Sr. software Engineer _ Ad tech - Bidder

Job Details

- Job Title: Lead Software Engineer - Java, Python, API Development

- Industry: Global digital transformation solutions provider

- Domain - Information technology (IT)

- Experience Required: 8-10 years

- Employment Type: Full Time

- Job Location: Pune & Trivandrum/ Thiruvananthapuram

- CTC Range: Best in Industry

Job Description

Job Summary

We are seeking a Lead Software Engineer with strong hands-on expertise in Java and Python to design, build, and optimize scalable backend applications and APIs. The ideal candidate will bring deep experience in cloud technologies, large-scale data processing, and leading the design of high-performance, reliable backend systems.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using Java and Python
• Build and optimize Java-based APIs for large-scale data processing
• Ensure high performance, scalability, and reliability of backend systems
• Architect and manage backend services on cloud platforms (AWS, GCP, or Azure)
• Collaborate with cross-functional teams to deliver production-ready solutions
• Lead technical design discussions and guide best practices

Requirements

• 8+ years of experience in backend software development
• Strong proficiency in Java and Python
• Proven experience building scalable APIs and data-driven applications
• Hands-on experience with cloud services and distributed systems
• Solid understanding of databases, microservices, and API performance optimization

Nice to Have

• Experience with Spring Boot, Flask, or FastAPI
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Exposure to Kafka, Spark, or other big data tools

Skills

Java, Python, API Development, Data Processing, AWS Backend

Skills: Java, API development, Data Processing, AWS backend, Python,

Must-Haves

Java (8+ years), Python (8+ years), API Development (8+ years), Cloud Services (AWS/GCP/Azure), Database & Microservices

8+ years of experience in backend software development

Strong proficiency in Java and Python

Proven experience building scalable APIs and data-driven applications

Hands-on experience with cloud services and distributed systems

Solid understanding of databases, microservices, and API performance optimization

Mandatory Skills: Java API AND AWS

******

Notice period - 0 to 15 days only

Job stability is mandatory

Location: Pune, Trivandrum

Sr Java Developer

Experience: 5+ Years

Location: Navi Mumbai, CBD Belapur

Domain: Banking (Payment Aggregators Project)

Work Schedule: 1st and 3rd Saturdays required, as per banking norms

Education: B.E. or Graduation in Computer Science or related field

Budget- 15 Lacs max fixed

Initial document check list before sharing the profiles.

Education

1. 10th Passing Certificate
2. 10th Mark Sheet
3. 12th Mark Sheet
4. 12th Passing Certificate
5. Convocation Certificate (Mandatory)
6. PG (if completed) Degree Certificate & Passing Certificate

Employment

1. Previous Organization’s Offer Letter
2. Previous Organization’s Appointment Letter
3. Previous Organization’s Experience Letter
4. Resignation Acceptance Mail from Previous Organization

JOB DESCRIPTION

Key Responsibilities:

Application Development: Design, develop, and maintain robust applications using Java, Spring, Spring Boot, Microservices, Hibernate, REST API, and Oracle SQL.

Spring Validation & Security: Implement input validation and manage secure access to resources using Spring Security.

Collaboration: Work hand-in-hand with cross-functional teams to define, design, and deliver innovative features.

Performance Optimization: Ensure peak performance, quality, and responsiveness of applications.

Problem Solving: Identify bottlenecks and bugs, and craft effective solutions.

Code Quality: Maintain high standards of code quality, organization, and automation.

Skills and Qualifications:

Experience: 5+ years in Java development.

Technical Proficiency: Expert in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and Spring Security.

Banking Domain Knowledge: Experience in payment gateway projects is a plus.

Design Patterns: Strong understanding of object-oriented programming and design patterns.

Problem Solver: Excellent analytical skills and ability to thrive in a fast-paced environment.

Required Skills and Experience:

Proficient in Java (Java 8 and above), with a strong understanding of object-oriented programming.

Knowledge in the trading domain, including familiarity with trading systems and protocols.

Strong skills in SQL and PL/SQL for database management and query optimization.

Hands-on experience with Linux and Windows operating systems for application deployment and maintenance.

Proficiency in scripting languages (e.g., Bash, PowerShell, or similar).

Knowledge of Python programming for auxiliary development and analytics tasks.

Familiarity with multithreading, concurrency, and low-latency application development.

Experience with CI/CD pipelines, version control systems (e.g., Git), and deployment workflows.

We are looking for a Java backend developer who would be working on the bleeding edge of technologies. We work primarily with a fully reactive stack powered by Spring Webflux and Reactive MongoDb Repository in AWS. Our services follow both event based approaches as well as workflow based depending on the use case.

Responsibilities

• Understand why a particular design was chosen and code accordingly
• Will have to deliver clean bug free unit tested code with minimal guidance
• Strive for continuous improvement by refactoring and applying best practices
• Learn and adapt to new technologies as necessary.
• Capable of working in both client side and server side technologies

Requirements

• Must have a Bachelor’s degree in computer science or equivalent
• Must have 2-3 years experience as a software developer
• Must be proficient in Core Java and Spring/Springboot. Knowledge of Webflux is not mandatory.
• Must have developed RESTful services
• Should understand git

Added Bonus

• Experience working with microservices
• Experience in a NoSql solution like MongoDB
• Experience working with Python

Position Responsibilities:
1.     Design, implementation, and deployment of applications
2.     Expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices.
3.     Functionally decompose complex problems into simple, straight-forward solutions.
4.     Work extensively with cross-functional teams across.
5.     Work with the business team and project managers to convert functional requirements into detailed technical specifications.
6.     The ideal candidate will be a leader, builder, and operator. He/she should be able to operate in a very fast-paced environment where time to hit the market is supercritical.

Desired Candidate profile: 
1.     A Bachelor's/Master’s degree in Computer Science or equivalent combination of technical education from Elite College or institution and work experience.
2.     4+ years of Software Development experience.
3.     Excellent object-oriented design and coding skills (Java, C++ on a UNIX or Linux platform).
4.     Very strong software development background including design patterns, data structures, test-driven development.
5.     Ability to design and implement systems end to end on your own while maintaining highest coding standards.
6.     Excellent knowledge of design patterns and ability to reflect it in their code.
7.     Ability to lead projects and mentor junior engineers on the same.
8.     Mandatory work experience in skills sets: REST API, JDBC, RDBMS (PostgreSQL, MySQL)
9.     Solid Experience with distributed (multi-tiered) systems, algorithms, and relational databases.
10.  Software development experience in Servlet, JSP, Spring, AWS, S3, SQS, building web services and highly scalable applications or Google Cloud Suite.
11.  Excellent verbal and written communication skills.

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

• You will build cutting-edge secure and scalable systems by writing simple and efficient code.
• You will own the backend development for one or more of our modules and collaborate with architects, other engineers, and product managers to launch new products and/or iterate on existing features. You'll build and manage automated build/test/deployment environments
• Ensure high standards through code reviews, design reviews, architecture discussions
• You will ensure that the systems you oversee are secure, fault-tolerant, and are performing reliably at high volumes.

• Well-versed in data structures, algorithms, and software design. Programming experience with at least one of Java or Python and object-oriented design
• Knowledge of SQL, NoSQL databases, Messaging/Caching technologies, and AWS deployments is a plus
• Able to write unit integration tests with coverage of code & interfaces. TDD is a plus
• Exposure to the architecture and design (design patterns, security, reliability, and scaling) of new and current systems. Experience in building highly scalable business applications, which involve implementing large complex business flows involving multiple third-party integrations
• Prior startup experience is a plus