Senior Software Engineer - .NET / Angular
About the Opportunity
We are looking for a talented individual to join our high-impact team working on features within a specialized Power product suite. Using cutting-edge AI-assisted development tools, you will be responsible for building, enhancing, and troubleshooting features to deliver value promptly.
About Our Client
Our client specializes in providing comprehensive HR software tailored for the public sector, encompassing various areas of the employee lifecycle such as recruiting, onboarding, performance management, and compliance for government organizations.
Responsibilities
Develop web features, implement enhancements, resolve bugs, and support the product lifecycle within the Power product suite.
Engage in hands-on development, troubleshooting, implementation, and performance optimization tasks.
Collaborate effectively within a Shift Left development environment, writing unit tests and integration tests.
Work with stored procedures, relational databases, and performance-focused SQL.
Utilize AI tools and coding agents like Copilot and Cursor to expedite the delivery of value to customers.
Requirements
Minimum of 4 years of professional experience in building web applications using C#, SQL, and Angular.
Bachelor’s degree in Computer Science, Information Technology, Engineering, or related fields, or equivalent practical experience.
Strong expertise in working with stored procedures, relational databases, and performance-sensitive SQL.
Proficiency in English communication, both written and verbal.
Ability to work independently, solid problem-solving skills, and a strong sense of ownership.
Commitment to delivering high-quality, reliable code and familiarity with the Shift Left development environment.
Preferred Qualifications
Advanced knowledge of MS SQL Server, including query optimization and indexing.
Familiarity with cloud environments like AWS.
Exposure to modern API technologies such as GraphQL.
Experience with coding agents or AI-assisted development workflows.
Understanding of front-end fundamentals in traditional web environments.
Previous experience in building applications for large enterprise customers.
Perks & Benefits
Provided equipment for work.
Full back-office support including Legal, Accounting, HR Business Partner, and Delivery team.
Career and cultural mentoring including guidance on navigating US work culture.
Free English lessons with a native speaker.
Referral bonus for recommending tech friends.
Option to work remotely or access the Florianópolis HQ office.
Recruitment Process
Interview with our Tech Recruiter, possibly involving a quick AI assessment.
Client interview process, which varies by company.
Offer extended upon successful interviews.
Onboarding with full support from Ubiminds.
Why Ubiminds
With 9 years of experience and GPTW certification, Ubiminds facilitates the connection between Latin American tech professionals and software companies in the US and Canada. We offer comprehensive support in recruitment, legal matters, accounting, people operations, and career guidance to help you excel internationally. Our AI tools are used to enhance the hiring process but do not replace human judgment. Final hiring decisions are human-driven.
If you seek further information on how your data is processed, please reach out to us.
Senior iOS developer
Founding Technical Partners for Oferli – Elite Web & Mobile Development Team🌐
The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
Requirements:
Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
Professionalism: We operate with high standards. Communication and efficiency are key.
How We Work:
Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
Let’s build the future, together.
Sadr B
CEO, Oferli
Chief Technology Officer (CTO) / Senior Full-Stack Developer (Web3)
We are building a next-generation Web3 social platform designed to redefine how digital communities connect, collaborate, and grow.
Backed by years of experience within the cryptocurrency, blockchain, and digital asset ecosystem, our team has developed deep insights into how founders, developers, investors, creators, and communities interact. This understanding inspired us to create a platform that goes beyond financial applications and focuses on empowering meaningful social engagement.
Our mission is to build a transparent, community-driven social network where users can share ideas, collaborate on projects, discover opportunities, and create lasting relationships. We believe the next evolution of social media will be powered by decentralized technologies while maintaining an exceptional user experience, simplicity, and long-term sustainability.
We are seeking an experienced Chief Technology Officer (CTO) or Senior Full-Stack Developer who is passionate about Web3 and capable of leading the technical vision, architecture, and execution of our platform from the ground up.
Responsibilities
Lead the technical strategy and product architecture.
Design and build scalable backend systems and modern frontend applications.
Develop high-performance APIs and real-time features.
Integrate blockchain technologies, wallets, and Web3 authentication where appropriate.
Build secure, reliable, and maintainable infrastructure.
Collaborate closely with product, design, and leadership teams.
Establish engineering best practices, code quality standards, and development workflows.
Mentor engineers and help grow the technical organization.
Evaluate emerging technologies and implement solutions that improve scalability, security, and user experience.
Requirements
5+ years of professional software development experience.
Strong experience with modern JavaScript/TypeScript ecosystems.
Experience with React, Next.js, Node.js, or similar technologies.
Solid understanding of system architecture, cloud infrastructure, databases, and API design.
Experience building scalable consumer-facing products.
Familiarity with blockchain technologies, Web3 infrastructure, wallets, smart contracts, or decentralized applications.
Strong knowledge of security best practices and application performance optimization.
Excellent problem-solving and communication skills.
Ability to work independently in a fast-paced startup environment.
Preferred Qualifications
Experience building Web3 or crypto products.
Understanding of decentralized identity, token ecosystems, or on-chain social applications.
Experience leading engineering teams or serving in a technical leadership role.
Background in DevOps, CI/CD, Docker, Kubernetes, or cloud platforms such as AWS or GCP.
Experience with real-time messaging, social platforms, or community products.
What We Offer
Competitive full-time compensation.
Opportunity to build a product from an early stage with significant technical ownership.
Flexible and remote-friendly work environment.
Collaborative team focused on innovation and long-term impact.
Work on cutting-edge Web3 technologies and help shape the future of digital communities.
Opportunity for career growth and leadership as the platform scales.
If you are excited about building the next generation of Web3 social experiences and want to make a meaningful impact from the earliest stages, we'd love to hear from you.
Backend Engineer with hands-on blockchain experience
Senior Blockchain Engineer (Cosmos SDK & IBC)
Expectations:
Design custom modules (x/staking, x/rewards, x/merkl)
Implement IBC light clients and relayers
Optimize block time and state pruning
Write comprehensive unit & integration tests (Go test)
Build CLI tools for validators and delegators
Monitor node health and network upgrades
Collaborate with the research team on MEV-resistant ordering
Maintain chain upgrades (v1 → v2) with migration scripts
Write technical documentation for external validators
Nice to have:
Experience with Avalanche Subnets or Polkadot Substrate
Knowledge of HSM and key management
Open-source contributions to Cosmos SDK or related repos
Chinese+English language proficiency