Senior Fullstack Software Engineer (Go / React) at Bridgenext

About this role

Company Overview At Bridgenext , we engineer Growth Operating Systems. Most enterprises have spent millions on their revenue stack and still aren't seeing the growth they expected.They have tools that function, but no system that wins. We help growth-hungry companies close that gap by turning fragmented platforms, siloed teams, and disconnected data into one integrated Growth OS. More than a technology company or marketing agency, we're a global digital consultancy with experts in engineering, data, AI, creative and more. Our teams are made up of experts who believe in engineering impact, starting with putting people at the center of everything we do. Every team member directly shapes our work, culture, and values. Nothing matters more to us than a kind, respectful, fulfilling environment that supports everyone. Our flexible, inclusive culture gives you the autonomy, resources, and opportunities to thrive. Position Description We are looking for a Senior Full Stack Engineer to build a next-generation servicing tool and platform. The primary goal is migrating functionality out of a legacy Java and C#/.NET ecosystem into a modern REST and GraphQL architecture. The role is backend-heavy, with Go as the core language, plus React on the frontend and GraphQL integration. Experience with Java and with reading legacy code to extract business logic is highly valued. The position requires 8+ years of software engineering experience, microservices, AWS, automated testing, and the ability to work independently Own complex full-stack initiatives while mentoring engineers and helping shape technical direction. Senior Engineers are expected to engineer solutions, challenge assumptions, and drive technical excellence. The project involves building a next-generation servicing tool and platform. A primary objective of this team is migrating existing functionality out of a legacy application ecosystem into a modern REST and GraphQL architecture. include but are not limited to:
Design and implement scalable backend and frontend solutions.
Participate in architectural design and technical decision-making.
Develop APIs and complex integrations.
Own production quality, monitoring, and operational improvements.
Collaborate effectively across globally distributed teams.
Workplace: This is remote role, open to candidates based in Argentina only. Tech Stack:
Go: Core language for modern API services and microservices
React: Front-end user interface development
REST APIs & GraphQL: Integration with GraphQL API layers
AWS (EC2, ECS, CloudFormation, IAM, monitoring)
CI/CD, automated testing and Agile delivery
Legacy C#/.NET applications undergoing modernization
HTML, CSS and JavaScript for UI customization
Relational databases
Microservices architecture
Must Have Skills: 8+ years experience in software engineering which includes:
Strong at Go
Java engineering experience is highly valuable
Experience working with Microservices architecture
AWS and infrastructure experience
GraphQL: Integration with GraphQL API layers
REST APIs: Full-stack integration connecting front-end tools with backend REST endpoints
Relational Databases
Automated testing

Preferred Skills:
C# / .NET: Ability to read, navigate, and analyze legacy C# application code for migration purposes
Java: Experience reviewing legacy Java backend systems to extract business logic during migration
Data Integration: Experience working with REST-based data streams and integrations
Experience working with globally distributed engineering organizations
Experience supporting large-scale production systems
Professional Skills:
Excellent English written and verbal communication skills
Ability to work independently
Excellent collaboration skills
Strong analytical and problem-solving skills
High standards of professionalism, consistently producing high quality results
Self-sufficient, independent requiring very little supervision or intervention
Passion for learning new technologies and staying current with industry trends

Bridgenext is an Equal Opportunity Employer Originally posted on Himalayas