Java Developer

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

Core Experience:

•Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.

• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.

• Exposure to Linux environment.

• Exposure to Docker and Kubernetes.

• Basic Knowledge of Cloud Services of AWS, Azure, GCP cloud provider.

• Proficient in general programming, logic, problem solving, data structures & algorithms

• Good analytical, grasping and problem-solving skills.

Secondary Skills:

• Agile / Scrum Development Experience preferred.

• Comfortable working with a microservices architecture and familiarly with NoSql solutions.

• Experience in Test Driven Development.

• Excellent written and verbal communication skills.

• Hands-on skills in configuration of popular build tools, like Maven and Gradle

• Good knowledge of testing frameworks such as JUnit.

• Good knowledge of coding standards, source code organization and packaging/deploying.

• Good knowledge of current and emerging technologies and trends.

Job Responsibilities:

• Design, Development and Delivery of Java based enterprise-grade applications.

• Ensure best practices, quality and consistency within various design and development phases.

• Develop, test, implement and maintain application software working with established processes.

Work with QA and help them for test automation

• Work with Technical Writer and help them documenting the features you have developing.

Education and Experience:

• Bachelor’s / master’s degree in computer science or information technology or related field

ApnaComplex is one of India’s largest and fastest-growing PropTech disruptors within the Society & Apartment Management business.  The SaaS based B2C platform is headquartered out of India’s tech start-up hub, Bangalore, with branches in 6 other cities. It currently empowers 3,600 Societies, managing over 6 Lakh Households in over 80 Indian cities to effortlessly manage all aspects of running large complexes seamlessly.

ApnaComplex is part of ANAROCK Group. ANAROCK Group is India's leading specialized real estate services company having diversified interests across the real estate value chain.

If it excites you to - drive innovation, create industry-first solutions, build new capabilities ground-up, and work with multiple new technologies, ApnaComplex is the place for you.

Key job responsibilities-

• ​Design and develop highly scalable, reliable and fault tolerant systems ​
• Understand the customer needs, design & implement
• ​Envision project goals, product architectural solutions with a high focus on detail to ensure successful implementation
• ​Articulate complex problems communicating viable architecture and design approaches in a clear and concise manner
• ​Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
• ​Keep optimizing & automating mundane tasks • ​Problem solving in accounting modules

Who You Are-

• ​You have a deep interest and passion for technology - You love writing and owning code and enjoy working with people who will keep challenging you at every stage.
• ​You have strong problem solving, analytic, decision-making and excellent communication with interpersonal skills.
• ​You are self-driven and motivated with the desire to work in a fast-paced, results driven agile environment with varied responsibilities
• ​You have a strong knowledge in accounting systems like ledger entries

Qualifications-

• ​6 years of software development experience in backend
• ​Hands on experience with PHP using CodeIgniter and Javascript (Angular/ React)
• Database technologies - SQL and/or NoSql
• Experience in developing REST APIs
• ​Knowledge of VCS using SVN/ GIT and Payment Gateways
• ​Expertise in design principles and their application
• ​Strong computer science fundamentals in data structures and algorithms ​ Fast Learner & a Team Player

Locations: Bangalore

Quick Glances:

• https://www.apnacomplex.com/why-apnacomplex">What to look for at ApnaComplex
• https://www.linkedin.com/company/1070467/admin/">Who are we A glimpse of ApnaComplex, know us better
• https://www.apnacomplex.com/media-buzz">ApnaComplex - Media – Visit our media page

ANAROCK Ethos - Values Over Value:

Our assurance of consistent ethical dealing with clients and partners reflects our motto - Values Over Value.

We value diversity within ANAROCK Group and are committed to offering equal opportunities in employment. We do not discriminate against any team member or applicant for employment based on nationality, race, color, religion, caste, gender identity / expression, sexual orientation, disability, social origin and status, indigenous status, political opinion, age, marital status or any other personal characteristics or status. ANAROCK Group values all talent and will do its utmost to hire, nurture and grow them.

• To perform requirement analysis and oversee the implementation of architectures of project scope
• To provide customized reusable solutions of project, program or operational scope
• To develop high-quality and detailed designs
• To conduct unit testing using automated unit test frameworks and identify and address possible risk by conducting mitigation action planning
• Conducting configuration of your own work or from the team and assess the technical impact of multiple technologies/strategies
• Reviewing the work of other developers with feedback for improvement (if applicable)
• Using coding standards and best practices to ensure quality deliverables
• Contribute as a team member to an operational, integration or application architecture requirements, design, implementation, or on-going operations deliverables

We are looking for an experienced Senior Software Engineer (Integrations) to contribute to PriceLabs' ambitious plans. We have an existing product that's being used by thousands of customers worldwide and are looking to upgrade our design and launch new features that will serve customers worldwide.

What you will learn at PriceLabs:

Scaling:

• We currently exchange tens of millions of prices between us and our partners multiple times every day! As we continue to grow, designing our architecture to keep working seamlessly is going to need a lot of teamwork 
• Doubling in size every year brings unique scaling challenges. Our product started with one single server doing everything needed, but over time we've created a fairly distributed architecture of micro-services. Ensuring our systems continue to provide the same level of service with twice the number of customers next year teaches us (and you!) forward thinking!

Fundamentals:

• We have a very strong emphasis on fundamentals - writing code in strict memory requirements, setting up a server from scratch, being able to use open source services (like nginx, mysql, linux servers, redis, rabbitmq) to get the best performance out sets our team up for long term success.
• Implementing to the standards of operating systems, working in a thread safe/unsafe environment.
• Understand how servers interact with each other in a data center. How does nginx and unicorn power the communication for our APIs.

Customer-centric engineering:

• Making a product that needs to work for both single home-owners as well as enterprise customers to property management businesses - we're on a journey towards design and process thinking to ensure systems are easy to use. Expect strong collaboration with customer facing, design and data science teams!

New products:

• We have a lot of ground level infrastructure available for us to build new products for both our customers and our industry partners to use. Architecting these systems from scratch is a joy in itself (our team has done this a few times!)

Amazing team:

• Our engineering team is very focused on getting things done, and getting them done the right way so the last long! Write better code everyday, solving customer and co-worker pain points, and learning from our peers is what keeps us going!

Responsibilities:

• You will work with Ruby, we are a RoR platform so understanding how ruby interacts with database would be ideal but not preferred.
• Build new integrations with property management systems (PMS) and also maintain existing ones.
• Understand nuances of downstream systems and design and architect your solution keeping in mind third party systems
• Talk to existing PMS and understand what new features can be incorporated and what existing features need to be updated.
• Fix issues that break and keep a track of daily status and understand inefficiencies.
• Engage with PMS partners and optimise the existing pipeline.
• Continuous improvement to our web stack, set standards, automate mundane tasks

Requirements:

• 4+ years experience in back end web development and understanding Ruby would be great but not mandatory.
• You should be comfortable working with git, visual studio code(or any IDE that you prefer) and test your own code thoroughly before making a PR.
• Ability to architect and develop systems so it can connect seamlessly with PMS and third party systems.
• Ability to understand Message queues and how a pub-sub system works with multiple servers
• Experience in building distributed systems that integrate with RESTful APIs and SOAP XMLs.

• Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
• Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
• Working knowledge of REST API designing as well as development, using Spring.
• Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
• Savvy with SQL and database concepts.
• Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
• Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
• Should have worked in a CI/CD environment with TeamCity/Jenkins.

Job description:

Amazon’s Worldwide Consumer Engagement organization brings customers to visit amazon websites, engage them on site and help them purchase from Amazon’s retail sites. This is achieved through highly personalized messages delivered via all available large scale communication channels—both free and paid and offering engaging experience on website. The organization builds, operates, and improves the technology systems that power all marketing channels, and manages prioritization and marketing spend decisions. Consumer Marketing consists of a series of single-threaded technology and business teams, each of which owns the entirety of a channel of communication or customer segment: natural and paid search (i.e. SEO and SEM), affiliate marketing (Associates), display advertising, email, browser integration, and mobile marketing, retail customer experience technology teams.

This position is for a technology leader in Affiliate Marketing Technology group for attribution team. This team owns business critical systems that are responsible for attributing traffic to marketing channels and thrives on innovation to provide rich analytics to its internal and external customers. As a leader on the team, you will be responsible for tier1 critical systems, guide your team through the design, development, testing, and deployment of a range of products involving big data processing and dealing with near real time SLAs. You will have to deal with challenges of high availability (five 9s) guarantee, low latency and high throughput. In addition, you will build and manage roadmaps for software teams, developing cutting edge experiences. You will have sound technical acumen, excellent project management skills, great communication skills, and hire, build, and develop your team. You are a true owner - you are deeply interested in product design, architecture, and you innovate relentlessly on behalf of our customers.

This position offers the opportunity to collaborate with our business teams across the world and other tech teams in Bangalore as we raise the bar in delivering innovation.

Primary responsibilities: 

• Provide technical expertise and leadership throughout product life cycles, influence software engineers best practices for your team and own operational metrics 
• Work with business leaders and product managers to define product requirements. 
• Prioritize, communicate, maintain, and execute roadmaps, project plans, and commitments 
• Work with engineers to define technical requirements and architect and execute best-in-class implementations in agile manner 
• Build and maintain world-class customer experience and operational excellence for your deliverables 
• Hire, manage, mentor and grow a high performance team of Software Engineers

Basic Qualifications:

• Bachelors/Masters degree in Computer Science or related field
• 10+ years professional experience in software development management
• Proficiency in, at least, one modern programming language such as Java, Scala, C#, C++ etc 
• Ability to solve complex technical problems and design robust, scalable solutions
• Ability to think critically and actively contribute to strategic choices.
• 3+ years experience in managing development teams working on multiple simultaneous projects.
• 3+ years experience in managing large scale software development teams following Agile development processes. 
• Strong skills in project planning & execution, problem solving. Ability to take a project from initial scoping requirements through actual launch and support of the project
• Proven leadership and teamwork skills
• Excellent verbal and written communication skills in both technical and non-technical discussions.

Preferred Qualifications: 

• Deep, hands-on technical expertise in high scale, service-oriented architectures
• Exposure to Elastic Map Reduce and Machine Learning programs. 
• Ability to handle multiple competing priorities in a fast-paced environment
• 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
• Clear, professional communication skills able to contribute to team discussions, knowing when to contribute, when to listen, and when to ask questions
• Proactively and continually improve their level of knowledge about Amazon’s business and relevant technologies, and use this knowledge to deliver high quality, accurate software deliverables
• Strong business and technical vision
• Good understanding of web services

Designation - Principal Software Engineer

About Livspace:

Livspace is India’s trusted interior design and renovation platform that connects interior designers, homeowners and vendors. For homeowners, Livspace is their one-stop destination for all things interior. For interior designers and vendors, we’ve streamlined their workflow from design all the way to delivery through powerful and innovative technology.

We’re currently in nine Indian metro areas. We’ve made over 20,000 customers happy by delivering their dream homes to them. With over 3,500 interior designers on board, we’re the largest design community India has seen. We employ over 2000 passionate individuals who continue to grow and be a part of this exciting journey.

Working at Livspace:

Livspace believes in an open, intellectually honest culture where everyone is given the autonomy to contribute and do their life’s best work. As a part of the dynamic team at Livspace, you will have a chance to learn new things, solve new problems, build your competence and be a part of an innovative design-and-tech startup that’s revolutionizing the interiors industry.

If you value autonomy, enjoy challenges, believe in getting things done and can work with minimal supervision, come join us

As a Principal Software Engineer you will:

• Design, implement and enhance new components of the Livspace design platform and supply chain platform.
• Design new features for the e-commerce properties and front-end products and mobile apps
• Maintain engineering infrastructure
• Have significant impact on current and future technology roadmap
• Complete ownership of Service/Services that your team is responsible for
• Lead by example, mentor and guide team members on everything from structured problem solving to development of best practices
• Own large technical deliverables and execute in an exemplary way
• Be able to conceptualize and develop prototype quickly
• Contribute creatively in strategic products that will reach large audience
• Build a web product that users love.

Who you are :

• Deep expertise with any or combination programming languages: Java, Python NodeJS any Object oriented high level proprietary or open source language with strong programming constructs ( Java Preferred ).
• Substantial experience in building complex and scalable solutions.
• Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• You earned B.Tech or equivalent degree in computer science or related engineering field
• You have at least 6+ years of experience working with large scale web products

Your Array (Nice to Have) :

• Good sense of system characterization and identification of technical requirements
• Good learnability and adopt technologies that help build large scale, performant, reliable and sustainable systems.
• Architectural & Design Choices, Deep knowledge on one or more tech stacks, identify alternative tech choices and trade-offs
• Strong problem Solving skills, Identify feasible alternatives and freeze on the optimal choice of data structures and advanced algorithms
• Ability to work in fuzzy environments and complex environments
• Able to take high ownership of complex system components and drive it to the next level
• Good exposure both with tech breadth and tech depth