Middle Full Stack Developer

Are you passionate about building modern digital products that can influence the future of healthcare and medicine development?
We are looking for a Middle Full Stack Developer to join an international project focused on scientific platforms for the pharmaceutical industry.

You will work with modern Front-end and Back-end technologies, cloud-native infrastructure, and microservices architecture while collaborating closely with distributed engineering teams and Customer representatives from Sweden. The role is suitable for specialists who enjoy solving complex technical challenges and contributing to scalable, secure, and high-impact solutions.
We at Sigma Software offer the opportunity to work on meaningful products, grow your technical expertise, and become part of a collaborative engineering culture focused on innovation and continuous improvement.

CUSTOMER
Our Customer is a Sweden-based company operating in the pharmaceutical and life sciences domain. The company develops advanced digital solutions that help pharmaceutical organizations and researchers accelerate medicine development, improve collaboration around scientific models, and support technical and regulatory workflows.

PROJECT
The project is a web-based platform for uploading, storing, visualizing, and analyzing mathematical and computational models used in pharmaceutical research and drug development. The solution enables researchers and pharmaceutical companies to work more efficiently with scientific data, simulations, and regulatory documentation.
The platform includes scalable microservices architecture, secure authentication and authorization flows, event-driven integrations, and cloud-native infrastructure. The team follows SAFe practices and actively collaborates with Customer stakeholders throughout the development lifecycle.
Key Technologies: TypeScript, React, Next.js, Node.js, NestJS, PostgreSQL, Docker, Kubernetes, NATS.io, Keycloak

Job Description
Coming up with well-designed technical solutions and robust code
Develop new features and components, refactoring, debugging, and maintaining software
Peer code reviews, following engineering practices
Perform unit and integration testing
Analyze requirements and prepare detailed design for the features
Create Technical documentation
Participate in conference calls and face-to-face meetings with the Customer
Be active member of SAFe, take part in estimation, grooming and planning sessions

Qualifications
At least 3+ years of commercial software development experience
Strong hands-on experience with JavaScript/TypeScript and React
Proven production experience with Next.js
Good experience with Node.js and NestJS
Strong understanding of scalable API design principles
Experience working with PostgreSQL databases
Practical experience with Docker and Kubernetes
Experience with NATS.io or similar event-streaming technologies
Experience integrating Keycloak or similar IAM/SSO solutions
Strong understanding of microservices architecture and event-driven systems
Experience building and integrating RESTful APIs
Understanding of application security best practices
Familiarity with CI/CD pipelines and Git-based workflows
Strong analytical and problem-solving skills
Ability to work independently and collaboratively within cross-functional teams
Upper-Intermediate English level or higher

WILL BE A PLUS
Experience in pharmaceutical, healthcare, or life sciences projects
Experience working with scientific or computational platforms
Familiarity with Python and R for scientific computing workflows
Experience with regulatory or compliance-sensitive systems
Knowledge of cloud platforms and distributed systems

PERSONAL PROFILE
Strong communication and collaboration skills
Proactive and solution-oriented mindset
Ability to work effectively in Agile/SAFe environments
Attention to code quality and maintainability
Readiness to participate in technical discussions with international stakeholders