Application Developer, Senior

Company IconBooz Allen Hamilton
Location IconBuckley

Overview In this senior role, you will design and deliver complex software solutions within an intelligence-focused environment. You will collaborate across disciplines to align systems with the organization’s mission and anticipate futur...Read More>>.

Posted: September 21st, 2026
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Java Developer - Hybrid | £50k - £75k | More than £5mill customers since founding

Company IconOpus Recruitment Solutions Ltd
Location IconSouth West

I've started working with a business that has built a strong engineering culture and known greatly across the South West, where developers are trusted to solve problems, influence technical direction, and work on products that are used at scale. The...Read More>>.

Posted: September 23rd, 2026
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Senior Statistical Programmer

Company IconWarman O'Brien
Location Icon

Contract – Statistical Programmer | Global Pharma | Remote | UK / Europe | Outside IR35We’re recruiting an experienced Statistical Programmer with advanced R programming skills to support a global pharmaceutical company...Read More>>.

Posted: September 17th, 2026
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Senior Development Manager

Company IconElevation Recruitment Group
Location IconSolihull

Senior Development ManagerHome-Based (West Midlands based) | Full-Time | Competitive Salary + BenefitsWe are seeking a strategic and results-driven Senior Development Manager...Read More>>.

Posted: September 17th, 2026
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Senior Java Developer API Security

Company IconClient Server
Location IconFen Ditton

OverviewSenior Java Developer / Backend Software Engineer Cambridge / WFH to £75kAre you a backend focused Java technologist?You could be progressing your career in a senior, hands-on role at a market leading soft...Read More>>.

Posted: August 17th, 2026
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Full-stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Company IconCitigroup Inc.
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: September 11th, 2026
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Lead Data & Application Developer, IT Product

Company IconAllied World Assurance Company
Location IconLondon

Allied World is seeking a motivated and detail-oriented Lead, Application Developer to join our IT Product team in Finance at our New Jersey location. You will assist in the development, testing, and maintenance of data solutions that support our...Read More>>.

Posted: September 14th, 2026
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Senior Java Software Developer London, UK

Company IconItrs Insights
Location IconLondon

Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our mission is to make society’s critical technology work via automated & holistic IT observability solutions that safeguard critical ap...Read More>>.

Posted: September 14th, 2026
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Applications Developer – Data Pipelines & Trading Systems

Company IconMarsh
Location IconLondon

Marsh in London is seeking an Applications Developer for a hands-on role that improves robustness, stability, and performance of our technology systems. You will work across the platform, starting with data pipelines, redesigning data processes to...Read More>>.

Posted: September 14th, 2026
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Senior Front End Software Engineer - Application Development

Company IconFront Door Defense
Location IconLondon

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, for...Read More>>.

Posted: September 14th, 2026
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Full Stack Software Engineer - Application Development

Company IconFront Door Defense
Location IconLondon

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, for...Read More>>.

Posted: September 14th, 2026
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Junior Software Developer (Java)

Company IconLMAX Group
Location IconLondon

LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in n...Read More>>.

Posted: September 14th, 2026
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Java Developer - Team Lead - Up to £150k + Exceptional Bonus - Elite FinTech Firm- London - Hyb[...]

Company IconHunter Bond
Location IconLondon

Overview Sells: Cutting-edge tech, a collaborative and flat-structured environment, beautiful offices My client is looking for the best Full Stack Developers to join their high-performance team! You will be integral in designing...Read More>>.

Posted: September 15th, 2026
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Intermediate Java Developer: Cloud, DevOps & Modern Apps

Company IconHippo
Location IconWoodhouse

Hippo is seeking Intermediate Java Developers to join our team in Leeds. You will work in multi-disciplinary teams to build, support and maintain user-centred digital solutions that deliver real value for clients.As an intermediate consulta...Read More>>.

Posted: September 15th, 2026
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Software Developer - Java

Company IconHunter Bond
Location IconLondon

Role: Software Developer (Mid-Level) Location: London Salary: Competitive + Compensation Package The role On behalf of a highly regarded fintech organisation, we are partnering to find an exper...Read More>>.

Posted: September 17th, 2026
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Senior Application Developer – .NET & Azure Integration Services

Company IconMphasis
Location IconLondon

Location: London, UK Job Summary We are looking for a highly experienced, hands‑on Senior Application Developer – .NET & Azure Integration Services who can independently design, develop, test, troubleshoot, and...Read More>>.

Posted: September 19th, 2026
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Senior Java Developer

Company IconTXP
Location IconTelford

Senior Java Developer Location: Telford (2 days per week onsite / 2 days per month depending on project requirements) Rate: 550 per day Contract Length: 12 Months Clearance: BPSS Require...Read More>>.

Posted: September 20th, 2026
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Senior Java Developer

Company IconSearchability
Location IconGlasgow

Senior Java Developer- GlasgowMy Consultancy client is looking for several Java Developers to join themUp to £75k, benefits such as Bonus, 25 days Holiday, Paid for Certifications, Healthcare, Flexible hours and much mor...Read More>>.

Posted: September 20th, 2026
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Senior Web Application Developer

Company IconRoyal London Group
Location IconWilmslow

Senior Web Application Developer Royal London Group Alderley Edge, GBWe are seeking an expertly skilled and experienced Senior Web Application Developer to play a lead role in building amazing digital solutions for our customers and busi...Read More>>.

Posted: September 21st, 2026
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Java Developer- ICON Payment Framework (IPF)

Company IconeTeam
Location IconKnutsford

Duration: 31/12/2025 Rate: 492GBP/Day (Inside IR35) Role Description: We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology t...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer – Low-Latency Microservices (Hybrid)

Company IconCitigroup
Location IconNorthern Ireland

Citigroup in Belfast invites an experienced Java developer to join a global technology team to build scalable services for trading platform monitoring, reconciliation, and resilience in a hybrid model.The role requires strong Java, REST, me...Read More>>.

Posted: September 21st, 2026
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Senior Applications Developer

Company IconThird Nexus Group Limited
Location IconTyseley

Senior Application Developer - Legacy .NET Framework, Birmingham (Hybrid) FTC - Up to £85,000pa Position Overview We are looking for a Senior Developer to perform maintenance and enhancement of enterprise...Read More>>.

Posted: September 21st, 2026
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Senior Backend Software Engineer - Application Development

Company IconThe Rundown AI, Inc.
Location IconLondon

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs...Read More>>.

Posted: September 21st, 2026
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Voice Services Java Developer — SIP, Cloud & AI

Company IconRubicon Consulting
Location IconSeaford

Rubicon Consulting is seeking a Voice Services Developer to build, maintain, and optimize next‑generation communication platforms. You will bridge traditional telecommunication protocols with cloud‑based AI, focusing on SIP services developed...Read More>>.

Posted: September 21st, 2026
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Lead Application Developer

Company IconNOQ
Location Icon

NOQ Group builds event‑centric POS and payment systems for festivals, stadiums, and food markets. The platform connects multi‑vendor management, mobile and fixed POS, offline transactions, and unified reporting. NOQ helps event organisers a...Read More>>.

Posted: September 21st, 2026
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Java Developer – HealthTech Scale-Up

Company IconHalian | Managed Services, Recruitment Agency & Contract Staffing
Location IconBracknell

We’re partnering with one of the UK’s fastest-growing HealthTech scale-ups, transforming how hospitals deliver care through modern, cloud-based technology. In just a few years, the business has evolved from a disruptive start-...Read More>>.

Posted: September 21st, 2026
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Java Developer — Guidewire Training & Flexible Hybrid Work

Company IconHastings Direct
Location IconLeicester

Welcome to Hastings Direct – From our Group HR Director Pam AngelWe’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant...Read More>>.

Posted: September 21st, 2026
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Java (Kotlin) Developer (Agile, Test-Driven) AVP

Company IconCiti
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer | Build Scalable Microservices Hybrid

Company IconClarify Consultancy Ltd
Location IconLeyland

Clarify Consultancy Ltd is seeking a Senior Java Developer to join a Lancashire-based hybrid tech team. You will design, develop and maintain high-quality Java applications and services, focusing on scalable microservices and REST APIs within mode...Read More>>.

Posted: September 21st, 2026
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Java (Kotlin) Developer (Agile, Test-Driven) AVP

Company IconCitibank (Switzerland) AG
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: September 21st, 2026
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Java Developer: Cloud Microservices & Spring Boot

Company IconOpus Recruitment Solutions
Location IconNewcastle upon Tyne

Opus Recruitment Solutions in Newcastle is seeking an experienced Java Developer to join a high-performing engineering team on a 12-month fixed-term contract. You will work on modernising platforms using Spring Boot, microservices, and cloud-based...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer | Banking domain | Chester

Company IconInfosys Limited
Location IconChester

Senior Java Developer | Banking domain | Chester Required ExperienceJava, Spring Boot, Microservices, Hibernate, OOP LocationChester, UK CompensationCompetitive (including bonus) Please no...Read More>>.

Posted: September 21st, 2026
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Java (Kotlin) Developer (Agile, Test-Driven) AVP

Company IconCitigroup Inc.
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer (6 month contract)

Company IconEPAM Systems
Location IconNorthern Ireland

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate...Read More>>.

Posted: September 21st, 2026
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Sr Application Developer

Company IconWorky
Location IconStaffordshire Moorlands

Long Description Key Responsibilities 1. Application Development: Build GenAI applications from scratch using frameworks like Autogen (applied or acquired), Crew.ai, LangGraph, LlamaIndex, and LangChain....Read More>>.

Posted: September 21st, 2026
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Senior Java Developer - Up to £725 Per Day (outside IR35) - london

Company IconHunter Bond
Location IconLondon

We are looking for a Java Developer, with strong experience working in the finance sector, to join a leading trading firm based in London.This role will give you the opportunity to work on Greenfields development projects, focussing on b...Read More>>.

Posted: September 21st, 2026
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Full-stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Company IconCiti
Location IconLondon

Paid Parental LeaveEngineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ coun...Read More>>.

Posted: September 21st, 2026
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Power BI & AI Application Developer — Client-Facing Dashboards

Company IconHarnham - Data and Analytics Recruitment
Location IconLondon

Harnham - Data and Analytics Recruitment in London is seeking a Power BI & Application Developer with an AI focus to help transition reporting into AI-powered applications.You will work across Power BI, front-end development and AI, buildin...Read More>>.

Posted: September 21st, 2026
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AI-Driven Power BI & Application Developer

Company IconHarnham - Data and Analytics Recruitment
Location IconLondon

A London technology company is seeking a Power BI & Application Developer (AI) to join their Holborn team, with four days per week in the office. The role focuses on moving from traditional Power BI reporting to modern, application-based products...Read More>>.

Posted: September 21st, 2026
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Power BI & Application Developer - (Vis Ops & AI)

Company IconHarnham - Data and Analytics Recruitment
Location IconLondon

Power BI & Application Developer - AILocation: Holborn, London | 4 days per week in officeUp to £75k + benefitsA leading technology business is looking for a Power BI & Application Developer (AI) to join their London...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer - Hybrid (Glasgow) & Flexible Hours

Company IconSearchability
Location IconGlasgow

Searchability is assisting a Glasgow-based financial services consultancy by hiring a Senior Java Developer. You’ll work with Java 8+, Spring/Spring Boot, SQL and REST in a hybrid setup, with two days per week onsite in Glasgow.The role f...Read More>>.

Posted: September 21st, 2026
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Mobile Application Developer - AI Neobank App

Company IconDoit
Location IconLondon

We are focused on reinventing how people spend, save, invest, exchange, travel, and more. Our objective is to build tools that will help people get more from their money and become an expert at ease. We believe AI will help make finance smart,...Read More>>.

Posted: September 21st, 2026
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Java Developer – Integrated Financial Crime Platform

Company Icon3761 Barclays - BX - UK
Location IconGlasgow

Barclays Technology team in Glasgow seeks a Java Developer for the Integrated Financial Crime (IFC) program. You will design and deliver backend services, build RESTful APIs and microservices using Java Spring Boot, and work toward scalable, secur...Read More>>.

Posted: September 21st, 2026
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Java Developer – HYBRID / INSIDE IR35 – 11857CA

Company IconProactive.IT Appointments Limited
Location Icon

11857CA£450 – 500 per dayJava Developer – HYBRID / INSIDE IR35We are looking for an experienced Java Developer to join our customer who are based in Liverpool. The contract is for an initial 3 month but likely to...Read More>>.

Posted: September 22nd, 2026
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Member of Technical Staff - Application Development (iOS Developer)

Company IconNodi
Location IconLondon

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year,...Read More>>.

Posted: September 22nd, 2026
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Principal / Senior Java Developer – Elite FinTech - Up to £750 per day

Company IconHunter Bond
Location IconLondon

Rate: Up to £750 per dayLocation: LondonWorking Pattern: HybridContract: ContractThe OpportunityThey are looking for an exceptional Principal / Senior Java Developer...Read More>>.

Posted: September 22nd, 2026
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Member of Technical Staff - Application Development (iOS Developer)

Company IconModel ML
Location IconLondon

Company OverviewModel ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across glo...Read More>>.

Posted: September 22nd, 2026
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CMDB Application Developer & Reporting Specialist - SC Cleared

Company IconWhitehall Resources
Location IconWatford

CMDB Application Developer & Reporting Specialist - SC ClearedWhitehall Resources currently require an experienced CMDBApplication Developer & Reporting Specialist to work with a key client.Please note this role requires ac...Read More>>.

Posted: September 22nd, 2026
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Application Developer: Power Platform & Azure for Rail

Company IconEast West Railway Company
Location IconRedmoor

East West Railway Company is seeking an Application Developer to design, build and support modern Microsoft-driven solutions within the Data Centre of Excellence. You’ll work with Power Platform, Dataverse and Azure to deliver business-critical...Read More>>.

Posted: September 22nd, 2026
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Power Platform Applications Developer – Automations & Integrations

Company IconSaffery
Location IconLondon

Saffery LLP in London seeks an Application Developer (IT) to build, enhance and support custom Power Platform solutions, collaborating with senior developers and business stakeholders to deliver usable, maintainable apps. You will create apps with...Read More>>.

Posted: September 23rd, 2026
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