At a Glance
- Tasks: Design, build, and optimise cutting-edge digital systems in a collaborative environment.
- Company: Join a highly regarded enterprise software business with a focus on innovation.
- Benefits: Competitive daily rate, hybrid work model, and opportunities for professional growth.
- Other info: Dynamic role with excellent career advancement opportunities.
- Why this job: Make an impact on AI/ML projects while working with top-tier technology.
- Qualifications: 5+ years in software engineering with strong backend and cloud expertise.
The predicted salary is between 50000 - 72000 £ per year.
Contract: Initial 6 Months
Location: London (Hybrid – 3 Days Onsite Minimum)
Start Date: ASAP
Engagement: Full-Time Contract
IR35: Outside
Rate: £500-£600 per day
We’re working with a highly regarded enterprise software business seeking a Senior Platform Engineer to support a major phase of product and platform delivery. This is a hands-on contract role for a senior engineer who can quickly integrate into an established engineering function and contribute from day one across backend engineering, cloud infrastructure, platform architecture and AI/ML-enabled product initiatives.
You’ll work closely with engineering leadership and cross-functional teams to help deliver critical roadmap objectives, contributing directly to the design, build, deployment and optimisation of production systems used by enterprise customers.
The Opportunity
This engagement combines backend engineering, platform infrastructure, cloud architecture and enterprise integrations, with opportunities to support AI/ML feature development, data analysis and visualisation depending on project needs. We’re looking for someone who combines strong technical depth with excellent product judgement — someone who understands when to invest in long-term engineering foundations and when speed of execution matters most. This is a highly collaborative environment where engineering, product and delivery work closely together to solve complex business challenges.
Responsibilities
- Design, build, test, deploy and optimise production-grade digital systems
- Contribute to backend services, APIs and platform architecture
- Work closely with engineering leads to deliver against key product milestones
- Deploy and operate distributed systems across multi-cloud environments
- Build enterprise-grade integrations with third-party APIs and SDKs
- Implement authentication, authorisation and provisioning workflows
- Design secure access control, policy enforcement and audit capabilities
- Support AI/ML feature development, data workflows and visualisation where required
- Improve system scalability, reliability, observability and performance
Required Experience
We’re looking for a senior engineer with strong platform and backend expertise who can become productive quickly in complex technical environments.
Core Skills
- ~5+ years building and shipping production software
- ~ Strong full-stack engineering background in high-scale environments
- ~ Strong frontend capabilities with React, TypeScript and Next.js
- ~ Strong backend engineering expertise in Go
- ~ Ability to adapt quickly to new tools, systems and technical challenges
- ~ Strong systems design skills across resilience, scalability, performance and security
- ~ Strong engineering judgement and pragmatic decision-making
- ~ Excellent communication and collaboration skills
- ~ Experience with automated testing and engineering best practices
Cloud & Infrastructure
Strong experience in modern cloud and platform engineering, including several of the following:
- Multi-cloud deployments across GCP, AWS and Azure
- Kubernetes and container orchestration
- Infrastructure-as-code using Terraform
- Private networking and cloud security architecture
- Secrets management and encryption key management
- CI/CD pipelines using GitHub Actions
- Observability using OpenTelemetry (OTEL) and Grafana
- Workflow orchestration using Temporal
Highly Desirable:
- Experience with BYOC SaaS deployments and strong Azure/cloud infrastructure knowledge
- Enterprise Integrations: Experience with APIs, SDKs and enterprise identity tools such as OAuth2, SAML, OIDC and SCIM
- Security & Governance: Strong understanding of access controls, audit logging and compliance frameworks such as SOC 2 / ISO 27001
- AI / ML: Experience building AI-enabled products using Python, ML/NLP workflows, modern databases and frontier models such as Claude, OpenAI or Gemini
Remote engineer employer: Immersum
Join a leading enterprise software business in London as a Senior Platform Engineer, where you'll thrive in a dynamic hybrid work environment that fosters collaboration and innovation. With a strong focus on employee growth, the company offers opportunities to engage in cutting-edge AI/ML projects while working alongside talented professionals in a supportive culture that values technical excellence and teamwork. Enjoy competitive rates and the chance to make a significant impact on product delivery from day one.
StudySmarter Expert Advice🤫
We think this is how you could land Remote engineer
✨Make Your Portfolio Shine
As a freelancer in software development, your portfolio is your bread and butter. Showcase not only your completed projects but also your coding skills on platforms like GitHub or GitLab. This visibility can lead to clients reaching out to you directly!
✨Join Developer Communities
Get involved in developer communities like Stack Overflow or Reddit's r/programming. Contributing to discussions, sharing your knowledge, or even helping others can expand your network and lead to freelance opportunities. Plus, it keeps you in the loop about what’s trending in software development.
✨Freelance Platforms Are Your Friend
Sign up for popular freelance platforms such as Upwork or Freelancer. They’re filled with people looking for talent like yours! Don’t forget to personalise your pitch to each potential client, highlighting how your unique skills can solve their specific problems.
✨Utilise Your Network
Don’t hesitate to reach out to your existing contacts - you never know who might need your services or can refer you to someone who does. Personal connections can lead to more reliable gigs than cold applications. And we're here to help too! If you're looking for freelance opportunities, check out opportunities listed on our website.
We think you need these skills to ace Remote engineer
Some tips for your application 🫡
Showcase Your GitHub Projects:When applying for a freelance software engineering gig at Immersum, make sure to include your GitHub link in your application. Highlighting your code repositories, contributions to Open Source, and any personal projects can really set you apart and give us insight into your skills and coding style.
Tailor Your CV with Relevant Skills:In software development, the specifics matter! Make sure your CV lists the programming languages and technologies you excel at. Focus on the ones that align with the projects Immersum is working on. Listing your tech stack clearly will help us understand how you fit into our team.
Include a Portfolio of Your Work:A solid portfolio is a must when applying for freelance roles. Include links to any apps, websites, or software you've developed. Highlight any projects that reflect a strong user experience, efficiency, or innovative solutions—this is your chance to shine and show us what you can bring to the table!
Mention Your Availability and Rates:Since this is a freelance role, we want to know when you’re available and what your rates are like! Be upfront about your typical work hours and project timelines. This transparency will help us see if we can sync up for future projects at Immersum.
How to prepare for a job interview at Immersum
✨Showcase Your Code Wizardry
Since you're going for a freelance role in software engineering, have a solid portfolio ready to flaunt your best work. Include projects that highlight your coding skills, frameworks you excel in, and any problem-solving feats you've pulled off. This is your chance to shine, so choose pieces that reflect your unique style and expertise!
✨Prepare for Technical Challenges
Freelance gigs often involve tech assessments or coding challenges, so be ready to tackle some hands-on problems. Brush up on common algorithms, data structures, and any languages/frameworks relevant to the role at Immersum. Being comfortable with platforms like HackerRank or LeetCode can give you an edge and showcase your skills under pressure!
✨Be Clear About Your Rates and Flexibility
As a freelancer, be prepared to discuss your rates upfront. It's crucial to communicate your pricing structure clearly and whether you're open to negotiation. Do your homework on industry standards to ensure you pitch a fair and competitive rate that reflects your skills and experience!
✨Understand Their Tech Stack
Before the interview, get familiar with the tools and technologies used at Immersum. Whether it's a particular framework or a specific coding methodology, being knowledgeable about their tech stack not only shows your interest but also helps you present how you could fit seamlessly into their existing projects. Demonstrating you’ve done your homework can set you apart from other candidates!
