
Looking for Java Fullstack Developer with 4-5yrs of experience.
Job Rolre : Java Full Stack Developer
Experience : 4-5 yrs
Job Type : Permanent
Locations : Hyderabad/Bangalore/Chennai/Mumbai/Pune/Gurgaon
Notice Period : Max 30 Days
Description :
- Experience 4 – 5 years
- Good in Backend Springboot
- write Rest API (Should be strong in this area)
- Good Analytical ability, Good coding practice, Knowledge of Spring Security (Desirable),
- UI Knowledge of Angular (Average knowledge should be enough)

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Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
Experience in Core Java 5.0 and above, CXF, Spring.
Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.
Good knowledge of multi-threading and high-volume server-side development.
Experience in sales and trading platforms in investment banking/capital markets.
Basic working knowledge of Unix/Linux.
Excellent problem solving and coding skills in Java.
Strong interpersonal, communication and analytical skills.
Should have the ability to express their design ideas and thoughts.
Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.
As a Principal Engineer / Architect you will be responsible for creating a technical strategy and coordinating the designs for meeting the needs of Toast’s largest restaurant brands. You will partner with Product Managers to develop the technology roadmap that enables enterprise customers to leverage the power of Toast. You will also work closely with technical leaders and implementation teams across the organization to deliver robust, scalable solutions with integrations to customers’ external systems.
As the engineering leader on the Pricing & Funds Management team, you will be responsible for evolving our Funds Management platform (processing >$150B in annual GPV) to meet Toast’s growing needs across the world by both delivering best-in-class customer facing Fintech products and foundational capabilities that enable partner teams to accelerate their products time-to-market & scale.
If you’re a technical leader or a solutions architect, experienced with enterprise SaaS, passionate about customer value, and a great collaborator, read on!
About this roll*:
- Design mission critical platform components at scale to ensure Toast’s Funds Management platform accurately distributes funds to beneficial party in a timely manner
- Develop an expert understanding of Toast’s payments processing platform & adjacent products to enable funds flows across Toast’s financial product suite in a seamless manner
- Document solution design, write & review code, test and rollout solutions to production, capturing & actioning customer feedback to iteratively enhance customer experience
- Collaborate with peers to optimise for solution design performance, flexibility and scalable, including enablement of multi-product & engineering teams on a common framework & platform
- Partner with UX, Product Management, QA and adjacent engineering teams to build best-in-class solutions in a complex and fast-moving environment
- Champion best practices such as quality integration and unit testing
Do you have the right ingredients*?
- Strong technologist with 12+ years experience defining and implementing high scale SaaS solutions. Experience with a broad set of technologies that includes those used at Toast - tiered web applications, microservices, API design patterns, Java, Kotlin and data analytics
- Experience with integration design patterns across high-scale Fintech platforms
- Strong interpersonal skills and a proven track record of building partnerships across engineering, product, customer success, and other stakeholders.
- Experience shipping iterative value using agile or lean software delivery methods.
- Experience of tackling complex and ambiguous problems, communicate clearly with others to solve the problem, and share knowledge to help the whole team succeed
- Experience building payments & Fintech products, with at least 10+ years in the payments industry
Our Tech Stack
Toast’s products run on a stack that ranges from guest and restaurant-facing Android tablets to backend services in Java to internal, guest-facing and restaurant-facing web apps. Our backend services follow a microservice architecture written using Java 8 and DropWizard; we use AWS extensively, ranging from S3 to RDS to Lambda. We have our own platform for dealing with user management, service elevations and robust load balancing. Toast stores data in a set of sharded Postgres databases and utilizes Apache Spark for large scale data workloads including query and batch processing. The front-end is built primarily using React and ES6. The main Toast POS application is an Android application written in Java and Kotlin. For data between tablets and our cloud platform we operate RabbitMQ clusters as well as direct tablet communication to the back end.
Diversity, Equity, and Inclusion is Baked into our Recipe for Success
At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.
We Thrive Together
We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community.
Hi All,
Job Description:
As a Java Developer, you will be responsible for developing and maintaining high performance, scalable, and secure applications. We are seeking a skilled and motivated Java Developer with experience in the Spring Framework to join our dynamic team. This is a remote/work-from-home position, offering you the flexibility to work from anywhere.
Location : Remote / WFH
Salary : Good Hike on Current
Key Responsibilities:
- Design, develop, and maintain Java-based applications using the Spring Framework.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Write clean, maintainable, and efficient code.
- Ensure the performance, quality, and responsiveness of applications.
- Troubleshoot and debug issues to optimize application performance.
- Participate in code reviews to maintain high coding standards and best practices.
- Work with RESTful APIs and integrate third-party services.
- Contribute to all phases of the software development lifecycle, including requirements
- Gathering, design, implementation, testing, and deployment.
Key Requirements:
- 2 to 5+ years of experience in Java development.
- Strong experience with the Spring Framework (Spring Boot, Spring MVC, Spring Data, etc.).
- Proficiency in building RESTful APIs and web services.
- Solid understanding of object-oriented programming and design patterns.
- Experience with relational databases like MySQL, PostgreSQL, or Oracle.
- Familiarity with version control systems, particularly Git.
- Knowledge of front-end technologies such as HTML, CSS, and JavaScript is a plus.
- Ability to work independently and as part of a remote team.
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills.
Preferred Qualifications:
- Experience with cloud platforms like AWS, Azure, or Google Cloud.
- Familiarity with microservices architecture.
- Knowledge of containerization tools such as Docker.
- Understanding of Agile/Scrum methodologies.
Benefits:
- Work-from-home/remote opportunities.
- Opportunities for professional growth and development.
- Collaborative and inclusive work environment.
Company Description
Miko is an advanced artificial intelligence innovation lab with a mission to bring AI and robotics to every consumer home. Headquartered in Mumbai, India, our workforce spans several countries, including the
United States, Canada, Europe, and the Middle East. To check out various product offerings, visit Miko's website.
Position Overview:
We seek a highly skilled and experienced Senior/ Lead Software Engineer to join our innovative team. The ideal candidate will have a strong background in Java development and be proficient in various backend technologies and frameworks. The role involves designing, developing, and maintaining high-performance, scalable backend systems. The candidate should be comfortable working in a Linux environment and have hands-on experience with both SQL and NoSQL
databases, as well as modern containerization and orchestration tools.
Key Responsibilities:
• Design, develop, and maintain backend services using Java, Spring Boot, and Vert.x.
• Implement and manage database solutions using SQL and NoSQL databases.
• Work with Hibernate for ORM (Object-Relational Mapping).
• Develop and manage caching mechanisms with Redis.
• Implement messaging and streaming solutions using Kafka.
• Utilize Docker for containerization and Kubernetes for orchestration.
• Perform system designing to ensure high availability, scalability, and reliability of applications.
• Design and develop microservices or monolithic architectures based on project requirements.
• Collaborate with front-end developers and other team members to establish objectives and design more functional, cohesive code to enhance the user experience.
• Write clean, scalable code using Java programming languages.
• Revise, update, and debug code.
• Improve existing software.
• Develop documentation throughout the software development life cycle (SDLC).
• Serve as an expert on applications and provide technical support.
Mandatory Skills and Qualifications:
• Proven experience as a Java Backend Developer.
• Strong expertise in Java, Spring Boot, and Vert.x.
• Proficient in using Hibernate for ORM.
• Extensive experience with Linux operating systems.
• Hands-on experience with Git version control system.
• Solid understanding of SQL and NoSQL databases.
• Experience with Redis for caching.
• Practical knowledge of Kafka for messaging and streaming.
• Proficiency with Docker for containerization and Kubernetes for orchestration.
• Strong understanding of system designing principles.
• Experience with microservices or monolithic architecture.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently and as part of a team.
• Strong communication skills.
Preferred Skills:
• Familiarity with CI/CD pipelines.
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Understanding of network protocols and security.
Educational Qualifications:
• Bachelor's or Master’s degree in Computer Science, Information Technology, or a related field.
Why Miko?
• Cutting-Edge Technology: Work with the latest in AI, robotics, and software development.
• Dynamic Work Environment: Collaborative and inclusive culture encouraging creativity and innovation.
• Career Growth: Opportunities for continuous learning, mentorship, and professional advancement.
• Impactful Work: Contribute to products that enhance the learning and play experiences of children worldwide.
• Global Reach: Be part of a brand that has a significant international presence.
• Innovative Products: Develop revolutionary products like the Miko robot.
• Supportive Culture: Enjoy a diverse, inclusive, and well-balanced work-life environment.
• Competitive Compensation: Receive competitive salaries and benefits packages.
• Entrepreneurial Spirit: Bring your ideas to life in a company that values initiative.
• Community Engagement: Participate in outreach programs and initiatives that give back to the community.
- Strong experience in Java programming.
- Must have experience on MicroServices using Spring boots /Jersy /Swagger / any other Microservices technology stack
- Good experience in either Spring or Hibernate
- Must have at least 1to 2 years’ experience in Web application
- Knowledge of OOP concepts, industry best practices, and design
- Good understanding of web technology/enterprise-level applications
- Good to have experience in JavaScript frameworks
- Good to have experience in Agile Methodology
- Self-motivated and a Quick Learner
- Creative ideas with a problem-solving mindset.
- Ability to consistently perform and meet deadlines
- Attention to detail and follow-through
- A good understanding of customer satisfaction
- Ability to work effectively in a team as well as in an individual environment
- Excellent written and verbal communication skills
- Experience in corporate training with minimum 3.5 years of experience in Technical training
- Exposure into Core Java & Advanced Java
- Candidate should have good Presentation, verbal & written communication Skills.
- Good to have knowledge on FET

Your Opportunity
- Own and drive business features into tech requirements
- Design & develop large scale real time server side systems
- Quickly create quality prototypes
- Staying updated on emerging technologies
- Ensuring that all deliverables adhere to our world class standards
- Promote coding best practices
- Mentor and develop junior developers in the team
Required Experience
- 4+ years of relevant experience as described below
- Excellent grasp of Core Java, Multi Threading and OO design patterns
- Experience with Scala, functional, reactive programming and Akka/Play is a plus
- Excellent understanding of data structures and algorithms
- Solid grasp of large scale distributed real time systems
- Prior experience on building a scalable and resilient micro service
- Solid understanding of relational databases, NoSQL databases and Caching systems
- Good understanding of Big Data technologies such as Spark, Hadoop is a plus
- Experience on one of AWS, Azure or GCP
Who you are
- You have excellent and effective communication and collaborative skills
- You love problem solving
- You stay up to date with the latest technologies and then apply them in real life
- You love paying attention to detail
- You thrive in meeting tight deadlines and prioritising workloads
- Ability to collaborate across multiple functions
Education
Bachelor’s degree in Engineering or equivalent experience within the field
Required Technical Skills:
- Java (highly capable)
- SQL (highly capable)
- Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
- Strong knowledge of source code control systems (GIT)
- Confident with Windows, Linux, Unix operating systems including command line
- Working knowledge of JIRA
Beneficial Technical Skills:
- .Net
- C
- Javascript
- Experience in test management and test execution
- Experience of Agile development methods
Additional Skills and Behaviour Required
- Experience of full software development lifecycle
- Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
- Willingness to takes ownership of whole project and engineers assigned.
- Confident to make suggestions and recommendations for improvements.
- Excellent written and verbal communication skills and ability to build good rapport
- Fluency in English, both written and oral
- Collaborates with others to achieve objectives and ensure information flow
- Seeks assistance and feedback as appropriate
Education
- Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)
You’ll spend time on the following Developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance. Write maintainable/scalable/efficient code. Contributing in all phases of the development lifecycle. Continue to innovate and build solutions to support business growth and launch new features. Object-Oriented Analysis and design using common design patterns. Given a fuzzy product requirement, work with other stakeholders, product to understand & refine the requirements and change them to tech requirements Work in a cross-functional team, collaborating with peers during entire SDLC. Managing the developed applications and live support.
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We’re Excited About You If You Have Excellent coding skills in Java/J2EE Strong problem-solving skills, data structures and algorithms. Have experience in building and maintaining large scale web applications in service-oriented architecture. Good Understanding of Java 8 with proven hands-on skills Experience in Spring Framework - Spring Boot, Spring Data, Spring REST Experience in Spring Reactive Good understanding of SQL and MYSQL Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Understands version control branching strategies Understands different major language paradigms (object oriented / functional /reactive) Understanding of AWS is a plus Can reason about complexity of algorithms (time and space) Can debug code at ease and ensure quality code is produced Good verbal and written communication skills
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