Java Developer

Lead Java Developer (Spring Boot)

Job Type: Full-Time

Location: Chennai/Pune

Work Mode: Hybrid

Experience: 7+ Years

Key Responsibilities:

• Lead the design and development of scalable backend applications using Java and Spring Boot.
• Mentor and guide a team of developers to ensure high-quality deliverables.
• Take ownership of solution architecture, coding standards, and design patterns.
• Develop and manage RESTful APIs and integrate third-party services.
• Collaborate with front-end teams, QA, and stakeholders to align technical implementation with business goals.
• Oversee deployments in hybrid cloud environments in coordination with DevOps teams.
• Conduct code reviews, lead design discussions, and manage agile development processes (Scrum/Kanban).
• Monitor application performance and drive improvements proactively.
• Troubleshoot and resolve complex software issues across systems and services.

Required Skills:

• 7+ years of professional experience in Java development.
• Strong hands-on expertise in Spring Boot and microservices architecture.
• Working knowledge of Node.js and JavaScript/TypeScript.
• Experience with REST APIs, SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Familiar with CI/CD pipelines, Git, and modern DevOps practices.
• Proven ability to lead distributed teams and manage deliverables in a remote/hybrid work setup.
• Strong communication, leadership, and problem-solving skills.

• Strong knowledge of JavaScript, TypeScript, and Node.js (experienced in Nest.js, Express.js, or any other framework).

• Knowledge of AWS technologies such as DynamoDB, Elasticsearch, relational and NoSQL databases, EventBridge and messaging and queuing solutions like SQS, SNS (or any other cloud platform like Google Cloud or Azure).

• General understanding of common design and architectural patterns, with the ability to produce elegant designs in back-end, REST API, EDA and microservice architectures.

• Passion for delivering clean code, API tests, and maintainable documentation.

• Familiarity with Agile/Scrum methodologies and DevOps best practices.

• Knowledge of common frameworks such as GitLab, Docker, and CI/CD solutions. 

About the Role:

We are looking for a Software Architect with extensive experience in designing scalable software systems and backend architectures using .NET or Java. This role involves high-level technical decision-making, mentoring engineering teams, and ensuring the technical integrity and evolution of backend systems. Domain experience in healthcare is highly desirable.

Key Responsibilities:

• Architect and design enterprise-level backend systems and scalable APIs.
• Define technology stack, coding standards, and design principles.
• Collaborate with product and engineering teams to translate business needs into technical architecture.
• Review and guide development efforts to align with architectural vision.
• Conduct system performance analysis and ensure robustness and scalability.
• Stay updated with emerging technologies and recommend relevant adoption.

Required Skills:

• 10+ years of hands-on experience in backend development with .NET or Java.
• Proven experience in a Software Architect or equivalent senior-level technical role.
• Expertise in microservices, cloud-native architecture, and design patterns.
• Strong knowledge of SQL/NoSQL databases, API security, and systems integration.
• Experience in system design, documentation, and architectural diagrams.

Preferred Skills:

• Deep understanding of the healthcare domain and its compliance requirements.
• Experience with cloud platforms (Azure, AWS, or GCP).
• Exposure to DevOps, CI/CD pipelines, and monitoring tools.
• Familiarity with frontend stacks and full-stack application design.

What We Offer:

• Strategic and impactful role in shaping product architecture.
• Collaborative and forward-thinking environment.
• Opportunities for professional growth and innovation.
• Flexibility in working model with a focus on delivery.

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.

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. - 5-8 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.

Node.js Developer / NestJS Developer – Job Description

A Bachelor’s Degree or Master’s Degree in Computer Science is preferred with excellent problem solving skills.

Job Type: Full-time

Job Location: Bengaluru (on site)

Preferred Skills: TypeScript / Nodejs, SQL/ MySQL

Experience: Min 2yrs in similar Role.

Responsibilities:

• Develop and Maintain Server-side Logic: Design, implement, and maintain the server-side logic using Node.js, ensuring high performance and responsiveness to requests from the front-end.
• API Development: Build and maintain RESTful APIs for seamless integration with front-end services and third-party applications.
• Database Management: Work with databases (such as MongoDB, MySQL, PostgreSQL) to ensure data consistency, reliability, and optimal performance.
• Code Quality and Testing: Write clean, maintainable, and efficient code. Implement automated testing platforms and unit tests.
• Collaboration: Work closely with front-end developers, designers, and other team members to define and implement technical solutions that meet business requirements.
• Troubleshooting and Debugging: Identify issues, debug, and resolve bugs and other technical problems in a timely manner.
• Documentation: Create and maintain documentation related to application development, API usage, and system operations.
• Stay Updated: Keep up-to-date with the latest industry trends and technologies to ensure the application remains modern and competitive.

At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 per day in the next 4 years in a profitable and sustainable manner.

You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/

Role & Requirements

• 2+ year experience in application development
• ability to write efficient SQL queries and design schemas for relational databases
• good knowledge of operating systems and networking concepts
• experience in using and understanding code from Open Source
• experience with implementing best software engineering practices like version control with git, code reviews, writing unit-tests, writing readable code
• experience with Python and Django is a plus.
• inclination towards researching new technologies and adapt them to solve challenges we face

We look for engineers who

• Are committed to their growth and learning
• care about working in and building a strong engineering culture
• want to take significant ownership and decision making power
• want to make an impact in the real world while working with a great team in a hyper-growth environment