
About the Role:
We’re looking for a Python Developer to build, optimize, and scale applications that power our trading systems. You’ll work on automation, server clusters, and high-performance infrastructure in a fast-paced, tech-driven environment.
What you’ll do:
- Build and test applications end-to-end.
- Automate workflows with scripts.
- Optimize system performance and reliability.
- Manage code versions and collaborate with peers.
- Work with clusters of 100+ servers.
What we’re looking for:
- Strong Python fundamentals (OOP, data structures, algorithms).
- Experience with Linux commands, Bash scripting.
- Basics of Numpy, Matplotlib, and PostgreSQL.
- Hands-on with automation and scripting tools.
- Problem solver with a focus on scalability & optimization.
Why Dolat?
- Work at the intersection of finance & tech.
- Opportunity to solve complex engineering problems.
- Learn and grow with a team of smart, collaborative engineers.

About Dolat Capital Market Private Ltd.
About
Dolat Capital Market Pvt. Ltd. is a multi strategy trading firm, dedicated to producing superior returns adhering to mathematical and statistical techniques. We trade actively in all Asset classes: equities, futures, options, commodities, currencies and fixed income taking advantage of our ultra low latency infrastructure. Our low latency infrastructure is in C++, one of the most competitive in terms of latency.
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About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment. We're seeking an experienced Backend Software Engineer to join our team. As a backend engineer, you will be responsible for designing, developing, and deploying scalable backends for the products we build at NonStop. This includes APIs, databases, and server-side logic.
Responsibilities:
● Design, develop, and deploy backend systems, including APIs, databases, and server-side logic
● Write clean, efficient, and well-documented code that adheres to industry standards and best practices
● Participate in code reviews and contribute to the improvement of the codebase
● Debug and resolve issues in the existing codebase
● Develop and execute unit tests to ensure high code quality
● Work with DevOps engineers to ensure seamless deployment of software changes
● Monitor application performance, identify bottlenecks, and optimize systems for better scalability and efficiency
● Stay up-to-date with industry trends and emerging technologies; advocate for best practices and new ideas within the team
● Collaborate with cross-functional teams to identify and prioritize project requirements
Requirements:
● At least 5+ years of experience building scalable and reliable backend systems
● Strong expertise in NodeJS/NestJS, Express, PostgreSQL
● Experience with microservices architecture and distributed systems
● Proficiency in database design (SQL and NoSQL)
● Knowledge of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines
● Deep understanding of design patterns, data structures, and algorithms
● Hands-on experience with containerization technologies like Docker and orchestration tools like Kubernetes
● Exceptional communication and leadership skills
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to effectively lead and maintain a collaborative team environment
Hello,
Greetings from CodersBrain!
Coders Brain is a global leader in its services, digital, and business solutions that partners with its clients to simplify, strengthen, and transform their businesses. We ensure the highest levels of certainty and satisfaction through a deep-set commitment to our clients, comprehensive industry expertise, and a global network of innovation and delivery centers.
This is regarding the urgent opening for the'' ROR Developer role. We found your profile in the Cutshort database and it seems like a good fit for the organization. If you are interested, do revert back with your updated CV along with the details:
Permanent Payroll : CodersBrain
Location:- Mumbai/ Kolkata
Notice Period:- imm./15 daysJob Description
Scope of work This role is an exciting opportunity to build highly interactive
customer facing applications and products.
Candidate will help transform vast collections of data into
actionable insights with intuitive and easy to use interfaces and
visualizations.
Candidate will leverage the power of JavaScript and Ruby on
Rail to build novel features and improvements to our current suite
of tools.
This team is responsible for customer-facing applications that
deliver SEO data insights.
Through the applications customers are able to access insights,
workflows, and aggregations of information above and beyond
core data offerings
Responsibility
Build and maintain the core frontend application
Work collaboratively with the engineers on the Frontend team to
ensure quality and performance of the systems through code
reviews, documentation, analysis and employing engineering
best practices to ensure high-quality software
Contribute to org devops culture by maintaining our systems,
including creating documentation, run books, monitoring, alerting,
and integration tests, etc.
Participate in architecture design and development for new
features and capabilities, and for migration of legacy systems, to
meet business and customer needs.
Take turns in the on-call rotation, handling systems and
operations issues as they arise including responding to off-hours
alerts
Collaborate with other teams on dependent work and integrations
as well as be vigilant for activities happening outside the team
that would have an impact on the work your team is doing.
Work with Product Managers and UX Designers to deliver new
features and capabilities
Use good security practices to protect code and systems
Pitch in where needed during major efforts or when critical issues
arise
Give constructive, critical feedback to other team members
through pull requests, design reviews, and other methods
Seek out opportunities and work to grow skills and expertise.
C) Skills Required
Essential Skills JavaScript (preferred ExtJS framework)
Ruby
Ruby on Rails
MySQL
Docker
Desired Skills Terraform
Basic Unix/Linux administration
Redis
Resque
TravisCI
AWS ECS
AWS RDS
AWS EMR
AWS S3
AWS Step Functions
AWS Lambda Functions
Experience working remotely with a distributed team
Great problem-solving skills
D) Other Information
Educational Qualifications Bachelor's degree/MCA
Experience 5– 8 years
Please confirm the mail with your updated CV if you are interested in this position and also please share the below-mentioned details :
Current CTC:
Expected CTC:
Current Company:
Notice Period:
Notice Period:Are you okay with 1 week Notice period if not then comfortable as freelancing work with us till joining:-
Current Location:
Preferred Location:
Total-experience:
Relevant experience:
Highest qualification:
DOJ(If Offer in Hand from Other company):
offer in hand:
Alternate number:
Interview Availability
As a back-end developer, you’ll work on our back-end app that is built with Ruby on Rails. You’ll help to plan and develop new features, review other people’s code, fix bugs, help in technological and business decisions, and support the internal team.
Responsibilities
- Work in our main app back end built with Ruby on Rails
- Act as an architect of new features
- Review other people's code
- Fix bugs
- Help in decisions of technology and business
- Support internal team
- Refactor code
Requirements
- At least 3 years of industry experience
- At least 1 year of experience working on Ruby on Rails projects
- Comfortable in dealing with server infrastructure and deployment processes
- Experience with continuous delivery and automated testing.
- Experience with refactoring Ruby on Rails applications
- Experience in designing, developing and maintaining APIs
- Can work for at least a couple of hours during Japanese business hours
Nice to haves
These aren’t required, but be sure to mention them in your application if you have them.
- UI/UX design principles
- Good understanding of coding best practices and design patterns
- Understanding of security technologies (encryption, authentication, OAuth 2.0)
- Contribution to open source projects
- Interest and ability to learn other coding languages as needed
- Agile Development experience
Criteria:
- BE/MTech/MCA/MSc
- 3+yrs Hands on Experience in TSQL / PL SQL / PG SQL or NOSQL
- Immediate joiners preferred*
- Candidates will be selected based on logical/technical and scenario-based testing
Note: Candidates who have attended the interview process with TnS in the last 6 months will not be eligible.
Job Description:
- Technical Skills Desired:
- Experience in MS SQL Server and one of these Relational DB’s, PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch
- Design database tables, views, indexes
- Write functions and procedures for Middle Tier Development Team
- Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
- Query Optimization for performance improvement
- Design & develop SSIS Packages or any other Transformation tools for ETL
- Functional Skills Desired:
- Banking / Insurance / Retail domain would be a
- Interaction with a client a
3. Good to Have Skills:
- Knowledge in a Cloud Platform (AWS / Azure)
- Knowledge on version control system (SVN / Git)
- Exposure to Quality and Process Management
- Knowledge in Agile Methodology
- Soft skills: (additional)
- Team building (attitude to train, work along, mentor juniors)
- Communication skills (all kinds)
- Quality consciousness
- Analytical acumen to all business requirements
Think out-of-box for business solution
Strong fundamentals in OOPS, RDBMS, Data structures, and Design patterns
Experience in any SQL database (Preferably SQL Server)
Ability to write clean code
Ability to write automated unit tests using frameworks such as NUnit, Mock, etc.
Ability to communicate and articulate clearly and work collaboratively in an agile team
Experience with code repositories like git
Ability to communicate and articulate clearly and work collaboratively in an agile team
• Candidate with exceptional programming skills, problem-solving abilities and strong work
ethic.
• The candidate has to work on custom programming and web application development for
Drupal.
• Testing, maintenance and troubleshooting of existing company sites and resolving issues if
any.
• Contributing ideas and efforts towards internal projects and working as part of a team to
find solutions on various problems.
• Communicate technical ideas to business users and other teams (design, QA).
• Collaborate with team members and to work independently when needed.
• Eager to embrace current and emerging web technologies.
To be the right fit, you'll need:
• Experience of total 4+ years working on PHP and Drupal 7,8 Development (at least 2+ years in Drupal 8)
• Strong knowledge of MySQL, jQuery, HTML5, CSS
• Experience with Drupal architecture, best practices and coding standards
• Knowledge on Views, Services etc.
• Experience in custom module and theme creation
• Familiar with sub version control systems such as Git or SVN
• Basic knowledge of environment setup for Linux distribution
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
Your Responsibilities :
1) Building highly scalable and secured applications/microservices and responsive APIs
2) Assessing the security risks associated with the platform architecture and suggesting/implementing suitable changes for the same.
3) Architect and implement back-end services to support our mobile and web clients.
4) Creating and implementing database schemas that represent and support business processes.
5) Use best software development practices and processes including unit testing, code reviews, and site monitoring post deployment.
6) Continue to research and evaluate new technologies that may improve performance and elegance of our software implementation.
7) Explore and Integrate third-party APIs when required for the project.
8) Work closely with the rest of the team to bring our features into production.
Your skills :
- Hands-on experience in Django Framework.
- Strong Knowledge of Python.
- Strong Knowledge of MVC design pattern and object oriented programming concepts.
- Strong knowledge of RDBMS like Postgresql and Database schema design.
- Experience in developing robust and secure RESTful web API and microservices using Django/Python.
- Experience in Test Driven Development.
- Experience in handling No-SQL MongoDB or similar.
- Hands-on experience in GitHub.
- Experience in CI, CD tools like jenkins.
- Experience in managing cloud-based web applications on Amazon Web Services or Google Cloud.
- You love code and up for the challenge!









