senior level developer jobs in London

At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Developer, you’ll play a pivotal role in designing and developing scalable, resilient back-end systems using the latest Java and microservices technologies. You’ll collaborate with...

The Mid-Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency based in London with a team of 20 employees. Estimated Benefits Health Insurance Retirement Savings Plan Paid Time Off Benefits estimated based...

We are exclusively working with an exciting Branding company who are shaping the Entertainment/Media industry with their innovative and analytics technology platform. As a business they thrive of the start to finish attitude, someone who isn't afraid to get their hands dirty and solve complex problems, high energy and comfortable working outside of rigid...

Job Reference: nnltd1436 Date Posted: 14 July 2021 Recruiter: Nanotek Ltd Location: London Salary: 60,000 to 80,000 Sector: I.T., Telecoms Job Type: Permanent Work Hours: Full Time Contact: Jim Walsh Email: Apply for this job now Job Description Candidate Experience At least 2 years of experience programming with Go as a primary language....

Senior Developer - AI Enablement Platform Remote Up to £525 per day inside ir35 Active SC clearance We are seeking an experienced Senior Developer to join a major government AI programme, supporting the development of an enterprise AI enablement platform. The role will initially focus on building an Enterprise AI Gateway, integrating AI models,...

mote Temporary Experienced Senior Developer About the role Olive Jar Digital is looking for an experienced Senior Developer specialising in Python and Django to support the delivery of digital transformation projects across the public sector. (Active SC Clearance needed) You’ll work within multidisciplinary Agile teams, developing and maintaining...

The CompanyEvery single day in the UK, there are65,000attempted cyber-attacks on small businesses- 4,500of which succeed. That's where this Leeds-based cyber security scale-up comes in. Since launching in 2014, this company has created a cutting-edge platform that helps SMEs defend themselves against the kind of threats that can shut a business down in...

Sales Development Representative (SDR) – Tech Sector Location: Bolton, Greater Manchester, Lancashire Salary: Circa £25,000 basic + OTE £30,000–£35,000 (Year 1) Sector: Tech | Warm B2B Sales | Career progression into Sales Account Management with £60k+ OTEAre you a confident communicator ready to kickstart your sales career? Join a fast-growing Tech...

We are exclusively working with an exciting Branding company who are shaping the Entertainment/Media industry with their innovative and analytics technology platform. As a business they thrive of the start to finish attitude, someone who isn't afraid to get their hands dirty and solve complex problems, high energy and comfortable working outside of rigid...

Senior Development Manager / Development Director Deverellsmith has partnered with a London based SME Developer who are looking to hire an experienced and commercially minded Senior Development Manager / Development Director. This is a hands-on development role suited to an individual with strong commercial and technical expertise. The ideal candidate...

The role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely with product, QA and DevOps colleagues to turn business requirements into reliable software. This role suits an experienced engineer who...

Senior Python Developer £675 daily inside IR35 6 months Hybrid working (2 days per week onsite in either London, Bristol or Manchester) *Current SC Clearance is required for this role so ideally live SC or eligible to undergo the vetting process* Experience required: Programming and build: Strong Python coding ability and experience collaborating with...

Contract Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from legacy...

Senior Ruby on Rails Engineer (Active SC)£650-£675/day Inside IR35 | 6 Months | Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This role goes beyond development, requiring someone who can lead technical discovery, solve complex business challenges and help shape scalable solutions...

Enjoy building secure APIs, connecting platforms and solving complex integration challenges?We’re looking for a hands-on Senior Developer to work alongside AI engineers and security specialists on a central government assignment.The detailsLocation: UK-wide remote, with occasional travel to Manchester/LondonClearance: Active SC required and validated...

Cerillion is a leading provider of billing, charging and customer management systems with more than 25 years’ experience delivering its solutions to the telecoms sector.We are looking for a Senior Developer to join our Software Engineering team in London. Thisrole is ideal for a hands-on technologist who enjoys tackling complex business challenges...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the...

Cerillion is a leading provider of billing, charging and customer management systems with more than 25 years’ experience delivering its solutions to the telecoms sector.We are looking for a Senior Developer to join our Software Engineering team in London. Thisrole is ideal for a hands-on technologist who enjoys tackling complex business challenges...

About the role Reporting to the Team Lead, who in turn reports into the Managing Director, this integral role will play a key part in building and maintaining the company’s online presence. The successful incumbent will be offered an autonomous platform to provide constructive support to the business and aid the ongoing development of the firm’s...

At OFG Education we allow for greater work life balance and extra time to do the things you love outside work Job Title: Higher Level Teaching Assistant (Behaviour and Personal Development) Location: Trimdon Hill School, Durham, TS29 6EY Hours: 37.5 hours per week | Monday to Friday Salary: £26,000.00 per annum (not pro rata) Contract: Permanent | Term Time...