
Senior Software Engineer (Java)
We are looking for a Senior Software Engineer - Java
If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.
An exhaustive list of expectations :
✓ Design and implement cutting-edge applications
✓ Participate in code reviews and application debugging and diagnosis.
✓ Practice modern software development methodologies such as continuous delivery, and scrum.
✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.
Requirements -
✓ Knowledge and 5+ years of experience in developing Java applications
✓ A completed technical degree in Computer Science or any related fields.
✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.
✓ Solid experience in the design and implementation of Restful APIs and design patterns.
✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack
✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.
✓ Curiosity, out of box problem-solving abilities, and an eye for detail.
✓ Passion for clean code
What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.
Number of position – 3
Job Location – kolkata, Sector 5

About senrysa technologies (p) ltd
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Experience: 10 to 20 years
Location: Bangalore
We are seeking a passionate and skilled Java Technical Lead with 8 to 12 years of experience in product
development and team leadership. As a key member of our global software development team, you
will be responsible not only for solving complex technical problems but also for leading and mentoring
engineers, driving the design of scalable systems, and ensuring high quality delivery across projects.
Experience in leading development teams, managing end
to end project delivery, and working directly
with clients to translate business problems into technical solutions is essential.
Key Responsibilities:
Lead the design, development, testing, a nd deployment of scalable Java applications.
Break down client/business problems and define clear technical tasks for the team.
Provide technical guidance and mentorship to team members throughout the development
lifecycle.
Collaborate with cross functiona l teams to deliver new features and enhancements.
Participate in and lead code reviews, ensuring adherence to best practices and maintaining
code quality.
Own and drive the architecture and design discussions for new modules and systems.
Ensure timely deli very of project milestones and proactively resolve technical blockers.
Evaluate and integrate new tools and technologies to improve efficiency and product quality.
Serve as the primary technical point of contact for your team and stakeholders.
Required Ski
lls:
8+ years of hands on experience in Java development.
Proven experience in building products or applications from scratch (not just
maintenance/support).
Strong object oriented programming skills and hands on experience with Spring, Spring Boot,
Hibernate, etc.
Solid understanding of system architecture, design patterns, and microservices architecture.
Experience in leading small to mid sized teams and managing technical delivery.
Proficiency in data structures, algorithms, and performance optimiz ation.
Strong communication and stakeholder management skills.
Experience working with RESTful APIs and cloud platforms such as AWS, Azure, or GCP is a
plus.
Good understanding of SQL and NoSQL databases.
Strong debugging, troubleshooting, and problemStrong debugging, troubleshooting, and problem--resoresolution skills.lution skills.
Desired Attributes:
Desired Attributes: Excellent problemExcellent problem--solving and decisionsolving and decision--making skills.making skills. High levels of ownership, accountability, and selfHigh levels of ownership, accountability, and self--drive.drive. Strong team leadership and collaboration abilities.Strong team leadership and collaboration abilities. Proactive attitude and commitment to engineering excellenProactive attitude and commitment to engineering excellence.ce. Recognitions or awards in previous roles are a big plus.Recognitions or awards in previous roles are a big plus. Passion for continuous learning, coaching others, and improving team capabilities.Passion for continuous learning, coaching others, and improving team capabilities.
About Wissen Technology:
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unpa
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain ralleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group 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 and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with bestCanada, with best--inin--class infrastructclass infrastructure and development facilities. Wissen has successfully delivered ure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional
Wissen Technology provides exceptional value in mission critical projects for its clients, through value in mission critical projects for its clients, through thought leadership, ownership, and assured onthought leadership, ownership, and assured on--time deliveries that are always ‘first time right’.time deliveries that are always ‘first time right’.
Our team consists of 1500+ highly skilled professionals, with leadership and senior management
Our team consists of 1500+ highly skilled professionals, with leadership and senior management eexecutives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and xecutives 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.with rich work experience in some of the biggest companies in the world.
Wissen Technology offers an array of services including Application Development,
Wissen Technology offers an array of services including Application Development, Artificial Intelligence Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
We have been certified as a
We have been certified as a Great Place to WorkGreat Place to Work®® for two consecutive years (2020for two consecutive years (2020--2022) and voted 2022) and voted as the Top 20 AI/ML vendor as the Top 20 AI/ML vendor by CIO Insider.by CIO Insider.
Job Description:
As a Backend Developer, you will:
- Implement server-side logic to ensure high performance and responsiveness to requests from the front-end.
- Integrate machine learning models for fraud detection, enhancing the security and reliability of our applications.
- Manage database operations, ensuring the integrity, security, and efficiency of data storage and retrieval.
- Collaborate with cross-functional teams to develop and maintain scalable, robust, and secure applications.
Responsibilities:
- Development of all server-side logic, definition, and maintenance of the central database.
- Ensuring high performance and responsiveness to front-end requests.
- Integrating data storage solutions, including databases, key-value stores, blob stores, etc.
- Implementing security and data protection measures.
- Integrating machine learning models for advanced data processing and analysis.
Key Performance Indicators (KPI) For Role:
- Quality and efficiency of backend systems developed.
- Effectiveness in integrating and deploying machine learning models.
- Database performance and security measures.
- Positive feedback from team members and stakeholders.
- Adherence to coding standards and best practices in backend development.
Prior Experience Required:
- Minimum 3+ years of backend development experience.
- Proficient in Node.js or Python (especially Django and Flask frameworks), or/and Go.
- Strong database management skills with both SQL and NoSQL databases.
- Experience in integrating and deploying machine learning models for real-world applications, specifically for fraud detection is highly desirable.
- Familiarity with RESTful API development and microservices architecture.
- Good understanding of asynchronous programming and its workarounds.
- Experience with cloud services (AWS, Azure, GCP) and serverless architectures.
Location:
Hyderabad
Collaboration:
The role involves close collaboration with frontend developers, data scientists, and project managers to ensure the seamless integration of backend services with front-end applications and data analytics models.
Salary:
Competitive, based on experience and market standards.
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Language Skills:
- Strong command of Business English, both verbal and written, is required.
Other Skills Required:
- Strong analytical and problem-solving skills.
- Proficient understanding of code versioning tools, such as Git.
- Ability to design and implement low-latency, high-availability, and performant applications.
- Knowledge of security compliance and integrated security protocols.
- Familiarity with continuous integration and continuous deployment (CI/CD) pipelines.
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
Other Requirements:
- Proven ability to work in a fast-paced, agile development environment.
- Demonstrated ability to manage multiple projects simultaneously and meet deadlines.
- A portfolio showcasing successful backend projects.
Extensive experience in Appian BPM application development
· Knowledge of Appian architecture and its objects best practices
· Participate in analysis, design, and new development of Appian based applications
· Mandatory Team leadership and provide technical leadership to Scrum teams
Certification Mandatory- L1, L2 or L3
· Must be able to multi-task, work in a fast-paced environment and ability to resolve problems faced
by team
· Build applications: interfaces, process flows, expressions, data types, sites, integrations, etc.
· Proficient with SQL queries and with accessing data present in DB tables and views
· Experience in Analysis, Designing process models, Records, Reports, SAIL, forms, gateways, smart
services, integration services and web services
· Experience working with different Appian Object types, query rules, constant rules and expression
rules
Qualifications
· At least 6 years of experience in Implementing BPM solutions using Appian 19.x or higher
· Over 8 years in Implementing IT solutions using BPM or integration technologies
· Experience in Scrum/Agile methodologies with Enterprise level application development projects
· Good understanding of database concepts and strong working knowledge any one of the major
databases e g Oracle SQL Server MySQL
Additional information
Skills Required
· Appian BPM application development on version 19.x or higher
· Experience of integrations using web services e g XML REST WSDL SOAP API JDBC JMS
· Good leadership skills and the ability to lead a team of software engineers technically
· Experience working in Agile Scrum teams
· Good Communication skills.
Development Skills:
● Experience in developing real time software using C++ on Linux platform Design and
develop C++ Microservices for use in distributed systems.
● Experience with RESTful API development
● Experience installing, configuring, administering, monitoring, and troubleshooting
message brokers, ESB such as RabbitMQ, Kafka, MuleSoft etc
● Experience working with cloud and containerization technologies including AWS,
Google Cloud, Docker, Kubernetes etc.
● Improve quality of existing code base through debugging, re-factoring, and improving
unit and system tests
● Ability to work in a fast-paced environment with Agile mindset.
● Experience working with Scrum APM practices and tools including Jira, Confluence,
Git etc.
Networking Skills
● Understanding of Core Network protocols
● Experience in developing or integrating with real-time systems for networking
products
● Experience in developing with Software Defined Network Elements is an asset
● Understanding of Network protocols and access (MPLS, OpenBGP, OpenFlow) is an
asset
● Understanding of networking principles and concepts (SDN-WAN, SDN, labelling,
routing etc.) is an asset
● Understanding of 3GPP/5G network management, including Radio configuration,
QoS management, SLA management, Netconf, SNMP, directives is an asset
Job description
- Design and develop large-scale business application using Java, Spring boot, Microservices Architecture
- Design and develop software application code by analyzing requirements and specification using Java and J2EE
- Creating webservices (SOAP/RESTful) and consuming webservices
- Strong fundamentals OOPS concepts, Exception Handling, Coding Standards
- Experience in MySQL/MSSQL/Oracle
- Experience in SDLC methodologies Agile / waterfall
- Good understanding of data structures and algorithms
- Basic working knowledge of Unix/Linux
- Must possess strong problem solving and troubleshooting skills
- Excellent team player with strong verbal & written communication skills.
Role- Software Development Engineer-2
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++ 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.
- Complete experience in the Spring Framework
- proficient knowledge of SQL and NoSQL must
- Hands-on experience in designing and developing applications using Java EE platforms
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
- Contributing in all phases of the development lifecycle
- Writing well designed, testable, efficient code
- Excellent Communication Skills
- Willingness to own a responsibility
- Ability to work in a team as well as an individual
- Ability to work under pressure and maintain deadlines
- Good to have worked on end to end in projects

As part of the engineering team, you would be expected to have
deep technology expertise with a passion for building highly scalable products.
This is a unique opportunity where you can impact the lives of people across 150+
countries!
Responsibilities
● Own architecture, design, development, and implementation of different modules/features of the services
● Design, develop, deploy and support web applications.
● Discover opportunities for performance improvements
● Recommend ways to improve reliability, efficiency and code quality
● Focus on continuous delivery and reducing complexity
● Carry out code reviews and manage pull requests
● Build applications based on micro-services architecture
Requirements
● Overall 1-3 years of experience in Backend development.
● B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
● Strong object oriented design skills & knowledge of design patterns
● Experience designing & developing distributed systems involving multiple web services, databases (both SQL and NoSQL), caches, queues, etc. taking into consideration scalability, availability, fault tolerance, consistency, etc. of the overall system
● Well-aware of and enforces development best practices: Unit Tests, Code Reviews,
Integration Tests, CI/CD, Monitoring, Alerting, etc
Requirements:
- Academic degree (BE / MCA) with 3-10 years of experience in back-end Development.
- Strong knowledge of OOPS concepts, Analyzing, Designing, Development and Unit testing
- Scala technologies, AKKA, REST Webservices, SOAP, Jackson JSON API, JUnit, Mockito, Maven
- Hands-on experience with Play framework
- Familiarity with Microservice Architecture
- Experience working with Apache Tomcat server or TomEE
- Experience working with SQL databases (MySQL, PostgreSQL, Cassandra), writing custom queries, procedures, and designing schemas.
- Good to have front end experience (JavaScript, Angular JS/ React JS)









