Technical Consultant - Java

Senior Python Developer

Experience: 4–8 Years

About the Role

We are looking for a Senior Python Developer Engineer to join our team. This role focuses on building and maintaining data-intensive backend systems, handling large-scale datasets, and exposing insights through robust, scalable APIs.

You will work closely with operational and transactional data, design efficient data pipelines, and build backend services that power analytics, reports, and ERP workflows. The ideal candidate is strong in Python, excellent with data and databases, and capable of owning features end-to-end.

Key Responsibilities

• Analyze large datasets to identify trends, inconsistencies, and operational insights.
• Design, build, and maintain backend services and REST APIs using Python and FastAPI.
• Perform advanced data manipulation and aggregation using Pandas, NumPy, and SQL.
• Design and optimize data pipelines for analytics, reporting, and downstream systems.
• Implement automated data quality checks, validations, and monitoring scripts.
• Work closely with product, application, and business teams to translate raw data into clear, actionable outputs.
• Optimize query performance across relational and analytical databases.
• Expose processed data and insights via APIs or dashboards for consumption by web or ERP applications.
• Ensure high standards of code quality, performance, scalability, and maintainability.
• Write clear documentation for APIs, data flows, and processing logic.

Required Skills & Qualifications

• 4–8 years of strong, hands-on experience with Python in production systems.
• Excellent experience with data handling, processing, and large datasets.
• Strong experience building APIs using FastAPI (or similar frameworks).
• Deep expertise in Pandas, NumPy, and SQL.
• Solid experience with MySQL and PostgreSQL.
• Experience working with analytical or reporting workloads.
• Strong understanding of data modeling, joins, aggregations, and performance tuning.
• Proficiency with Git and collaborative development workflows.
• Strong analytical and problem-solving skills with the ability to work independently.

Good to Have

• Experience with ClickHouse, Databricks, or Elasticsearch.
• Exposure to data engineering concepts such as ETL/ELT, batch processing, and data pipelines.
• Experience with workflow orchestration tools (Airflow, Prefect, Dagster).
• Familiarity with data visualization libraries (Plotly, Matplotlib, Seaborn).
• Experience with AWS services (S3, EC2, RDS, Lambda).
• Prior experience integrating data services into ERP or business applications.

Soft Skills

• Strong analytical mindset and attention to detail.
• High ownership and accountability.
• Ability to work independently with minimal supervision.
• Clear communication and documentation skills.
• Proactive, solution-oriented approach.

Role & Responsibilities :

- Lead the design, analysis, and implementation of technical solutions.

- Take full ownership of product features.

- Participate in detailed discussions with the product management team regarding requirements.

- Work closely with the engineering team to design and implement scalable solutions.

- Create detailed functional and technical specifications.

- Follow Test-Driven Development (TDD) and deliver high-quality code.

- Communicate proactively with your manager regarding risks and progress.

- Mentor junior team members and provide technical guidance.

- Troubleshoot and resolve production issues with RCA and long-term solutions

Required Skills & Experience :

- Bachelors/Masters degree in Computer Science or related field with a solid academic track record.

- 6+ years of hands-on experience in backend development for large-scale enterprise products.

- Strong programming skills in Java; familiarity with Python is a plus.

- Deep understanding of data structures, algorithms, and problem-solving.

- Proficient in Spring Boot and RESTful APIs.

- Experience with cloud technologies like ElasticSearch, Kafka, MongoDB, Hazelcast, Ceph, etc.

- Strong experience in building scalable, concurrent applications.

- Exposure to Service-Oriented Architecture (SOA) and Test-Driven Development (TDD).

- Excellent communication and collaboration skills.

Preferred Technologies :

- Java

- Spring Boot, J2EE

- ElasticSearch

- Kafka

- MongoDB, Ceph

- AWS

- Storm, Hazelcast

- TDD, SOA

Unico Connect is a forward-thinking technology company dedicated to pushing the boundaries of what's possible in the digital world. We are seeking an experienced Senior Node.js Developer to join our team. In this role, you will work on a wide range of exciting projects, from building robust backend systems with Node.js to exploring NoCode platforms and integrating AI tools & solutions. 

Responsibilities

1. Node.js Development: Design, develop, and maintain backend systems and RESTful APIs using Node.js. Ensure scalability, performance, and reliability of server-side applications.
2. Relational Databases: Work with relational databases (e.g., PostgreSQL, MySQL) to design, create, and optimize database structures, and implement data models.
3. NoCode Platforms: Collaborate with cross-functional teams to explore and evaluate NoCode platforms for rapid application development and automation.
4. OpenAI API Integration: Utilize OpenAI APIs to integrate language generation and understanding capabilities into our applications.
5. Language Model Exploration: Perform exploratory tasks related to Language Models, such as creating and fine-tuning models, and experimenting with various use cases.
6. Performance Optimization: Identify and resolve performance bottlenecks and ensure the efficient use of resources.
7. Security: Implement best practices for data security and access control, including user authentication and authorization.
8. Documentation: Maintain detailed technical documentation, including API documentation and database schemas.
9. Code Reviews: Participate in code reviews and mentor junior developers to ensure code quality and best practices are followed.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
• 4+ years of proven experience as a Node.js developer with a strong portfolio of relevant projects.
• Solid experience with relational databases, including database design and SQL.
• Familiarity with NoCode platforms or a willingness to learn and adapt to new technologies.
• Experience working with cloud services such as AWS or GCP, setting up instances, deploying applications. 
• Experience in implementing API caching using Redis or similar.  
• Understanding of OpenAI APIs and a strong interest in Language Model technologies.
• Proficiency in JavaScript and server-side scripting.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.
• Ability to work in a collaborative, fast-paced environment.

Nice to Have

• Knowledge of containerization and orchestration technologies (e.g., Docker, Kubernetes).
• Experience with GraphQL.
• Experience with implementing queue management systems such as RabbitMQ, Kafka, SQS.
• Previous experience working with natural language processing (NLP) technologies.
• Knowledge of DevOps and CI/CD practices.

Skills

• Node.js
• JavaScript
• Express.js
• MongoDB
• RESTful

Job Title: Java Lead – Software Engineering

Location: Mohali | Panchkula | Gurugram (Onsite)

Experience: 7+ Years

About the Role:

We are seeking a highly skilled and passionate Java Lead who will be responsible for designing, developing, and leading the implementation of scalable and maintainable product features. As a Lead, you will play a key role in guiding a team, ensuring coding best practices, and resolving complex technical challenges. This is a great opportunity for someone who thrives in a fast-paced environment, is passionate about solving technical problems, and is excited about leading product development end-to-end.

Key Responsibilities:

· Lead a team of developers in designing and building micro-services using Java.

· Decompose feature requests into sizable and estimable pieces of work.

· Deliver scalable, maintainable, and high-quality code within defined timelines.

· Conduct code reviews to ensure adherence to coding standards and best practices.

· Collaborate with cross-functional teams to solve complex technical challenges.

· Act as a subject matter expert for specific product components.

· Debug and resolve critical production issues with detailed root cause analysis.

· Drive adoption of Agile practices, ensuring proper planning, estimation, and delivery.

Required Qualifications:

· Bachelor’s degree in Computer Science or a related field.

· 7+ years of strong experience in Java development.

· 3+ years of hands-on experience in developing and delivering productized software applications.

· Experience in leading teams and mentoring developers.

· Proven ability to design and deliver scalable and maintainable applications.

· Strong problem-solving and analytical skills with a self-driven mindset.

· Excellent written and verbal communication skills.

Preferred Skills:

· Hands-on experience with Java micro-services.

· Familiarity with CI/CD pipelines.

· Strong understanding of Agile methodologies.

· Cloud and containerization exposure with AWS and Docker.

Technology Stack:

· Java

· Micro-services

· SQL

· AWS

· Docker

Increasingly is an award-winning, fast-growing retail technology company focused specifically on the automation of cross-selling for online retailers.

Our clients include large global corporations like Samsung, Motorola & Canon to several small to medium size retailers across the globe. Our AI-based algorithms help a customer buying a TV on Samsung to find the matching sound bar & purchase both together.

Increasingly is headquartered in London with offices in Lisbon & Bangalore. We work with clients in over 30 countries & 20 languages.

We are looking to rapidly expand our technology & product development operations in India. And we need smart, ambitious people like you who enjoy a fun yet challenging work environment.

We believe strongly that diversity & inclusion are the foundations for a lasting, incredible culture. We also believe that it’s important to get the balance right between work & life.

• You possess an appetite for problem-solving and critical thinking
• Back-end development is an inherently collaborative task. It can be made very difficult if there isn’t clear and concise communication within a dev team. You are a great communicator and a great developer
• You are always looking for new ways to be a better developer. You put an effort into learning and exploring the world of back-end development in your own time
• The back-end development sphere is as changeable and unpredictable as any in tech. You are someone who achieves comfort in You are aware of the tools and new technologies that are being introduced.
• You possess good technical communication skills: Can effectively communicate project needs with both front and back-end teammates
• High emotional intelligence: Self-aware and attuned to their peers’needs
• Be the best back-end developer by sheer discipline, motivation, and effort

• 2-3.5 years’ experience in back end Java/J2EE application development with clear understanding of Microservices
• Experience in developing internet web applications using Java/J2EE technologies
• Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA
• Experience in Java Version 0+. Good experience with JMS, Spring & Hibernate
• Experience in identifying database solutions for a given problem, preferably MySQL (good to have)
• Develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team
• Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle & MYSQL
• Experience with e-commerce, retail, analytics, advertising, or media would be an

• You'll get to work in one of the hottest & fastest growing retail technologies in Europe right now
• You'll get paid a competitive salary & be working directly with a super experienced team of people
• You'll get a great place to come to work every day. Varied, complex, challenging & with a great culture that you can shape & change

 Forbes I https://junction.cj.com/article/increasingly-talks-tech-cju17">Commission Junction Blog I https://blog.rakutenmarketing.com/en-uk/news/technology-partner-increasingly-on-innovationand-the-value-of-dynamic-cross-selling/">Rakuten Blog I https://www.tradedoubler.com/en/blog/introducing-increasingly-market-leader-dynamic-crossselling/">Tradedoubler Blog

Responsibilities

• You will design and develop large scale distributed services
• You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
• You will act as the primary owner of one or more components while driving innovation in your area of ownership
• You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
• You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
• You will work independently and handle dependencies with very minimal oversight
• You will take initiatives in developing and maintaining integrations of best practices within the back-end.
• You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.

Requirements

• You have 1 - 9 years of experience in software development.
• You have designed and scaled up the system.
• You have a strong understanding of Data Structures and Algorithms.
• You are an incessant problem solver and tougher the problem gets, more fun you have.
• You have strong command in any one or more of the following languages: Python and Django
• You understand the business impact of your decisions.

Good To Have

• You have prior experience in fintech companies

Traits We Are Looking For

• Experience in a specific tech stack doesn't matter for us.
• The general engineering mindset and aptitude is what matters more.
• Technically strong and curious.
• Should have a hacker mindset and should love exploring new technologies.

Desired Skills and Experience

Java, Python, Data Structures, Algorithms

Build reusable APIs for our client-facing apps in Node.js

Create and maintain scalable infrastructure leveraging modern cloud platforms Write tests and documentation as you implement features with your team Maintain expertise in current and emerging technologies and tools

4+ years’ Experience with NodeJS

BS degree or higher in Computer Science or Engineering Experience documenting and testing RESTful APIs

Experience working with databases in PostgreSQL, MongoDB or Redis

Experience and enthusiasm for working collaboratively with others in an Agile environment

• Work on building scalable backend platform for customer & seller apps, brands platform, demand generation platform, supply chain & logistics platform, credit platform and several cross platform software components
• Participate in the process to fundamentally change the food and grocery ecosystem in India, and impact billions of people through technology, mobile, and data science

Requirements:

An ideal candidate for this role is someone who has-

• BE/BTech degree in Computer Science from a top engineering school
• 1-5 years of professional software development experience
• Strong problem solving skills and strong command on object oriented design, data structures, algorithms and other computer science fundamentals.
• Strong coding skills - professional experience in developing production-quality software in Java/Python
• Expertise in Web Services, Service-oriented architecture, Databases, NoSQL, Distributed systems, Cloud Technologies.
• Extreme software engineering skills to design and develop low-latency, high availability, internet-scale web services
• Solid understanding of the full software development life cycle and software engineering best practices
• Ability to understand business requirements and translate them into technical requirements
• Demonstrated ability to own software design and development end to end from requirements to launch.
• Ability to collaborate with cross-functional teams to define, design, and ship new features.
• A startup mindset  - An athlete who can run at breakneck speed of a startup, yet someone who can bring method to madness through processes suitable for different stages of the company - early stage prototyping and rapid experimentation, before product/market fit, after product/market fit, and scaling.
• Familiarity with Agile development, Scrums, continuous integration, and test driven development processes
• Data driven product development approach - strong focus on data backed engineering decisions.
• Ability to develop products incrementally in fast iterations
• Ability to do collaborative problem solving and design/build chaos resilient systems
• Strong focus on software quality
• Ability to mentor junior developers, and help build an excellent engineering team
• Ability to be a talent magnet - attract great talent to join the core team.