Java developer

Job Title : Senior Software Engineer (Full Stack — AI/ML & Data Applications)

Experience : 5 to 10 Years

Location : Bengaluru, India

Employment Type : Full-Time | Onsite

Role Overview :

We are seeking a Senior Full Stack Software Engineer with strong technical leadership and hands-on expertise in AI/ML, data-centric applications, and scalable full-stack architectures.

In this role, you will design and implement complex applications integrating ML/AI models, lead full-cycle development, and mentor engineering teams.

Mandatory Skills :

Full Stack Development (React/Angular/Vue + Node.js/Python/Java), Data Engineering (Spark/Kafka/ETL), ML/AI Model Integration (TensorFlow/PyTorch/scikit-learn), Cloud & DevOps (AWS/GCP/Azure, Docker, Kubernetes, CI/CD), SQL/NoSQL Databases (PostgreSQL/MongoDB).

Key Responsibilities :

• Architect, design, and develop scalable full-stack applications for data and AI-driven products.
• Build and optimize data ingestion, processing, and pipeline frameworks for large datasets.
• Deploy, integrate, and scale ML/AI models in production environments.
• Drive system design, architecture discussions, and API/interface standards.
• Ensure engineering best practices across code quality, testing, performance, and security.
• Mentor and guide junior developers through reviews and technical decision-making.
• Collaborate cross-functionally with product, design, and data teams to align solutions with business needs.
• Monitor, diagnose, and optimize performance issues across the application stack.
• Maintain comprehensive technical documentation for scalability and knowledge-sharing.

Required Skills & Experience :

• Education : B.E./B.Tech/M.E./M.Tech in Computer Science, Data Science, or equivalent fields.
• Experience : 5+ years in software development with at least 2+ years in a senior or lead role.
• Full Stack Proficiency :
• Front-end : React / Angular / Vue.js
• Back-end : Node.js / Python / Java
• Data Engineering : Experience with data frameworks such as Apache Spark, Kafka, and ETL pipeline development.
• AI/ML Expertise : Practical exposure to TensorFlow, PyTorch, or scikit-learn and deploying ML models at scale.
• Databases : Strong knowledge of SQL & NoSQL systems (PostgreSQL, MongoDB) and warehousing tools (Snowflake, BigQuery).
• Cloud & DevOps : Working knowledge of AWS, GCP, or Azure; containerization & orchestration (Docker, Kubernetes); CI/CD; MLflow/SageMaker is a plus.
• Visualization : Familiarity with modern data visualization tools (D3.js, Tableau, Power BI).

Soft Skills :

• Excellent communication and cross-functional collaboration skills.
• Strong analytical mindset with structured problem-solving ability.
• Self-driven with ownership mentality and adaptability in fast-paced environments.

Preferred Qualifications (Bonus) :

• Experience deploying distributed, large-scale ML or data-driven platforms.
• Understanding of data governance, privacy, and security compliance.
• Exposure to domain-driven data/AI use cases in fintech, healthcare, retail, or e-commerce.
• Experience working in Agile environments (Scrum/Kanban).
• Active open-source contributions or a strong GitHub technical portfolio.

DataHavn IT Solutions is a company that specializes in big data and cloud computing, artificial intelligence and machine learning, application development, and consulting services. We want to be in the frontrunner into anything to do with data and we have the required expertise to transform customer businesses by making right use of data.

About the Role

We're seeking a talented and versatile Full Stack Developer with a strong foundation in mobile app development to join our dynamic team. You'll play a pivotal role in designing, developing, and maintaining high-quality software applications across various platforms.

Responsibilities

• Full Stack Development: Design, develop, and implement both front-end and back-end components of web applications using modern technologies and frameworks.
• Mobile App Development: Develop native mobile applications for iOS and Android platforms using Swift and Kotlin, respectively.
• Cross-Platform Development: Explore and utilize cross-platform frameworks (e.g., React Native, Flutter) for efficient mobile app development.
• API Development: Create and maintain RESTful APIs for integration with front-end and mobile applications.
• Database Management: Work with databases (e.g., MySQL, PostgreSQL) to store and retrieve application data.
• Code Quality: Adhere to coding standards, best practices, and ensure code quality through regular code reviews.
• Collaboration: Collaborate effectively with designers, project managers, and other team members to deliver high-quality solutions.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Strong programming skills in [relevant programming languages, e.g., JavaScript, Python, Java, etc.]. 
• Experience with [relevant frameworks and technologies, e.g., React, Angular, Node.js, Swift, Kotlin, etc.].
• Understanding of software development methodologies (e.g., Agile, Waterfall).
• Excellent problem-solving and analytical skills.
• Ability to work independently and as part of a team.
• Strong communication and interpersonal skills.

Preferred Skills (Optional)

• Experience with cloud platforms (e.g., AWS, Azure, GCP).
• Knowledge of DevOps practices and tools.
• Experience with serverless architectures.
• Contributions to open-source projects.

What We Offer

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• A collaborative and supportive work environment.
• A chance to work on cutting-edge projects.

Title: Java FullStack Developer

Experience: 4+ years

Work Location: Pune/ Bangalore/ Chennai 

Notice Period: Immediate to 30 Days Max

Key Skills: Java, Angular Mobile, Ionic, Hybrid Mobile, React, Accelerator, Objective-C, UI Design, SOAP/React/SOA

Requirements:

• Looking for candidates with BE/MCA/M.Tech
• Experience of Core Java, JSP, Servlets, HTML5, CSS3, Vanilla JavaScript, jQuery.
• 4-6 years of strong experience in any of the hybrid mobile tools/platforms like Angular Mobile / Ionic
• Hands on experience in Spring boot and Microservices architecture
• Must have good experience in building feature-rich customer facing mobile applications using Accelerator, Java, XML and Objective-C.
• Good Experience in Javascript
• Should have experience in UI design, HTML, CSS for mobile platform.
• Should have experience in SOA, REST, SOAP etc.,
• Preferred experience in Angular/React/any front-end web development framework.
• Must have worked in Agile framework model with team collaboration.

Java Developers [I+S/E2-MM2]

Java Full Stack Developer

We are looking for a skilled Full Stack Developer who is passionate about building high-quality software applications. The ideal candidate will have expertise in Java frameworks and extensions, persistence frameworks, servers, platforms, clouds, databases, data storage, and QA tools. The candidate should also have experience working with Angular, React, or Vue.

As a Full Stack Developer, you will be responsible for developing and maintaining software applications for our clients. You will work closely with a team of developers and project managers to deliver high-quality software products. You should be comfortable working in a fast-paced environment and be able to adapt to changing priorities.

Mandatory Skill Sets:

Java frameworks and extensions: You should be proficient in building enterprise-grade applications using Java 8+ and Spring Boot.

Persistence Frameworks: You should have experience working with Hibernate and/or JPA. You should be able to design and develop efficient data models, and perform CRUD operations using Hibernate and/or JPA.

 Servers: You should be familiar with Apache Tomcat and be able to deploy applications on Tomcat servers.

Platforms: You should have experience working with Java EE and Jakarta 2EE platforms.

Clouds: You should have experience working with AWS, and be familiar with AWS services such as EC2, S3, and RDS.

Databases / Data Storage: You should have experience working with MYSQL and Oracle databases

QA Tools: You should be proficient in JUnit5 and Postman. You should be able to write and execute unit tests, integration tests, and end-to-end tests using these tools.

Web Services: You should have experience working with RESTful web services.

API Security: You should be familiar with OAuth2, JWT, Auth0, or any other API security frameworks.

 Angular/React/Vue: You should have experience working with at least one of these frontend frameworks, HTML, CSS, and JavaScript.

If you are passionate about building high-quality software applications and have the required skill sets, we encourage you to apply. We offer competitive salaries and benefits, and a challenging work environment where you can learn and grow.

Building web application front end & backend

React

Spring Core, Spring MVC

Spring Boot

Spring Webflux/Reactive

Mongo DB/Cassandra

HTML, CSS, Javascript,

Cloud Basics (AWS/GCP/Azure)

Cloud Functions (AWS/GCP/Azure)

Job description

Finzly is a fintech company, providing innovative solutions to meet the growing needs of Banks and Financial services firms in North America.

Our award-winning open banking platform, BankOS, allows banks to innovate at the speed of “NOW” and compete with Fintech companies in the market.

This is an excellent opportunity to be part of a team bringing innovation in the finance industry and be a proud engineer.  This means following the industry standards, using clean code and being bold while sharing your thoughts during tough technical conversations. We want you to be a part of all of this!

What we need from you:

• You will join our team to develop awesome products for our customers(Banks and Financial Institutions)
• You will be developing in Java, Spring Boot on the backend and Angular on the frontend
• Learn from our high performing teams, while at the same time providing feedback on how the team could do its job better
• Work with our product owners and help them to convert ideas into working products.
• Sharp focused on delivery. We are results-oriented and need self-starters who do not wait around for direction.

What we need you to bring:

• Deep passion for developing software and continuous learning attitude to write more efficient code.
• Someone who wants to work in a strong team and influence that team on how to perform better
• You enjoy sliding between both front-end and back-end stacks to solve problems instead of just “writing code”
• 5 or more years of experience writing code for web products.
• You have worked with cloud technology

Bonus Points / Nice to Have

• Understanding of CI/CD/Docker/
• Experience/understanding payment processing / payment gateways, e.g. ACH, RTP, SWIFT, PCI compliance
• Experience on messaging and distributed caching.

Our Interview process:

• Recruiter Call (15 min) – Specialist - Recruitment
• Online Programming Test/Offline Assignment(45 to 90 minutes) – Online (This is optional for early joiners)
• Technical Interview (45 to 90 minutes): Sr/Lead R&D Engineers
• System Design + Methodology Interview (1 hour): Director - Engineering
• Final Interview : India Head (1 hour)

Roles & Responsibilities:

• Expertise in the over-all development cycle and strong technical experience
• Strong Java programming, architecture, DevOps and QA chops.
• Wide experience working with a diverse engineering stack in a fast-paced environment.
• Create and lead a team of engineers and drive development efforts for various products.
• Lead a team
• Code and Architect key features that form the backbone of platform
• Conduct performance reviews and mentor and guide the team reporting
• Excellent communication and inter-personal skills

If the above mentioned requirement matches your profiles and if you are interested, please apply here

https://polyglots.io">Polyglots is a young and innovative software development agency located in Pune, India. Our expertise is to build highly scalable applications and infrastructure solutions for our partners and budding startups.

We provide end-to-end solutions ranging from cloud architecture to backend services and modern frontend development. We leverage agile methodologies, software life cycle best practices and cutting edge technology to deliver perfect solutions reflecting our passion for software development.

We care about our company culture and invest in people to create the best teams of highly skilled developers. 

We are looking for a Fullstack Developer who is motivated to combine the art of software design with the skill of programming. Responsibilities will include translation of the business requirements to actual code that will produce a flexible and scalable cloud application. You will guide the team on technical implementations, take an active role on both sides i.e frontend + backend and define how the application works.

• Develop and design RESTful/GraphQL services and APIs.
• Develop databases, applications, and servers to support websites on the back end.
• Develop visually appealing front end website architecture, including translating designer mock-ups and wireframes into front-end code.
• Design user interactions on web pages
• Stay up to date of developments in web applications and programming languages
• Strategize organizational direction on emerging technology platforms and communicate the effectiveness to executive stakeholders
• Ensure that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability are being considered when architecting solutions.

• Proficiency in Java along with Spring Boot.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React or VueJS.
• Familiarity with database technology such as Postgres, MySQL, Oracle and MongoDB.
• Well versed with Data Structures and common Design Patterns.
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.

Experience in Java (2+ years)

• Experience in SprintBoot(2+years)
• Good Knowledge of Microservice Concept
• Framework: Springboot, Spring Security, JAX-RS, Hystrix, Kafka
• ORM: Spring Data JPA. Hibernate
• Cloud Service: AWS(MSK, S3), Serverless lambda Functions
• Build tools: Maven, Gradle