Software Engineer (backend) in Hampshire, Portsmouth

Software Engineer (backend) in Hampshire, Portsmouth

Portsmouth +1 Full-Time 125000 - 145000 £ / year (est.) Working from home possible
Primis

At a Glance

  • Tasks: Design and build scalable backend services for a cutting-edge AI document analysis platform.
  • Company: Innovative tech company transforming legal and financial sectors with AI.
  • Benefits: Competitive salary, remote work, health insurance, and flexible paid time off.
  • Other info: Fully remote role with excellent career growth and mentorship opportunities.
  • Why this job: Make a real impact in finance and law while working with advanced technologies.
  • Qualifications: 6+ years of backend development experience and strong problem-solving skills.

The predicted salary is between 125000 - 145000 £ per year.

Location: UK (Remote)

Salary: £125k –£145k + annual performance bonus

No visa sponsorship offered

Capital markets move trillions. The legal documents underpinning those transactions are dense, nuanced, and mission-critical, and right now, most of that complexity is still handled by hand. This company is changing that.

Built on years of machine learning PhD expertise, backed by a top-tier venture firm, and now operating at global scale following a high-profile acquisition, this team is tackling some of the hardest NLP problems in finance and law. Their customers include many of the world's leading law firms and the demand for what they're building is accelerating fast.

As a Software Engineer, you won't be maintaining someone else's roadmap. You'll be architecting the critical backbone between a cutting-edge AI data platform and the professionals who depend on it daily. Your decisions will ship. Your influence will stick.

If you want to do the most meaningful work of your career, in a team that moves fast, thinks deeply, and gives a damn about craft - read on.

The Role

  • Design and build scalable backend services and APIs that power a document analysis platform used by major legal and financial institutions
  • Write high-performance, maintainable server-side code and data processing pipelines
  • Define clear, efficient API contracts and contribute meaningfully to service architecture decisions
  • Design compositional API primitives that accelerate the productionisation of a growing library of document insights
  • Build and maintain integrations with third-party services and internal ML systems
  • Contribute to frontend features and components as needed to deliver end-to-end functionality
  • Drive performance optimisation for data-intensive backend operations
  • Champion engineering excellence — contribute to code practices, design patterns, and long-term maintainability
  • Improve developer experience by automating and improving CI/CD and day-to-day production operations

Skills Needed

Required:

  • 6+ years of professional full-stack development experience with a strong backend focus
  • Proficiency in backend technologies - Python (FastAPI, Django, or Flask) is preferred; Node.js, Java, or Go also considered
  • Strong understanding of RESTful APIs, database design, and data modelling (SQL and NoSQL)
  • Experience with containerisation and orchestration (Docker, Kubernetes) and cloud platforms (AWS preferred)
  • Proficiency in TypeScript and React for frontend contributions
  • Foundation in distributed systems, event-driven architectures, and web fundamentals
  • Strong communication skills and a self-starting, action-biased approach to problem-solving
  • Bachelor's degree in Computer Science or related field, or equivalent practical experience

Preferred:

  • Experience with microservices architecture and message queues
  • Experience building data processing pipelines or working with large-scale data systems
  • Familiarity with CI/CD best practices and single-tenant architectures
  • Experience optimising backend performance for data-intensive applications
  • Mentorship experience and a track record of ownership in previous roles
  • Interest in language, economics, or legal/financial domains

Benefits

  • 15 - 20% annual performance bonus
  • Fully remote - work from anywhere in the UK
  • Private medical, dental, and vision insurance
  • Pension and retirement planning support
  • Health and wellbeing reimbursement (including fitness and mindfulness)
  • Flexible paid time off

Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply, don’t worry if you don’t tick every single box. We’d still love to hear from you. We encourage underrepresented talent to apply to all our roles & support accessibility needs.

Locations

PortsmouthHampshire

Software Engineer (backend) in Hampshire, Portsmouth employer: Primis

As a Software Engineer at our innovative company, you'll be part of a dynamic team that is revolutionising the legal and financial sectors through cutting-edge AI technology. We offer a fully remote work environment within the UK, competitive salaries, and a robust benefits package including private medical insurance and flexible paid time off, all while fostering a culture of engineering excellence and personal growth. Join us to make a meaningful impact in a fast-paced setting where your contributions truly matter.

Primis

Contact Details:

Primis Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Software Engineer (backend) in Hampshire, Portsmouth

Tip Number 1

Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. A friendly chat can lead to opportunities that aren’t even advertised yet.

Tip Number 2

Show off your skills! Build a portfolio showcasing your projects, especially those related to backend development. It’s a great way to demonstrate what you can do beyond just a CV.

Tip Number 3

Prepare for interviews by practising common technical questions and coding challenges. We recommend using platforms like LeetCode or HackerRank to sharpen your skills before the big day.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love hearing from passionate candidates who want to make a difference in the tech world.

We think you need these skills to ace Software Engineer (backend) in Hampshire, Portsmouth

Backend Development
Python (FastAPI, Django, Flask)
Node.js
Java
Go
RESTful APIs
Database Design

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your backend development experience and any relevant projects you've worked on. We want to see how you can contribute to our mission!

Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality and passion for the role. Share why you're excited about working with us and how your background aligns with our goals in tackling complex NLP problems.

Showcase Your Projects:If you've worked on any interesting projects, especially those involving backend technologies or data processing, make sure to mention them! We love seeing real-world applications of your skills and how you approach problem-solving.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you're keen to join our team!

How to prepare for a job interview at Primis

Know Your Tech Stack

Make sure you’re well-versed in the backend technologies mentioned in the job description, especially Python frameworks like FastAPI, Django, or Flask. Brush up on your knowledge of RESTful APIs and database design, as these will likely come up during technical discussions.

Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous roles and how you tackled them. Highlight your self-starting attitude and action-biased approach to problem-solving, as this aligns with what the company values in their team members.

Understand the Company’s Mission

Familiarise yourself with the company's focus on NLP in finance and law. Being able to articulate why you’re excited about their mission and how your skills can contribute will set you apart from other candidates.

Prepare Questions for Them

Have a few thoughtful questions ready to ask at the end of your interview. This shows your genuine interest in the role and helps you assess if the company culture and projects align with your career goals.