Senior Software Engineer

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 

JOB TITLE/HEADLINE: Backend Developer

EMPLOYMENT TYPE: Full time, permanent. 

REPORTING TO: Ajit Kumar

LOCATION: Andheri, Mumbai 

Backend Developer

Position Overview:

As a Backend Developer at FatakPay, you will play a crucial role in designing, implementing, testing, and maintaining the backend systems that power our applications. You will collaborate with cross-functional teams to develop scalable and efficient server-side applications, ensuring high performance and responsiveness.

Responsibilities:

Design, develop, and maintain robust and scalable backend systems.

Collaborate with front-end developers, designers, and other stakeholders to integrate user-facing elements with server-side logic.

Implement and maintain data storage solutions, ensuring optimal performance and data integrity.

Collaborate with DevOps to deploy and manage applications in a cloud environment.

Write clean, efficient, and maintainable code, following best practices and coding standards.

Conduct code reviews and provide constructive feedback to team members. Identify and address performance bottlenecks, security issues, and other technical challenges.

Stay updated on emerging trends and technologies in backend development.

Qualifications:

Bachelor's degree in Computer Science, Software Engineering, or a related field. Proven experience as a Backend Developer or similar role.

Strong proficiency in server-side programming languages such as Java, Python, or Node.js.

Experience with database systems such as MySQL, PostgreSQL, or MongoDB. Familiarity with RESTful API design and integration.

Knowledge of cloud platforms like AWS, Azure, or Google Cloud. Understanding of code versioning tools, such as Git.

Excellent problem-solving and communication skills. Ability to work collaboratively in a team environment.

ABOUT THE COMPANY: 

FatakPay Digital Private Ltd (FatakPay) is a digital-only lending platform that provides virtual credit facilities. The solution provides a 100% digital and paperless quick, transparent and secure way to transact in multilingual format with a ‘scan now, pay later’ facility and easy repayment options. 

We're a company that strongly believes in teamwork, design, creativity and tech. We love to build the best possible Financial Tech products that make the world a better place. 

WHAT HAPPENS NEXT? 

If selected for an interview, you will hear directly from someone from the HR department, usually within a week of the closing date.

As an engineer, you will help with the implementation, and launch of many key product features. You will get an opportunity to work on a wide range of technologies (including Spring, AWS Elastic Search, Lambda, ECS, Redis, Spark, Kafka etc.) and apply new technologies for solving problems. You will have an influence on defining product features, drive operational excellence, and spearhead the best practices that enable a quality product. You will get to work with skilled and motivated engineers who are already contributing to building high-scale and high-available systems.

If you are looking for an opportunity to work on leading technologies and would like to build product technology that can cater millions of customers inclined towards providing them the best experience, and relish large ownership and diverse technologies, join our team today!

What You'll Do:

• Creating detailed design, working on development and performing code reviews.
• Implementing validation and support activities in line with architecture requirements
• Help the team translate the business requirements into R&D tasks and manage the roadmap of the R&D tasks.
• Designing, building, and implementation of the product; participating in requirements elicitation, validation of architecture, creation and review of high and low level design, assigning and reviewing tasks for product implementation.
• Work closely with product managers, UX designers and end users and integrating software components into a fully functional system
• Ownership of product/feature end-to-end for all phases from the development to the production.
• Ensuring the developed features are scalable and highly available with no quality concerns.
• Work closely with senior engineers for refining the and implementation.
• Management and execution against project plans and delivery commitments.
• Assist directly and indirectly in the continual hiring and development of technical talent.
• Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts.

The ideal candidate is a passionate engineer about delivering experiences that delight customers and creating solutions that are robust. He/she should be able to commit and own the deliveries end-to-end.

What You'll Need:

• A Bachelor's degree in Computer Science or related technical discipline.
• 2-3+ years of Software Development experience with proficiency in Java or equivalent object-oriented languages, coupled with design and SOA
• Fluency with Java, and Spring is good.
• Experience in JEE applications and frameworks like struts, spring, mybatis, maven, gradle
• Strong knowledge of Data Structures, Algorithms and CS fundamentals.
• Experience in at least one shell scripting language, SQL, SQL Server, PostgreSQL and data modeling skills
• Excellent analytical and reasoning skills
• Ability to learn new domains and deliver output
• Hands on Experience with the core AWS services
• Experience working with CI/CD tools (Jenkins, Spinnaker, Nexus, GitLab, TeamCity, GoCD, etc.)

• Expertise in at least one of the following:

    - Kafka, ZeroMQ, AWS SNS/SQS, or equivalent streaming technology

    - Distributed cache/in memory data grids like Redis, Hazelcast, Ignite, or Memcached

    - Distributed column store databases like Snowflake, Cassandra, or HBase

    - Spark, Flink, Beam, or equivalent streaming data processing frameworks

• Proficient with writing and reviewing Python and other object-oriented language(s) are a plus
• Experience building automations and CICD pipelines (integration, testing, deployment)
• Experience with Kubernetes would be a plus.
• Good understanding of working with distributed teams using Agile: Scrum, Kanban
• Strong interpersonal skills as well as excellent written and verbal communication skills

• Attention to detail and quality, and the ability to work well in and across teams

Skills:

• Proficient in Go programming language with experience in building high-performance, scalable applications
• Experience with Java development a plus
• Familiarity with Git version control systems (e.g., GitHub, GitLab, BitBucket, SVN)
• Solid understanding of RESTful web services APIs
• Experience with CI/CD tools like Jenkins
• Experience with NoSQL databases
• Experience working with PostgreSQL databases

Responsibilities:

• Design, develop, and maintain robust and efficient Go code
• Collaborate with cross-functional teams to design, implement, and deploy new features
• Participate in code reviews and ensure high code quality
• Troubleshoot and debug complex technical problems
• Stay up-to-date with the latest advancements in Go and related technologies

Java Backend Engineer - Fintech Rocketship Pilot

Distributed systems, scalability, reliability, robustness, security, quality, building responsive real time systems - do these terms get your adrenaline high? Come be a part of a high growth, fast paced engineering team building for India’s new generation.

We have an open culture, you take responsibility and ownership of what you do. No bureaucracy. No bullsh*t.

If you are up for big engineering challenges, personal and professional growth, then let’s join forces!

You’ll fit right in if you have - 2-3 years of experience building, running and maintaining production services Strong with Java and JVM based services along with PostgreSQL Comfortable working with multiple cloud providers: mainly GCP and AWS Comfortable with CI and CD tools and best practices Done TDD and values TDD

Good to have –

• Expert software implementation and automated testing
• Promoting development standards, code reviews, mentoring, knowledge sharing
• Improving our Agile methodology maturity
• Product and feature design, scrum story writing
• Build, release, and deployment automation
• Product support & troubleshooting

• Demonstrated experience as a Java
• Should have a deep understanding of Enterprise/Distributed Architecture patterns and should be able to demonstrate the relevant usage of the same
• Turn high-level project requirements into application-level architecture and collaborate with the team members to implement the solution
• Strong experience and knowledge in Spring boot framework and microservice architecture
• Solid demonstrated object-oriented software development experience with Java, SQL, Maven, relational/NoSQL databases, and testing frameworks
• Strong working experience with developing RESTful services
• Should have experience working on Application frameworks such as Spring, Spring Boot, AOP

• Ability to take up tasks independently and willing to be an individual contributor when required
• Working experience or knowledge of Scrum/Kanban and SAFe agile processes
• Should have an excellent communication skill (Verbal & Oral)