Support engineer Work, Jobs in Taplow, Bkm (with Salaries)

Frontend Staff Engineer
Koinly —London
- £80,000 - £120,000 a year
- Remote
- Typing
- AI
- Annual leave
Quick apply
Office Administrator
First Light Electrical Services —Bourne End
- £26,000 - £30,000 a year
- Full-time
- Microsoft Word
- Computer literacy
- Administrative experience
- Free parking
Quick apply
13d
It Support Engineer 1st Line/2nd Line
Azteq Group Limited —Beaconsfield
- £28,000 - £34,000 a year
- Full-time
- Travel
- Computer networking
- SharePoint
- Free parking
- Referral programme
Quick apply
7d
Project & Deployment Coordinator
KCP Network —Bracknell
- £35,000 - £40,000 a year
- Full-time
- Hotel
- In-person
- AI
- Free parking
- Health & wellbeing programme
Quick apply
15h
Tactical Engineer - Band N - Technology - Counter Terrorism Policing HQ
Metropolitan Police —West Brompton
- From £55,662 a year
- Full-time
- Travel
- In-person
- Communication skills
Data Centre Technician , Data Centre Operations
Amazon Data Services UK Limited —Slough
- 12 hour shift
- Computer Science
- Bachelor's degree
- Travel
Junior Support Engineer
Netbuilder —Farnborough
- Up to £30,000 a year
- Full-time
- Azure
- No experience needed
- Windows
Quick apply
2nd Line Technical Analyst (Out of Hours - Nights/Weekends)
Focus Group —Borehamwood
- £35,000 - £40,000 a year
- Weekend availability
- Azure
- SharePoint
- Employee assistance programme
Quick apply
Quality Inspector
Malloy Aeronautics —Maidenhead
- Quality control
- Annual leave
- Sick pay
5d
IT Engineer
Class Technology Solutions Ltd —Maidenhead
- £32,000 - £35,000 a year
- Full-time
- Maintenance
- Mentoring
- Computer skills
- Annual leave
- Employee assistance programme
Quick apply
Junior Algorithmic Shift Power Trader
Quark —London
- £45,000 - £50,000 a year
- Weekend availability
- Engineering
- Data analysis skills
- Analysis skills
Quick apply
Projects Administrator
Antac Support Services —Aldershot
- £26,500 a year
- Full-time
- CRM software
- Administrative experience
- Accounting
- Free parking
- Employee assistance programme
Quick apply
Trainee Water Treatment Engineer
SMS Environmental —Reading
- Up to £26,000 a year
- Full-time
- Remote
- Customer service
- Maintenance
- Communication skills
- Employee discount
- Sick pay
Quick apply
Operational Support - Heathrow Airport
Kone —Slough
- Overtime
- Salesforce
- Writing skills
- English
Graduate Software Developer with Electronics engineering
Netbuilder —Guildford
- £36,500 a year
- Full-time
- Engineering
- C++
- Maths
Quick apply
Junior AV Engineer
OMM —Maidenhead
- £20,332 - £25,858 a year
- Full-time
- Hybrid work
- Computer literacy
- Research
- Computer networking
- Employee discount
Quick apply
IT Senior Solutions Engineer (Multi Office Based)
Ultra Intelligence & Communications —Maidenhead
- Full-time
- Windows
- Bachelor's degree
- Conflict management
- Flexible schedule
IT Solutions Engineer (Networking)
Focus Group —Camberley
- £40,000 a year
- Full-time
- Hybrid work
- Travel
- Communication skills
Quick apply
Quality Assurance Lead
Dreams —High Wycombe
- Full-time
- Hybrid work
- Leadership
- Communication skills
- SDLC
- Free parking
- Employee discount
1d
Project Quality Assurance Engineer
Ultra Intelligence & Communications —Maidenhead
- Full-time
- Hybrid work
- Continuous improvement
- Quality control
- Business
- Flexible schedule

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Frontend Staff Engineer

Koinly -
London

Apply Now

Job details

Permanent
£80,000 - £120,000 a year

Benefits

Annual leave

Qualifications

Jira
Performance tuning
Node.js
PostgreSQL
Redis
Ruby
GitHub
Front-end development
Typing
Data visualisation
AI
Heroku
TypeScript
React Native
Design patterns

Full job description

Koinly is a successful product used by crypto investors around the world, helping them make sense of complex portfolios and tax obligations across chains, wallets, exchanges, and Defi protocols. The bar is simple to describe and hard to deliver: a user should be able to reconcile thousands of transactions and file their taxes in under 20 minutes.

We're looking for a Frontend Staff Engineer to take deep ownership of our data platform - the engine behind products at the intersection of crypto, finance, and tax. You'll work across a modern React web application and a high-performance distributed data-processing backend, with a new React Native mobile app joining your scope in the future.

This is a senior, hands-on role for someone who combines exceptional engineering craft with genuine product ownership. We expect you to lead by example: writing high-quality code, making sound architectural decisions, and raising the bar for the entire frontend team.

We’re a remote-first, async-first startup with deep product-market fit. If you value autonomy, technical excellence, and clear communication over meetings and process complexity, Koinly is the place for you.

Read on for responsibilities, requirements, and who we are.

Role at a glance

Mission: Own frontend features end-to-end ensuring a high-performance experience for complex crypto tax data.
Location: Remote - Strictly Europe (EU / UK timezones)
- Note, we won’t review job applications from outside Europe.
Employment: B2B Contract.
Compensation: USD $80k – $120k/y.
Perks: 32 days PTO (incl. public holidays).
Experience: 8+ years with a focus on complex, data-heavy web applications.

Work within one of the most rapidly growing industries in the world

What we're looking for

We're looking for someone who thrives on complex, business-critical financial web applications - systems with real architectural depth and high stakes. You’ll focus on optimizing, refactoring, and elevating our existing codebase while steadily delivering critical new features for a high-performance interface that handles massive datasets and complex DeFi reconciliations.

Above all, we value a high sense of product ownership, exceptional code quality, autonomy, and openness: you take responsibility for outcomes, not just tasks, and you work independently while staying transparent and collaborative.

We also expect:

Deep understanding of modern, complex web application architecture and the design patterns that support it at scale.
Work closely with product and design, serving as the primary frontend partner for Product. You’ll evaluate ideas from a technical perspective, propose creative solutions, and take real ownership of our frontend strategy.
Strong attention to detail and advanced frontend styling skills, including reliable cross-browser behavior and pixel-level precision.
Fluency with the latest AI development tools such as Claude/Codex/Cursor, and the judgment to use them effectively in a professional workflow.

Tech stack

You should have deep, production-level experience across our core stack:

Frontend

React 19 with the React Compiler, in strict, modern TypeScript
TanStack ecosystem - Router, Query, and Table
Radix UI and Mantine for components
Tailwind CSS v4 (with class-variance-authority and tailwind-merge)
Vite + Vitest (unit and browser/Playwright), Storybook with Chromatic for visual regression
Highcharts for data visualization and Sentry for error monitoring
Bun runtime with modern TS tooling (oxlint, Biome)
Data parsing and wrangling: csv-parse, xlsx (SheetJS), node-html-parser
Blockchain libraries
RabbitMQ, and Redis (ioredis)

Infrastructure & tooling

PostgreSQL, Heroku, GitHub, JIRA

Nice to have

Experience building mobile applications with React Native (we plan to expand into mobile).
Public portfolio of projects available on GitHub or similar platforms.
Background working on financial products.
Hands-on experience with blockchain and crypto technologies.
Familiarity with Ruby (our services interoperate with a Ruby codebase).
Understanding of DeFi protocols and how they work on-chain.
Knows and understands our product.

️ Don’t tick all of the boxes? Neither do we

We're driven by hiring not only by experience and relevance but also by ambition. We celebrate anything ‘outside of the box’, so if you don’t meet every single listed criterion, please do still apply—we’d love to hear from you.

That said, there are two hard gates for this role:

Expert-level TypeScript. You should reach for strong typing instinctively, not as an afterthought. We deal with complex financial data where "mostly correct" isn't good enough; your TS skills should reflect that.
Deep React experience. This is a Staff level role. You should have a deep understanding of React’s internals, performance optimization, and modern tooling. We need someone who can hit the ground running with a complex, established codebase.

Why join Koinly as a frontend engineer?

One of the fastest-growing Crypto Tax Calculators in the world with solid product-market fit.
Trusted and loved: See what our customers say on Trustpilot.
Direct impact: Our users rely on Koinly for their financial compliance. Every performance optimization and UX improvement you ship directly reduces the stress of hundreds of thousands of investors.
True ownership: We don't believe in "ticket-flipping." You'll own features from the initial requirement through to the final interaction. You have the autonomy to make architectural decisions that stick.
High-signal, low-noise: We're remote-first and async-first. We don't do unnecessary meetings or processes for the sake of process. You’ll have long blocks of deep work time to actually build.

Come and shape the future of crypto tax with us

We aren't just building a calculator; we're building a platform that empowers crypto investors to make the best decisions for their financial future. If you’re ready to own a piece of that journey and build a product people actually need, we want to hear from you.

Compliance and privacy

Due to our domain, background checks are required before joining. By applying, you consent to processing your data for recruitment purposes per our privacy policy.

Apply Now

Refine Your Search

support engineer jobs in taplow, bkm

Frontend Staff Engineer

Office Administrator

It Support Engineer 1st Line/2nd Line

Project & Deployment Coordinator

Tactical Engineer - Band N - Technology - Counter Terrorism Policing HQ

Data Centre Technician , Data Centre Operations

Junior Support Engineer

2nd Line Technical Analyst (Out of Hours - Nights/Weekends)

Quality Inspector

IT Engineer

Junior Algorithmic Shift Power Trader

Projects Administrator

Trainee Water Treatment Engineer

Operational Support - Heathrow Airport

Graduate Software Developer with Electronics engineering

Junior AV Engineer

IT Senior Solutions Engineer (Multi Office Based)

IT Solutions Engineer (Networking)

Quality Assurance Lead

Project Quality Assurance Engineer

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