Senior Software Engineer

Java Developer – 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. - 4 to 10 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 client facing 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 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. 

🚀 Key Responsibilities

• Act as the technical owner and point of contact from pre-sales through delivery for enterprise client engagements.
• Translate complex business requirements into scalable, extensible, and secure solution architectures.
• Design and document high-level and low-level architectures using industry best practices and patterns.
• Provide technical leadership across multiple projects, ensuring alignment with architectural standards and delivery goals.
• Conduct architectural assessments, POCs for clients and internal stakeholders.
• Collaborate with product owners, delivery managers, engineers, and clients to ensure architectural integrity throughout the SDLC.
• Evaluate and select appropriate tools, frameworks, platforms, and third-party services.
• Review code, configurations, and deployments for technical consistency and risk mitigation.
• Define and enforce non-functional requirements (performance, scalability, security, resilience).
• Continuously explore new technologies, patterns, and tools to improve architecture effectiveness and team productivity.
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🛠️ Required Skills & Experience

• 12+ years of hands-on software development and architecture experience, with at least 3+ years in a solution or enterprise architect role.
• Strong background in Java and the Spring ecosystem (Spring Boot, Data).
• Deep understanding of API design, integration patterns, message brokers (like Kafka, RabbitMQ), and distributed systems.
• Hands-on experience with relational databases (PostgreSQL, MySQL, etc.).
• Proficiency in designing systems for high availability, scalability, performance, and security.
• Clear understanding of engineering and build processes and DevOps pipelines.
• Experience in enterprise software domains such as fraud detection, risk management, banking, or financial services is a major plus.
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🔍 Soft Skills & Leadership Qualities

• Strong communication and presentation skills; capable of interfacing with C-level executives and developers alike.
• Demonstrated ability to influence technical direction across diverse teams.
• Proactive, self-starter mindset with a passion for solving complex problems.
• Experience working in agile and cross-functional teams.
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🌟 Preferred/Bonus Skills

• Certifications in cloud platforms (AWS Certified Solutions Architect, Azure Solutions Architect).
• Familiarity with ML/AI model integration and data pipelines.
• Exposure to fraud detection or financial compliance workflows.

We are India’s fastest-growing digital trust platform offering services such as background verifications, reference checks, employee/staff onboarding, etc. We have completed more than 500+ million checks across 3000+ happy clients and since its inception, the company has shown continuous uptrend growth in an ever-changing business environment. As an organization, we are self-sustainable with positive cash flows.

At OnGrid, we are focused on redefining and reimagining Trust. We are leveraging APIs to build a digital trust platform all while being accountable that provides verified credentials instantly coming from the source directly. Having built the basic pillars of trust, we now want our imaginations to be let loose and think of avenues not explored and ways never implemented before. In this pursuit, we are looking for a motivated Staff Engineer (Backend) with experience in building high-performing, scalable, enterprise-grade applications, joining us, driving this vision, and taking it to a larger scale. If you are a visionary, always on the lookout for finding the right solutions, and a technology geek, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for.

Roles & Responsibilities -

● Develop new user-facing features.

● Work alongside product to understand our requirements, and design, develop and iterate, think through the complex architecture.

● Writing clean, reusable, high-quality, high-performance, maintainable code.

● Encourage innovation and efficiency improvements to ensure processes are productive

● Ensure the training and mentoring of the team members

● Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.

● Research and apply new technologies, techniques, and best practices.

Requirements -

• Bachelors/Masters in Computer Science or a related field

• 5 - 10 years of prior relevant experience

• Experience with web technologies and microservices architecture

• Java, Spring framework

• MySQL, Mongo, Solr, Redis,

• Kubernetes, Docker

• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.

• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story • Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services

• Exceptional design and architectural skills

• Experience of cloud providers/platforms like GCP and AWS

Key Responsibilities:

• Lead and manage a team of Java developers, providing guidance and support
• Oversee the entire software development lifecycle, from requirements gathering to deployment
• Design, develop, and implement Java-based solutions that meet project requirements
• Collaborate with cross-functional teams to ensure project milestones are achieved
• Conduct code reviews, provide technical guidance, and ensure code quality and best practices

Requirements:

• Minimum 4 years of experience in Java development
• Strong knowledge of Java frameworks and technologies (Spring, Hibernate, etc.)
• Experience in leading and mentoring a team of developers
• Excellent problem-solving and analytical skills
• Good understanding of software development methodologies and processes

Fusion Softtech is one of the best offshore development companies based in Ahmedabad, India. We are a bunch of tech-savvy individuals who together as a teamwork to have great expertise in the latest technologies and developments so as to be able to cater the best of the services in the domain of Technology.

We, ensure being the hard core Technoids that our clients around the globe are given the best of our facilities through advancements in technologies which would actually help to make their lives a better place. What we do? We are specialized in creating user-friendly web-designs and applications with a primary goal to be simple and effective for use. We work hand-in-hand with your visions and goals to optimize your business/product. We provide you an end-to-end solution.

• Lead a team, handle client, conduct technical interview, and provide training to new joiners.
• Design, implement, and maintain web application phases.
• Conduct software analysis, programming, testing, and debugging
• Identifying production and non-production application issues
• Transforming requirements into stipulations.
• Should have knowledge of Data structures
• Develop, test, implement and maintain application software
• Recommend changes to improve established software application processes
• Ability to develop logical and high-quality code which meets functional specifications along with technical requirements for reusability, maintainability and scalability when appropriate application code for java programs.
• Ability to perform technical analysis based on requirements to establish architecture approach and create detailed design in support of the requirements.
• Excellent written and verbal communication skills, worked for foreign client would be an added advantage.

Technical Skills:
OOPS, Java, J2EE, Spring MVC, Spring Boot , Spring security and Spring Batch SOAP, REST API, Logging Framework, Hibernate, XML, JEE (Servlets/JSP/JMS), web services experience, microservices, AWS, Kubernetes, ELK Stack, Multithreading, GIT

Key Skills and Experience:

• Min 5+ years of experience in the JAVA/J2EE.
• Experience with RESTFUL Web services.
• Experience in portal & web content management
• Hands-on experience on Javascript frameworks Alloy UI and JQuery.
• Hands-on experience in software development using J2EE Frameworks Spring, Spring Boot, Struts, Hibernate.
• Basic knowledge of Javascript, HTML5, and CSS3.
• Good to have experience or Knowledge in AngularJS, ReactJS, different AWS services like S3, EC2, DynamoDB, Lambda function.
• Exposure in any of the Databases -MySQL/Postgres/Oracle/DB2 etc.

Perks and Benefits:

• Flexible working hours.
• 5 days working
• Fun loving environment with ample scope for flexibility.
• Exposure to work for foreign clients
• Employee friendly leave & Company Policies.
• Best working culture

• 5-7+ years of commercial Java development experience
• Experience with well known Open Source frameworks/libraries, like Spring Boot
• Work experience with Docker
• Microservice experience
• Experience with AWS like ECS, Lambda, SQS, RDS, Kinesis streams
• Familiar with iterative development
• Upper-intermediate level of English
• Solid understanding of communication and network protocols (TCP/IP, HTTP).
• At ease with Unix/Linux
• Excellent analytical and debugging skills
• Familiar with both SQL and noSQL databases (MySQL, DynamoDB, Memcached, Redis)
• Practical experience with scaling applications to big user numbers is a plus
• Experience with other programming languages is a plus.

About us:

NetCracker Technology, a subsidiary of NEC Corporation, is the leading provider of BSS/OSS solutions to service providers around the world. From billing, customer care, and real-time charging and policy solutions, to resource and network management, service fulfillment & assurance, our comprehensive software and services capabilities enhance the customer experience through content-rich offerings and reduced costs.

NetCracker's innovative end-to-end BSS/OSS solutions enable service providers to operationalize next-generation connectivity, maximize the convergence of Network and IT, monetize content, and deliver a compelling customer experience.

Founded in 1993, NetCracker became a subsidiary of NEC Corporation in 2008 and acquired the Convergys Information Management division in 2012. We are CMML 5, Product based company. 

Job Responsibilities:

• Work as a member of development team towards the Product Suite
• Estimating efforts and duration on development
• Involved in solution implementation projects
• Interaction with Business Analysts, Quality Assurance and Customer Support teams
• Provide expertise and best practices on technical aspects of product development and implementation projects including performance
• Introduce new development technologies, instruments and techniques

Job Requirements:

• Experience in writing technical design and development of the application
• Good understanding and hands-on work experience in Core Java/J2EE & concepts such as OOPS, multithreading, Collections, Concurrency, Exception Handling, JDBC, File I/O, XML APIs etc
• Should have worked on Java 1.8
• Design skills –Design Patterns, hands on in restful services
• Working experience on spring core
• Hands on in writing complex SQL queries
• Knowledge of web-services (REST and SOAP);
• Familiarity with NOSQL [eg. Mongo DB] is preferred;
• Familiarity with message queues like Kafka.
• Know-how on containerization applications like Docker, Kubernetes is preferred.
• Proficient understanding of code versioning tool – SVN.
• Hands-on experience in writing Unit tests using Junit.
• Working experience in Jenkins, Maven, SonarQube.
• Experience in tuning applications based on Performance tests/ Load tests/ Stress tests is preferred.
• Knowledge of development lifecycle, standards, approaches, utilities and environment: shells, IDEs.
• Familiarity with JIRA / JQL is an added advantage 

Experience:

• 5 to 11 years of core development / Product experience

Education:

• BE/Btech/MCA