python engineer jobs in Portsmouth

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

We're expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You'll take meaningful ownership day-to-day, partnering...

Job Description Due to progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy sector. Senior Python Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per month onsite, Southampton) The software you'll work on is business critical. It must be reliable, auditable, and able to stand up to...

Software Engineer (Contract) – Python / FastAPI 6 Month Contract - Fully Remote Daily Rate: £500 Outside IR35 Contact: Matthew.Makranczy@forsythbarnes.com We're looking for experienced AWS Software Engineer (contractors) to join an established platform engineering team and help take a proof-of-concept Identity & Access Management (IAM) system into production. This is a hands-on engineering...

Full Stack Developer with strong Python and React experience required by a well-known and long-established enterprise based in Sussex, working on a significant environmental project. The company provide a vital service across critical national infrastructure, and the main project is designed to make a real, permanent difference to the surrounding environment, so your work here will make a real...

Do you want to work in Defence and on the latest technologies?Are you keen to join a leader in their field and make a difference? Come and work on some very secure accounts.Were growing our team of Platform Engineering Senior DevOps Engineers to support a very large piece of work. Youll be responsible for all aspects of our automation capabilities and should have strong problem-solving skills...

You will be part of a cross-disciplinary feature team, in addition to being a highly experienced member of our wider Lloyds engineering team delivering change. Your role as a GCP APIGEE specialist involves supporting teams with modern DevOps solutions, curating scalable GCP Cloud Products as IaaC, and building APIGEE/API solutions while modernising the APIGEE gateway.

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You'll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

Introduction Boothbay Fund Management, LLC is a multi-manager, multi-strategy firm with 100+ alternative asset managers trading strategies across a spectrum of asset classes globally. Boothbay launched its flagship strategy in 2014. Boothbay has its primary office in NYC, and additional offices in London, Hong Kong, and Westchester. The firm is operated with an entrepreneurial spirit and is...

Multi-Agent LLM Systems Remote (MUST BE IN EUROPE) We're partnering with a venture-backed startup led by a founder who has built and taken two technology companies to IPO, now assembling a world-class team to tackle one of the most impactful problems in applied AI. The company is developing a voice-enabled AI copilot used by professionals to eliminate the friction from documentation and...

You don't see the world like everyone else — and that's the point. This is a graduate opportunity for engineers who want to design infrastructure that actually works for people, communities, and the planet. You'll join a global, design-led engineering consultancy working at the cutting edge of transport, water, energy and climate-resilient infrastructure. Each year, hundreds of graduates join...

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

Vice President of Engineering Location: Remote (Ideally need to be based in the UK) Salary: £140,000–170,000 base + equity + benefits About the Company Join a Series A–funded digital asset risk-management platform backed by Microsoft, Coinbase, Samsung, Nyca, and Neotribe. With $22M raised and three years of financial runway, the company powers real-time risk monitoring, analytics, and...

You will be responsible for transforming raw 3D models into fully functional, "simulation-ready" assets for NVIDIA Isaac Sim. This is not a pure modelling role; it requires a deep technical understanding of USD structures, physics properties (colliders, mass, friction), and Python scripting for automation.

Database Engineer (PostgreSQL & Python) - MUST BE BASED IN THE UK - Opportunity for a Database Engineer (Junior/Mid/Senior) to join a remote-first, UK-headquartered technology business - Competitive salary between £45,000 - £70,000 + excellent benefits including remote working, autonomy, and the chance to work on an Educational AI platform - Apply online or contact Chelsea Hackett via...

Electronic Design / Embedded Software Engineer Location: Hybrid / Harpenden, Hertfordshire Salary: £55,000 – £65,000 + bonus (DOE) Hours: 40 hours per week (flexible within office hours) The Opportunity A specialist UK engineering consultancy is looking to hire an Electronic Design / Embedded Software Engineer to work on a wide range of technically challenging products across medical...

Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come first. Guided by our...

You will collaborate closely with software engineers, mechatronics engineers, and embedded engineers to deliver algorithms that are measurable, testable, and deployable on real hardware – balancing performance, compute constraints, and robustness.

You will contribute to the development of core autonomy systems, including:

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.