At a Glance
- Tasks: Design and develop scalable backend services using Python and FastAPI.
- Company: Join a high-profile international technology programme with a collaborative culture.
- Benefits: Fully remote work, competitive contract, and opportunity for extension.
- Other info: Ideal for NATO citizens seeking dynamic engineering roles.
- Why this job: Work on modern technologies and tackle technically challenging projects.
- Qualifications: Strong experience with Python, FastAPI, and SQL databases.
We're recruiting for an experienced Senior Backend Developer to join a high-profile international technology programme focused on building scalable, data-driven applications. This is an exciting opportunity to work on modern backend architecture, processing complex geospatial and temporal data within a collaborative engineering environment.
This is a hands-on role where you'll take ownership of features from design through deployment, working closely with architects, data engineers and software developers to deliver robust, production-grade solutions.
What you'll be doing:
- Design and develop scalable backend services using Python and FastAPI
- Build RESTful APIs and microservices
- Develop data pipelines supporting large-scale analytics platforms
- Work with Neo4j graph databases and relational databases such as PostgreSQL or SQL Server
- Collaborate with cross-functional engineering teams to design clean, maintainable software using Domain-Driven Design (DDD)
- Write high-quality, well-tested code and contribute to code reviews
- Support CI/CD pipelines, containerised deployments and cloud-native development
- Troubleshoot performance issues and contribute to architectural decisions
Essential Skills & Experience:
- Strong commercial experience with Python
- Production experience with FastAPI
- Solid understanding of REST APIs and microservice architectures
- Experience applying Domain-Driven Design (DDD)
- Strong SQL skills with PostgreSQL and/or SQL Server
- Hands-on experience with Neo4j graph databases
- Experience working with Docker and Kubernetes
- Knowledge of CI/CD pipelines and Git
- Understanding of secure software development principles
- Excellent communication skills and experience working within Agile teams
Desirable Experience:
- Databricks
- Microsoft Azure
- Event-driven architectures (Kafka, MQTT, Azure Event Hubs, etc.)
- Geospatial or time-series data
- Observability tools such as Prometheus, Grafana or OpenTelemetry
Eligibility:
Due to project requirements, applicants must be citizens of a NATO member country and currently reside within a NATO member country.
Contract Details:
- Fully remote
- Start: September 2026
- Initial contract through December 2026, with potential for extension
- International engineering programme
- Opportunity to work with modern technologies on technically challenging projects
If you're an experienced Python Backend Developer looking to work on large-scale distributed systems using modern engineering practices, we'd love to hear from you. Apply today with your latest CV for a confidential discussion.
Senior Backend Developer (Python) - Remote employer: IO
iO is an exceptional employer that fosters a collaborative and innovative work culture, perfect for a Principal Data Architect looking to make a significant impact in the field of data architecture. With hybrid working arrangements and a focus on employee growth, you will have access to continuous learning opportunities and the chance to work with cutting-edge technologies like AWS and Snowflake in the vibrant city of London. Join us to be part of a forward-thinking team that values your expertise and encourages professional development.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Backend Developer (Python) - Remote
✨Get Involved in Open-Source Projects
Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at IO who values hands-on experience over just theory.
✨Attend Local Tech Meetups
Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at IO!
✨Showcase Your Work Online
With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at IO to see what you bring to the table.
✨Leverage Temporary Job Boards
Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!
We think you need these skills to ace Senior Backend Developer (Python) - Remote
Some tips for your application 🫡
Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at IO!
Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!
Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!
Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Senior Backend Developer (Python) - Remote at IO! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!
How to prepare for a job interview at IO
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that IO uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.
✨Demonstrate Your Adaptability
Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at IO that you can learn on the job and deliver results in a short timeframe!
✨Show Off Your Portfolio
Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest IO, so it's relevant and sparks conversation during your interview.
