SDE-1 (Backend Developer)

Position Responsibilities :

The Database Architect is responsible for the design, optimization, and evolution of the database layer supporting enterprise applications in cloud environments. This role focuses on ensuring efficient data access patterns, scalable query workloads, and robust database architecture capable of supporting high-volume and high-concurrency systems.

This role goes beyond traditional database administration and requires deep technical expertise in SQL query optimization, database internals, and performance diagnostics. The Database Architect analyzes how applications interact with the database and guides improvements in schema design, data access patterns, and system scalability.

As a senior technical leader, the Database Architect helps define long-term strategies for scalable and efficient data architecture while working closely with engineering teams to promote best practices for database design and SQL development.

KEY RESPONSIBILITIES

Database Architecture & Optimization

• Design and evolve database architectures for scalable enterprise systems.
• Define efficient data access patterns that support high concurrency and large datasets.
• Improve schema design, indexing strategies, and query patterns.
• Ensure database designs support both transactional and data consumption workloads.

SQL Performance Engineering

• Analyze and optimize complex SQL queries and execution plans.
• Improve database performance through indexing strategies, statistics management, and query tuning.
• Investigate workload behaviour and recommend architectural improvements.

Data Access & Systems Thinking

• Provide guidance on scalable approaches for retrieving and delivering data for data-intensive application features.
• Recommend architectural strategies such as data aggregation, caching, or pre-computed datasets where appropriate.
• Apply systems thinking to improve how data is modeled, accessed, and delivered across the application.

Advanced Diagnostics

• Diagnose database behaviour using tools such as Query Store, Extended Events, and execution plan analysis.
• Analyze query performance, wait statistics, and workload patterns to identify optimization opportunities.

Collaboration & Technical Leadership

• Partner with engineering teams to guide scalable SQL development and data access practices.
• Participate in architecture and design discussions involving database interactions.
• Document best practices and architectural recommendations.

AI-Assisted Engineering

• Use AI-assisted tools to accelerate query analysis, diagnostics, and workload investigations.
• Validate AI-generated insights through empirical testing and database telemetry.

Qualifications :

TECHNICAL SKILLS & EXPERTISE

Database & SQL Server (Required)

• Advanced SQL Server performance tuning, including query optimization, execution plan analysis, and index design
• Strong experience diagnosing and resolving deadlocks using Extended Events and deadlock graphs
• Deep understanding of locking, blocking, and transaction behaviour, including wait statistics and lock escalation
• Experience optimizing stored procedures, including mitigation of parameter sniffing and plan cache management
• Strong knowledge of indexing strategies, including covering indexes and filtered indexes
• Solid understanding of statistics, cardinality estimation, and query optimizer behaviour

Performance Analysis Tools (Required)

• Experience using SQL Server Profiler and Extended Events for workload diagnostics
• Advanced execution plan analysis using SSMS or Azure Data Studio
• Familiarity with SET STATISTICS IO/TIME for query performance evaluation
• Strong experience using Query Store to analyse query performance and plan behaviour
• Ability to diagnose issues through wait statistics and blocking chain analysis

Enterprise Application Data Architecture

• Strong understanding of database design within multi-tier enterprise applications
• Experience optimizing database workloads supporting high-concurrency systems and large datasets
• Understanding how application query patterns influence database performance
• Familiarity working with application platforms such as .NET, APIs, or modern web frameworks

Cloud & Enterprise Database Environments

• Experience working with cloud-hosted database environments
• Understanding of scalability considerations in enterprise systems
• Experience analyzing and optimizing database workloads in production environments

QUALIFICATIONS

• 8+ years of experience working with enterprise database systems
• Proven expertise in SQL performance tuning and database workload optimization
• Strong experience in analysing execution plans and database performance behaviour
• Experience collaborating with engineering teams on data architecture and query design
• Strong analytical and problem-solving skills

AI-FIRST MINDSET REQUIREMENT

We value engineers who view AI as a productivity multiplier. The ideal candidate actively leverages AI tools to accelerate diagnostics, analyze database workloads, and uncover optimization opportunities while applying strong engineering judgment to validate results

Skills And Qualifications

• Expert in Python, with knowledge of at least one Python web framework (such as Django, Flask, etc depending on your technology stack)
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process architecture
• Good understanding of server-side templating languages (such as Jinja 2, Mako, etc depending on your technology stack)
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Understanding of accessibility and security compliance (depending on the specific project)
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Familiarity with event-driven programming in Python
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
• (Make sure to mention other frameworks, libraries, or any other technology related to your development stack)
• (List education level or certification you require)

Responsibilities:

• The candidate will get an opportunity to work on AI/ML technologies using NodeJS for web applications.
• Deliver high-quality code in a fast-paced customer-facing product.
• Specify, design, and implement the functionality and behaviors of the web infrastructure.
• Be involved in the full life-cycle of development from concept through integration, test, and high web traffic deployments.
• Interface with the firmware team as well as clients and end-users of the products.
• API development using REST JSON/XML, and security standards like OAuth.

Requirements:

• BTech or MTech in Computer Engineering, Computer Science, or other similar majors.
• Experience building products with full-stack technologies, and an excellent understanding of computer science fundamentals, data structures, and algorithms.
• Must have experience in version control systems like GIT.
• Strong in NodeJS, MySQL, MongoDB, Kafka, Elasticsearch.

Greetings from Sapper Software Pvt Ltd

Sapper.ai is a cloud native integration platform. Businesses use us to connect their applications, automate and optimize their processes and data connections. Sapper.ai is unique in our ability to connect and move data using any method (APIs, integrations, batch and streaming). We embed AI throughout the platform to proactively recommend integrations and process automations to business users freeing them up from mundane and time consuming tasks.

Website: https://www.sapper.ai/

Senior Java Developer : 3 to 7 years

Work Location: Work in the office at Baner, Pune

Job Requirements:

• Relevant experience in Java 1.7 or higher / J2EE Java development.

. Have experience of agile systems development methodologies such as SCRUM

• Experience in designing the solution and implementation.
• Is a communicative, positive, outgoing and driven team player.
• Solution-oriented, see opportunities and proactively proposing new solutions, speak and write fluently in English.

Skill Set Required:

• Experience in Java 8.
• Experience in Spring Boot and other spring framework like Spring data, AOP etc.
• Experience in MongoDB/ Kafka / RabbitMQ etc.
• Experience in REST API
• Have worked on microservices
• Should have worked on minimum 2- 3 projects
• Experience in writing effective Unit test case for better coverage.
• Experience in writing good quality code by following code quality tools likes SonarQube etc.

Roles and Responsibilities

- Relevant work experience in Java 1.7 or higher / J2EE Java development.

. Have experience of agile systems development methodologies such as SCRUM

- Experience in designing the solution and implementation.

- Is a communicative, positive, outgoing and driven team player.

- Solution-oriented, see opportunities and proactively propose new solutions, speak and write fluently in English.

Desired Candidate Profile

- Experience in Java 8.

- Experience in Spring Boot and other spring frameworks like Spring data, AOP, etc.

- Experience in MongoDB/ Kafka / RabbitMQ etc.

- Experience in REST API

- Have worked on microservices

- Should have worked on a minimum of 2- 3 projects

- Experience in writing effective Unit test cases for better coverage.

- Experience in writing good quality code by following code quality tools likes SonarQube etc.

Mandatory - Core Java / Java 8 & Spring Boot,

Good to have - MongoDB/Kafka / RabbitMQ / Micro Services

If you are interested and matching as per requirements, kindly share your updated CV and below details on hemant dot hingmire at sapper dot ai 

Total Experience?

Relevant Experience?

Core Java?

Java 8?

MongoDB/Kafka / RabbitMQ?

Springboot?

Microservices?

Current Company?

Current CTC?

Expected CTC?

Notice Period (Max 30 days)?

Tentative Date to Join Us?

Reason for Change?

Offer in Hand (Yes/ No) Annual CTC?

Living in Pune Yes / No?

 Core Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality are essential.

Responsibilities:
•Translate application storyboards and use cases into functional applications.

• Design, build and maintain efficient, reusable, and reliable Java code.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Identify bottlenecks and bugs and devise solutions to these problems.
• Help maintain code quality, organization, and automatization.

Skills Needed:

• Java, JPA, Servlets, JAX/RS, JUnit
• Fullstack : Node/Angular/React
• Algorithm,Design Patterns, Data Structures
• TomCat, Wildfly
• MySQL, PostgreSQL
• HTML, JavaScript, jQuery,
• Mobile exposure: Cordova/PhoneGap
• Exposure in E-Commerce or Product based domain
• NoSQL exposure

Responsibilities :

- Design and develop highly scalable, highly available, reliable, secure and fault-tolerant systems with minimal guidance for one of the fastest-growing company in India

- Translate business requirements into scalable and extensible design

- Pair with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team

- Partner with the product management team to define and execute the feature roadmap

- Coordinate with cross-functional teams (Mobile, UX etc.) on planning and execution

- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies

- The building of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.

Experience and Skills :

- 2+ years of hands-on experience in designing, developing, testing and deploying applications on Node.JS for large scale applications.

- Strong proficiency with JavaScript

- Understanding of Asynchronous Request handling techniques.

- Deep knowledge of Linux : CentOS, Fedora, or Ubuntu

- Data modeling experience in Relational and NoSQL databases(MONGO DB)

- Ability to understand and implement Continuous Integration and Continuous Delivery

- Well versed with Agile methodologies, TDD and Test Engineering and Automation

- Ability to design and implement low latency RESTful services

- Experience troubleshooting server performance - memory issues, GC tuning, resource leaks, etc.

- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, network programming, concurrency and multithreading, fault tolerance, monitoring, security and operability of systems

- Continuously refactor applications to ensure high-quality design

- Ability to plan, prioritize, estimate and execute releases with a good degree of predictability