Permanent Senior Developer Job Vacancies

226 to 250 of 955 Permanent Senior Developer Jobs

Lead Senior Specialist Back-end .NET Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Cooper Lomaz Recruitment
Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical More ❯
Employment Type: Full-Time
Salary: £110,000 - £120,000 per annum
Posted:

Senior D365CE Developer // West Midlands

Stratford-upon-Avon, Warwickshire, United Kingdom
Hybrid / WFH Options
Akkodis
I am currently recruiting on behalf of an end user who's looking for a Senior D365CE Developer to join their team on a permanent basis. It's a hybrid role, with a mix of office and home working. Please see below for more information: Some of the responsibilities: Be part of a development team involved in the More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum Bonus
Posted:

Software Developer, Senior with Security Clearance

Huntsville, Alabama, United States
Booz Allen Hamilton
Job Number: R Software Developer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to help create a system that will make a difference, we need you … on our team. We're looking for a developer like you with the skills needed to develop sof tware and systems from vision to production ready. This role is more than just coding. As a full stack developer at Booz Allen, you'll use your passion to learn new tools and techniques and identify needed system improvements. You More ❯
Employment Type: Permanent
Salary: USD 198,000 Annual
Posted:

Senior UI Software Developer - SATCOM with Security Clearance

Herndon, Virginia, United States
Peraton
team is responsible for creating modern, resilient services and capabilities that will support the U.S. Government's critical space communications infrastructure for the next decade and beyond. As a Senior UI Software Developer, you will play a pivotal role in building a cutting-edge ground communications and data-transport platform for U.S. government satellites. You will design and … develop core platform services that enable secure, scalable, and efficient satellite operations. In this role, you will contribute as an individual developer while supporting technical decisions to ensure platform excellence. What you'll do: Build high-performance, secure, and well-tested web applications with a strong emphasis on automation and security Design, enhance, and refine APIs to improve communication More ❯
Employment Type: Permanent
Salary: USD 179,000 Annual
Posted:

Senior Oracle Developer - Oracle to Migration Project

London, United Kingdom
Hybrid / WFH Options
Career Moves Group
Senior Oracle Developer - Oracle to Migration Project Location: Nottingham/London - Hybrid Length: ASAP - Jan 2026 (6 months) Rate: £586 Hours: 9-6pm About the Project We are modernising a long-standing enterprise system built on PHP and Oracle, transitioning to a modern .NET architecture. A key focus of this transformation is the migration of a large More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full-Stack Developer (React / Node.js) (m/f/x)

Mannheim, Baden-Württemberg, Germany
Hybrid / WFH Options
osapiens Holding GmbH
As a Senior Full-Stack Developer, you'll play a key role in shaping the future of Business Partner Transparency (BPT) within our osapiens HUB. This enterprise-grade platform helps companies comply with critical ESG regulations like: The German Supply Chain Due Diligence Act (LkSG) - ensuring suppliers uphold human rights and environmental standards. The Whistleblower Directive - providing secure More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Software Developer

Edinburgh, United Kingdom
FPSG Connect
Senior Software Engineer/Full Stack/.NET/C#/Angular Exciting opportunity to share your knowledge and experience with more junior team members. You will have a pivotal role in the direction of key projects as well the opportunity to influence the technology direction of the company. Role Responsibilities With the growth plans there will be an More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Java Developer Engineering

St. Albans, Hertfordshire, United Kingdom
Hybrid / WFH Options
Lindar
Over the years, we have experienced explosive growth - which means we need more rock stars to join our quest for total world domination. We are looking for an awesome Senior Java Backend Developer to join our growing team. The role isa hybrid based one in the UK (St Albans), Malta, or Gibraltar, fullyremote from EU is an option More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Fullstack Developer

London, United Kingdom
Hybrid / WFH Options
Footium
offer a hybrid working policy, this role would require onsite visits to our London office around once or twice per month. About the Role We're looking for a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including planning the technical More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Application Developer with Security Clearance

Chantilly, Virginia, United States
QinetiQ US
family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives. Position Overview We are seeking an Senior Application Developer who will focus on the development and enhancement support for existing applications as well as new development. Responsibilities Designing, programming/developing, and modifying software systems More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Developer - Artificial Intelligence

England, United Kingdom
Endpoint Clinical, inc
operational costs, and ensure timely and accurate patient dosing. Endpoint is headquartered in Raleigh-Durham, North Carolina with offices across the United States, Europe, and Asia. Position Overview: The Senior Software Developer - AI will be instrumental in leveraging AI technologies to enhance business processes across the organization. This role involves understanding existing business workflows, identifying opportunities for AI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python Developer with Security Clearance

Reston, Virginia, United States
Hybrid / WFH Options
CGI
matters By playing this video you consent to Google/YouTube processing your data and using cookies Learn more . Position Description: CGI has an immediate need for a Senior Python Developer to join our team. This is an exciting opportunity to work in a fast-paced team environment supporting one of the largest leaders in the secondary … in 40 countries and over 5k+ loyal Clients who are leveraging our end-to-end services across the globe. Your future duties and responsibilities: We are looking for Python developer with AWS Development expertise to join our team. Experience in full life cycle application/system development. Experience developing in distributed application environments (Database, Transaction Management). Experience writing More ❯
Employment Type: Permanent
Salary: USD 165,300 Annual
Posted:

Senior Java Developer

Northern Ireland, United Kingdom
Test Triangle Ltd
the Republic of Ireland. Mandatory Requirements (Pass/Fail): ü Experience Level: The candidate must have more than 7 years of relevant Java/JEE Development experience at a senior level. ü Availability: The candidate must be available to commence work from 3rd November 2025. ü English Language Proficiency: The candidate must be fluent in both spoken and written More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Developer

Nottingham, Nottinghamshire, United Kingdom
ONYX Insight
The Role: We're looking for an experienced backend Software Developer with strong programming, analytical & problem-solving skills, as well as an understanding of the methodologies that drive scalable, secure software development. Key Responsibilities: Participating in all phases of software development - including design, implementation, testing, code review and documentation Actively seek ways to improve business software processes and interactions. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior C Developer

United Kingdom
RWS
Job Purpose Are you a talented C developer with a passion for writing highly scalable and performant code? We're seeking a motivated developer to help shape the future of our industry leading RWS XPP Publishing software. As a key member of our globally distributed agile team, you'll contribute to the design and development of the XPP More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer Senior with Security Clearance

Chantilly, Virginia, United States
Arcfield
proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Visit for more details. Responsibilities Arcfield is looking for a Software Developer to develop, maintain, and enhance software and/or web services according to the Agile framework and user-centered design methodologies. Duties include but are not limited to the … and/or projects within the Intelligence Community. An active certification related to software engineering or development, e.g., IEEE's Certified Software Development Professional (CSDP), Microsoft's Certified Solutions Developer (MCSD), or Oracle's Application Developer. Experience with systems in AWS cloud platforms and hosting requirements. Knowledge and or experience with the following technologies: Administration/Integration Tools: Jxplorer More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Frontend Developer - Typescript / Svelte - (f/m/x)

Berlin, Germany
Hybrid / WFH Options
doinstruct Software GmbH
Creatively: Work hand-in-hand with our talented UI/UX team to transform innovative designs into intuitive, responsive applications that users love. Requirements You have as a frontend developer and very good knowledge of development with Svelte, Vue.js, React or another comparable framework. Bonus: Experience with the AWS Cloud, REST, Node.js, Websockets and your own UI components (HTML More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Java Developer (Trading Platform)

London, United Kingdom
P2P
a plus but not required. Comfortable working in a global team with colleagues across APAC, EMEA, and North America. Strong communication skills; able to interface across all levels from senior leadership to engineers and stakeholders. Able to collaborate effectively with people from different cultural and technical backgrounds, aligning tech decisions with business goals. Life @ Empowered to think big. Try More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer - Belfast

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior .Net Developer

Manchester, Lancashire, United Kingdom
Betfred Group
Our mission is to dominate the betting and gaming industry on a global scale and we need the very best Tech talent to help us achieve this. We recently migrated all of our customers onto our very own proprietary platform More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Sr. Software Developer with Security Clearance

Aberdeen Proving Ground, Maryland, United States
Bristol Bay Government Services Group, LLC
Eagle Integrated Services, LLC (EIS) is seeking Software Development support for client at Aberdeen Proving Ground (APG), Maryland. ACTIVE SECRET CLEARANCE REQUIRED We are seeking a Software Developer to support in the disciplines as listed, but not limited to, below: Develops and maintains working software that satisfies the customers needs. Analyzes job tasks, organizational structure and user requirements to More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software/Web Developer (Cleared) (Sr)- G-SWD with Security Clearance

Springfield, Virginia, United States
Kentro
is dedicated to your personal and professional development. Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones. Kentro is hiring for a cleared Software/Web Developer to support the National Geospatial-Intelligence Agency. Responsibilities: Support business processes that are located on class and unclass networks. Use COTS (ColdFusion), open source, freeware (Python, JavaScript, AngularJS, JavaScript More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior PHP Developer

Chester, Cheshire, North West, United Kingdom
Hybrid / WFH Options
Hyperloop Recruitment
Senior PHP Developer £65,000 + benefits Chester (hybrid) Hyperloop Recruitment are working with a cutting-edge software scale-up based in Chester who are looking for a Senior PHP Developer to join their growing team, on a hybrid working basis. The successful candidate will be an experienced and talented backend developer, capable of using … up during a period of major growth, working with a small yet highly proficient team of backend developers. Tech stack: Minimum 5 years' commercial experience as a backend web developer PHP frameworks (Laravel and/or Symfony) MVC MySQL HTML5/CSS3 JavaScript Test driven development experience AWS (EC2, Lambdas, S3) Version Control (Git) Any React/Node.js/ More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Senior JavaScript Developer / Technical Lead

Reigate, Surrey, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior JavaScript Developer/Technical Lead (JavaScript Angular SaaS) Reigate/WFH to £120k Are you a senior Front End Engineer with strong JavaScript skills combined with technical leadership experience? You could be progressing your career in a hands-on leadership role at a global FinTech with flexible working and a range of perks and benefits including … continual professional development. As a Senior JavaScript Developer/Technical Lead you'll be the most senior Front End Developer in the UK working on a new AI driven product suite in collaboration with the team in Canada. You'll design and develop engaging front ends/UIs for SaaS solutions working with modern Angular within … have experience of working with C# backends and a good understanding of Azure You have advanced stakeholder communication and collaboration skills What's in it for you: As a Senior JavaScript Developer/Technical Lead you will earn a competitive package: Salary to £120k Bonus (c20%) 25 days holiday (and ability to buy more) Pension, Health Care, Life More ❯
Employment Type: Full-Time
Salary: £95,000 - £120,000 per annum
Posted:

Senior C# Developer Desktop Trading Systems

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior C# Developer you … desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource on these systems for the UK. Location/WFH: You'll … and cloud computing You have excellent communication and stakeholder management skills You're degree educated in Computer Science or similar discipline What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package: Salary to £140k + bonus Pension and Private Healthcare Hybrid working (x3 days in London office) Impactful More ❯
Employment Type: Full-Time
Salary: £100,000 - £140,000 per annum
Posted:
Senior Developer
10th Percentile
£52,500
25th Percentile
£56,250
Median
£65,000
75th Percentile
£80,000
90th Percentile
£90,000