Senior Software Engineer - Backend

Senior Software Engineer - Backend

Full-Time 63000 - 77000 £ / year (est.) Home office (partial)
OutSystems

At a Glance

  • Tasks: Join a dynamic team to design and develop innovative software solutions.
  • Company: OutSystems, a leading low-code platform empowering enterprises with AI capabilities.
  • Benefits: Competitive salary, growth opportunities, and a collaborative work environment.
  • Other info: Inclusive culture that values diversity and innovation.
  • Why this job: Make a real impact in the tech world while working with cutting-edge technologies.
  • Qualifications: 4+ years of software development experience and strong problem-solving skills.

The predicted salary is between 63000 - 77000 £ per year.

About This Role

As a Senior Software Engineer in Out Systems 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

Out Systems 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 Out Systems, 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.

Out Systems 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, Out Systems 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, Key Bank, 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 Out Systems

Our goal is to ensure that Out Systems 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 Out Systems 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!

Out Systems 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.

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Senior Software Engineer - Backend employer: OutSystems

At OutSystems, we are at the forefront of the agentic revolution, offering a dynamic work environment that fosters innovation and collaboration. Our commitment to employee growth is evident through structured development programs and mentorship from industry leaders, ensuring you have the resources to thrive in your career. With a culture built on trust and inclusivity, we empower our diverse team to make a meaningful impact while shaping the future of enterprise software.

OutSystems

Contact Details:

OutSystems Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer - Backend

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at OutSystems or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to OutSystems.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like OutSystems.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like OutSystems that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Software Engineer - Backend

Software Development
Problem-Solving Skills
Test-Driven Development (TDD)
Behaviour-Driven Development (BDD)
Code Review
Performance Optimisation
Automation

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at OutSystems.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at OutSystems and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at OutSystems

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If OutSystems uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.