scrum development experience
Skills Required:
- 4+ years of technical experience in a developer role
- Strong proficiency with Core Java
- Database experience preferably with DB2, Sybase, or Oracle
- Complete SDLC process and Agile Methodology (Scrum)
- Strong oral and written communication skills
- Excellent interpersonal skills and professional approach
- Bachelor’s degree in Computer Science, MIS, or other technology/engineering discipline
Skill Desired:
-Strong proficiency with Scala on Spark
- Previous experience in front office and back office reports
- Strong understanding Order Life Cycle management from Equities or Listed derivatives perspective
- Previous experience in Trade Surveillance or working with data from the order lifecycle
- Good to have knowledge on Hadoop Technologies
- High quality software architecture and design methodologies and patterns
- Work experience as level-3 support for applications
- Layered Architecture, Component based Architecture
- XML-based technologies
- Unix OS, Scripting, Python or Perl
- Experience in development on other application types (Web applications, batch, or streaming)
Job description
Java Struts Developer
Exp level- 2 to 5 years
Education- Btech, Mtech or MCA
Location- Noida
Need immediate joiners or a Notice period of 15 days.
Job Responsibility-
- Write clean, scalable code using Java programming languages
- Revise, update, re-factor, and debug code
- Participate as a team member in all phases of the S/W lifecycle, including the analysis and design of S/W systems
- Participate in integrated testing of product/ package
- Participate in difficult and typical coding assignments with the responsibility of a small module consisting of 3 5 members
- Participate in exploration/ feasibility study of different modules
- Develop documentation throughout the software development life cycle (SDLC)
- Document and demonstrate solutions by developing documentation, flowcharts, layouts, diagrams, charts, code
- comments and clear code; Ensuring that project tasks are completed in defined effort and timelines Testing: Writing of test cases, unit testing, system testing, and negative testing Troubleshooting Log analysis and database query optimization Updating job knowledge by studying state-of-the-art development tools, programming techniques computing equipment; participates in educational opportunities, reads professional publications maintain personal networks
- Provide information by collecting, analyzing, and summarizing development service issues
- Develop software solutions by studying information needs, conferring with users, studying system flow, data usage and work processes, investigating problem areas, following delivery cycle
- Ensure compliance with Newgen/Client Quality Systems and Procedures
- Maintains confidentiality of information wherever required
Desired Profile -
- The incumbent should be BE/B Tech/MTech Computer Science Graduates preferably with 70% in 10/12th and 60% above in the rest of the academics
- Must have 2-3 years in Java programming
- Strong knowledge of Core Java concepts such as (Collections, Threads, OOPs etc)
- Good knowledge of Struts framework
- Knowledge of the creation of SOAP/REST/ADF-based web services
- Must have knowledge of Oracle database concepts such SQL query writing, creation of Procedures, Cursors, Triggers, Functions etc
- , also, should be able to write PL/SQL blocks
- Knowledge of Flutter and Oracle Workflows will be preferred
- Knowledge of WebLogic server Configurations and Deployments
- Must have Knowledge of CSS, JavaScript, and JavaScript libraries like jQuery etc
- Must be able to write business-related algorithms efficiently
- Should be having flexibility, adaptability to work schedules, effective verbal and written communication and teamwork

- Strong experience with one or more general purpose programming languages including but
not limited to: Python, Java, C/C++, C#
- Demonstrated expertise working with at least one modern enterprise application frameworks like
Spring Boot, Play Framework, Django
- Demonstrated expertise in building scalable distributed applications in microservices architecture
- Expert knowledge of best practice software engineering methodologies and coding standards
- Strong and proven advocacy for Test Driven Development is preferred
- Experience with SQL (mySQL, Postgres, etc) and NoSQL (MongoDb, DynamoDB, Aerospike or Redis)
- Production experience in running cloud-based enterprise-grade systems at scale
- Natural ability to process requirements, figure out multiple execution options, their complexity, and
estimate the scope of work required to get tasks done
- DevOps experience
- Cloud experience (AWS required, Google Cloud Platform bonus
Responsibilities:
- Writing reusable, testable, and efficient
- Design and implementation of low-latency, high-availability, and performant
- Integration of user-facing elements developed by front-end developers with server side
- Implementation of security and data
- Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design
- Experience working on Agile Scrum and DevOps aligned delivery
- Interest and ability to learn other coding languages as
- Strong communication skills and great product
- Proficient communication skills verbal and
- Understanding of accessibility and security compliance depending on the specific
- Knowledge of user authentication and authorization between multiple systems, servers, and environments.
- Understanding of fundamental design principles behind a scalable
- Familiarity with event-driven programming in
- Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific
- Able to create database schemas that represent and support business
- Strong unit test and debugging
Skills:
- Expert in Python, with knowledge of at least one Python web framework such as Django, Flask, etc depending on your technology
- Familiarity with some ORM (Object Relational Mapper)
- Able to integrate multiple data sources and databases into one
- Understanding of the threading limitations of Python, and multi-process
- Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology
- Basic understanding of front-end technologies, such as JavaScript, HTML5, and
- Proficient understanding of code versioning tools such as Git, Mercurial or
About us :
BharatPe was co-founded by Ashneer Grover and Shashvat Nakrani in 2018 with the vision to make financial inclusion a reality for Indian merchants.
BharatPe launched India's first UPI interoperable QR code, first ZERO MDR payment acceptance service, and first UPI payment backed merchant cash advance service.
In 2020, post-Covid, BharatPe also launched India's only ZERO MDR card acceptance terminals - BharatSwipe. Currently serving over 50 lakh merchants across 35 cities, the company has grown business 30x in 2019 and is a leader in UPI offline transactions, having processed 5 crore+ UPI transactions a month (annualized TPV of US$ 5+ Bn).
INVESTORS :
- The company's list of marquee investors includes Beenext, Sequoia, SteadView Capital, Ribbit Capital, Coatue Management LLC, Insight Partners, and Amplo.The company has already facilitated disbursement of over Rs. 500 crores to its merchants since launch.
- Total Funding : $283.5M
- Latest Funding : Series D
- Why Join BharatPe ?
- Quality of work : Our current tech setup is serving us well for now. But, at our pace of growth, we know we will outgrow it soon. So, we are rebuilding our tech stack from scratch. Be it infrastructure as code, containerization and orchestration, event driven microservices, stream processing, or intrusion kill chain, we have a clear roadmap as well as prior experience of building modern state-of-the-art technology architecture. This is an excellent opportunity to build a world class tech setup from scratch and take it to scale.
- High operating freedom : We believe in ownership and accountability rather than command and control. Our teams are structurally empowered to operate with a lot of freedom, with effective mechanisms built within the teams to help with sound yet quick decision making.
- Experimentation and risk taking is encouraged to achieve ambitious goals.
- Competitive compensation.
- Cash and high growth equity.
- We pay good cash and our equity is growing at a very fast pace.
- We have a good team, proven business, and ample capital. Thus, the downside risk is low and upside potential is high.
- We are accelerating full throttle.
- This is the best stage to join a startup.
- Positive culture.
- We believe new ideas can come from everywhere, so we are always on the lookout. Instead of carrot and stick approach, we appeal to internal motivation to excel.
- We are strong team players - we build on each other's strengths and have each other's back in failures.
Requirements :
- Innovative and self-motivated with passion to develop complex and scalable applications.
- 2-5 years of experience in software development with strong focus on algorithms and data structures.
- Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate.
- Work experience with Relational databases is required (Primarily MySQL).
- Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
- Strong Analytical and Problem Solving Skills.
- B Tech/BCA from IIT or BE in computer science from a top REC/NIT.
About US: Newbie Soft Solutions is an IT service provider focused on providing solutions in niche areas to support and build future -ready, resilient solutions for medium sized industries and growth-focused technology organizations.
The name NEWBIE signifies a new chapter, a new beginning in the field of staffing solutions. Founded in 2015, we have grown from strength to strength with a strong presence across India, United States and Australia. Our offerings include Staffing Solutions, IT Consulting, Business Intelligence, Security Solutions, Legacy Application Management and Modernization. We value consistency, which is our core principle, to reach the end goal of complete user satisfaction. We constantly strive to outperform our competitors to become the leaders in digital revolution.
Job Requirement :
- Clear understanding of end to end communication of service calls via API Gateway/Service Mesh/Service Registry
- Experience on Springboot/SpringCloud/Restful Webservices
- Experience in containerisation (Docker) and Kubernetes in terms of creating container images and writing manifest files/helm charts on designing PODs/Side-car patterns etc.
- Good design experience on Web Applications (backend) & since we operate as a DevOps pod we would expect the person be involved in production deployments/support.
- Exposure to usage of CI-CD tools like Git/Jenkins/Maven/Sonar/Junit/CheckMarx/Netsparker/Cucumber








