Junior python developer jobs in Belfast - Page 3Create job alerts

As a Software Developer at System C, you'll build secure, reliable and high-quality software that clinicians and operational teams depend on every day.

Would you like to join an established FinTech company in strong growth mode? Youll be joining a stable software engineering team supporting a well-established product - no firefighting required.This is a US-headquartered multinational FinTech company with a modern office in Belfast, offering a hybri

NET Software Engineer looking to build robust, high-quality systems within fintech and continue developing your technical skill set? My client is a fintech organisation developing scalable, business-critical platforms used in a fast-paced environment.NET Software Engineer with around 3-4 years of co

Stats Perform is the market leader in sports tech.We provide the most trusted sports data to some of the world's biggest organizations, across sports, media, and broadcasting.Through the latest AI technologies and machine learning, we combine decades' worth of data with the latest in-game happenings

Net Developer to join an established Belfast Client as they grow a brand-new team.

Graduate Software Developer - C#/SQL - Remote. Graduate Software Developer - Fully Remote (UK). From day one you will work alongside developers who will mentor and support your technical development as you contribute to building real production systems used across the organisation.

Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role

Warton (Hybrid: 1–2 days on site).BPSS required (SC in progress, ITAR restrictions apply).Engineering Support Subsystem (ESS).RAF to monitor, diagnose, and maintain combat aircraft systems.You'll join a collaborative team developing primarily.NET (C#) desktop applications (WPF/WinForms).Analyse re

Lead Software Engineer - GenAI/Forward Deployed - Remote (UK or Ireland).Work directly with enterprise clients and senior stakeholders to design and build cutting-edge B2B Generative AI solutions.This is a highly senior, hands-on software engineering role sitting just below Principal Engineer level.

You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Proficiency in React/Typescript and/or Python (RESTful APIs, data pipelines), plus comfort with d

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent

Contract Golang Engineer opportunity - Up to £450 p/d - Outside IR35 - Fully Remote.Morson Edge are seeking a skilled Golang Engineer to join a major replatforming and migration project focused on modernising existing software platforms and infrastructure.The role involves transforming legacy syste

Share knowledge and emerging technical insights with the wider engineering community and mentor junior engineers to support their growth.

Языки: С++, для единичных задач Lua и Python;.

Own the core Python backend codebase supporting the AWS environment (EC2, S3, Lambda, RDS, Elastic Beanstalk), ensuring reliability, scalability, security, and maintainability. Deep Python backend experience. Expert knowledge of Python, AWS, Git/GitLab, Linux, CI/CD, SQL, and modern ML/statistical m

Языки: С++, для единичных задач Lua и Python;.

About Webigence and Spark Travel.UX‑first, often highly complex software.Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but.Alongside a handful of long‑standing third�

Golang, React/TypeScript, Python, ML models, MySQL, Docker, Kubernetes, AWS/GCP/Azure, CI/CD.

Build and maintain Python/Azure-based services — APIs, data pipelines, monitoring and audit frameworks. Python · Azure · Terraform · Docker · ML Pipelines · FHIR / HL7 · GitHub Actions.

Metric has partnered with a leading quantum technology company developing next-generation quantum computing systems to hire a Quantum Software Engineer specialising in Quantum Error Correction (QEC).This role focuses on building the foundations of fault-tolerant quantum computation, designing and im

This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance e

Full-time | Remote with trips to.Join us at Fastino as we build the next generation of LLMs.Our team, boasting alumni from Google Research, Apple, Stanford, and Cambridge is on a mission to develop specialized, efficient AI.Fastino's GLiNER family of open source models has been downloaded more than

We’re partnered with a growing, data-led technology business that is scaling its data capabilities and investing heavily in how data is structured, accessed and used across the organisation.Analytics Engineering & BI Development.SQL expertise at the core of their skillset.This role sits at the int

We’re looking for a Senior QA Engineer to own product quality across our web, mobile and API platforms.This is not a ticket-closing role: quality needs to be considered across the full development lifecycle.You will be embedded in the product process from the start, contributing to acceptance cr

Our client is an established, globally operating SaaS business within the travel and hospitality technology space, supporting tens of thousands of customers worldwide.Following significant recent investment in product and platform evolution, the business is now entering a critical phase focused on e

Engaging with system designers, other engineering disciplines and software developers to in the design process to ensure that software meets requirements.

Senior Software Engineer (Backend) – London, Hybrid (2 days/week) – £80,000-£90,000 plus Benefits – High Growth Startup.We’re partnering with a fast-growing healthtech company on a mission to transform primary care.Their platform supports hundreds of practices and millions of patients acro

Mid-Level C++ / Python Developer | Fintech Product Company | Remote Europe / UK. C++ and Python engineering opportunity.

Senior Software Engineer : Up to £475 per day Outside IR35 : 3 months rolling : Hybrid Monthly (London).An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a

At Bamboo Rose, we’re building the world’s leading collaborative product development platform for global retail.Our technology helps retailers and brands bring great products to market faster, smarter, and more sustainably.We’re a team that values curiosity, craftsmanship, and collaboration- a

Aveni is redefining how financial institutions use AI.We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows.We have been recognised as Fintech of the Year for two co

The Backend Software Engineer is responsible for designing, developing, and maintaining scalable backend systems that power the company’s digital platforms.This role focuses on building secure, high-performance applications using Laravel, NodeJS, PostgreSQL, Docker, and AWS.The successful candidat

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage th

This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance e

Strong Python backend engineering experience.

Contributing to backend systems (primarily TypeScript/Node, with some Go or Python). Experience in one or more of: TypeScript/Node, Go, Python.

Senior Rust Developer - Perm - Aviation Technology.

Senior Rust Engineer – High-Frequency Trading.UK Time Zone (Remote-friendly).Storm2's client is a London-based research and trading firm building a tier-one HFT platform.Small team, high bar, and serious about what they're building.You'd be their fifth Rust hire.Most Rust roles aren't really Rust

Python backends, event-driven AWS architecture, and React where the squad needs it.

This firm is an elite company with high tech standards who have previously set tech world records.They are made up of some exceptionally talented individuals who above all are passionate about using the latest and greatest tech and pushing it to the limits.They’ll find the best team to suit your s

We're a Python-native serverless data stack built on Apache Iceberg with powerful ETL and Lakehouse management tools. As a runtime engineer at Tower, you'll be responsible for building and maintaining the secure, high-performance environment in which user-defined Python applications run. Strong prof

Design and evolve high-performance backend systems and APIs, primarily using Golang, with Python integrated for specific domain-driven logic. Actively experiment with AI-assisted workflows and emerging developer tools to maintain a peak-efficiency development lifecycle. Expert-level Golang skills an

Net Developer | Full stack Developer |. On top of this you will be mentoring other Developers and driving best practices.

Lead / Founding Engineer (Stealth Consumer Startup).We’re currently partnered with a stealth, early-stage consumer startup building a new interactive web platform.They’re looking for a Lead / Founding Engineer to join at an early stage and take ownership of building the product from the ground u

With our Data Analytics career programme we will provide you with: 8 training modules: Excel, SQL, Python, R, Tableau, Power BI, CompTIA Data & Azure AI Fundamentals 3 official examinations: Microsoft Power BI Data Analyst, CompTIA Data, & Microsoft Azure AI Fundamentals 100 hours of live instructor