Senior Software Engineer - Backend

OutSystems; United Kingdom; On-site; GBP 50,000 - 80,000; Full time

Benefits offered by this job

Real career opportunities

Inclusive culture of diversity

Support for personal growth and development

Job summary

A leading software development company in the United Kingdom is seeking a Senior Software Engineer to innovate and develop next-gen software solutions. The role involves designing, optimizing, and troubleshooting platform components, requiring at least 4 years of relevant software development experience, proficiency in C#, and strong problem-solving skills. The ideal candidate will thrive in a collaborative environment, eager to learn and help others, and should possess excellent communication abilities. This position offers real career opportunities within a dynamic and growing company, fostering innovation and collaboration.

Qualifications

• 4+ years of software development experience.
• Great level of autonomy and passion for learning.
• Knowledge of relational & non-relational databases is a plus.

Responsibilities

• Designing and developing solutions with the team.
• Optimizing the performance of platform components.
• Gathering feedback from end-users and adapting solutions.

Skills

Software engineering principles

Troubleshooting skills

Coding skills in C# (.Net Core)

Fluency in English

Object-Oriented Design

Knowledge of cloud systems

Experience with Kubernetes

Experience with Go language

Education

Bachelor's or Master's Degree in Software Engineering, Computer Science, or similar

Tools

C#

AWS

Azure

Kubernetes

Job description

About This Role

As a Senior Software Engineer in OutSystems R&D, you’ll be a member of the group of teams responsible for developing the next generation of capabilities of one of our platform components. If you are a problem solver, inquisitive by nature and driven by curiosity, this is the job for you!

Job Responsibilities And Expectations

• Designing and developing solutions with the team, by following development processes (like TDD, BDD, code reviews...);
• Optimizing the performance of the platform component you’ll work on;
• Produce and test code in short cycles, with a high degree of automation;
• Gather feedback from end-users and adapt your solutions;
• Focus on developing maintainable solutions that scale to thousands of users;
• Last-line troubleshoot of complex incidents created by the solutions developed in your team, having on-call support rotation;
• Knowledge of product development best practices, continuous delivery, and testing;
• Experience in designing and communicating high-level functional designs and solutions;
• Availability be part of the 24x7 on-call rotation.

Desired Skills & Experience

• Bachelor's or Master's Degree in Software Engineering, Computer Science, or similar. If you do not have one but you are really good (and can show it), we still want to hear from you;
• 4+ years of software development experience;
• Knowledge of software engineering principles, algorithms, data structures, and Object-Oriented Design;
• Passion to analyze and design elegant solutions for high-tech problems;
• Passionate about learning and helping others find their way in complex subjects;
• Great troubleshooting skills;
• Drive to innovate and bring development best practices into your team;
• Drive to understand what are the upcoming technologies and frameworks;
• Good communication skills and fluency in English;
• Great level of autonomy;
• Continuous delivery and testing techniques;
• Excellent coding skills in C# (.Net Core);
• Knowledge of Relational & non-relational databases is a plus;
• Knowledge of cloud systems (e.g. AWS, Azure) is a plus;
• Experience with Go language is a plus;
• Experience with Kubernetes (K8s) is a plus.

The Longer Story

OutSystems enables enterprise teams to build AI-powered applications and agents that reduce manual work, streamline internal operations, and accelerate impact. A proven low-code foundation combined with agentic AI and AI app generation capabilities empowers teams to move up to 10x faster with the assurance of security, scalability, and governance built in. As the future becomes agentic, our customers need us now more than ever. AI has opened the door to extraordinary possibilities—but inside the enterprise, things are moving fast and feeling chaotic. Some early adopters are making progress in production, but for many, AI tools are sprawling without governance, data isn’t ready, and talent isn’t there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn’t have to add to the chaos. It can become the breakthrough that brings clarity—and drives real, enterprise-wide impact. At OutSystems, we’ve built that platform, providing the tools necessary for enterprises to overcome these hurdles. We are looking for passionate, talented, and motivated people to join us in helping our customers build, deploy, and scale apps and agents—fast, helping them accelerate innovation while enabling secure, governed human-AI collaboration. OutSystems is a truly global company, with more than 850,000 developer community members, 1,700 employees, more than 500 partners, and thousands of active customers in over 75 countries and across 21 industries. Founded in 2001, OutSystems has offices in the United States, United Kingdom, the Netherlands, Portugal, Germany, the UAE, Japan, Hong Kong, Malaysia, Australia, India, and Singapore, and of course has a thriving, worldwide community of remote employees. Amongst our customers are some of the world's most recognizable brands across diverse industries—brands like Toyota, Heineken, Bosch, KeyBank, and UCLA. These customers are the reason we have a 4.6 star rating on G2. Their success is ours, and their stories demonstrate tangible ROI and transformational impact. We are a 9x Gartner Magic Quadrant Leader for Low-Code Application Platforms and a multi-year leader in the Forrester Wave. We’re recognized not just as leaders but as visionaries with a strong ability to execute, now extending our leadership into the AI and agentic application development arena.

Working at OutSystems

Our goal is to ensure that OutSystems is a place for bright, happy, and motivated people who share a common purpose and take pride in doing excellent work to pursue our vision of providing the AI-powered low-code development platform enterprise leaders trust to build, secure, and evolve their business applications, agents, and core systems. Our culture is focused on our core values of trust, customer success, innovation, and alignment. Our team members operate with transparency, integrity, and accountability, define success through the lens of the outcomes we deliver for our customers, push the boundaries with excellence, and work together toward our shared vision to deliver on what matters most.

What do we have to offer you?

• A company that is always growing, changing, and innovating. We challenge each other to innovate in our products, in our team, and how we use our own technology. And we give our teams space to be proactive and creative.
• Real career opportunities. We care about growth and development. Yes, vertical career progression is a possibility, but it's not the only one. From lateral moves and joining different teams to mastering specialized skills, we support your growth no matter what your goals are.
• Work colleagues that are as smart, hard-working, and driven as you. We act as one global OutSystems team, taking ownership and working together toward a shared vision.
• Disrupting the status quo is in our DNA. In fact, it’s why our company exists.
• We ask “why” a lot. It helps us connect our individual work to the bigger picture and sometimes even uncover a better way.

Are you ready for the next step in your career? Then we’d love to hear from you!

OutSystems nurtures an inclusive culture of diversity, where everyone feels empowered to be their authentic self and perform at their best. A company that embraces the creativity and innovation that comes through diverse perspectives. We are committed to creating a team that reflects society through inclusive programs and initiatives and are proud to be an equal opportunity employer. All qualified applicants receive equal consideration regardless of race, place of origin, color, age, marital status, religion, sex, sexual orientation, gender expression or identity, protected veteran status, disability status or any other status protected by law.