Java Developer

Experience: 8-12 years

Location: Bangalore

Wissen Technology is now hiring for a Senior 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. - 8-12 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 Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Immediate Joiners Preferred. Notice Period - Immediate to 30 Days

Interested candidates are requested to email their resumes with the subject line "Application for [Job Title]".

Only applications received via email will be reviewed. Applications through other channels will not be considered.

About Us

adesso India is a dynamic and innovative IT Services and Consulting company based in Kochi. We are committed to delivering cutting-edge solutions that make a meaningful impact on our clients. As we continue to expand our development team, we are seeking a talented and motivated Backend Developer to join us in creating scalable and high-performance backend systems.

Job Description

We are looking for an experienced Backend and Data Developer with expertise in Java, SQL, BigQuery development working on public clouds, mainly GCP. As a Senior Data Developer, you will play a vital role in designing, building, and maintaining robust systems to support our data analytics. This position offers the opportunity to work on complex services, collaborating closely with cross-functional teams to drive successful project delivery.

Responsibilities

• Development and maintenance of data pipelines and automation scripts with Python
• Creation of data queries and optimization of database processes with SQL
• Use of bash scripts for system administration, automation and deployment processes
• Database and cloud technologies
• Managing, optimizing and querying large amounts of data in an Exasol database (prospectively Snowflake)
• Google Cloud Platform (GCP): Operation and scaling of cloud-based BI solutions, in particular
• Composer (Airflow): Orchestration of data pipelines for ETL processes
• Cloud Functions: Development of serverless functions for data processing and automation
• Cloud Scheduler: Planning and automation of recurring cloud jobs
• Cloud Secret Manager: Secure storage and management of sensitive access data and API keys
• BigQuery: Processing, analyzing and querying large amounts of data in the cloud
• Cloud Storage: Storage and management of structured and unstructured data
• Cloud monitoring: monitoring the performance and stability of cloud-based applications
• Data visualization and reporting
• Creation of interactive dashboards and reports for the analysis and visualization of business data with Power BI

Requirements

• Minimum of 4-6 years of experience in backend development, with strong expertise in BigQuery, Python and MongoDB or SQL.
• Strong knowledge of database design, querying, and optimization with SQL and MongoDB and designing ETL and orchestration of data pipelines.
• Expierience of minimum of 2 years with at least one hyperscaler, in best case GCP
• Combined with cloud storage technologies, cloud monitoring and cloud secret management
• Excellent communication skills to effectively collaborate with team members and stakeholders.
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Nice-to-Have:

• Knowledge of agile methodologies and working in cross-functional, collaborative teams.

Responsibilities: 

• Ensure the quality of architecture and design of systems. 
• Functionally decompose complex problems into simple, straight-forward solutions. 
• Analyze and improve data quality and metrics. 
• Fully and completely understand system interdependencies and limitations. 
• Leverage knowledge of internal and industry in design decisions. 
• Assist in the career development of others, mentoring on advanced technical issues and helping managers guide the career growth of their team members. 
• Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience. 
• Skilled in translating high level abstract business requirements into software design, designing systems specifications, standards, and programming 
• Contribute to Architectural blueprints and Design for the software solutions 
• Mentor team on engineering best practices such as writing clean code, designing scalable, reliable and performant software solutions, set and ensure compliance to software quality standards etc. 
• Be a role model for the team with innovative thinking, passion for continuous learning and contributions to the project. 

Qualifications, Skills & Experiences 

• BE / B.Tech /M.Tech in Computer Science or a related field 
• Minimum 7+/5+ years of experience building large scalable systems 
• Minimum 2+ years of recent experience in building products on cloud is a plus 
• Knowledge of asynchronous programming and WebAPI development is required 
• Knowledge and awareness of cloud/ application security is must (OWASP at the minimum) 
• Strong knowledge in OOPS with C#, .Net(or Java) with SQL Server or any RDBMS 
• Strong experience in architecting and building multi-threaded, distributed systems. 
• Strong knowledge of data structures, algorithms, and designing for performance. 
• Ability to achieve stretch goals in a highly innovative and fast paced environment. 
• Extensive experience of mentoring junior engineers to success. 
• Experience with Microservices Architecture is a plus 
• Working knowledge of CI/CD pipelines and AWS/Azure cloud services is plus 
• Hands on experience of building products for unix systems in addition to windows is a plus 
• Excellent Communication 

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills

• You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

Skills & Experience

• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.

Hiring Java Architects/ Tech Leads with expertise in Microservices, and Spring Framework. Experience of 8-10 yrs.

Notice Period - immediate to 45 days joiners only

Location - Bangalore and Chennai

• B Tech/BE or M.Tech/ME in Computer Science or equivalent from a reputed college.
• Experience level of 7+ years in building large scale applications.
• Strong problem solving skills, data structures and algorithms.
• Experience with distributed systems handling large amount of data.
• Excellent coding skills in Java / Python / Node / Go.
• Very good understanding of Web Technologies.
• Very good understanding of any RDBMS and/or messaging.

Senior Java Backend Developer

Are you a passionate backend developer looking for a new challenge in an international company? Do terms like spring-boot, Redis, Amazon EC2, REST-API and document based databases like MongoDB make you smile and would you like to work in an international company that values your personal growth? We are expanding in India and are looking for an enthusiastic and experienced Java Developer to join the team.

Together with the team, you will be responsible for the development and migration of our FlexWhere application from a PHP based application to a java application. You report to the Manager Development & Support and collaborate with our Dutch IT Team, who work from our headquarters in the Netherlands. We work with two-week sprints, in which features and improvements are tested in an alpha and beta environment, after which you will release the services in our Kubernetes cluster. Our applications are being used by thousands of customers in Europe on a daily basis. By being in close contact with our helpdesk, you know what our users struggle with and how you can improve their experience.

You are not afraid to take ownership and have good interpersonal skills. You believe a good user experience is the ultimate goal and you continuously discover, evaluate and implement new technologies to maximize development efficiency. All in all: you have an innovative spirit and cannot wait to get aboard into an international IT-organization!

• A degree in Engineering (B.Tech or BE);
• Minimum of 3-year work experience as a Java developer in Java and/or Kotlin, Groovy;
• Proficient understanding of code versioning tools (Git);
• Experience with third-party API’s and third-party libraries like MongoDB, Redis, MySQL, ElasticSearch;
• Familiar with automation testing tools;
• Knowledge about scaling architectures in the cloud like EC2.

• Competitive salary;
• Place within a company that is committed to diversity and inclusion;
• Excellent career progression opportunity within an international organization;
• The chance to discover the land of tulips and windmills!

We are Dutchview. An innovative IT company based in the Netherlands with offices in Germany, the United Kingdom and India. Our solutions make it possible for organisations to work smartly and effectively. So that they can focus all their energy on what they do best. It is precisely this freedom that leads to greater job satisfaction: the basis for better results. We make it easy for you.