

About CodeHall Technology Pvt Ltd
About
Whether it is about building a new system from scratch, maintaining an existing system or making feature upgrades to a legacy system, our team is committed to providing you the best open source solution for your need. When existing systems do not meet your needs, we help you identify the right technology solution. We have your back covered while you focus on delivering the best business experience for your customers.
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1) Be open to learn new frameworks like Hapi.JS , Typescript , Nest.JS
2) Strong DB concepts , and hands on knowledge on MongoDB , REDIS
3) Experience working with micro-services will be a plus
4) Experience working with JWT and IAM systems will be a plus
5) Experience working with Postman , Swagger will be a plus
6) TDD knowledge is an advantage and also working with Unit Test code and familiar with test code coverage concepts.
7) Strong operating system knowledge is a plus with knowledge of how to manage threads.
8) Working experience with RabbitMQ , Kafka will be a plus
9) Strong knowledge of JS internals is a must.

We’re in search of a Back-End Software Engineer that specializes in server-side components. In this role,
you’ll primarily work on Node JS, Mongo DB, Redis, building scalable products and will bring a depth of
knowledge on algorithms and data structures. As a Back-End Software Engineer, on any given day you
might be architecting new features for our customers, refactoring existing code to be more scalable, and
seeing changes through to completion in a live environment.
Key Attributes you need to possess: -
- Prioritization- Should have a strong work ethics and show up on time at sessions with excellent skills
in predicting the amount of time needed to plan, coordinate, and perform on a task or managing their
clients as and when required.
- Quick Learning Ability- You should be an amazing self-learner who has the ability to learn new
technology on their own and are not threatened by new technologies. Someone who has an ability to pull
various bits of information and to process information on the fly with good logical and analytical skills.
- Deep and Broad Technical Experience- Someone who is able to hit the ground because they already
know the right technology.They should be able to meet coding principles and write code that is readable
and commented-on where appropriate.Through incorporating their cognitive abilities and extensive
industry experience, they are able to find optimal solutions easily.
- High-End User Focus-A good programmer does what they are asked to do, while a great programmer
thinks of the end user of the software and works to solve problems within the organization’s
capabilities.Someone who knows the functionality they’re creating is of high value.
-Business Acumen- Should have a great eye for Business acumen as the product build will be exposed to
millions of customers on-brand digital assets hence giving you exposure for handling a large user base in
a live environment.
-Teamplayer- Someone who is able to work in a challenging environment and requires complete
devotion, persistence and learning new things every day. As they will be involved in every fact of the
product development starting from product ideation, Interface design, user experience, analytics, and
engineering.
Typical work week look like:-
- Collaborating with the front-end developers and other team members to establish objectives and design
more functional, cohesive codes to enhance the user experience.
- Design and implementation of scalable applications by using asynchronous programming with
low-latency, high-availability, and performant applications between multiple systems, servers, and
environments.
-Integration of data storage solutions by creating database schemas that represent and support business
processes and also Integrating multiple data sources and databases into one system.
- Building reusable code and libraries for future use.
- Explore technical innovation and propose new solutions as and when required.
- Work with engineers, product managers and senior leadership to turn our product and technical vision
into a tangible roadmap every month.
Our ideal candidate should have:-
- 4+ years of relevant experience in a Tech Startup
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information
Technologies/Computer Science)
- Strong proficiency with JavaScript and knowledge of Node.js and frameworks.
- Strong hands on MongoDB and ability to write aggregation queries.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Hands-on on code versioning tools, such as Git, Redis, AWS, Sockets.
What you can expect from company:-
- Passion & happiness in the workplace with great people & open culture with amazing growth
opportunities.
- An ecosystem where leadership is fostered which builds an environment where everyone is free to take
necessary actions to learn from real experiences.
- Chance to work on the cutting edge of technology.
- Freedom to pursue your ideas and tinker with multiple technologies- which a techie would definitely
enjoy!!
If you have outstanding programming skills and a great passion for developing beautiful, innovative
applications, then you will love this job


- 4+ years exp with solid backend/engineering experience.
- Knowledge of data structures and an eye for architecture.
- Solid CS fundamentals, fluent in multi-threaded and asynchronous programming, a strong inclination for architecting at scale.
- Excellent technical design, problem-solving, debugging, and communication skills.
- Rapid prototyping worked on distributed systems at scale.
- Basic knowledge of SQL as well as NoSQL databases.
- Proficient in Golang, it's design, and concurrency patterns.


Core Competency:
• Extensiveexperiencewith C#and ASP.net/.NETCore 2.0 / .NET WebAPI coreframework framework • concepts and fundamentals/ MVC and EF. • REST Web services&API Experience • Strong architectural knowledge with two or more of - MicroServices, 12 FactorApplications and • EventDriven architectures • Messaging knowledge(Topics,Queues&PublishSubscribe) • Knowledge of AWS, Docker and Kubernetes • Experience with databasedevelopmentincluding relational databasedesign,SQL, andORM • Agile Delivery experience • Deploying .Net Core web application/api inWindows and Linux • Experience withweb developmenttechnologiesincludingASP.NET, MVC3, EF, HTML,JavaScript, • JQuery, AJAX and CSS,LINQ. • Experience with core Microsoft.Nettechnologiesincluding:WCF, LINQ, and EF • Experience designing and developing enterprise gradesoftware • Experience with source controlmanagementsystems and deployment environment • Experience with debugging, performanceprofiling and optimization. • Comprehensiveunderstandingof object-orientedand service-oriented applicationdevelopment,techniquesand theories • Internallymotivated, able towork proficientlyboth independently and in a teamenvironment • Strong communication skills with both internal team members and external businessstakeholders • Experience with userinterfacedesign and prototyping
Required Skills:
• 4+years of software development experience
• Good grasp on programming fundamentals including OOP, Design Patterns, Data Structures, Networking and OS Concepts
• Excellent coding skills (We prefer java).
• Flexible to work on any technology. Should be able to pick-up new technologies fast.
• Expertise in any programming language
• Good knowledge of relational databases and writing complex queries
• Good knowledge of web 2.0 technologies
• Knowledge of distributed systems, Multi-threading, network programming.
• Exhibit passion and enthusiasm for building and maintaining large scale platforms.
• Passionate about automated testing, good design, performance and scalability.
• Able to solve complex algorithms
• Excellent analytical, logical and problem-solving skills
comprehensive solutions; solve complex business problems and then directing the implementation of these solutions
through a team of developers. Work with the various teams to analyze and assess implementation methodology.
Identify & communicate the technical infrastructure requirements. Support existing business process automations and implement change requirements as part of a structured change control process
Responsibilities:
Leading and managing team of developers.
Integration of user-facing elements developed by a front-end developer with server-side logic.
Building reusable code and libraries for future use
Optimization of the application for maximum speed and scalability
Implementation of security and data protection
Design and implementation of data storage solutions
Skills and Qualifications:
Overall 6-8 years of experience in multi-tiered application development and leadership
Strong Programming fundamentals. (Must have - Java)
Good Knowledge in cloud technologies like AWS, Azure, etc.
Hands on experience on Spring technology including Springboot, SpringMVC, Spring Security and others.
Good understanding on experience on microservice development using Springboot REST web services using
Spring Rest or Jersey SQL NoSQL DB
Hands on with Unit testing Dynamic and proactive with ability to work as part of a multi-disciplinary team
Good communications skills fluent in English
Ability to communicate effectively across different disciplines
Primary Skills (Good toHave)
Java, Spring Boot, Spring MVC, Restful Web Services, Micro Services
Education: B.Tech/B.E, BCA, MCA, MCS, etc. in Computers

● Excellent problem solving skills and got right attitude to work in fast paced environments
● Bachelor’s degree in computer science or equivalent practical experience
● 2 to 4(SDE 2), 4 to 7(SDE3) years of experience in software development using
JavaScript / GoLang / Java / Scala and with data structures/algorithms
Preferred qualifications
● Strong in Object Oriented Programming and Design Patterns.
● You have experience of working closely with the product and design teams to deliver the product that materially impacts the business and improves the customer experience
● You follow SOLID principles and have experience with microservice architecture, have designed and implemented high performance scalable services/APIs.
● You have experience with component based architectures, PWA, Service workers, UI patterns and libraries most preferably ReactJS / NextJS
● Write client side high performant applications & develop prototypes
● Experience working with Node, NestJS / Express.
● Experience working with PostgreSQL, Redshift, Dynamo, Mongo and Cassandra databases.
● Experience working with RabbitMQ, Kafka.
● You constantly learn and adopt best practices at work, keeping in mind app performance, security, and scalability.
● You have experience working in distributed systems and built/designed systems to failover, event streaming, caching strategies
● You have experience with Docker/Kubernetes in AWS or any cloud computing platforms. And, are familiar with CI/CD processes.
Kudos if you already have:
● Great communication and team collaboration skills.


Baetho is a solution focused company aimed at creating and democratizing
the development of customer experience applications through our
proprietary no code platform.
At Baetho, we offer a fun environment and the chance to work with a highly
skilled and motivated team. Our culture is focused on employee happiness,
customer satisfaction and high-quality execution. If you have the right vibe
and believe in fairness and freedom, you’re a great fit for us.
Working Days: 5 days a week, Monday to Friday (some weekend work
required)


Causality Biomodels is an Indo-German life science informatics company that focuses on the development of data-based solutions in the bioinformatics sector. Specifically, we work using semantic integration & information extraction methods, knowledge & data organization, and advanced statistical & machine learning techniques in the context of life sciences.
The team Causality Biomodels is searching for a full stack developer with a strong focus on Python, capable of taking on a lead developer role.
You will be mainly focusing on the following areas:
- Implementing new features by modifying our backend system and UI according to the product backlog and discussions with the team.
- Rapid prototyping to explore new directions based on current research developments.
- Design, development and maintenance of APIs, as well as product and add-on components.
- Maintenance of code integrity and organization.
The requirements are:
- Successfully completed bachelor’s or master’s degree in computer science or in related fields such as Bioinformatics.
- At least 2 years of professional software engineering experience.
- High proficiency in Python and ability to write clean and well-documented code (must).
- Experience with cloud-based development using AWS (preferred), GCP or Azure.
- Experience with Docker and container-based deployment.
- Proficiency in JavaScript.
- Experience with at least one database system (SQL or no-SQL).
- High familiarity with Git.
- Experience with agile development practices.
- Experience with CI/CD and automated testing.
- Very strong English skills (both verbal and written).
Bonus points for:
- Knowledge about machine learning or data science.
- Experience with Python packages SpaCy, scikit-learn, flask and fastapi.
- Experience with JavaScript libraries React and Redux/Context.
- Experience with Gitlab CI/CD pipelines.
- Experience working with knowledge graph data.
- Knowledge and experience in bioinformatics methods.

● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performance efficient
applications.
● Integration of user-facing elements developed by front-end developers with server-side
logic.
● Implementation of security and data protection
● Integration of data storage solutions
**Backend Developer Requirements:**
● Expert in Python, with knowledge of Django Web Framework.
● Familiarity with some ORM (Object Relational Mapper) libraries.
● Working knowledge of MySQL.
● Fair understanding of building RESTful APIs.
● Bonus points for Celery, RabbitMQ.
● Worked with Django application deployment on AWS.
● Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
● Understanding of accessibility and security compliance.
● Knowledge of user authentication and authorization between multiple systems, servers,
and environments.
● Familiarity with event-driven programming in Python.
● Able to create database schemas that represent and support business processes.
● Strong unit test and debugging skills.
● Proficient understanding of Git.

