
Job Title: Lead Java Developer
Experience Required: 7+ Years
Location: Mumbai
About the Role
We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.
Key Responsibilities
- Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
- Build and optimize APIs for large-scale applications ensuring high performance and reliability.
- Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
- Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
- Write efficient SQL queries and integrate with relational and NoSQL databases.
- Collaborate with product managers, architects, and other developers to define and align on technical decisions.
- Identify and solve complex problems with innovative and scalable solutions.
- Drive best practices in coding standards, system design, and performance optimization.
- Communicate complex technical concepts clearly across teams and stakeholders.
Skills & Qualifications
- 7+ years of experience as a Backend Developer.
- Strong expertise in Java, Spring Boot, Microservices, SQL.
- Significant experience in API design and optimization for enterprise-scale applications.
- Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
- Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
- Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
- Strong communication and collaboration skills, with the ability to influence and align teams.

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Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon
Working Days : 6 Days (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework.
- Develop backend components, server-side logic, and statistical models.
- Design and implement high-availability, low-latency applications with robust data protection and security.
- Contribute to the development of highly responsive web applications.
- Collaborate with cross-functional teams on system design and integration.
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs)
- Familiarity with MongoDB and other NoSQL databases
- Exposure to data science libraries such as Pandas, NumPy, Scikit-learn
- Knowledge in building and integrating statistical learning models.

What We’re Looking For:
- Strong experience in Python (5+ years).
- Hands-on experience with any database (SQL or NoSQL).
- Experience with frameworks like Flask, FastAPI, or Django.
- Knowledge of ORMs, API development, and unit testing
Job Title: Associate Backend Engineer
Job Summary:
We are looking for an enthusiastic and motivated Associate Backend Engineer with 1 to 2 years of experience to join our growing engineering team. Whether you're a recent graduate or have some industry experience, this role offers a strong foundation to grow your skills in real-world backend development. You’ll work closely with experienced engineers and contribute to the design, development, and maintenance of scalable backend systems that power our products.
This position is ideal for individuals who are eager to learn, write production-grade code, and grow into a high-performing backend engineer.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Assist in building and maintaining backend services and APIs for web and mobile applications.
- Work with both relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases for data modeling and storage.
- Write clean, maintainable, and well-documented code under guidance.
- Contribute to authentication, authorization, and other core backend features.
- Collaborate with cross-functional teams including product, frontend, and QA to deliver complete features.
- Participate in code reviews and incorporate feedback to improve code quality.
- Debug issues, write unit/integration tests, and help maintain service reliability and performance.
- Learn to work with CI/CD pipelines, version control (Git), and deployment workflows.
- Use tools like Docker, basic cloud services (AWS/GCP/Azure), and optionally explore monitoring/logging tools.
- Explore new technologies such as GraphQL, WebSockets, or message queues (e.g., Kafka, RabbitMQ) when relevant.
Requirements:
- 1 to 2 years of backend development experience, including internships, academic projects, freelance, or open-source work.
- Familiarity with at least one backend programming language (e.g., Python, Java, Go, JavaScript, etc.).
- Basic understanding of RESTful APIs, HTTP, databases, and server-side logic.
- Exposure to SQL and NoSQL databases and understanding of CRUD operations.
- Familiarity with Git and fundamental development workflows.
- Willingness to learn and apply best practices in scalability, security, and asynchronous programming.
- Strong problem-solving mindset and eagerness to take feedback and grow.
- Good communication and collaboration skills in a team environment.
Job brief
We are looking for a qualified Database developer to design stable and reliable databases, according to our company’s needs. You will be responsible for developing, testing, improving and maintaining new and existing databases to help users retrieve data effectively.
As part of our IT team, you will work closely with developers to ensure system consistency. You will also collaborate with administrators and clients to provide technical support and identify new requirements. Communication and organization skills are keys for this position, along with a problem-solution attitude.
Ultimately, you should be able to ensure our database systems run effectively and securely on a daily basis.
Responsibilities
- Design stable, reliable and effective databases
- Optimize and maintain legacy systems
- Modify databases according to requests and perform tests
- Solve database usage issues and malfunctions
- Liaise with developers to improve applications and establish best practices
- Gather user requirements and identify new features
- Develop technical and training manuals
- Provide data management support to users
- Ensure all database programs meet company and performance requirements
- Research and suggest new database products, services and protocols
Requirements
- Proven work experience as a Database developer (5+ Years)
- In-depth understanding of data management (e.g. permissions, recovery, security and monitoring)
- Knowledge of software development and user interface web applications
- Advanced proficiency and hands on experience with T-SQL, Stored Procedures, Cursors, Triggers, Schedulers etc.
- Familiarity working with MS SQL Server, MySQL, .Net Framework, java
- Excellent analytical and organization skills
- An ability to understand front-end users’ requirements and a problem-solving attitude
- Ability to craft detailed technical manuals.
- Excellent verbal and written communication skills
- BE/MCA/MSc Degree in Computer Science or relevant field.
Senior Back-end Engineer Developer
What We Need
Looking for a senior back-end developer who will start working in our Bangalore office and then will be given an opportunity to move to Netherlands to work closely with our clients
- A highly motivated and experienced frontend software engineer / developer with a proven track record (at least 5 years of experience).
- A Bachelor’s degree in computer science.
- Someone who loves to work in a multidisciplinary team of engineers and business colleagues in a high-tech environment.
- You are able to work in a dynamic and demanding environment, a real team player and a speak-up mentality to promote your ideas in a concise way.
- You are a problem-solver and see yourself as a hardcore web developer.
- You have knowledge of, and experience with, different web technologies.
- You are skilled with implementing architecture & design patterns.
- You can write modular code that is configurable, extensible and testable.
- You have great analytical skills, conceptual understanding and able to quickly understand new technical concepts.
- You have a strong interest in the latest trends in software development & web technologies.
- You have strong communication skills to explain complex technical concepts.
- You are fluent in English both in verbal and written.
We are looking for a back-end engineer / developer:
Proficiency / experience with following technologies & tools:
- Thorough and deep understanding of Java JDK 11+, our foundational programming language
Spring Framework & AOP v5.2+
- Proven experience working with, and a deep understanding of Spring Boot 2.5+ and its modules (Web, Data JPA, Security OAuth2) and ability to explain complex use-cases related to persistency and web security
- Experience with Maven v3+
- Experience with containerization and deployments tools (eg. Docker v20+ and Kaniko, Helm (charts) v3+ with Kubernetes deployments)
- Experience working with CI/CD tools like GitLab SCM & pipelines and JFrog Artifactory
- Strong knowledge working with different types of SQL and NoSQL databases such as PostgreSQL v12+, MongoDB v4+ and Neo4J v4+
- Proficient in working with DevOps engineers on Cloud deployments (eg. Azure subscriptions)
- Experience in Agile/Scrum & (pref.) SAFe (Scaled Agile Framework) and enabling tooling – Atlassian Jira Cloud / Jira Align
- Experienced and skilled in full-stack development.
- Leading and solutioning product development of secure and high-performance applications.
- Good understanding of REST APIs and working knowledge of HTTP(S).
- Experienced in testing stack – Junit / Mockito
- Experience with software quality & vulnerability testing – SonarQube and Blackduck
- Proficient in writing software documentation on Atlassian Wiki
- Proficient in implementing data structures, algorithm design and OOPs concepts.

Hiring For SDE II - Python (Remote)
The Impact you will create:
-
Build campaign generation services which can send app notifications at a speed of 10 million a minute
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Dashboards to show Real time key performance indicators to clients
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Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
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Building highly available & horizontally scalable platform services for ever growing data
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Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
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Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
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You will build backend services and APIs to create scalable engineering systems.
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As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
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You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
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Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
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Identify and improvise areas of improvement through data insights and research.
Primary Responsibilities
-
End-to-end ownership of product development, from design, through implementation, testing, deployment, and maintenance
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Translating high-level requirements and end-user use cases into design proposals, decomposing complex features into smaller, short-term deliverable tasks
-
Maintaining constant focus on scalability, performance and robustness of architecture
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Designing and implementing logging, monitoring and alerting systems for existing and new infrastructure
-
Documenting API's and architecture design
-
Mentor and guide juniors on their path to become solid developers
What we look for?
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4+ of industry experience in technical leadership roles
-
Solid knowledge of Python, SQL, NoSQL, shell scripting and Linux operating environment
-
End-to-end experience in design and development of highly scalable enterprise and cloud data products
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Ability to challenge and redefine existing architecture to create robust, scalable and reliable products
-
Hands-on experience with design and troubleshooting of scalable web services, queue based systems, distributed databases and streaming services
-
Experience with modern DevOps technologies such as kOps, Kubernetes and Docker, CI/CD, monitoring and autoscaling



Experience: 5+ Years
An Architect is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.
- Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
- Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
- Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
- Responsibilities:
- Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities
- Provide technical guidance and mentorship to engineers, designers, and developers.
- Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
- Requirements:
Ideal candidate should have
- 7+ years of system implementation experience
- Experience with any of the following languages like Java / Nodejs / ROR / Python
- Expertise in micro service / Data modelling / AWS / Messaging
- Expertise in building scalable & reliable systems
- Good Experience in working with technologies like AWS, Redis,
- Experience in messaging systems like SQS/RabbitMQ
- Good knowledge of caching, Databases, distributed systems.
- Strong problem solving and analytical skills
- Good experience with Devops



Responsibilities
- Build and mentor the platform team at Checko.
- Own the design, development, testing, deployment, and craftsmanship of the team’s infrastructure and systems capable of handling massive amounts of requests with high reliability and scalability
- Leverage the deep and broad technical expertise to mentor engineers and provide leadership on resolving complex technology issues
- Entrepreneurial and out-of-box thinking essential for a technology startup
- Guide the team for unit-test code for robustness, including edge cases, usability, and general reliability
Requirements
- Must have design, development, testing, deployment of systems capable of handling massive amounts of requests with high reliability and scalability
- Must have strong command in writing production-level code in Java or Python including skills in debugging, performance analysis/optimization and memory usage optimization
- Must have worked with real-time web/mobile applications and event-driven architectures
- Must have experience working with relational and non-relational databases and understanding their data models and performance tradeoffs.
- Must have solid engineering principles and a clear understanding of data structures and algorithms
- Should have knowledge of service-oriented architecture, caching techniques, micro-services, and distributed systems
- Should have basic understanding of C++/reactJS/Angular/Node
Desired Skills and Experience
Algorithms, debugging, performance optimization on low-end processors, data structures, REST, service-oriented architecture.
Java
J2ee
working experience with one or more clouds
Understanding of design architecture
Experience with Traditional databases and nosql databases
Sound in Algorithms,data structures and problem solving
Good at coding and design

