Senior Software Engineer
2 weeks ago
Software Engineers – Wireless PHY (Senior & Principal)Southampton (Hybrid 2–3 days/week) | £70k–£100k + Bonus + Equity + SponsorshipSome software jobs are about features.This one is about performance.You'll be building and optimising real-time software that sits directly in the physical layer of advanced wireless systems — the part where latency, throughput and correctness actually matter.What you'll work onHigh-performance C/C++ on x86 or ARMReal-time PHY signal-processing implementationsOptimising hot code paths using SIMD/vectorisationHigh-performance APIs for hardware-accelerated paths (Linux, PCIe, DPDK)Collaboration with DSP, FPGA and systems teamsSoftware that ships into real 4G/5G and satcom deploymentsWho this is forEngineers with prior experience in wireless Layer-1 / PHY development, such as:OFDM/MIMO algorithmsChannel estimation/equalisationLDPC, Polar or turbo codingORAN Split 7.2, FAPI/LLSReal-time DSP implementationsLow-latency C/C++ in hardware-adjacent systemsSenior roles focus on delivery and optimisation;Principal roles add technical leadership and architectural responsibility.What's on offer£70k–£100k depending on levelUp to 20% bonusEquityVisa sponsorship & relocation supportPMI, healthcare, pensionHybrid: 2–3 days/week in the Southampton officeIf you want to work on software where every cycle counts — and you already know your way around the PHY layer — let's talk.
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Senior Software Engineer
2 weeks ago
Southampton, Southampton, United Kingdom Critical Software Full time €60,000 - €120,000 per yearAt Critical Software we truly believe that our people are what makes us what we are. At the heart of everything we do are our diverse and talented individuals, pushing the boundaries of what´s possible.Working at Critical is more than just a career choice, is more than a business: we're a community with a strong sense of purpose, values, and togetherness....
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Software Engineer
2 weeks ago
Southampton, Southampton, United Kingdom Critical Software Full time £40,000 - £80,000 per yearAt Critical Software we truly believe that our people is what makes us what we are. At the heart of everything we do are our diverse and talented individuals, pushing the boundaries of what´s possible.Working at Critical is more than just a career choice, is more than a business: we're a community with a strong sense of purpose, values, and togetherness....
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Senior Software Engineer
2 weeks ago
Southampton, United Kingdom Critical Software Full timeAt Critical Software we truly believe that our people are what makes us what we are. At the heart of everything we do are our diverse and talented individuals, pushing the boundaries of what´s possible. Working at Critical is more than just a career choice, is more than a business: we're a community with a strong sense of purpose, values, and togetherness....
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Software Engineer
1 day ago
Southampton, United Kingdom Critical Software Full timeAt Critical Software we truly believe that our people is what makes us what we are. At the heart of everything we do are our diverse and talented individuals, pushing the boundaries of what´s possible.Working at Critical is more than just a career choice, is more than a business: we're a community with a strong sense of purpose, values, and togetherness....
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Junior Software Engineer
2 weeks ago
Southampton, Southampton, United Kingdom Critical Software Full time £25,000 - £40,000 per yearJoin Our Mission: Junior Software Engineer WantedAt Critical Software, our people are our superpower. We're a community of curious minds and tech wizards, pushing the boundaries of what's possible. More than just a workplace, we're a tight-knit team with a shared mission—using technology to make the world safer, smarter, and better.We work with industry...
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Senior Software Engineer
2 weeks ago
Southampton, United Kingdom IC Resources Full timeEmbedded Software & Cryptography Recruitment | Assisting Embedded Software and Cryptography Engineers find their next stepJoin an innovative wireless communications company – Southampton, Hybrid Working ModelThis growing engineering team is developing high‑performance software that powers next‑generation wireless signal processing. They are looking for...
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Senior Software Engineer
1 day ago
Southampton, United Kingdom Octagon Group Full time1 day ago Be among the first 25 applicantsThis range is provided by Octagon Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from Octagon GroupR&D Engineering | Senior Talent Partner | Octagon GroupSenior Software Engineer – 12M FTCNew Senior Software...
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Senior Software Engineer
1 day ago
Southampton, United Kingdom TieTalent Full timeOverviewTieTalent — Senior Software Engineer — Southampton, England, United KingdomThis role emphasizes embedded development and offers opportunities to work on cutting-edge technology addressing real-world challenges in sectors including customs, border protection, law enforcement, military, emergency services, and first...
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Senior Software Engineer
2 weeks ago
Southampton, United Kingdom Yoh, A Day & Zimmermann Company Full timePrincipal Recruiter | Electronic Engineering at Yoh, A Day & Zimmermann Company Software Engineers – Wireless PHY (Senior & Principal) Southampton (Hybrid 2–3 days/week) | £70k–£100k + Bonus + Equity + Sponsorship Some software jobs are about features. This one is about performance. You’ll be building and optimising real-time software that sits...
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Senior Software Engineer
7 days ago
Southampton, United Kingdom hackajob Full timeSenior Software Engineer Hackajob is collaborating with LexisNexis Risk Solutions to connect them with exceptional tech professionals for this role. Are you ready for the next step in your engineering career? Would you enjoy working on our cutting‑edge products? About The Business At Cirium, our goal is to keep the world connected. We are the industry...
