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React Native Lead Developer
Hunter Bond
London
Hybrid
Senior
£95,000
RECENTLY POSTED

My leading Digital client are looking for a talented and motivated individual to provide technical leadership in designing, developing and maintaining their digital initiatives and application development as they venture into offering more services for consumers across multiple digital channels.

You’ll ensure the current implementation of their digital solutions are in line with industry best practices and standards. Whilst also driving improvements in the design, processes & implementation to improve operational management, scalability, and extensibility.

This is a newly created role for a growing business. An amazing opportunity!

The following skills/experience is essential:

  • Strong React Native development background
  • Demonstrable experience delivering applications in both iOS and Android
  • GraphQL and Restful APIs
  • Solid understanding of the full mobile development life cycle
  • Good communication skills

Salary: Up to £95,000 + bonus + package

Location: London (good work from home options available)

If you are interested in this React Native App Lead position and meet the above requirements please apply immediately.

Engineering Manager - 12 Month FTC
TPXImpact Holdings Plc
London
Remote or hybrid
Senior - Leader
£70,000/day

About The Role

This is a Fixed Term Opportunity for 12 months covering parental leave.

The Engineering Manager will lead and nurture a squad of 6-8 engineers. You’ll be accountable for guiding your team through the entire lifecycle of building and maintaining our systems and products.

As an experienced technical leader, you’ll ensure your squad possesses the necessary technical depth and skills to consistently deliver high-quality solutions. This involves hands-on engagement in key client projects, where you’ll lead by example and meticulously assess the technical quality of the team’s output.

A core aspect of this role is fostering a thriving team environment. You’ll cultivate a culture of open feedback, providing actionable insights to empower team members in their continuous learning, growth, and development. Your leadership will create a safe space where engineers feel supported, comfortable admitting mistakes, and confident in learning from every experience.

Responsibilities

Develop strong client relationships as the primary technical contact for new and existing clients

  • You are the primary technical contact for a subset of your teams clients, you develop their technical vision, and work with your team to develop solutions.
  • You provide senior oversight and direction to the technical approach on all projects within your squad, either directly or by working with the project lead developers. You champion our agile delivery model and provide support to teams to ensure that projects deliver on time and on budget without compromising quality.
  • You work in partnership with the sector teams to identify opportunities to work with new and existing clients to provide consultancy services, enhancing the agency’s positioning as a strategic partner.
  • You advise your clients on overall technical strategy based on experience, industry trends and best practice, with the ability to challenge client thinking where appropriate.
  • You work confidently with senior client stakeholders, acting as a trusted advisor and expert.
  • You work closely with the engineering team to produce technical solutions for clients.

You manage the technical and support relationships with clients in your team

  • You ensure your clients are supported with the appropriate team members.
  • You ensure there is redundancy in your support teams to allow for holiday or any out of hours exceptions are covered.
  • You ensure the smooth operation of any support boards helping to unblock technical team members and resolve issues.
  • You escalate high priority issues, with the wider team to ensure that they are resolved in a timely manner.

You lead the delivery of high quality software solutions on time and to budget

  • You ensure your project team members are fully engaged and participating in all aspects of the project and its administration during build phase
  • You ensure all ceremonies of your Agile project are undertaken at the right time with the right people always present, including: standups, backlog refinement, sprint planning, code reviews and retrospectives.
  • You ensure your team delivers the work they have committed to for the agreed deadline
  • You ensure your team is delivering work to meet or exceed the client expectations of quality
  • You ensure your team is delivering work that meets the tech studios expectations of quality and that adhere to our standards
  • You ensure your team is collaborating well at all times, problems are discussed early and raised to the delivery team and client as soon as possible

You develop and lead an effective squad of between 6 and 8 software engineers, managing a subset of the technical studio

  • You will build and maintain a strong, supportive squad of engineers.
  • You coach, mentor, train and inspire members of the technology team and help them develop their skills.
  • You successfully onboard new technical team members so they are effective in their roles.
  • You take accountability for the quality of delivery to all the clients and work with your squad and wider delivery team to ensure all clients have the development support they need.
  • You ensure that your squad is well utilised and meeting their billable targets.
  • You join weekly meetings with the engineering director to discuss squad capacity, utilisation and to escalate any people or project concerns
  • You take accountability for the effectiveness of any contractors assigned to your squad.
  • You provide professional development coaching to your reports and help them to develop and action a professional development plan.
  • You understand and promote our company policies. You ensure all your direct reports are completing their administrative responsibilities within the squad (e.g. IT assessment is up-to-date) and holiday requests are booked sufficiently in advance and fully considered before approval.
  • You ensure your reports are fulfilling their job role accountabilities to the best of their abilities and provide the appropriate feedback and encourage appropriate reflections to encourage and support any change necessary.
  • You accurately assess performance for the purposes of impact scoring.
  • You hold regular 1:1 meetings and keep good notes and actions.

You ensure successful technical project delivery by leading technical oversight, including risk mitigation, issue identification and resolution for all client work assigned to your Engineering squad

  • You ensure all projects are properly supervised and scrutinised to ensure effective technical delivery using agreed processes
  • You identify issues and root causes that are affecting technical delivery on projects in your team.
  • You intervene and facilitate or direct actions on projects to address technical issues, working closely with the technical and delivery leads. Escalating issues to the engineering director when required.
  • You ensure your team has adequate technical delivery risk awareness and mitigation is in place on all projects.
  • You proactively change any aspect of our technical approaches to ensure that we remain successful in the future as technologies and practices change.
  • You raise significant technical project concerns to the engineering and/or technical directors

About YouProfessional knowledge and experience

  • Proven track record of hands-on leadership with agile, cross-functional engineering teams, guiding them through the full development lifecycle.
  • Demonstrated experience in client-facing technical leadership, adept at managing technical delivery, effectively mentoring and developing engineers, and proactively mitigating project risks.
  • Commitment to continuous improvement, actively staying abreast of industry trends and best practices in front-end development and CMS technologies to continuously enhance technical approaches and elevate team capabilities.
  • Exceptional proficiency in software architecture and development, with a particular emphasis on CMS architectures and CMS platform integrations.

Technical skills

  • Youre an experienced Fullstack developer with exceptional proficiency in PHP-based CMSes, such as Drupal, and Frontend technologies, including React/Next.js, GraphQL and Storybook
  • You are comfortable working with both monolithic and decoupled architectures
  • You are familiar with the component based approach to build and deliver projects
  • You apply strong knowledge of software architecture and design patterns to inform technical decisions, ensuring the delivery of resilient and maintainable systems.
  • You lead and champion agile development practices, ensuring your team leverages tools like Jira and Confluence to optimize workflows and collaboration.
  • Fostering a culture of quality through robust code review processes and enforcing high coding standards across the team.
  • Providing strategic guidance in troubleshooting complex technical issues, effectively navigating challenges that span both front-end and back-end systems.
  • Ensuring the team’s proficiency in version control systems, especially Git, to maintain code integrity and collaborative development.

Behaviours

  • You have mastered your craft, know a wide range of methodologies and you are developing new tools and standards for your practice.
  • You have a good understanding of other practice areas and take a holistic view in your approach.
  • You lead your squad to positive, high quality outcomes, informing appropriate decisions to meet budget, deadlines and stakeholder requirements.
  • Your squad and the business recognise your highly impactful contributions.
  • You handle changes to scope, business priorities or urgency with expertise. You make suggestions or offer solutions/proposals for appropriate adaptations.
  • You are skilled to competently work on complex problems under pressure (i.e. resolving a complex production issue at speed, or leading the resolution of critical or major incidents)
  • You contribute to internal and/or external forums, such as communities of practice. You take part in initiatives to improve practices of your discipline or within the wider business.
  • Onboarding or mentoring of your squad to higher performance and people development or progression.
  • You adopt a commercial mindset that leads to new opportunities for business growth or operational improvements.
  • You contribute to the growth and development of other squad members, through championing, mentoring and providing constructive, candid feedback.
  • You give expert and strategic feedback on projects relevant to your discipline/domain which leads to better outcomes.
  • You consistently meet your personal targets, where relevant to your role
  • You support our inclusive environment and ESG commitments.
  • Embodies Manifestos values, championing purpose-driven work and fostering a positive team culture

About Usmanifesto

We are the digital experience agency for changemakers. We are committed to delivering purposeful and positive impact for people, planet and society, in restless pursuit of a better world.

We take pride in creating award-winning digital experiences, products and services that are measurably ethical, inclusive, accessible, sustainable and joyful.

Our changemaker clients include UNICEF UK, Breast Cancer Now, The Trussell Trust, Woodgreen, The Royal Academy of Arts, Zoological Society London, Historic Environment Scotland and Fauna & Flora.

Part of the TPXimpact group - a Certified B Corporation, we are a team of 130 digital product leaders, creative designers, user experience designers, engagement specialists, software engineers and experience strategists.

TPXimpact

TPXimpact is a digital transformation company, and Certified B Corporation, on a mission to build a future where people, places and the planet are supported to thrive. Combining vast expertise in human-centred design, data, experience and technology, we help the public, private and third sectors with their digital transformation journey, delivering high quality solutions that improve services, experiences and outcomes. Were passionate people who work in close collaboration with our clients to create sustainable solutions ready for an ever-evolving world.

We are committed to having a positive impact on the clients and the communities we serve. We actively encourage applications from all genders, ethnicities, disabled people, members of the LGBTQIA+ community, and those from lower socio-economic backgrounds.

Dont meet 100% of the criteria? We still want to hear from you. Please let us know if you require any adjustments during the recruitment process.

Spotlight
Senior Software Engineer
Opencast
Multiple locations
Hybrid
Senior - Leader
£59,001 - £72,000

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deliver in complex environments, pairing often and working with others who take pride in doing things properly: TDD, emerging design, refactoring and leaving code better than they found it. We build software we are proud of, and our clients trust us not just to code but to think, challenge and guide. If you value simple and robust solutions and want a role where your judgment matters as much as your keyboard, you will fit right in. The role Software developers at Opencast care about building products right and combine their own experience and approach with our company values. They are tech agnostic, have expertise in agile methodologies, extreme programming practices and use industry-leading programming languages to deliver agile transformation. Our approach to software development is collaborative, focused on keeping things simple, and we use test driven development and pair programming as best practice. Working with clients and key stakeholders is a crucial part of a consultancy role. Our developers are inclusive team players that listen, collaborate, can positively challenge and manage expectations when needed but most of all are always willing to teach and help others. Leaving a client with improved ways of working, working technology and a good experience from discovery through to live is the priority. The role is varied, technical, never confined to any one provider or solution and there are always opportunities for learning and development. Requirements Due to the nature of this role, applicants must either currently hold active Security Check (SC) Clearance or be eligible to obtain it. Eligibility typically requires UK citizenship and continuous residence in the UK for the past five years, with no single absence exceeding 28 consecutive days. Experience in delivering digital services for the UK government is highly valuable for many of our projects. Therefore, familiarity with the GDS toolkit will be beneficial. Technical Skills - Expertise in Java or Scala is required - Experience in other languages such as Kotlin, Ruby or Javascript is also valuable - Deep understanding of programming paradigm, code design, testing, accessibility, performance and security - Proven ability to apply different testing tools and methods in practice - Knowledge or experience of delivering complex services to Government Digital Service (GDS) standards - Being comfortable with new technology, t-shaped and comfortable with ongoing learning and development is key to success. - Experience with agile methodology A senior consultant in software development at Opencast is responsible for: - Driving the elaboration of their team’s backlog - Setting testing strategies to match industry standards - Being a technical expert in their team (or acting as the team lead) - Leading the technical representation in a project discovery - Mentoring and coaching others to help them achieve their full potential - Demonstrating leadership within Opencast communities of practice Salary £59,001 - £72,000 What we offer A competitive package including a 7% employer pension contribution, share options and a discretionary bonus. You’ll also benefit from flexible working hours (aligned to client commitments), 25 days’ holiday, and access to 3 annual “life happens” days to support unexpected situations. We also offer wellbeing support, ongoing professional development, volunteering opportunities and the chance to be part of a genuinely supportive team. Where you’ll work This role requires regular on-site attendance across our HQ, hub offices, client sites and home. Applicants must be able to commute to offices and client sites as part of their normal working arrangements, as travel is essential to fulfilling the responsibilities of the role. We include you We welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all. Interview Interviews will be conducted via Microsoft Teams. We’re happy to make adjustments to support your needs. Want to know more? Visit our website for more details.

Spotlight
Senior Software Engineer (contract)
Opencast
Multiple locations
Hybrid
Senior
£450/day - £600/day
+4

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deliver in complex environments, pairing often and working with others who take pride in doing things properly: TDD, emerging design, refactoring and leaving code better than they found it. We build software we are proud of, and our clients trust us not just to code but to think, challenge and guide. If you value simple and robust solutions and want a role where your judgment matters as much as your keyboard, you will fit right in. The role We’re looking for Contractors in Software Development (Senior level or Technical Lead) to help our major clients transform. Software developers at Opencast care about building products right and combine their own experience and approach with our company values. They are tech agnostic, have expertise in agile methodologies, extreme programming practices and use industry-leading programming languages to deliver agile transformation. Our approach to software development is collaborative, focused on keeping things simple, and we use test driven development and pair programming as best practice. Working with clients and key stakeholders is a crucial part of a consultancy role. Our developers are inclusive team players that listen, collaborate, can positively challenge and manage expectations when needed but most of all are always willing to teach and help others. Leaving a client with improved ways of working, working technology and a good experience from discovery through to live is the priority. Contractors at Opencast follow the same principles as permanent consultants. The roles are varied, technical, and never confined to any one provider or solution. Requirements Due to the nature of this role, applicants must either currently hold active Security Check (SC) Clearance or be eligible to obtain it. Eligibility typically requires UK citizenship and continuous residence in the UK for the past five years, with no single absence exceeding 28 consecutive days. As attendance at client sites is a routine part of the role’s working pattern and involves occasional travel, travel expenses are not covered. Experience in delivering digital services for the UK government is highly valuable for many of our projects. Therefore, familiarity with the GDS toolkit will be beneficial. Technical Skills - Expertise in Java and/or Scala is required - Experience in other languages such as Javascript, Typescript, Kotlin, Python or Ruby is also valuable - Experience in a technical leadership role - Deep understanding of programming paradigm, code design, testing, accessibility, performance and security - Proven ability to apply different testing tools and methods in practice - Knowledge or experience of delivering complex services to Government Digital Service (GDS) standards - Being comfortable with new technology, t-shaped and comfortable with ongoing learning and development is key to success - Experience with agile methodology A senior level contractor in software development at Opencast is responsible for: - Driving the elaboration of their team’s backlog - Setting testing strategies to match industry standards - Being a technical expert in their team (or acting as the team lead) - Leading the technical representation in a project discovery - Acting as a technical lead in the team, enabling them to achieve their full potential Salary £450 - £600 per day (working inside IR35) Where you’ll work This role requires regular on-site attendance across our HQ, hub offices, client sites and home. Applicants must be able to commute to offices and client sites as part of their normal working arrangements, as travel is essential to fulfilling the responsibilities of the role. We include you We welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all. Interview Interviews will be conducted via Microsoft Teams. We’re happy to make adjustments to support your needs. Want to know more? Visit our website for more details.

Spotlight
Senior Technical Architect
Opencast
Multiple locations
Hybrid
Senior - Leader
£70,001 - £80,000

Ready to grow your architectural expertise in a supportive team? Do you want to work alongside expert architects and grow your skills in a supportive, collaborative environment? Are you ready to take on projects to open new opportunities? If so, Opencast could be the place for you. We’re a growing tech consultancy that creates user-centred solutions with purpose for our clients in government, healthcare and purpose-driven businesses. As a Technical Architect you'll contribute to software development projects, ensuring that the applications are efficient, performant and user-friendly. You’ll broaden your experience while connecting with experts across the practice, gaining and sharing insights, and benefitting from opportunities to grow your career. The role You’ll use your experience of defining and implementing software architectures using patterns and best-practice approaches to define detailed designs that form part of large enterprise-scale applications to meet our clients’ business outcomes. You’ll collaborate with colleagues and take your solutions through architecture governance and generally contribute to the evolution of the assurance processes. You’ll use your expertise to confidently lead and guide delivery teams to bring your design to life. Requirements As attendance at these sites is a routine part of the role’s working pattern and involves frequent local travel, travel expenses are not covered. Due to the nature of this role, applicants must either currently hold active Security Check (SC) Clearance or be eligible to obtain it. Eligibility typically requires UK citizenship and continuous residence in the UK for the past five years, with no single absence exceeding 28 consecutive days. As a result, we are unable to progress applications from candidates who do not meet these requirements. Essential experience You don’t need to have had the job title of technical architect before – but we will want you to demonstrate experience of technical architecture. In your CV and at interview, we’ll ask you to show how you: • develop and implement technical designs for modern enterprise-scale applications, utilising or defining effective patterns and technologies • show ownership of designs and their evolution and transition into service • have an excellent working knowledge of software development, programming languages, modelling languages and methodologies and know how to apply them • identify and adhere to architecture quality attributes and/or non-functional requirements • evaluate and introduce innovative new patterns, approaches and technologies into project teams • can break down architectures into implemented components, utilising effective patterns and technologies that deliver business outcomes and address stakeholder needs As well as technical architecture skills, there are essential core skills you’ll need to be a great consultant. If selected for interview, we’ll ask you to show that you: • build strong relationships with both business and technical stakeholders to provide technical direction and build consensus for your technical designs • take a methodical and considered approach to solving problems • take a collaborative and consultative approach to leading and guiding teams • coach and mentor fellow team members • keep up to date with new and emerging technology trends and their practical application At the interview, we’ll ask you to describe how you approach architecture, deliver business outcomes and engage stakeholders. If you’re successful in your first interview, we’ll ask you back to develop and present a proposal from a case study and problem statement. Desirable experience Some areas of experience are not essential but relevant to the role: • Experience with architecture frameworks (e.g. TOGAF, Zachman, Open Agile Architecture) • Experience of delivering digital services and the GDS toolkit for the UK Government would be useful for many of our projects. It will be valuable (and essential for some contractor roles) if you are familiar with these activities and concepts: o the Service Manual o Agile delivery phases and o Service Assessments • A solid understanding of the benefit of user-centred design and understanding accessibility standards • Good understanding of DevOps and in-life service management If you have this experience, please show it on your CV and we can talk about it in the interview. If you don’t have this experience please do still apply, as we can coach you in these areas if you join us. Salary Senior consultant salary range: £70,001-£80,000 per annum What we offer A competitive package including a 7% employer pension contribution, share options and a discretionary bonus. You’ll also benefit from flexible working hours (aligned to client commitments), 25 days’ holiday, and access to 3 annual “life happens” days to support unexpected situations. We also offer wellbeing support, ongoing professional development, volunteering opportunities and the chance to be part of a genuinely supportive team. Where you’ll work This role requires regular on-site attendance across our HQ, hub offices, client sites and home. Applicants must be able to commute to offices and client sites as part of their normal working arrangements, as travel is essential to fulfilling the responsibilities of the role. We include you We welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all. Interview Interviews will be conducted via Microsoft Teams. We’re happy to make adjustments to support your needs. Want to know more? Visit our website or email careers@opencastsoftware.com

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Frequently asked questions
Haystack offers a variety of Tech Lead positions in London across multiple industries including fintech, health tech, e-commerce, and startups. Roles range from software development leads to engineering managers specializing in different tech stacks.
While some employers prefer candidates with local experience, many Tech Lead job listings on Haystack are open to remote candidates or those willing to relocate to London. Be sure to check the specific job requirements for each listing.
Common sought-after skills include strong leadership and communication abilities, expertise in programming languages like JavaScript, Python, or Java, experience with cloud platforms (AWS, Azure), and a solid understanding of software development methodologies such as Agile or Scrum.
Tailor your CV to highlight leadership experience and technical expertise relevant to the job description. Include measurable achievements, demonstrate your ability to manage teams, and showcase familiarity with the specific technologies or frameworks listed.
Yes, many London-based companies offer remote or hybrid work arrangements for Tech Lead positions. Haystack allows you to filter job listings based on work location preferences to find roles that match your desired working style.