Senior/Lead Developer .Net Core

hace 2 semanas


San Francisco, Heredia, Costa Rica UST A tiempo completo

Role Description
Senior/Lead Developer .Net Core / .Net Framework
Developer I - Software Engineering
Who We Are
Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.

UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you'll create a boundless impact that transforms your career—and the lives of people across the world.

Visit us at

You Are
UST is searching for a Lead Developer who will work on implementation of distributed applications, microservices and monolithic systems.

The Opportunity

  • Optimization of SQL queries and use of ORM as core entity framework
  • Implementation of security practices (OWASP)
  • Authentication and Authorization
  • Unit Tests using xUnit, NUnit or MSTest
  • Implementation of RestFul APIs

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What You Need

  • Solid experience in .Net Core/.Net framework.
  • Experience with onion architecture
  • Proficient in domain, infrastructure and presentation separation.
  • Proficiency with scalable and maintainable architectures (Clean Architecture, Hexagonal Architecture, Domain-Driven Design)
  • Sql Server experience
  • Soft Skills:
  • Experience guiding June and mid developers.
  • Code reviews, defining best practices and design patterns
  • Active participation in software planning and development
  • Conflict resolution

Benefits
Employees receive eleven (11) paid holidays, two (2) weeks of paid vacation per year, and are eligible for health, dental, disability and life insurance.

What We Believe
We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.

Humility
We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity
Through business, we will better the lives of those less fortunate than ourselves.

Integrity
We honor our commitments and act with responsibility in all our relationships.

An Equal Opportunity Workplace, Free of Discrimination and Harassment
At UST, we strive to provide a work environment free of discrimination and harassment. We are an equal opportunity employer and employment decisions are based on merit and business needs. Our Human Rights Policy further illustrates our stand on this. We are committed to following fair employment practices that provide equal opportunities to all employees. We do not discriminate or allow harassment on the basis of race, color, religion, disability, gender, national origin, sexual orientation, gender identity, gender expression, age, genetic information, military status, or any other legally protected status. At UST, we value diversity and believe that a diverse workplace builds a competitive advantage.

Un lugar de trabajo con igualdad de oportunidades y libre de discriminación y acoso
En UST, nos esforzamos por proporcionar un ambiente de trabajo libre de discriminación y acoso. Somos un empleador que ofrece igualdad de oportunidades y basa las decisiones de empleo en los méritos y las necesidades del negocio. Estamos comprometidos a seguir prácticas de empleo justas que brinden igualdad de oportunidades a todos los empleados. No discriminamos ni permitimos el acoso por motivos de raza, color, religión, discapacidad, género, origen nacional, orientación sexual, identidad de género, expresión de género, edad, información genética, estado militar o cualquier otro estado legalmente protegido. En UST, valoramos la diversidad y creemos que un lugar de trabajo diverso construye una ventaja competitiva.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

UST

Skills
Javascript,Css,Html,.Net Framework


  • Senior .NET Engineer

    hace 2 semanas


    San Francisco, Heredia, Costa Rica PetSmart A tiempo completo

    About The TeamIt's an exciting time in technology, and that buzz is felt throughout PetSmart We are continuing to grow at a faster pace and we want to continue to provide best-in-class experiences for pets and pet parents.OurTechnology teamhas 6 different departments: Information Security, Service Delivery, Business Enabling Systems, eCommerce & Marketing...

  • Sr. Net Developer

    hace 2 semanas


    San Francisco, Heredia, Costa Rica QAT Global | Custom Software Development & IT Staffing Solutions - US, Brazil & Costa Rica Nearshore A tiempo completo

    QAT Global, a 25+ years IT consulting firm based in the US, is seeking a highly-skilledSr. .Net Developerwith the ability to communicate well in English. This position will work directly with the customer located in the US and with development teams in our US, Costa Rica, and Brazil locations.This opportunity can be 100% remoteResponsibilitiesDesign and...


  • San Francisco, Heredia, Costa Rica 360training A tiempo completo

    Why 360training?At 360training, we're more than just a leader in online training—we're helping people unlock their potential and shape their futures. For over two decades, we've empowered millions of learners with regulatory-approved training across industries, making it possible for individuals to get the jobs they want and keep the careers they love. ...

  • Lead Developer

    hace 2 semanas


    San Francisco, Heredia, Costa Rica First Factory A tiempo completo

    We are seeking a Lead Developer with deep AI/LLM expertise to architect and build an innovative AI-powered content creation platform for a major publishing client. This is a high-impact, fast-paced project where you'll work directly with a Technical Principal, client stakeholders, and a cross-functional Agile team. This role requires someone who can move...

  • Net Software Engineer

    hace 2 semanas


    San Francisco, Heredia, Costa Rica Walmart Global Tech A tiempo completo

    About the TeamFinance Tech is a strategic enabler within Walmart's technology ecosystem, focused on delivering scalable, secure, and innovative solutions that support financial operations across the region. Our team partners closely with business stakeholders to drive automation, improve decision-making, and ensure compliance, while continuously evolving our...


  • San Francisco, Heredia, Costa Rica Experian A tiempo completo

    Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and...


  • San Francisco, Heredia, Costa Rica Experian A tiempo completo

    Company DescriptionExperian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and...

  • Appian Developer

    hace 6 días


    San Francisco, Heredia, Costa Rica GFT A tiempo completo

    Job description:A day in this role:We're looking for an experienced Appian Developer willing to join our project that uses an Oracle backend database and ties into a document management solution, as well as connecting with APIs to our user portal. The expertise requested:Developer with 3-5 years experience in programming with Appian.  Must be familiar with...


  • San Francisco, Heredia, Costa Rica First Factory A tiempo completo

    We are looking for a highly skilled Full Stack Engineer with deep experience in the Microsoft ecosystem. You will design, build, and enhance web-based applications using modern .NET technologies, collaborate with cross-functional teams, and contribute to our Clients' CI/CD and microservices environment.About First Factory We are a software development...

  • Senior Project Manager

    hace 6 días


    San Francisco, Heredia, Costa Rica tech9 A tiempo completo

    Senior Project ManagerWhy Join Tech9?At Tech9, we are driven by a clear vision—to empower organizations with AI-centered solutions that make them more adaptable, efficient, and future-ready. As a company at the forefront of innovation, we help our clients build exceptional software that not only meets today's needs but anticipates tomorrow's challenges....