Java Developer

Role Overview:

We are looking for a Lead Software Engineer with 7-10 years of experience to join our team in Bangalore. The ideal candidate should have strong expertise in financial services, databases, microservices. This role requires a mix of hands-on technical skills, leadership capabilities, and client engagement experience.

Looking for candidates from IIT/NIT/BITS/VIT

Investment Banking Domain Preferred

Key Responsibilities:

• Technical Leadership: Lead a team of developers, perform code reviews, and ensure high-quality software delivery.
• Microservices & Databases: Design, develop, and optimize microservices architecture with robust database integrations.
• Solution Delivery: Drive end-to-end software development, from design to deployment, ensuring on-time and high-quality project completion.
• Team Collaboration: Mentor junior engineers, provide technical guidance, and foster a culture of innovation and continuous improvement.

Required Skills & Experience:

• 7-10 years of experience in software development & leadership
• Expertise in financial services domain.
• Strong knowledge of databases (SQL, NoSQL) and microservices architecture
• Excellent client communication skills and ability to manage stakeholder expectations
• Hands-on experience in designing, building, and deploying scalable enterprise solutions

Why Join Wissen Technology?

• Work on cutting-edge projects for Fortune 500 financial institutions
• Be part of an innovation-driven team that values technical excellence and leadership
• Opportunity to work directly with business and technology leaders
• Competitive compensation and a dynamic work environment

Job description

Key Responsibilities

• Design, develop, and maintain serverless applications using AWS services such as Lambda, API Gateway, DynamoDB, and S3.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Build and maintain RESTful APIs to support web and mobile applications.
• Implement security best practices for AWS services and manage IAM roles and policies.
• Optimize application performance, scalability, and reliability through monitoring and testing.
• Write clean, maintainable, and efficient code following best practices and design patterns.
• Participate in code reviews, providing constructive feedback to peers.
• Troubleshoot and debug applications, identifying performance bottlenecks and areas for improvement.
• Stay updated with emerging technologies and industry trends related to serverless architectures and Python development.

Qualifications

• Bachelors degree in Computer Science, Engineering, or related field, or equivalent experience.
• Proven experience as a Python backend developer, with a strong portfolio of serverless applications.
• Proficiency in AWS services, particularly in serverless architectures (Lambda, API Gateway, DynamoDB, etc.).
• Solid understanding of RESTful API design principles and best practices.
• Familiarity with CI/CD practices and tools (e.g., AWS CodePipeline, Jenkins).
• Experience with containerization technologies (Docker, Kubernetes) is a plus.
• Strong problem-solving skills and the ability to work independently and collaboratively.
• Excellent communication skills, both verbal and written.

Preferred Skills

• Experience with frontend technologies (JavaScript, React, Angular) is a plus.
• Knowledge of data storage solutions (SQL and NoSQL databases).
• AWS certifications (e.g., AWS Certified Developer Associate) are a plus.

Desired Experience

3+ years

Job Description

What You’ll Do

• Design financial systems for scale. Measure, plan, iterate.
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Setup and own the engineering architectures built around event sourcing, application sharding, database sharding, service communication mesh, etc.
• The tech: Go, Google Cloud Spanner, Kafka, Redis

What you bring to the table

• 3+ years of experience. Relevant experience is preferred.
• Knowledge of 2 common programming languages - Python & Go / Java & Node / Rust
• Comfortable in linux command line, AWS or GCP
• Strong unit test and debugging skills
• Great communication skills

Bonus if you have…

• Love building great products and engineering systems from scratch
• Are a Self-starter, Hustler and Curious to Learn
• Have an understanding of fundamental design principles behind a scalable application
• Thrive in an early-stage startup environment with less stability and more ambiguity
• Have an interest in financial products and/or cryptocurrency

The primary responsibilities include:

• Responsible for the overall software development lifecycle.
• Management and execution against project plans and delivery commitments
• Drive effective, mature Agile practices and continuous execution improvements within your teams.
• Manage stakeholder planning and communications ensuring key outcomes
• Recruit, coach, and mentor the best engineering and management talent
• Build, coach, and manage a strong team of engineers that set the standard and can up-level the overall talent of the extended organization.
• Provide a strong understanding of native mobile developer platforms and bring broad thought leadership to the next generation mobile developer experience.
• Anticipate and aggressively remove obstacles that slow down or prevent products and programs from delivering on product and program objectives.
• Balance urgent and effective action, commitment to excellence, and taking the initiative to resolve problems; holds internal stakeholders accountable where appropriate.

REQUIRED

• 8+ years of industry experience with 2+ years of senior leadership experience.
• Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative and fast-paced high-pressure environment; proven results in delivery on platform product.
• Deep understanding of one or more of Java/Python/Scala. Ability to understand and critique the core library/language constructs with skilled knowledge on UI technologies like Angular 2+, React, D3.JS
• Working experience with Agile methodologies and durable team concepts.
• Knowledge in DevOps practices and tools.
• Knowledge in Cloud Technologies, CI/CD, Jenkins, Testing methodologies is preferred.
• Experience in server-side services using ElasticSearch, Kafka
• A strong track record of project delivery for large, cross-functional, projects and bringing in and growing engineering talent
• Excellent written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.

Be Part Of Building The Future

Dremio is the Data Lake Engine company. Our mission is to reshape the world of analytics to deliver on the promise of data with a fundamentally new architecture, purpose-built for the exploding trend towards cloud data lake storage such as AWS S3 and Microsoft ADLS. We dramatically reduce and even eliminate the need for the complex and expensive workarounds that have been in use for decades, such as data warehouses (whether on-premise or cloud-native), structural data prep, ETL, cubes, and extracts. We do this by enabling lightning-fast queries directly against data lake storage, combined with full self-service for data users and full governance and control for IT. The results for enterprises are extremely compelling: 100X faster time to insight; 10X greater efficiency; zero data copies; and game-changing simplicity. And equally compelling is the market opportunity for Dremio, as we are well on our way to disrupting a $25BN+ market.

About the Role

The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for innovative minds with experience in leading and building high quality distributed systems at massive scale and solving complex problems.

Responsibilities & ownership

• Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
• Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
• Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
• Lead the team to solve complex and unknown problems 
• Solve technical problems and customer issues with technical expertise
• Design and deliver architectures that run optimally on public clouds like  GCP, AWS, and Azure
• Mentor other team members for high quality and design 
• Collaborate with Product Management to deliver on customer requirements and innovation
• Collaborate with Support and field teams to ensure that customers are successful with Dremio

Requirements

• B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
• Fluency in Java/C++ with 8+ years of experience developing production-level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
• 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
• Hands-on experience  in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
• Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
• Passion for learning and delivering using latest technologies
• Ability to solve ambiguous, unexplored, and cross-team problems effectively
• Hands on experience of working projects on AWS, Azure, and Google Cloud Platform 
• Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud) 
• Understanding of distributed file systems such as  S3, ADLS, or HDFS
• Excellent communication skills and affinity for collaboration and teamwork
• Ability to work individually and collaboratively with other team members
• Ability to scope and plan solution for  big problems and mentors others on the same
• Interested and motivated to be part of a fast-moving startup with a fun and accomplished team

Roles & Responsibilities:

• Design and Build API/Micro services using Spring boot.
• Experience in Spring Reactive programming.
• Exposure to docker and containerization
• Developing enterprise grade highly scalable java-based application
• Writing test cases using Java testing framework like JUnit, Mockito.
• Proficient understanding of code version tools, such as Git, SVN
• Displaying initiative and an ability to lead others, and develop applications team disciplined manner
• Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
• Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
• Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
• Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
• Conduct peer code reviews

Requirements:

• Academic degree (BE / MCA) with 3-10 years of experience in back-end Development.
• Strong knowledge of OOPS concepts, Analyzing, Designing, Development and Unit testing
• Scala technologies, AKKA, REST Webservices, SOAP, Jackson JSON API, JUnit, Mockito, Maven
• Hands-on experience with Play framework
• Familiarity with Microservice Architecture
• Experience working with Apache Tomcat server or TomEE
• Experience working with SQL databases (MySQL, PostgreSQL, Cassandra), writing custom queries, procedures, and designing schemas.
• Good to have front end experience (JavaScript, Angular JS/ React JS)