Senior Software Engineer

OutSystems, Inc.; Menlo Park (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

OutSystems is seeking a Senior Software Engineer to design, implement, and deliver major features within the Solutions Team. You will own end-to-end technical decisions, write high-quality code, review peers, and mentor junior engineers to grow their skills.

You will collaborate with product managers and UX designers to balance functionality, usability, security, and scalability, develop in short cycles with automation, address technical debt, and stay current with AI agent technologies and

Qualifications

• 5+ years of software development experience.
• At least 1 year building production-grade AI agents and complex intelligent systems.
• Strong working knowledge of LLMs, prompt engineering, RAG strategies, fine-tuning, and grounding techniques.
• Experience using major AI agent orchestration frameworks.
• Solid understanding of software architecture, design patterns, and scalability principles.
• Experience implementing security best practices and governance in production systems.

Responsibilities

• Design, build, and evolve Solutions agents, workflows, services, components, and applications delivering customer value.
• Collaborate with product managers, UX designers, and engineers to balance functionality, usability, security, and scalability.
• Develop and test code in short cycles with automation.
• Conduct code reviews ensuring quality, security, and architectural conformity.
• Address technical debt and propose refactoring to improve quality and performance.
• Gather stakeholder feedback and adapt solutions accordingly.
• Design, document, and communicate high-level functional designs and solutions.
• Mentor junior engineers through code reviews and discussions.
• Stay up to date with emerging technologies and advocate improvements to Solutions and its ecosystem.

Skills

Software development

AI agent experience

LLMs

Prompt engineering

RAG strategies

Fine-tuning

Grounding techniques

Agent orchestration frameworks

Software architecture

Security best practices

Stakeholder communication

Independent work

Developer experience

Tools

C#/.NET

Python

Docker

Kubernetes

REST/gRPC

Job description

There are NO limits to your career: come shape the future and be part of a truly unique global culture at OutSystems!

The Role The Senior Software Engineer will be a hands-on technical expert responsible for designing, implementing, and delivering significant features within the Solutions Team. You will own end-to-end technical decisions for your features and systems, write high-quality code, conduct code reviews within your area of expertise, and mentor junior engineers as they grow their technical skills. This is a role for someone who excels at solving complex technical problems, takes pride in delivering well-engineered solutions, and helps elevate the capabilities of more junior team members.

Key Responsibilities

• Design, build, and evolve Solutions agents, workflows, services, components, and applications that deliver customer value and quality.
• Collaborate with product managers, UX designers, and other engineers to deliver solutions that balance functionality, usability, security, and scalability.
• Develop and test code in short cycles with a high degree of automation.
• Conduct code reviews for features and systems within your scope, ensuring adherence to quality standards, security best practices, and architectural patterns.
• Identify and address technical debt in your systems; propose refactoring efforts to improve code quality, maintainability, and performance.
• Gather feedback from stakeholders and adapt your solutions accordingly.
• Design, document, and communicate high-level functional designs and solutions.
• Mentor and guide junior engineers through code reviews, technical discussions, and problem-solving.
• Stay up to date with emerging technologies and bring forward ideas to continuously improve Solutions and its ecosystem.

Required Skills & Experience

• 5+ years of software development experience.
• At least 1 year experience building production-grade AI agents and complex intelligent systems within the enterprise.
• Strong working knowledge of LLMs, prompt engineering, RAG strategies, fine-tuning, and grounding techniques, along with practical experience using major AI agent orchestration frameworks.
• Solid understanding of software architecture, design patterns, and scalability principles.
• Demonstrated ability to implement security best practices (e.g., authorization, data masking) and enforce responsible AI governance and guardrails in production systems.
• Ability to articulate complex technical designs and risks to stakeholders and non-technical partners.
• Able to work independently and manage your own priorities within a collaborative team environment.
• Commitment to delivering high-quality developer experiences and supporting others in building great software.

Desired Skills

• Experience working with frontend/UX.
• Familiarity with the OutSystems platform or similar low-code/no-code platforms, understanding their integration patterns and architecture limitations.
• Proficient in C# (.NET) and Python, cloud-native deployment, containerization (Docker/Kubernetes), and scalable APIs (REST/gRPC).
• Experience working in Financial, Manufacturing, Public Sector, or Healthcare sectors.

More about OutSystems OutSystems is a leading AI Development Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform. As the future becomes agentic, our customers need us now more than ever. While AI has opened the door to extraordinary possibilities, most large organizations find themselves stuck on one side of the “enterprise gap” because AI by itself doesn't solve their complex use cases and business challenges. OutSystems bridges the “enterprise gap” by combining the speed of generative AI with a deterministic, enterprise-grade framework. We provide the tools for teams of any size to deliver high-quality, reliable AI solutions that drive real business impact. We are looking for passionate, talented, and motivated people to join us as we empower organizations to build, deploy, and scale the next generation of enterprise software. While we are leading the charge into the agentic era, our mission is broader: we are the platform enterprise leaders trust to evolve their entire business, accelerating innovation through secure, governed human‑AI collaboration. OutSystems is a global company, with more than 900k developer community members, 1,700 employees, more than 600 partners, and thousands of active customers in over 75 countries and across 21 industries. Founded in 2001, OutSystems now has offices in the United States, United Kingdom, the Netherlands, Portugal, Germany, the UAE, Japan, Hong Kong, Malaysia, Australia, India, and Singapore, and includes a thriving, worldwide community of remote employees. Our customers are some of the world’s most recognizable brands across diverse industries— such as Toyota, Heineken, Bosch, KeyBank, and UCLA—who trust OutSystems to deliver ROI and transformational impact. Consistently recognized as a leader by top analyst firms Gartner, IDC and Forrester, OutSystems continues to shape the future of enterprise software development in the agentic era. We are proud to be named a leader in more than 100 categories on G2, including #1 in Customer Satisfaction in Enterprise Low Code Development, and most recently as a leader in AI Agent Building in the G2 Spring 2026 Reports.

Working at OutSystems Our culture is built on our core values of Trust, Customer Success, Innovation, and Alignment. We operate as one global OutSystems team, taking ownership to pursue our vision of being the AI platform enterprise leaders trust to build, secure, and evolve their most critical applications and systems. What do we have to offer you? A company at the vanguard of the agentic revolution, where we don’t just react to AI innovation— we architect it. Joining OutSystems means stepping onto a high-growth rocket ship that combines the fearless agility of a startup with the sophisticated, global foundation of an enterprise powerhouse. Real growth opportunities. We don't just talk about development; we invest in it through structured programs designed to scale your expertise. Whether you are aiming for vertical progression, exploring lateral moves into new domains, or mastering specialized AI skills through our Professional Development Fund and Internal Mobility Program, we provide the resources to get you there. A global collective of world‑class talent, where you’ll collaborate with enterprise software legends and sought‑after thought leaders. At OutSystems, our industry experts aren't just visionaries—they are accessible, approachable mentors who are deeply invested in your growth as we architect the agentic future together. OutSystems nurtures an inclusive culture where talented individuals from all backgrounds are empowered to learn, experiment and make an impact. We believe that driving our next phase of growth requires the radical creativity that only comes from diverse perspectives. We are committed to building a team as global and diverse as the organizations we serve, ensuring every individual can perform to their full potential. As an equal opportunity employer, all qualified applicants receive equal consideration regardless of race, origin, religion, sex, sexual orientation, gender identity, disability, veteran status, or any other protected status.

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OutSystems is the leading AI Development Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform. OutSystems is consistently recognized as a leader in enterprise software development by Gartner, IDC, and Forrester, and ranked #1 in Customer Satisfaction by users on G2. Business leaders, IT executives and developers choose OutSystems to accelerate internal innovation without compromising reliability and security. Founded in 2001, the OutSystems ecosystem includes more than 85 million end users, over 600 partners, and thousands of active customers in 75+ countries across 20+ industries. Learn more at www.outsystems.com.

Ready to join the global leader in AI Development and be part of a transformative journey? OutSystems awaits, where your talent meets unparalleled opportunity!