senior java software engineer

About the jobJob Title - Senior Java EngineerLocation - PolandYears of experience - 8+ years of experienceWhat you'll need for this roleBackend Engineering8+ years software engineering with Java backend expertiseExperience modernising production systems at scaleStrong API design and microservices architecture knowledgeUnderstanding of strangler fig...

DescriptionWe are seeking a Senior Data Engineer with strong SQL and Java expertise to design and deliver scalable data solutions. In this role, you will leverage Java's robustness and Scala's functional data-processing power to build scalable pipelines, manage distributed big data frameworks, and optimize our data platform.Location: 3days/w onsite in...

Senior Java EngineerIf the following job requirements and experience match your skills, please ensure you apply promptly.Location: Manchester | Hybrid/RemoteSalary: up to £70,000, plus bonusWe are seeking an experienced Senior Java Engineer with strong ICON IPF Payments experience to join a leading global consulting and technology organisation, working on...

At Hazelcast, we build a high-performance real-time data platform used in mission-critical systems across industries such as finance, e-commerce and telecoms. Our platform enables applications to access and process data in milliseconds, powering use cases like fraud detection, real-time inventory tracking and dynamic pricing. We’re looking for a senior...

Software Engineer / Developer (Java API Kafka AWS) London / WFH to £90kAre you a technologist with strong Java backend development skills?You could be progressing your career working on a financial Tech for Good product in a hands-on Software Engineer role at a scale-up software house.The platform enables easier money transfer to people in emerging...

Senior Java EngineerIs this your next job Read the full description below to find out, and do not hesitate to make an application.£50,000-70,000 GBPPension, BenefitsHybrid WORKINGLocation: Newcastle Upon Tyne, North East - United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: Newcastle / Hybrid Working Salary: £50,000 - £70,000 +...

Duetto's core Java/Spring platform processes millions of rate decisions daily across thousands of hotels worldwide — and this role owns its architecture and evolution. As Staff Software Engineer on the Dev Platform team, you'll drive domain decomposition, define service boundaries, and lead the modernisation of a high-throughput, multi-tenant system that...

Senior Software EngineerSalary: £80k - £90k Location: Walthamstow, LondonWorking Pattern: Onsite - 3/4 days per weekEmployment Type: Full Time Overview An innovative technology company is seeking a Senior Software Engineer to help shape the future of manufacturing and housing delivery. This is an opportunity to work on software with direct real-world...

About Us At Bezos, our vision is to Deliver Happiness - for our team, for end consumers, for the e-commerce brands we serve, and for our logistics partners. We're the managed global fulfilment partner for scaling e-commerce brands: one platform and one team handling fulfilment across a global fulfilment network, spanning the UK, Europe, North America and...

hackajob is partnering directly with Raytheon UK to hire for this role. Date Posted: 2026-06-24 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex...

We are supporting a leading Robotics & Technology company based in Cambridge who are looking to add a Senior Software Engineer to their growing team. This is a full-time permanent position with hybrid working. International travel may be required. Key responsibilities will include: * Lead on the design, development and testing for software...

We're looking for a Full Stack Engineer to help build and evolve the services that support our customers and business. Working primarily within AWS serverless environments, you'll design and deliver scalable backend services, APIs and platform capabilities, while contributing across the full stack where required. You'll play a key role in enhancing our...

Senior Security Software Engineer | Belfast (Hybrid, 3 Days Office) | InsurTech At a glance: Senior Software Engineer - Python, AWS, security-focused AI-driven InsurTech, scaling Belfast engineering hub Hybrid - 3 days Belfast office, 2 days remote Competitive salary + performance bonus + 30 days leave Real ownership, architecture input, cutting-edge tech...

Software Engineer | Cheltenham | Permanent | SC ClearanceBuild secure, mission-critical technology that makes a real-world impact.We're seeking a Software Engineer with strong Kotlin and Android development experience to join a high-performing team delivering innovative digital solutions within secure environments. You'll work alongside talented engineers,...

Senior Software EngineerHealth Tech | Fully Remote (UK) | Up to £110,000 + Excellent BenefitsBuild Technology That Improves LivesWhat if your next engineering role wasn't just another SaaS platform?What if the systems you designed, the APIs you built, and the architectural decisions you made directly supported better healthcare outcomes around the...

About ENSEKENSEK builds the cloud‑native SaaS software that’s transforming how energy retailers operate, innovate and manage at scale.We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI‑driven insight, all underpinned by modern, cloud‑native architecture.ENSEK is...

DescriptionWe're rebuilding our platform around an AI-orchestrated delivery pipeline — and we're looking for a Senior Software Engineer to own how that work gets designed, generated, gated and released.The role at a glance👋 Title: Senior Software Engineer📍 Location: Southampton, UK — hybrid, with one anchor day per week in the office (currently...

UK CITIZENSHIP REQUIRED FOR THIS POSITION: YesRELOCATION ASSISTANCE: Relocation assistance may be availableTRAVEL: Yes, 10% of the TimeSenior Software EngineerLocation: Manchester – hybridSalary: £44,000 - £66,000 DOEClearance: You must currently hold the highest level of UK Government clearanceDefine Possible at Northrop Grumman UKAt Northrop Grumman...

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic strength, and democratic institutions.   We build Acra – the...

   By bringing together next-gen technology and the finest live data available, Genius Sports is enabling a new era of sports for fans worldwide, delivering experiences that are more immersive, interactive and personalized than ever before. Learn more at geniussports.com.  The Role  You will join one of our established high-performing teams within...