Senior Full-Stack Developer (.NET and JavaScript)

OpenKrill; United States; On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Remote work option

Parking

Fun office space

Health insurance

Extra holidays

Training & development

Referral bonus

Social events

Family insurance

Multisport card

Job summary

Mobile Wave Solutions is seeking a skilled Full-stack Developer to contribute across frontend, backend, APIs, and DevOps, delivering secure, scalable software from conception to deployment.

You will work with .NET Core, Azure, and modern frontend frameworks, building RESTful services, data pipelines, and automated tests while collaborating in Agile ceremonies.

Qualifications

• Bachelor’s degree required in CS or related field.
• 5+ years of professional software development experience.
• Proven track record in full-stack technologies.
• Proficiency in JavaScript/TypeScript, .NET Core, and SQL/NoSQL.
• Cloud experience, preferably Azure.
• Experience with Git workflows and Agile.
• Strong communication and problem-solving skills.

Responsibilities

• Plan, build, and maintain backend services with .NET Core and Azure Functions.
• Build RESTful APIs and integration layers for backend systems.
• Front-end development with Svelte.js/SvelteKit without design ownership.
• Connect APIs to MSSQL and time-series databases (InfluxDB, TimescaleDB).
• Develop scalable ETL workflows and data pipelines with big data throughput.
• Implement automated testing, CI/CD pipelines, and monitoring solutions.
• Collaborate in Agile ceremonies and contribute to documentation.
• Take ownership of the OnePortal product and drive continuous improvements.

Skills

Full-stack development

JavaScript/TypeScript

.NET Core

SQL/NoSQL databases

Azure cloud

Git workflows

Agile

Automated testing

Communication

Problem-solving

Education

Bachelor’s degree in Computer Science, Software Engineering, or equivalent

Tools

Svelte.js

Azure Functions

MSSQL

InfluxDB

TimescaleDB

Job description

Mobile Wave Solutions is a professional services company specializing in software development as a service. We are committed to delivering scalable, high-quality software solutions that meet our clients' evolving needs. With a growing team of over 120 engineers and a mission to empower businesses globally, we provide expert teams to deliver robust solutions and drive innovation.

ABOUT THE ROLE

As a Full-stack Developer, you will contribute across the entire stack: frontend, backend, APIs, and DevOps. You will implement features from conception to deployment, ensuring secure, maintainable, and scalable solutions. You will help integrate data from multiple systems, develop APIs, and support the team in building robust digital services.

RESPONSIBILITIES

• Plan, build, and maintain backend services with .NET Core and Azure Functions.
• Build RESTful APIs and integration layers for backend systems.
• Contribute to front-end development using Svelte.js/SvelteKit (without design ownership).
• Connect APIs to relational (MSSQL) and time-series databases (InfluxDB, TimescaleDB).
• Develop scalable ETL workflows and data pipelines, incl. big data throughput.
• Implement automated testing, CI/CD pipelines, and monitoring solutions.
• Collaborate in Agile ceremonies and contribute to shared documentation.
• Demonstrate a strong understanding of business context by taking ownership of the
• OnePortal product and actively contributing to its continuous improvement and enhancements.
• Ensure a broad perspective on how solutions fit within the wider Business Unit and IT ecosystem, thinking beyond the immediate scope of the portal.
• Functional, scalable APIs and data pipelines with strong test coverage.
• Secure and maintainable code across frontend and backend.
• Infrastructure scripts and CI/CD pipelines following DevOps principles.

QUALIFICATIONS

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent.
• Proven experience as a Full-stack Developer.
• Typically, 5+ years of professional software development experience, ideally including enterprise/corporate environments. Proven track record in fullstack technologies and practices.
• Proficiency in JavaScript/TypeScript, .NET Core, and SQL/NoSQL databases.
• Knowledge of cloud-based services, preferably Azure.
• Experience with Git workflows, Agile collaboration, and automated testing.
• Strong communication and problem-solving skills

PREFERRED SKILLS

• Cloud certifications (Azure preferred).
• Experience with ETL/data workflows and time-series data.
• Familiarity with monitoring and observability tools.

OUR BENEFITS

• Remote Office – Option to work remotely or hybrid
• Parking Space – Free parking available
• Fun Office Space – Game zone and relaxation area
• Health Insurance – Private health insurance, including dental care
• Holidays – 5 extra days after your 1st and 5th year with us
• Personal Development – Company-sponsored training and development
• Employee Referral Program – Competitive bonus for successful referrals
• Social Events – Celebrating success together
• Family Insurance – Add insurance coverage for a family member
• Multisport Card – Fully covered sports pass