Python
Kotlin
Spring BootRole & Responsibilities
Take end-to-end ownership of critical backend services — from architecture and development to deployment and scale.
Design systems for performance, reliability, and observability. Identify bottlenecks and eliminate them proactively.
Collaborate with product and design to deeply understand user pain points and build the right solutions.
Work independently and own complex modules with minimal oversight.
Champion clean, maintainable code and help set a high bar for engineering excellence across the team.
Stay up-to-date with new tools, technologies, and backend trends — and bring the best ideas into our stack.
Ideal Candidate
2+ years of backend development experience, ideally with Kotlin and Spring Boot (or willingness to ramp up quickly).
You’ve worked in fast-moving teams and thrive when given room to figure things out.
You take initiative and can drive complex modules to completion without needing constant guidance.
Strong with both low-level and high-level design; you know how to build scalable, reliable RESTful APIs.
Proficient with relational databases and aware of common performance pitfalls.
Confident with debugging and optimizing — memory leaks, latency issues, and other hard-to-find problems don’t scare you.
You write clean, testable code and know how to leave systems better than you found them.
You bring a product mindset — caring not just about what’s built, but why and how it delivers value to users.
Shubham Vishwakarma
Full Stack Developer - Averlon
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Python
Java
DjangoReview Criteria
- Strong Senior Backend Engineer profiles
- Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
- Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
- Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
- Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
- Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
- Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
- (Company) – Must have worked in product companies / startups, preferably Series A to Series D
- (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred
Role & Responsibilities
As a Founding Engineer at company, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.
This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.
Key Responsibilities-
- Build core platform features: Develop robust APIs, services, and integrations that power company’s billing automation and revenue recognition capabilities
- Work across the full stack: Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
- Implement critical integrations: Connect company with external systems including CRMs, data warehouses, ERPs, and payment processors
- Optimize for scale: Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
- Drive quality and best practices: Write clean, maintainable code while participating in code reviews and architectural discussions
- Solve complex problems: Debug issues across the stack and work closely with teams to address evolving client needs
The Impact You'll Make-
- Power business growth: Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
- Build critical financial infrastructure: Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
- Shape product direction: Join during our scaling phase where your contributions immediately impact product evolution and customer success
- Accelerate your expertise: Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
- Drive the future of B2B commerce: Help create infrastructure powering next-generation pricing models from usage-based to value-based billing.
JavaSpring Boot
GitA primary source of raw materials for manufacturers globally. A raw material sourcing platform with a mission to be the primary source of raw materials for manufacturers globally. Their cross border supply chain and tech solutions ensures manufacturers have access to the best quality raw materials at the right price.
Job Description
As a Backend Engineer you will be responsible for creating REST APIs which are used to drive the User Interface. Given the nature of the application, these APIs need to be very efficient and high performing.
This requires optimizing queries for faster execution and introducing database changes that may be required. We are looking for individuals with great attention to detail, who are genuine, confident, committed and not only passionate about technology, but excited to work in a fun and friendly start-up environment. T
he ideal candidate will be passionate about technology and GETTING IT DONE.
Responsibilities include:
Develop, test, implement and maintain application software
Take part in software and architectural development activities
Debug application issues and helping support respond to client queries
Participate in application development meetings
Provide accurate estimates, clearly communicate status of tasks and identification of risks
Commitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problem
Performance tuning of application code at different service levels
Interact with customers of the application and help address issues reported
ESSENTIAL SKILLS / EXPERIENCE REQUIRED
- Bachelor's degree in Computer Science or equivalent
- 1-3 years of experience with Java and Spring frameworks.
- Having good knowledge of a scripting language like python is a plus
- Experience with Spring and Hibernate/ ORM
- Understanding of relational databases and normal forms
- Understanding of NoSQL / RDBMS (Mongo or Postgres) and ability to write optimized and high-performing queries
- Strong understanding of Java concurrency, concurrency patterns, experience building thread-safe code
- Experience building RESTful web services
- Strong written and verbal communication skills
- Strong interpersonal skills and time management skills
- Strong problem-solving and analytical skills
- Experience with GIT as a VCS, Unix-based systems
- Experience with NoSQL Database is a plus Following are a set of 'good to have' skills
- React AWS Bitbucket, JIRA
JavaSpring BootJob Description:
We are looking for a Software Engineer with solid development experience in Java and related frameworks. We are looking for a self-motivated, go-getter, out-of-the-box thinker who is ready to work in a high-energy start-up environment. He/she must demonstrate a high level of ownership, integrity, and creativity.
Required Skills:
• Core Java (Proficient)
• Spring, Spring MVC OR Spring boot
• Hibernate – Good to have
• Oracle/MySQL DB - Hands-on (Intermediate)
• REST API and AWS– Good to have
• Hands-on experience of working on Spring boot based Microservices (Intermediate)
• Good to have knowledge of Microservice DevOps tools (Git, Jenkins, JUnits, deployment, monitoring, tracing)
• Sound understanding of core Java, SOAP Services, REST Services, Spring & maven, having expertized to work on Unix platform
• Should have working knowledge on web servers (e.g. Apache HTTP) and application servers (e.g. Tomcat, WebLogic)
• Should have a working knowledge of any relational database. Preferred will be Oracle and MySQL.
Roles and Responsibilities:
• You will design, develop, modify, debug and/or maintain software code according to functional, non-functional and technical design specifications.
• You will follow software engineering standards, applicable software development
methodology and release processes, to ensure code is maintainable, scalable,
supportable and demo the software products to stakeholders
• You will investigate issues by reviewing/debugging code, providing fixes and workarounds, and reviewing changes for operability to maintain existing software solutions.
• You will work within a team, collaborate and add value through participation in peer code reviews, provide comments and suggestions, work with cross-functional teams to achieve goals.
Why should you join Opcito?
We are a dynamic company that believes in designing transformation solutions for our customers with our ability to unify quality, reliability, and cost-effectiveness at any scale. Our core work culture focuses on adding material value to client products by leveraging best practices in DevOps like continuous integration, continuous delivery, and automation, coupled with disruptive technologies like cloud, containers, serverless computing, and microservice-based architectures.
Here are some of the perks of working with Opcito:
• Outstanding career development and learning opportunities
• Competitive compensation depending on experience and skill
• Friendly team and enjoyable work environment
• Flexible working schedule
• Corporate and social events.
JavaSpring BootResponsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal
guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and spread design
philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Should have at least 2 years of hands on experience in designing, developing, testing and deploying
applications on Java, Ruby, Kotlin, Python, Node or Go for large scale applications
- Deep knowledge of one of the programming language they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to alleviate dependency
risks.
- Well versed in working with agile methodologies which includes phases such as design, development,
code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source
code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks
etc
- Continuously refactor applications to ensure high quality design.
JavaSpring BootUserExperior is a fast-growing, well-funded software product start-up based in
Mumbai with marquee clients from India in its portfolio. UserExperior empowers
product teams to build great applications for their customers. At UserExperior we are
focused on building the best mobile app analytics platform. As part of our engineering
team, you will be working on exciting & challenging problems. We are looking for
talented, enthusiastic and self-driven software engineers who are passionate about
software engineering and want to build great products.
Roles & Responsibilities :
● You’ll work as part of the software engineering team along with other front-end,
back-end, mobile app, QA teams & you will also closely work with the founder.
● You should be able to take the ownership of a project end to end.
● Your primary focus will be to build, implement & maintain the complete back-end
stack of the product.
● You will create production grade code and will implement the solutions which run
bug free.
● Participate in product development discussions and product development
road-maps.
● Collaborate with members across departments to identify and build on
improvements to product, process and systems.
Required Experience and Qualifications:
● 2 to 6 years of software development experience.
● Experience of working on application architecture design will be preferred.
● Experience of working in at least 1 or 2 projects, managing or leading the entire
tasks.
● Experience in Docker/Kubernetes, Agile methodologies & CI/CD automation
process.
● Knowledge of Queueing technologies like Kafka, RabbitMQ, ActiveMQ, Version
control using Git.
● Experience in microservices architecture, in-memory systems like Redis and
basic knowledge of Linux/Unix systems.
● Experience of building applications processing large volumes of streaming data
will be preferred.
● Experience from a middle size company or from a startup will be preferred.
● BE/MCA/MSc in Computers/Information technology with a good academic
record.
Key Skills:
● Java, & Spring boot
● Hibernate
● Spring Boot JPA
● Object Oriented Programming
● MySQL & MongoDB
● Jenkins
Perks & Benefits:
● Great learning, innovative and development platform.
● Remote work and flexible timings.
● Reimbursement of the online learning courses on certification.
● Medical insurance coverage for you and the dependence.
● Five Working days per week.
DjangoPython- Deep understanding of Django and DRF
- Write effective, scalable code
- Develop back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Test and debug programs
- Improve functionality of existing systems
- Implement security and data protection solutions
- Assess and prioritize feature requests
- Coordinate with internal teams to understand user requirements and provide technical solutions
Go Programming (Golang)JavaPython
PostgreSQLEsper is looking for a software engineer to transform the customer experience
for developers and engineering teams using the platform of services to deploy
and build out their device fleets. You and your team will own services that will
enable customers to develop and customize their development process, along
with easing their use of Continuous Integration techniques for their software. We
need a leader that is experienced in delivering scalable multi-region fault tolerant
systems, is passionate about the developer tools space, is excited to have
software developers as their customers, and is obsessed about creating
compelling customer experiences.
In this role you will contribute to a critical and highly-visible function within the
Esper business. You will be given the opportunity to autonomously deliver the
technical direction of the service, and the feature roadmap. You will work with
extraordinary talent and have the opportunity to hire and shape the team to best
execute on the product. If you’re excited to have a large impact on Esper and the
device industry, you’ll find this role to be engaging, challenging, and full of
opportunities to learn and grow.
Key Responsibilities
Help drive business decisions with your technical input
Design, implement, test, deploy and maintain innovative software
solutions to transform service performance, durability, cost, and
security.
Use software engineering best practices to ensure a high standard of
quality for all of the team deliverables
Write high quality distributed system software
Work in an agile, startup-like development environment, where you are always working on the most important stuff.
Basic Qualifications
2 -4 years of professional software development experience
You’ve designed, built, scaled and maintained production services, and know how to compose a service oriented architecture.
Degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
You write high quality, well tested code to meet the needs of your customers
You are comfortable with programming languages like Go, Python, Java
You’ve good understanding of databases system like Postgres. Extensive Knowledge about Postgres is a big plus.
You’ve have worked with Docker, Kubernetes and have fundamental understanding of distributed systems like Kafka, Elasticsearch
Preferred Qualifications
Experience taking a lead role developing complex software systems that have successfully been delivered to customers.
Experience in communicating with users, other technical teams and senior management to collect requirements, describe software product features, technical designs and product strategy.
Knowledge of professional software engineering practices & best practices for full software development life cycle, including coding standards, code reviews, source control management, continuous deployments, testing and operations
Demonstrated ability to mentor junior software engineers in all aspects of their engineering skill-sets.
What we think makes us special
Esper is a fast-growing, well-funded company where everyone matters and you can see your impact daily. We trust our teammates and offer intense ownership and therefore accountability. We’re inventing the future and building something special. The team really enjoys what we do and cares about your input. We don’t hire just to fill a spot, we want you to make a difference.
As you help us build this special company, Esper will take care of you. We offer flexible vacation, regular hack-days, competitive pay and benefits, and room for advancement. We hire capable veterans so we avoid the drama and trust in each other’s work. Our worldwide footprint mixes different cultures for a unique experience. We also like to have fun because we play just as hard as we work.
JavaSpring Boot
NodeJS (Node.js)- B.Tech/B.E (preferably in Computer Science Engineering)
- 7+ years of hands-on programming experience in building data-driven REST APIs, services & platforms using advanced Java frameworks like Spring, Redis, Node.js etc. with deep focus on integration & scale.
- We also look for hands-on experience with Mysql, Elasticsearch (or Solr) and Nosql stores.
- Our evaluation starts with focus on computer science fundamentals, data structures & algorithms.
- You will have been learning new technologies every week and prefer folks who can use golang/rust for backend development and are familiar with equivalent data stores, index stores and pub-sub technologies.
JavaSpring BootLocation: Sargasan, Gandhinagar
Experience – 3 to 5 years
Education –ME, BE in computer science , BCA & MCA
Salary Budget – Based on experience and interview ( normally 10% to 15% hike in current salary )
Job Description
We are looking for an analytical, results-driven Back-end Developer who will work with team members to troubleshoot and improve current back-end applications and processes. The Back-end Developer will use his or her understanding of programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users. You should have excellent communication, computer, and project management skills.
To succeed as a Backend Developer, you should be focused on building a better, more efficient program and creating a better end-user experience. You should be knowledgeable, collaborative, and motivated.
Back-end Developer Responsibilities:
Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
Developing ideas for new programs, products, or features by monitoring industry developments and trends.
Recording data and reporting it to proper parties, such as clients or leadership.
Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
Taking lead on projects, as needed.
Implement complex business application using Java (Spring Boot)
Build REST APIs that serve our frontend apps as well as other clients
Create scalable and distributed microservices
Rearchitect existing applications to move to a future-proof architecture
Streamline automated deployment and DevOps flow
Deploy on AWS
Back-end Developer Requirements:
Bachelor’s degree in computer programming, computer science, or a related field.
Design & development of J2EE applications using Java EE, Spring, hibernate & Linux
Should have exposure to multithreading and Concurrent Programming.
Extensive experience in application development using Java (Spring Boot and Spring REST)
Exposure to a microservices architecture
Exposure to RabbitMQ or Kafka is highly desirable
Experience in Hibernate or equivalent ORM Framework
Experience with CICD using Gitlab or AWS CodePipeline or AWS CodeDeploy
Familiarity with NoSQL Databases like MongoDB or Cassandra
Exposure to AWS is highly desirable
Exposure to Kubernetes is highly desirable
Strong understanding of the web development cycle and programming techniques and tools.
Focus on efficiency, user experience, and process improvement.
Excellent project and time management skills.
Strong problem solving and verbal and written communication skills.
Ability to work independently or with a group.
Willingness to sit at desk for extended periods.
PythonDjango
Flask- Expert in Python. Comfortable with Web frameworks, such as Flask or Django
- Familiarity with Object Relational Mapping Libraries and ability to Integrate with Multiple Data Sources into One System
- Understanding of Limitations of Python and Multi Process Architecture. Understanding of Design Principles of Scalable Application
- Has familiarity with data frameworks in Python - Pandas or
- Good object-oriented design skills and knowledge of design
- Knowledge of key-value stores, caching, search, messaging queues
- Minimum 5 years of experience in the above
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon