dot net developer

SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.

What you’ll do

• Build and ship production-ready React features that feel fast, accessible and polished.
• Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
• Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
• Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
• Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
• Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.

What you’ll bring

• 2+ years of hands-on experience in full-stack development.
• Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
• Solid experience building RESTful services in Node.js with Express (or similar).
• Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
• Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
• Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
• Clear, concise communication skills—vital for an all-remote environment.

Nice-to-haves

• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
• Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
• Prior work in health-tech or other regulated domains.

Why SleekSky?

At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.

Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.

Required Skills & Qualifications

• 5+ years of professional web development experience, with 3+ years focused on Shopify.
• Strong proficiency in Liquid templating language and Shopify’s theme architecture.
• Experience with Shopify APIs (REST & GraphQL) and building private or public apps.
• Strong frontend development skills: HTML5, CSS3 (SCSS), JavaScript (ES6+), and React or Vue.js.
• Deep understanding of Shopify's checkout process, cart mechanics, and store configuration.
• Experience working with Shopify Plus features like checkout.liquid, multi-store setup, and scripts.
• Solid understanding of web performance, accessibility, and SEO best practices.
• Experience with Git, CI/CD pipelines, and Agile development workflows.
• Ability to work independently and lead projects from concept to completion.

Nice to Have

• Experience with Headless Shopify implementations using Hydrogen or Next.js.
• Familiarity with Shopify Functions, custom checkout extensibility, and Shopify’s new App Bridge.
• Prior experience working with international stores, multiple currencies, and languages.
• Understanding of backend systems (Node.js, PHP, or Ruby) for custom app integrations.
• Contributions to the Shopify developer community or open-source projects.

Vacancy: Full Stack Senior developer for BeYoungBrands start-up - Paris.

Project description:

We are a small innovative team with a big-picture vision. 

Our goal - to help people be healthier, younger, happier and to live long and active lives.   

We are advocates of holistic approach and inclusion. We believe that the best results are brought by uniting science and ancient wisdom which science cannot explain yet.  

Our goal is very challenging – we want to create a one-point access tool to manage induvial wellbeing and health (with a collaboration platform with doctors) from the convenience of home and smartphones.

Our goal if far beyond just teaching how to eat and exercise healthier.  We want gradually to transform the way a patient and client talk and communicate about health issues. 

Our future network of doctors will include only best medicines embracing the holistic approach to each client, accepting limitation and negative impacts of some modern therapies and willing to accept the usage of alternative and holistic therapies by their patients.   

Role description:

The successful candidate to join our team will be the first architect of our ambitious project.  Along with immensely challenging tasks and responsibility, he/she will have joy of being the person to layout the design and develop the initial model of the product.

We are looking for a self-starter with already proven experience. The job will have a title of senior developer and an employee will have to deliver to its title.  We put great worth on the personality of a candidate and his/her ability to get things done, to deliver results and to quickly update one’s knowledge based on the requirement of a task at hand.

Job description:

3+ years of experience

Candidate with experience in both Backend and Frontend technology using Java and Python with JavaScript/Angular/Django. Would prefer Full Stack experience in the current project.

Internal Title: Senior Developer

Experience Range: Mid Level with a proven track record in the development

Skill(s): Python, Django, JavaScript, AngularJS/ReactJS, NodeJS, MongoDB, ExpressJS

Education:

• Bachelor's in Computer Science (Required)
• Master (preferred)

Job Type: Full-time
Location(s): Remote

Responsibilities

• Design, build and maintain efficient, reusable, and reliable codes for front and backend development.
• Build a layout for structured system data and regularly feed and update it.
• Conceptualizing and developing the data, programming and analysis for online behaviour.
• Building a first draft of the AI algorithm.
• Programming machine learning and its applications.
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade application.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design.
• Write technical documentation.
• Work with data scientists and analysts to improve software

Technical and Professional Requirements

• Minimum 3 years of relevant experience.
• Proven work experience as a Full Stack developer (Anyone project would do, we are open for freshers with great knowledge and proven experience too).
• In-depth understanding of the entire web development process (design, development and deployment)
• Strong understanding of data structures/algorithm.
• Excellent coding skill in Node js/Angular/Reactjs, JavaScript, Python, Shell Scripts, Groovy.
• Experience in designing, developing and building end to end web applications.
• Responsive Web Design Development experience
• Experience in web libraries.
• Experience with one or more of databases.
• Experience working with deployment and orchestration technologies.
• Knowledge of Agile engineering and testing practices.
• Must have flexibility in work hours
• Knowledge of API Design and Development and Security Patterns on API’s using API Gateway.
• Familiar with modern reactive frameworks and Event-Driven architectural patterns.
• Implementing automated testing platforms and unit tests.
• Good Error and Exceptional Handling Skills.
• Knowledge of Automation scripts.
• Experience in Cloud Technology for Deployment of Services is a plus.
• Analyzing user requirements, envisioning system features and functionality.
• Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development.
• Understand Architecture Requirements and ensure effective Design, Development, Validation, Testing and Performance, monitoring.
• Strong knowledge of front-end languages (e.g. HTML, JavaScript and CSS)
• Very strong Integration knowledge is desired.
• Excellent analytical and time management skills
• Teamwork skills with a problem-solving attitude.

Deliveries plan and personal achievements goal for a

role of Senior developer in BeYoungBrands

1. First 3 months at the role
   1. Develop and builds a new multilingual website to reflect the main features of the project and backend structure.
   2. Build initial backend design and architecture.
   3. Develop personal area zone with automated functions.
   4. Develop security strategy to protect sensitive client information.
   5. Start building algorithm on existing processes and activities of a clients. Integarate currently available research into algorithm.
   6. Be support on daily tasks and automations.
   7. Propose and replace external resources for automation or selling tools with own development plan.
2. Second 3 months at role:
   1. Continue developing interactive client area.
   2. Work further on algoright with integrating research database, database of clients actions and reported results.
   3. Start building mobile application for everyting what is already done in platform.
   4. Build food extension of the platform and mobile section to it with full food directory database, menu planning, photo recognition, input areas and calories calculations.
   5. Start building exercise module (possible with 3^rd party license to use, to be discussed), with video, calories count, instructions, etc.

Title: Product Development Engineer II- BillMe (Razorpay)

About Razorpay :

Razorpay is a rapidly growing platform company powering small and medium scale businesses. We are a finTech startup that emphasizes transparency, collaboration and career growth, with the ability to work on small, nimble teams. The company has rapidly expanded into greenfield areas like neo banking and B2B lending. Our employees are able to create change at scale and have an opportunity to truly disrupt and shape FinTech space. Transaction volumes have been growing at a rapid pace - 5X year-over-year growth over the past few

years.

About Billme (Acquisition of Razorpay) :

BillMe is the world's leading digital billing provider. It was founded by Jai Hemrajani, Kuber Pritmani, and Rupam Jain in 2018. BillMe has now evolved into a "CRM powered by Digital Billing."

BillMe helps over 4000+ businesses like McDonald's, Tata, BurgerKing, and Decathlon send digital bills, collect data, and increase sales and engagement.

BillMe was acquired by Razorpay in 2023. The collaboration between Razorpay and BillMe aims to help retail brands digitalize and seamlessly access omnichannel payment solutions.

Roles & Responsibilities:

To succeed in this role, you’ll need a customer-first attitude and the following:

• A minimum 3 years of hands on experienced in building desktop / client-server applications using programming skill C++, C#, WPF, .NET and SQL
• Good understanding of design patterns.
• Ability to create in depth technical design & implementation of a product feature and work independently on assigned modules
• Utilize version control systems to manage codebase and collaborate with a development team.
• Implement multi-threading and concurrency concepts to enhance application responsiveness.
• Leverage knowledge of Windows architecture for effective software development.
• Utilize SQL databases for data storage and retrieval.
• Develop user-friendly interfaces using WPF (Windows Presentation Foundation).

Qualifications:

• Proficiency in C++, C# and .Net programming languages.
• Proficient understanding of Windows architecture, Rest Api and Git.
• Understanding of  SQL databases will be an added advantage.
• Good experience with WPF (Windows Presentation Foundation).
• Strong problem-solving skills, attention to detail, and proactive attitude.
• Good communication skills in English (verbal and written).

If you are a motivated and skilled Software Developer with expertise in C++, C# and WPF, and you are ready to take on challenging work in a dynamic environment, we encourage you to apply. Join us in creating innovative software solutions that make a difference.

Job Description

Technical lead who will be responsible for development, managing team(s), monitoring the tasks / sprint. They will also work with BA Persons to gather the new requirements and change request. They will help solve application issues and helping developers when they are stuck.

Responsibilities

·       Design and develop application based on the architecture provided by the solution architects.

·       Help team members and co developers to achieve their tasks.

·       Maintain / monitor the new work items and support issues and have to assign it to the respective developers.

·       Communicate with BA persons and Solution architects for the new requirements and change requests.

·       Resolve any support tickets with the help of your team within service timelines.

·       Manage sprint to achieve the targets.

Technical Skills

·       Microsoft .NET MVC

·       .NET Core 3.1 or greater

·       C#

·       Web API

·       Async Programming, Threading, and tasks

·       Test Driven Development 

·       Strong expert in SQL (Table Design, Programing, Optimization)

·       Azure Functions

·       Azure Storage

·       MongoDB, NoSQL

Qualifications/Skills Desired:

·       Any Bachelor’s degree relevant to Computer Science. MBA or equivalent is a plus

·       Minimum of 8-10 years IT experience and managing a team(s) out of which 4-5 years should be as a technical/team lead.

·       Strong verbal and written communication skills with the ability to adapt to many different personalities and conflict resolution skills required

·       Must have excellent organizational and time management skills with strong attention to detail

·       Confidentiality with privacy-sensitive customer and employee documents

·       Strong work ethic - demonstrate good attitude and judgment, discretion, and maintain high level of confidentiality

·       Previous experience of customer interactions

Roles and responsibilities:-

Risurge is looking for an experienced and motivated Senior Full Stack professional to be an integral part of its Apps team. The Apps team is an essential part of the Technology team at Risurge and works on solving technical challenges related to processing, visualization and presentation of continually scaling data in an easily accessible manner on the Risurge platform. 

You will need to have hands-on experience in the latest technologies and skills like ReactJS, NodeJS, ExpressJS, PostgreSQL, Webpack, REST API etc. This role is ideal for you if you have a background in Full Stack development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.

What we are looking for:

-Strong coding and design skills

• Good command over Data Structures & Algorithms
• The ability to produce bug-free and production grade code
• Skills we consider: React.JS, D3.Js, Node.js, Express.JS, webpack. Bootstrap, Material UI, PostgreSQL, Redis, ELK, Ansible, AWS, Docker

Key Deliverables:-

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of the start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Design and develop end to end applications with very high quality

What we have to offer:-

• Work with a performance oriented team driven by ownership and open to experiments.
• Learn to design systems for high accuracy, efficiency and scalability.
• No strict deadlines, focus on delivering quality work.
• Meritocracy driven, candid culture. No politics.
• Very high visibility regarding which startups and markets are exciting globally.

Essential Job Functions:

1. Implement application components and systems according to department standards and guidelines.
2. Work with product and designers to translate requirements into accurate representations for the web.
3. Analyze, design, code, debug, and test business applications.
4. Code reviews in accordance with team processes/standards.
5. Understand and work with data in varying degrees of complexity and scale.
6. Responsible for planning, processing and performing all jobs in an efficient manner.
7. Provide assistance to testers and support personnel as needed to determine system problems.
8. Resolve problems involved with integrating new technologies with systems.

* Essential functions are the basic job duties that an employee must be able to perform, with or without reasonable accommodation.  The function is considered essential if the reason the position exists is to perform that function.

Supportive Job Functions:

1. Remain knowledgeable of new emerging technologies and their impact on internal systems.
2. Available to work on call when needed.
3. Perform other miscellaneous duties as assigned by management.

*These tasks do not meet the Americans with Disabilities Act definition of essential job functions and usually equal 5% or less of time spent.  However, these tasks still constitute important performance aspects of the job.

Knowledge, Skill, and Abilities:

1. Experience using Python, JavaScript, and React.
2. Experience with web services and RESTful APIs.
3. Experience in cloud infrastructure
4. Experience with Sql and NoSql databases
5. Familiarity with modern CI/CD methods
6. Ability to organize, prioritize, and handle multiple assignments on a daily basis.
7. Strong and effective inter-personal and communication skills
8. Ability to interact professionally with a diverse group of clients and staff.
9. Must be able to work flexible hours on-site and remote.
10. Must be able to coordinate with other staff and provide technological leadership.
11. Ability to work in a complex, dynamic team environment with minimal supervision.
12. Must possess good organizational skills.

Education, Experience, and Certification:

1. Associate’s or bachelor’s degree preferred (Computer Science, Engineer, etc.), but equivalent work experience in a technology related area may substitute.
2. 5+ years relevant experience, required. *
3. Experience using version control daily in a developer environment.
4. Experience with Python, JavaScript, and React is required.
5. Experience using rapid development frameworks like Django or Flask.
6. Experience using front end build tools.