Senior Java Developer

About Impact Analytics

Impact Analytics is an agentic-first AI software company transforming retail merchandising through cutting-edge AI, LLMs, and Generative AI technologies. As a fast-growing Series D company with deployments across five continents, it is building both industry-leading merchandising solutions and foundational AI agents that are redefining how retail decisions are made. What makes Impact Analytics unique is its combination of deep retail domain expertise, strong innovation culture, and global presence. It is one of the few India-born AI companies recognized globally by organizations like Fortune, Gartner, and the Inc. 5000.For candidates looking to work on next-generation AI products with global scale and real-world impact, Impact Analytics is an exciting place to build your career. Here’s a link to our website: www.impactanalytics.co.

The impact that you will be making

We are seeking a Senior Software Engineer – Backend to design and build scalable backend systems that power Android-first mobile applications. The ideal candidate will have strong backend engineering expertise, experience supporting mobile applications, and a passion for building high-performance, reliable distributed systems that operate efficiently under constrained network conditions.

You will work closely with Android developers and cross-functional teams to build APIs and backend services that enable seamless mobile experiences, including offline synchronization, scalability, and high availability

What lands you in this role

Key Responsibilities

• Design, develop, and maintain scalable backend services and RESTful APIs for Android/mobile applications.
• Build backend systems optimized for Android-first applications with a focus on performance, reliability, and scalability.
• Develop APIs that perform efficiently in low-bandwidth and intermittent network environments.
• Design and implement backend workflows that support offline synchronization, conflict resolution, and data consistency.
• Develop secure, resilient, and highly available microservices.
• Optimize application performance through efficient database design, caching strategies, and API optimization.
• Collaborate closely with Android engineers, Product Managers, QA, and DevOps teams throughout the software development lifecycle.
• Participate in architecture discussions, code reviews, and technical design decisions.
• Leverage AI-assisted development tools to improve engineering productivity and code quality.

Required Skills

• 4–7 years of professional experience in backend software development.
• Strong proficiency in Kotlin for backend development.
• Experience building backend systems supporting Android/mobile applications.
• Strong understanding of RESTful APIs, microservices, and distributed systems.
• Hands-on experience with Gradle (Kotlin DSL/KTS) for build automation and dependency management.
• Familiarity with Android Studio for debugging, API integration, and collaboration with Android teams.
• Experience with modern backend frameworks and scalable application architecture.
• Knowledge of relational and/or NoSQL databases such as PostgreSQL, MySQL, MongoDB, or similar.
• Experience with caching technologies (Redis) and messaging/event streaming platforms (Kafka or RabbitMQ).
• Hands-on experience with Google Cloud Platform (GCP) or equivalent cloud platforms.
• Proficiency with GitHub and modern Git-based development workflows.
• Experience using Visual Studio Code (VS Code).
• Familiarity with AI-powered developer tools such as Cursor, Windsurf, or similar Agentic IDEs.
• Strong understanding of CI/CD pipelines, containerization, and cloud-native application development.
• Excellent debugging, analytical, and problem-solving skills.

What we offer

• An opportunity to be part of some of the best enterprise SaaS products to be built out of India.
• Opportunities to quench your thirst for problem-solving, experimenting, learning, and implementing innovative solutions.
• A flat, collegial work environment, with a work hard, play hard attitude.
• A platform for rapid growth if you are willing to try new things without fear of failure.
• Remuneration with best-in-class industry standards with generous health insurance cover

Some of our accolades include:

• Ranked as one of America's Fastest-Growing Companies by Financial Times for five consecutive years: 2020-2024.
• Ranked as one of America's Fastest-Growing Private Companies by Inc. 5000 for seven consecutive years: 2018-2024.
• Voted #1 by more than 300 retailers worldwide in the RIS Software LeaderBoard 2024 report.
• Ranked #72 in America’s Most Innovative Companies list in 2023—by Fortune—alongside companies like Microsoft, Tesla, Apple, IBM, etc.
• Forged a strategic partnership with Google to equip retailers with cutting-edge generative AI tools.
• Recognized in multiple Gartner reports, including Market Guides and Hype Cycle, spanning assortments, merchandising, forecasting, algorithmic retailing, and Unified Price, Promotion, and Markdown Optimization Applications.

Strong Senior Backend Engineer profiles

Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems

Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).

Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework

Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)

Strong written/verbal communication skills

·       Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

We are looking for a focussed, energetic and motivated Senior Java Developer. You must have sufficient experience in Java Development, Spring, Spring Boot, AWS and SQS, S3. You will be challenged with complex and robust product development.

As a Senior Java Developer, you will be the most senior developer within the company working alongside other Java Developers, the Engineering Manager, and the CTO.

Senior Java Developer requirements

Solid development experience using Java, Springboot, SQS, S3 and Microservices

Experience working in Swing Java framework

Revises, updates, refactors, and debugs code

Write clear, concise and efficient code and ensure it is fully tested

Service and develop features using Java with AWS, JUnit, SQL and Spring framework

You have a good knowledge of Cloud technologies (ideally AWS)

Participate in peer coding reviews and work in a collaborative, agile environment

Demonstrate technical knowledge and expertise with a clear understanding on the products' technical composition

Senior Java Developer responsibilities

7-9 yrs minimum work experience

Excellent analytical, troubleshooting, and communication skills

Excellent attention to detail and time-management skills

Serves as an expert on developed applications

Ability to adapt and learn new product/technology is key

Collaborates with internal teams to produce software design and architecture

Knowledge of Agile frameworks (i.e. Scrum) and has worked with Jira or Spira

Attend daily stand-up meetings alongside the Scrum Master

A self-starter, hardworking and committed individual

Work UK hours - ideally 9.00am - 6pm with the expectation to work out of ours when needed

Java

Mandatory:

1. Strong expertize in Java/J2EE(4-7 years of experience)
2. Strong  expertize in Microservices, SpringBoot
3. Java including multithreading and concurrency

Preferred skills :

1. Experience in  Virtualization, SDN, NFV, Yang, Netconf
2. Good Knowledge on Networking
3. Multithreading and concurrency

• As a polyglot developer Ideally, you should have:
• 1.5+ years of development experience using any of technology java, scala, python or any similar exciting technologies.
• Hands-on experience in coding, and implementation of complex, custom-built applications Working knowledge of build tool like maven/sbt and code versioning systems like git/bitbucket/cvs/svn
• Familiarity with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL etc Great OO skills, including strong design patterns knowledge
• Good communication and ability to work in a consulting environment is essential

• Think through hard problems in a consultancy environment, and work with amazing people to make the solutions a reality Work in a dynamic, collaborative, non-hierarchical environment where your talent is valued over your job title or years of experience
• Build custom software using the latest technologies and tools Craft your own career path

• Providing solution to real problems in Bigdata world.
• RnD on using the latest tools,techniques and cloud services.
• Automating the manual-timetaking tasks.
• Hands-on coding, usually in a pair programming environment.
• Working in highly collaborative teams and building quality code
• Working in lots of different domains and client environments
• Understanding the business domain deeply

Company: Product based Industry in Gurgaon - with offices in CANADA

Backed by intelligence and research, we assist your business perfect a greater outreach on the right audience. We are , your partner in professional growth. Offering bespoke consulting across varied segments, Trancis’ assistance is sure to set your business apart and ahead of your competition. With strong beliefs in detailed work approach, Trancis leaves nothing to chance. Meticulously going through each and every aspect of your business, we ensure that you have a well-oiled, and smooth- running venture. Appropriate business planning, correct legal and financial consulting, the right technical assistance, and more, experience an all- dimensional cooperation at . Company which stands for omnidirectional Now we are the leading IT based Industry in Gurgaon - with offices in Delhi NCR, Canada and France.We are specialized in Web Development & Digital Marketing with a proven track record of developing successful online store.Our overall client rating is 4.9 out of 5

Online test -> Final tech round

Product based / service based company

Role - Sr. Software Engineer - Java

Employment Type - Full Time, Permanent

Exp. - 5+ Years

Joining time - Immediately

work from home permanently

Knowledge and Skills:

• Strong experience in Advance Java, Spring, 
• Enterprise-grade cloud applications on Java EE platforms
•  

• Hands-on experience in designing and developing high-performing, scalable,

• Object Oriented analysis and Design patterns.
• Run the simulator against it for verifying the baseline.
• Trigger scripts that need to get the logs from the server
• Profound insight of Java and JEE internals (Memory Management, Transaction management)
• Excellent knowledge of Relational Databases SQL and ORM technologies
• Experience in developing RESTful web services
• Good experience in Spring, Spring Boot, REST APIs, Protocol Buffers
• Solid experience in creating and deploying micro services is very important.
• Working knowledge with AWS Lamda, Dockers
• Good to Have Skills: Shell script, MySQL
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit test

Proficient understanding of code versioning tools, such as GIT

Familiarity with build tools such as Ant, Maven, and Gradle

Familiarity with continuous integration

Mandatory skills: Advanced Java, Sprint Boot

What you bring to the table

• Education: Bachelor's degree in IT, computer science or related
• Experience: 5-9 years of relevant experience for SSE role
• Exposure to microservices, API management tools like Swagger
• Must have experience in working on Agile Scrum teams in the past and exposure to any of the Agile project management tools like Jira, Mingle, RTC, TFS etc.
• Proficient in application log analysis.
• Experience Java/JEE Development - especially EJB 2.1 / 3.0, JDBC
• Experience with application servers such as JBoss AS or IBM WAS is an advantage
• Experience in SQL programing using PostgreSQL / MySQL /Maria DB and JPA (Annotation Based)
• Knowledge of build tools such as Maven or Gradle and of continuous integration tools such as Jenkins, Nexus
• Basic knowledge of web services (SOAP or REST) and web technologies (HTML, CSS, JS)
• Basic knowledge of containers like Dockers, basic knowledge of cloud infrastructure
• Ability to interact and coordinate with employees at different levels, different groups, and different geographical locations within the company
• Ability to support multiple existing applications as well as work on building new ones
• Ability to provide accurate project estimates and make recommendations on specific technologies to use based on business requirements
• Good verbal and written Communication.
• Readiness for short term Domestic and International Travels

Preferred

• Industry knowledge with respect to payments systems and processing in the Debit/Credit and Account based payments (EFT Switching) from different channels like POS, ATM or ecommerce, Card Management System and Real Time Payment Systems.
• Exposure to the Interchange Interfaces like Visa Net, MasterCard, BankNet
• Exposure to Interchange Simulators and Mandates Management.