Python software engineer jobs in Belfast - Page 5Create job alerts

We’re hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. Python experience; you’ve shipped and owned production systems. It runs during market hours, ingests real-time market data, and requires profiling-led performance engineering

Salary:Circa £65k+ Up to 15%BonusSponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python-powered solutions that mak. Title:Principal Software Engineer

Senior Python Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per week in Oxford)The software you'll work on is business critical. Due to progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy

Were hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. It runs during market hours, ingests real-time market data, and requires profiling-led performance engineering to keep p50/p99 latency, jitter, and reliability within tight bounds

Responsibilities You will be responsible for: Maintaining and troubleshooting automated test systems used on production lines Working closely with production teams to investigate test failures Performing rootcause analysis across software, hardware, and test infrastructure Improving the test system

You will have the opportunity to partner with key Engineering teams, alongside Operations and Site Reliability Engineering. Job Skills/ Qualifications:*** Highly motivated self-starter with excellent interpersonal and problem-solving skills* Bachelor’s degree or equivalent work experience* Good or

A global research collaboration is seeking a Scientific Software Engineer to integrate and develop open-source tools for computational behavioral analysis and physics-based simulation. This fully remote role involves working with Python tools, tracking issues on GitHub, and enhancing software integr

The ideal candidate will have at least 2 years of software development experience, proficient in Python, SQL, and Git. Responsibilities include creating React applications, communicating project status, and working on software engineering projects as part of a team. A global automotive insights firm

You will have the opportunity to partner with key Engineering teams, alongside Operations and Site Reliability Engineering. You will be responsible for engineering solutions that strengthen and broaden our security capabilities in an environment that is changing daily whilst also working with vendor

What You’ll Do* Design, build, and evolve Generative AI solutions for Markets use cases across asset classes* Engineer production-quality applications and services using Python* Apply modern AI patterns including LLM orchestration, agentic workflows, retrieval-based approaches, and structured eval

Principal Software Engineer - Python - Fully Remote (UK). Software Engineering Experience with proficiency in Python. Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team.

Responsibilities include developing robust software solutions and collaborating across teams. A leading cybersecurity firm located in Belfast is seeking a Senior Python Developer to enhance their Encryption Intelligence technology. The ideal candidate will have significant commercial experience and

Strong software engineering experience, with deep hands‑on expertise in Python. Engineer production‑quality applications and services using Python. If you are excited by greenfield AI engineering, passionate about modern software craft, and want to work in a team where your ideas and technical j

Candidates should have strong skills in React, TypeScript, Python, and experience with AWS services.

A minimum of 5 years experience in software development using Python or equivalent, strong relational database knowledge and working knowledge of the major cloud service providers. As a Senior Python Engineer, you will own a full life cycle of development and be a senior contributor on a team respon

Strong software engineering experience, with deep hands‑on expertise in Python. Engineer production‑quality applications and services using Python. A strong grasp of software engineering fundamentals, including design, testing, maintainability, and code quality.

Senior AI Python Software Engineer (Perm, UK). Senior Python Software Engineer. Whether you are a Senior Engineer, Tech Lead, or DevOps Engineer, you will collaborate with distributed teams, leveraging cutting-edge technologies to build secure, high-performance applications.

The Senior Software Engineer will be a key contributor to full lifecycle software development, focusing on data management\workflows, infrastructure as code, and CICD pipelines. The Python Developer will be instrumental in building and maintaining our Python applications. Develop and maintain Python

As a Test System Software Engineer, you will work at the intersection of software, hardware, and manufacturing. Collaborating with colleagues from test engineering, R&D, mechanical and electrical engineering, and production line teams. We cooperate with other engineering and manufacturing teams to e

Data Engineers are key to this mission - building robust data infrastructure and tooling that powers insights, analytics, and software products used across the rail network. This role sits at the intersection of software engineering, data architecture, and delivery. This business is a rail software

Python Software Engineer – High-Frequency Trading. We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers

Python Software Engineer - Observability Engineering - Quant Research. Python backend engineering experience. Strong problem-solving skills and the ability to collaborate across engineering teams.

This is a great opportunity for a Python Software Engineer with strong AWS skills to take ownership of production systems and internal frameworks that power data products across the organisation. If you are interested in this Software Engineer role, please apply with your CV. Support wider AI and Da

Senior Software Engineer – AI Startup – Up to 140k 🚀🧠. Senior Software Engineer – AI Startup – Up to 140k 🚀🧠. Build and ship high-impact software.

Python Software Engineer needed for a remote role. Requires Python, MySQL, and experience in financial services.

Develop trading tools using Python, collaborate with traders, and build scalable production systems.

The Principal Data Engineer will identify opportunities for automation and process improvement, coach and mentor data engineers, set coding standards and best practices, implement and document data integrity and quality checks, optimise queries, and facilitate data engineering collaboration ac

Collaborate with data engineers, data scientists, and software engineers to understand data requirements, troubleshoot issues, and support data-driven initiatives. Software Development: Understanding of software development methodologies and best practices, including version control (e. Qualificatio

Senior Data Engineer - Nationwide. The Senior Data Engineer role exists to lead on the design, build and maintenance of the data infrastructure that will power Places for People and the delivery of its business strategy. The ideal candidate is a skilled data engineer who demonstrates strong techni

Were seeking software and systems engineers specializing in reliability and platform services to join our transformative cloud journey. Being a DevOps Engineer at iManage Means You are an engineer, a builder, and a systems thinker. M Responsible For Eliminating TOIL through automation and software d

Why join? * Lead delivery of large scale data platforms * Combine hands on engineering with team leadership * Work with modern cloud and data technologies * Collaborative, high performing engineering environment What you'll be doing: * Design and build data pipelines and processing systems * Lead de

Technical Governance Data Analyst Location: Craigavon Join Pilgrim's as our next Technical Governance Data Analyst and play a key role in improving food safety, quality, and performance across our European and global operations.If you're passionate about turning data into actionable insight, and wan

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

Airflow, dbt, Spark) Hands-on experience with AWS ecosystem Strong understanding of CI/CD and software engineering best practices Experience working in Data Engineering or DataOps roles Excellent problem-solving skills in fast-paced environments Strong communication skills with both technical and no

What You'll Be Doing Lead the design and evolution of the enterprise CI/CD platform across cloud and on-prem infrastructure Own and deliver the migration to GitHub Enterprise & GitHub Actions, building reusable workflows and quality gates Define platform standards across Terraform, Ansible, Vault, D

Role Overview As a Senior Quality Assurance Engineer at TP ICAP, you'll be the champion of quality within an Agile team, ensuring every sprint delivers robust, high-performing software. Experience / Competencies Essential Demonstrated and proven experience as a senior QA automation engineer. This is

Key Responsibilities Build and maintain automated test suites for back-end services, APIs, and data pipelines Identify and report defects, working closely with developers to resolve issues quickly Integrate automated testing into CI/CD pipelines to support continuous delivery Support QA strategy and

You will work closely with engineers, data scientists and ML engineers to ensure the platform supports both product intelligence and machine learning use cases. Work closely with ML engineers to support model training and inference. Strong experience as a Senior Data Engineer.

Senior QA Engineer - Java / Microservices At a Glance QA Engineer role within a modern Java microservices, event-driven platform Strong focus on backend, API and automation testing Scaleup environment with real-world, high-impact products Hybrid Working (Belfast) Salary up to £65k The Client Our cl

Define and own the architecture of the organisation’s engineering delivery platform, covering CI/CD pipelines, artifact management, secrets management, and infrastructure provisioning. Champion self-service and inner-source practices, creating shared tooling, documentation, and pipeline libraries

Why join? * Senior, influential role with architectural ownership * Work on modern data platforms operating at scale * Hybrid working from a Belfast-based tech hub * Strong engineering culture with a focus on quality and improvement * Clear support for learning, growth and technical leadership What

As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. Engage across all phases of the software delivery lifecycle, including development, testing, release, and maintenance.

This role is ideal for a hands-on, high-performing engineer who is passionate about building scalable data platforms and enabling other engineers across the organisation. You will play a key role in developing and evolving our data platform infrastructure, empowering Data Engineers to build and oper

Go or Rust — valued as evidence of strong backend engineering and systems thinking, even though Python is the primary language. The AI roadmap is ambitious (agentic AI capabilities, multi‐agent orchestration, voice interfaces), and the next wave of capabilities depends on a strong data engineeri

Are you a highly productive DevOps Engineer, looking to use your wealth of games industry knowledge and your technical DevOps skills to help keep games online and running, whatever challenges are thrown at you?. We're on the search for some Contract DevOps Engineering talent to join the team working

As a DevOps Engineer, you will be responsible for CI/CD pipelines, environment provisioning, and release automation, enabling secure, scalable, and reliable software delivery across enterprise platforms. The role focuses on automation, observability, security, and reliability engineering.

This is an exciting opportunity to step into a high-impact Data Engineering role within a fast-scaling data and machine learning environment. You will sit at the core of the engineering function, working closely with a large data science group and shaping the foundations of their internal tooling an

We're looking for a motivated Senior DevOps Engineer, eager to help us deploy and maintain machine learning models, especially Large Language Models (LLMs), in production environments. Collaborating with engineers, data scientists & DevOps teams. Strong scripting skills in Python or Bash.